/*--------------------------------------------------------------------*/
/*--- begin guest_mips_toIR.c ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2010-2013 RT-RK
mips-valgrind@rt-rk.com
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
/* Translates MIPS code to IR. */
#include "libvex_basictypes.h"
#include "libvex_ir.h"
#include "libvex.h"
#include "libvex_guest_mips32.h"
#include "libvex_guest_mips64.h"
#include "main_util.h"
#include "main_globals.h"
#include "guest_generic_bb_to_IR.h"
#include "guest_mips_defs.h"
/*------------------------------------------------------------*/
/*--- Globals ---*/
/*------------------------------------------------------------*/
/* These are set at the start of the translation of a instruction, so
that we don't have to pass them around endlessly. CONST means does
not change during translation of the instruction. */
/* CONST: what is the host's endianness? This has to do with float vs
double register accesses on VFP, but it's complex and not properly
thought out. */
static VexEndness host_endness;
/* Pointer to the guest code area. */
static const UChar *guest_code;
/* CONST: The guest address for the instruction currently being
translated. */
#if defined(VGP_mips32_linux)
static Addr32 guest_PC_curr_instr;
#else
static Addr64 guest_PC_curr_instr;
#endif
/* MOD: The IRSB* into which we're generating code. */
static IRSB *irsb;
/* Is our guest binary 32 or 64bit? Set at each call to
disInstr_MIPS below. */
static Bool mode64 = False;
/* CPU has FPU and 32 dbl. prec. FP registers. */
static Bool fp_mode64 = False;
/* Define 1.0 in single and double precision. */
#define ONE_SINGLE 0x3F800000
#define ONE_DOUBLE 0x3FF0000000000000ULL
/*------------------------------------------------------------*/
/*--- Debugging output ---*/
/*------------------------------------------------------------*/
#define DIP(format, args...) \
if (vex_traceflags & VEX_TRACE_FE) \
vex_printf(format, ## args)
/*------------------------------------------------------------*/
/*--- Helper bits and pieces for deconstructing the ---*/
/*--- mips insn stream. ---*/
/*------------------------------------------------------------*/
/* ---------------- Integer registers ---------------- */
static UInt integerGuestRegOffset(UInt iregNo)
{
/* Do we care about endianness here? We do if sub-parts of integer
registers are accessed, but I don't think that ever happens on
MIPS. */
UInt ret;
if (!mode64)
switch (iregNo) {
case 0:
ret = offsetof(VexGuestMIPS32State, guest_r0); break;
case 1:
ret = offsetof(VexGuestMIPS32State, guest_r1); break;
case 2:
ret = offsetof(VexGuestMIPS32State, guest_r2); break;
case 3:
ret = offsetof(VexGuestMIPS32State, guest_r3); break;
case 4:
ret = offsetof(VexGuestMIPS32State, guest_r4); break;
case 5:
ret = offsetof(VexGuestMIPS32State, guest_r5); break;
case 6:
ret = offsetof(VexGuestMIPS32State, guest_r6); break;
case 7:
ret = offsetof(VexGuestMIPS32State, guest_r7); break;
case 8:
ret = offsetof(VexGuestMIPS32State, guest_r8); break;
case 9:
ret = offsetof(VexGuestMIPS32State, guest_r9); break;
case 10:
ret = offsetof(VexGuestMIPS32State, guest_r10); break;
case 11:
ret = offsetof(VexGuestMIPS32State, guest_r11); break;
case 12:
ret = offsetof(VexGuestMIPS32State, guest_r12); break;
case 13:
ret = offsetof(VexGuestMIPS32State, guest_r13); break;
case 14:
ret = offsetof(VexGuestMIPS32State, guest_r14); break;
case 15:
ret = offsetof(VexGuestMIPS32State, guest_r15); break;
case 16:
ret = offsetof(VexGuestMIPS32State, guest_r16); break;
case 17:
ret = offsetof(VexGuestMIPS32State, guest_r17); break;
case 18:
ret = offsetof(VexGuestMIPS32State, guest_r18); break;
case 19:
ret = offsetof(VexGuestMIPS32State, guest_r19); break;
case 20:
ret = offsetof(VexGuestMIPS32State, guest_r20); break;
case 21:
ret = offsetof(VexGuestMIPS32State, guest_r21); break;
case 22:
ret = offsetof(VexGuestMIPS32State, guest_r22); break;
case 23:
ret = offsetof(VexGuestMIPS32State, guest_r23); break;
case 24:
ret = offsetof(VexGuestMIPS32State, guest_r24); break;
case 25:
ret = offsetof(VexGuestMIPS32State, guest_r25); break;
case 26:
ret = offsetof(VexGuestMIPS32State, guest_r26); break;
case 27:
ret = offsetof(VexGuestMIPS32State, guest_r27); break;
case 28:
ret = offsetof(VexGuestMIPS32State, guest_r28); break;
case 29:
ret = offsetof(VexGuestMIPS32State, guest_r29); break;
case 30:
ret = offsetof(VexGuestMIPS32State, guest_r30); break;
case 31:
ret = offsetof(VexGuestMIPS32State, guest_r31); break;
default:
vassert(0);
break;
}
else
switch (iregNo) {
case 0:
ret = offsetof(VexGuestMIPS64State, guest_r0); break;
case 1:
ret = offsetof(VexGuestMIPS64State, guest_r1); break;
case 2:
ret = offsetof(VexGuestMIPS64State, guest_r2); break;
case 3:
ret = offsetof(VexGuestMIPS64State, guest_r3); break;
case 4:
ret = offsetof(VexGuestMIPS64State, guest_r4); break;
case 5:
ret = offsetof(VexGuestMIPS64State, guest_r5); break;
case 6:
ret = offsetof(VexGuestMIPS64State, guest_r6); break;
case 7:
ret = offsetof(VexGuestMIPS64State, guest_r7); break;
case 8:
ret = offsetof(VexGuestMIPS64State, guest_r8); break;
case 9:
ret = offsetof(VexGuestMIPS64State, guest_r9); break;
case 10:
ret = offsetof(VexGuestMIPS64State, guest_r10); break;
case 11:
ret = offsetof(VexGuestMIPS64State, guest_r11); break;
case 12:
ret = offsetof(VexGuestMIPS64State, guest_r12); break;
case 13:
ret = offsetof(VexGuestMIPS64State, guest_r13); break;
case 14:
ret = offsetof(VexGuestMIPS64State, guest_r14); break;
case 15:
ret = offsetof(VexGuestMIPS64State, guest_r15); break;
case 16:
ret = offsetof(VexGuestMIPS64State, guest_r16); break;
case 17:
ret = offsetof(VexGuestMIPS64State, guest_r17); break;
case 18:
ret = offsetof(VexGuestMIPS64State, guest_r18); break;
case 19:
ret = offsetof(VexGuestMIPS64State, guest_r19); break;
case 20:
ret = offsetof(VexGuestMIPS64State, guest_r20); break;
case 21:
ret = offsetof(VexGuestMIPS64State, guest_r21); break;
case 22:
ret = offsetof(VexGuestMIPS64State, guest_r22); break;
case 23:
ret = offsetof(VexGuestMIPS64State, guest_r23); break;
case 24:
ret = offsetof(VexGuestMIPS64State, guest_r24); break;
case 25:
ret = offsetof(VexGuestMIPS64State, guest_r25); break;
case 26:
ret = offsetof(VexGuestMIPS64State, guest_r26); break;
case 27:
ret = offsetof(VexGuestMIPS64State, guest_r27); break;
case 28:
ret = offsetof(VexGuestMIPS64State, guest_r28); break;
case 29:
ret = offsetof(VexGuestMIPS64State, guest_r29); break;
case 30:
ret = offsetof(VexGuestMIPS64State, guest_r30); break;
case 31:
ret = offsetof(VexGuestMIPS64State, guest_r31); break;
default:
vassert(0);
break;
}
return ret;
}
#if defined(VGP_mips32_linux)
#define OFFB_PC offsetof(VexGuestMIPS32State, guest_PC)
#else
#define OFFB_PC offsetof(VexGuestMIPS64State, guest_PC)
#endif
/* ---------------- Floating point registers ---------------- */
static UInt floatGuestRegOffset(UInt fregNo)
{
vassert(fregNo < 32);
UInt ret;
if (!mode64)
switch (fregNo) {
case 0:
ret = offsetof(VexGuestMIPS32State, guest_f0); break;
case 1:
ret = offsetof(VexGuestMIPS32State, guest_f1); break;
case 2:
ret = offsetof(VexGuestMIPS32State, guest_f2); break;
case 3:
ret = offsetof(VexGuestMIPS32State, guest_f3); break;
case 4:
ret = offsetof(VexGuestMIPS32State, guest_f4); break;
case 5:
ret = offsetof(VexGuestMIPS32State, guest_f5); break;
case 6:
ret = offsetof(VexGuestMIPS32State, guest_f6); break;
case 7:
ret = offsetof(VexGuestMIPS32State, guest_f7); break;
case 8:
ret = offsetof(VexGuestMIPS32State, guest_f8); break;
case 9:
ret = offsetof(VexGuestMIPS32State, guest_f9); break;
case 10:
ret = offsetof(VexGuestMIPS32State, guest_f10); break;
case 11:
ret = offsetof(VexGuestMIPS32State, guest_f11); break;
case 12:
ret = offsetof(VexGuestMIPS32State, guest_f12); break;
case 13:
ret = offsetof(VexGuestMIPS32State, guest_f13); break;
case 14:
ret = offsetof(VexGuestMIPS32State, guest_f14); break;
case 15:
ret = offsetof(VexGuestMIPS32State, guest_f15); break;
case 16:
ret = offsetof(VexGuestMIPS32State, guest_f16); break;
case 17:
ret = offsetof(VexGuestMIPS32State, guest_f17); break;
case 18:
ret = offsetof(VexGuestMIPS32State, guest_f18); break;
case 19:
ret = offsetof(VexGuestMIPS32State, guest_f19); break;
case 20:
ret = offsetof(VexGuestMIPS32State, guest_f20); break;
case 21:
ret = offsetof(VexGuestMIPS32State, guest_f21); break;
case 22:
ret = offsetof(VexGuestMIPS32State, guest_f22); break;
case 23:
ret = offsetof(VexGuestMIPS32State, guest_f23); break;
case 24:
ret = offsetof(VexGuestMIPS32State, guest_f24); break;
case 25:
ret = offsetof(VexGuestMIPS32State, guest_f25); break;
case 26:
ret = offsetof(VexGuestMIPS32State, guest_f26); break;
case 27:
ret = offsetof(VexGuestMIPS32State, guest_f27); break;
case 28:
ret = offsetof(VexGuestMIPS32State, guest_f28); break;
case 29:
ret = offsetof(VexGuestMIPS32State, guest_f29); break;
case 30:
ret = offsetof(VexGuestMIPS32State, guest_f30); break;
case 31:
ret = offsetof(VexGuestMIPS32State, guest_f31); break;
default:
vassert(0);
break;
}
else
switch (fregNo) {
case 0:
ret = offsetof(VexGuestMIPS64State, guest_f0); break;
case 1:
ret = offsetof(VexGuestMIPS64State, guest_f1); break;
case 2:
ret = offsetof(VexGuestMIPS64State, guest_f2); break;
case 3:
ret = offsetof(VexGuestMIPS64State, guest_f3); break;
case 4:
ret = offsetof(VexGuestMIPS64State, guest_f4); break;
case 5:
ret = offsetof(VexGuestMIPS64State, guest_f5); break;
case 6:
ret = offsetof(VexGuestMIPS64State, guest_f6); break;
case 7:
ret = offsetof(VexGuestMIPS64State, guest_f7); break;
case 8:
ret = offsetof(VexGuestMIPS64State, guest_f8); break;
case 9:
ret = offsetof(VexGuestMIPS64State, guest_f9); break;
case 10:
ret = offsetof(VexGuestMIPS64State, guest_f10); break;
case 11:
ret = offsetof(VexGuestMIPS64State, guest_f11); break;
case 12:
ret = offsetof(VexGuestMIPS64State, guest_f12); break;
case 13:
ret = offsetof(VexGuestMIPS64State, guest_f13); break;
case 14:
ret = offsetof(VexGuestMIPS64State, guest_f14); break;
case 15:
ret = offsetof(VexGuestMIPS64State, guest_f15); break;
case 16:
ret = offsetof(VexGuestMIPS64State, guest_f16); break;
case 17:
ret = offsetof(VexGuestMIPS64State, guest_f17); break;
case 18:
ret = offsetof(VexGuestMIPS64State, guest_f18); break;
case 19:
ret = offsetof(VexGuestMIPS64State, guest_f19); break;
case 20:
ret = offsetof(VexGuestMIPS64State, guest_f20); break;
case 21:
ret = offsetof(VexGuestMIPS64State, guest_f21); break;
case 22:
ret = offsetof(VexGuestMIPS64State, guest_f22); break;
case 23:
ret = offsetof(VexGuestMIPS64State, guest_f23); break;
case 24:
ret = offsetof(VexGuestMIPS64State, guest_f24); break;
case 25:
ret = offsetof(VexGuestMIPS64State, guest_f25); break;
case 26:
ret = offsetof(VexGuestMIPS64State, guest_f26); break;
case 27:
ret = offsetof(VexGuestMIPS64State, guest_f27); break;
case 28:
ret = offsetof(VexGuestMIPS64State, guest_f28); break;
case 29:
ret = offsetof(VexGuestMIPS64State, guest_f29); break;
case 30:
ret = offsetof(VexGuestMIPS64State, guest_f30); break;
case 31:
ret = offsetof(VexGuestMIPS64State, guest_f31); break;
default:
vassert(0);
break;
}
return ret;
}
/* ---------------- MIPS32 DSP ASE(r2) accumulators ---------------- */
static UInt accumulatorGuestRegOffset(UInt acNo)
{
vassert(!mode64);
vassert(acNo <= 3);
UInt ret;
switch (acNo) {
case 0:
ret = offsetof(VexGuestMIPS32State, guest_ac0); break;
case 1:
ret = offsetof(VexGuestMIPS32State, guest_ac1); break;
case 2:
ret = offsetof(VexGuestMIPS32State, guest_ac2); break;
case 3:
ret = offsetof(VexGuestMIPS32State, guest_ac3); break;
default:
vassert(0);
break;
}
return ret;
}
/* Do a endian load of a 32-bit word, regardless of the endianness of the
underlying host. */
static inline UInt getUInt(const UChar * p)
{
UInt w = 0;
#if defined (_MIPSEL)
w = (w << 8) | p[3];
w = (w << 8) | p[2];
w = (w << 8) | p[1];
w = (w << 8) | p[0];
#elif defined (_MIPSEB)
w = (w << 8) | p[0];
w = (w << 8) | p[1];
w = (w << 8) | p[2];
w = (w << 8) | p[3];
#endif
return w;
}
#define BITS2(_b1,_b0) \
(((_b1) << 1) | (_b0))
#define BITS3(_b2,_b1,_b0) \
(((_b2) << 2) | ((_b1) << 1) | (_b0))
#define BITS4(_b3,_b2,_b1,_b0) \
(((_b3) << 3) | ((_b2) << 2) | ((_b1) << 1) | (_b0))
#define BITS5(_b4,_b3,_b2,_b1,_b0) \
(((_b4) << 4) | BITS4((_b3),(_b2),(_b1),(_b0)))
#define BITS6(_b5,_b4,_b3,_b2,_b1,_b0) \
((BITS2((_b5),(_b4)) << 4) \
| BITS4((_b3),(_b2),(_b1),(_b0)))
#define BITS8(_b7,_b6,_b5,_b4,_b3,_b2,_b1,_b0) \
((BITS4((_b7),(_b6),(_b5),(_b4)) << 4) \
| BITS4((_b3),(_b2),(_b1),(_b0)))
#define LOAD_STORE_PATTERN \
t1 = newTemp(mode64 ? Ity_I64 : Ity_I32); \
if(!mode64) \
assign(t1, binop(Iop_Add32, getIReg(rs), \
mkU32(extend_s_16to32(imm)))); \
else \
assign(t1, binop(Iop_Add64, getIReg(rs), \
mkU64(extend_s_16to64(imm)))); \
#define LOADX_STORE_PATTERN \
t1 = newTemp(mode64 ? Ity_I64 : Ity_I32); \
if(!mode64) \
assign(t1, binop(Iop_Add32, getIReg(regRs), getIReg(regRt))); \
else \
assign(t1, binop(Iop_Add64, getIReg(regRs), getIReg(regRt)));
#define LWX_SWX_PATTERN64 \
t2 = newTemp(Ity_I64); \
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFFCULL))); \
t4 = newTemp(Ity_I32); \
assign(t4, mkNarrowTo32( ty, binop(Iop_And64, \
mkexpr(t1), mkU64(0x3))));
#define LWX_SWX_PATTERN64_1 \
t2 = newTemp(Ity_I64); \
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFF8ULL))); \
t4 = newTemp(Ity_I64); \
assign(t4, binop(Iop_And64, mkexpr(t1), mkU64(0x7)));
#define LWX_SWX_PATTERN \
t2 = newTemp(Ity_I32); \
assign(t2, binop(Iop_And32, mkexpr(t1), mkU32(0xFFFFFFFC))); \
t4 = newTemp(Ity_I32); \
assign(t4, binop(Iop_And32, mkexpr(t1), mkU32(0x00000003)))
#define SXXV_PATTERN(op) \
putIReg(rd, binop(op, \
getIReg(rt), \
unop(Iop_32to8, \
binop(Iop_And32, \
getIReg(rs), \
mkU32(0x0000001F) \
) \
) \
) \
)
#define SXXV_PATTERN64(op) \
putIReg(rd, mkWidenFrom32(ty, binop(op, \
mkNarrowTo32(ty, getIReg(rt)), \
unop(Iop_32to8, \
binop(Iop_And32, \
mkNarrowTo32(ty, getIReg(rs)), \
mkU32(0x0000001F) \
) \
) \
), True \
))
#define SXX_PATTERN(op) \
putIReg(rd, binop(op, getIReg(rt), mkU8(sa)));
#define ALU_PATTERN(op) \
putIReg(rd, binop(op, getIReg(rs), getIReg(rt)));
#define ALUI_PATTERN(op) \
putIReg(rt, binop(op, getIReg(rs), mkU32(imm)));
#define ALUI_PATTERN64(op) \
putIReg(rt, binop(op, getIReg(rs), mkU64(imm)));
#define ALU_PATTERN64(op) \
putIReg(rd, mkWidenFrom32(ty, binop(op, \
mkNarrowTo32(ty, getIReg(rs)), \
mkNarrowTo32(ty, getIReg(rt))), True));
#define FP_CONDITIONAL_CODE \
t3 = newTemp(Ity_I32); \
assign(t3, binop(Iop_And32, \
IRExpr_ITE( binop(Iop_CmpEQ32, mkU32(cc), mkU32(0)), \
binop(Iop_Shr32, getFCSR(), mkU8(23)), \
binop(Iop_Shr32, getFCSR(), mkU8(24+cc))), \
mkU32(0x1)));
#define ILLEGAL_INSTRUCTON \
putPC(mkU32(guest_PC_curr_instr + 4)); \
dres.jk_StopHere = Ijk_SigILL; \
dres.whatNext = Dis_StopHere;
/*------------------------------------------------------------*/
/*--- Field helpers ---*/
/*------------------------------------------------------------*/
static UInt get_opcode(UInt mipsins)
{
return (0xFC000000 & mipsins) >> 26;
}
static UInt get_rs(UInt mipsins)
{
return (0x03E00000 & mipsins) >> 21;
}
static UInt get_rt(UInt mipsins)
{
return (0x001F0000 & mipsins) >> 16;
}
static UInt get_imm(UInt mipsins)
{
return (0x0000FFFF & mipsins);
}
static UInt get_instr_index(UInt mipsins)
{
return (0x03FFFFFF & mipsins);
}
static UInt get_rd(UInt mipsins)
{
return (0x0000F800 & mipsins) >> 11;
}
static UInt get_sa(UInt mipsins)
{
return (0x000007C0 & mipsins) >> 6;
}
static UInt get_function(UInt mipsins)
{
return (0x0000003F & mipsins);
}
static UInt get_ft(UInt mipsins)
{
return (0x001F0000 & mipsins) >> 16;
}
static UInt get_fs(UInt mipsins)
{
return (0x0000F800 & mipsins) >> 11;
}
static UInt get_fd(UInt mipsins)
{
return (0x000007C0 & mipsins) >> 6;
}
static UInt get_mov_cc(UInt mipsins)
{
return (0x001C0000 & mipsins) >> 18;
}
static UInt get_bc1_cc(UInt mipsins)
{
return (0x001C0000 & mipsins) >> 18;
}
static UInt get_fpc_cc(UInt mipsins)
{
return (0x00000700 & mipsins) >> 8;
}
static UInt get_tf(UInt mipsins)
{
return (0x00010000 & mipsins) >> 16;
}
static UInt get_nd(UInt mipsins)
{
return (0x00020000 & mipsins) >> 17;
}
static UInt get_fmt(UInt mipsins)
{
return (0x03E00000 & mipsins) >> 21;
}
static UInt get_FC(UInt mipsins)
{
return (0x000000F0 & mipsins) >> 4;
}
static UInt get_cond(UInt mipsins)
{
return (0x0000000F & mipsins);
}
/* for break & syscall */
static UInt get_code(UInt mipsins)
{
return (0xFFC0 & mipsins) >> 6;
}
static UInt get_lsb(UInt mipsins)
{
return (0x7C0 & mipsins) >> 6;
}
static UInt get_msb(UInt mipsins)
{
return (0x0000F800 & mipsins) >> 11;
}
static UInt get_rot(UInt mipsins)
{
return (0x00200000 & mipsins) >> 21;
}
static UInt get_rotv(UInt mipsins)
{
return (0x00000040 & mipsins) >> 6;
}
static UInt get_sel(UInt mipsins)
{
return (0x00000007 & mipsins);
}
/* Get acc number for all MIPS32 DSP ASE(r2) instructions that use them,
except for MFHI and MFLO. */
static UInt get_acNo(UInt mipsins)
{
return (0x00001800 & mipsins) >> 11;
}
/* Get accumulator number for MIPS32 DSP ASEr2 MFHI and MFLO instructions. */
static UInt get_acNo_mfhilo(UInt mipsins)
{
return (0x00600000 & mipsins) >> 21;
}
/* Get mask field (helper function for wrdsp instruction). */
static UInt get_wrdspMask(UInt mipsins)
{
return (0x001ff800 & mipsins) >> 11;
}
/* Get mask field (helper function for rddsp instruction). */
static UInt get_rddspMask(UInt mipsins)
{
return (0x03ff0000 & mipsins) >> 16;
}
/* Get shift field (helper function for DSP ASE instructions). */
static UInt get_shift(UInt mipsins)
{
return (0x03f00000 & mipsins) >> 20;
}
/* Get immediate field for DSP ASE instructions. */
static UInt get_dspImm(UInt mipsins)
{
return (0x03ff0000 & mipsins) >> 16;
}
static Bool branch_or_jump(const UChar * addr)
{
UInt fmt;
UInt cins = getUInt(addr);
UInt opcode = get_opcode(cins);
UInt rt = get_rt(cins);
UInt function = get_function(cins);
/* bgtz, blez, bne, beq, jal */
if (opcode == 0x07 || opcode == 0x06 || opcode == 0x05 || opcode == 0x04
|| opcode == 0x03 || opcode == 0x02) {
return True;
}
/* bgez */
if (opcode == 0x01 && rt == 0x01) {
return True;
}
/* bgezal */
if (opcode == 0x01 && rt == 0x11) {
return True;
}
/* bltzal */
if (opcode == 0x01 && rt == 0x10) {
return True;
}
/* bltz */
if (opcode == 0x01 && rt == 0x00) {
return True;
}
/* jalr */
if (opcode == 0x00 && function == 0x09) {
return True;
}
/* jr */
if (opcode == 0x00 && function == 0x08) {
return True;
}
if (opcode == 0x11) {
/*bc1f & bc1t */
fmt = get_fmt(cins);
if (fmt == 0x08) {
return True;
}
}
/* bposge32 */
if (opcode == 0x01 && rt == 0x1c) {
return True;
}
/* Cavium Specific instructions. */
if (opcode == 0x32 || opcode == 0x3A || opcode == 0x36 || opcode == 0x3E) {
/* BBIT0, BBIT1, BBIT032, BBIT132 */
return True;
}
return False;
}
static Bool is_Branch_or_Jump_and_Link(const UChar * addr)
{
UInt cins = getUInt(addr);
UInt opcode = get_opcode(cins);
UInt rt = get_rt(cins);
UInt function = get_function(cins);
/* jal */
if (opcode == 0x02) {
return True;
}
/* bgezal */
if (opcode == 0x01 && rt == 0x11) {
return True;
}
/* bltzal */
if (opcode == 0x01 && rt == 0x10) {
return True;
}
/* jalr */
if (opcode == 0x00 && function == 0x09) {
return True;
}
return False;
}
static Bool branch_or_link_likely(const UChar * addr)
{
UInt cins = getUInt(addr);
UInt opcode = get_opcode(cins);
UInt rt = get_rt(cins);
/* bgtzl, blezl, bnel, beql */
if (opcode == 0x17 || opcode == 0x16 || opcode == 0x15 || opcode == 0x14)
return True;
/* bgezl */
if (opcode == 0x01 && rt == 0x03)
return True;
/* bgezall */
if (opcode == 0x01 && rt == 0x13)
return True;
/* bltzall */
if (opcode == 0x01 && rt == 0x12)
return True;
/* bltzl */
if (opcode == 0x01 && rt == 0x02)
return True;
return False;
}
/*------------------------------------------------------------*/
/*--- Helper bits and pieces for creating IR fragments. ---*/
/*------------------------------------------------------------*/
static IRExpr *mkU8(UInt i)
{
vassert(i < 256);
return IRExpr_Const(IRConst_U8((UChar) i));
}
/* Create an expression node for a 16-bit integer constant. */
static IRExpr *mkU16(UInt i)
{
return IRExpr_Const(IRConst_U16(i));
}
/* Create an expression node for a 32-bit integer constant. */
static IRExpr *mkU32(UInt i)
{
return IRExpr_Const(IRConst_U32(i));
}
/* Create an expression node for a 64-bit integer constant. */
static IRExpr *mkU64(ULong i)
{
return IRExpr_Const(IRConst_U64(i));
}
static IRExpr *mkexpr(IRTemp tmp)
{
return IRExpr_RdTmp(tmp);
}
static IRExpr *unop(IROp op, IRExpr * a)
{
return IRExpr_Unop(op, a);
}
static IRExpr *binop(IROp op, IRExpr * a1, IRExpr * a2)
{
return IRExpr_Binop(op, a1, a2);
}
static IRExpr *triop(IROp op, IRExpr * a1, IRExpr * a2, IRExpr * a3)
{
return IRExpr_Triop(op, a1, a2, a3);
}
static IRExpr *qop ( IROp op, IRExpr * a1, IRExpr * a2, IRExpr * a3,
IRExpr * a4 )
{
return IRExpr_Qop(op, a1, a2, a3, a4);
}
static IRExpr *load(IRType ty, IRExpr * addr)
{
IRExpr *load1 = NULL;
#if defined (_MIPSEL)
load1 = IRExpr_Load(Iend_LE, ty, addr);
#elif defined (_MIPSEB)
load1 = IRExpr_Load(Iend_BE, ty, addr);
#endif
return load1;
}
/* Add a statement to the list held by "irsb". */
static void stmt(IRStmt * st)
{
addStmtToIRSB(irsb, st);
}
static void assign(IRTemp dst, IRExpr * e)
{
stmt(IRStmt_WrTmp(dst, e));
}
static void store(IRExpr * addr, IRExpr * data)
{
#if defined (_MIPSEL)
stmt(IRStmt_Store(Iend_LE, addr, data));
#elif defined (_MIPSEB)
stmt(IRStmt_Store(Iend_BE, addr, data));
#endif
}
/* Generate a new temporary of the given type. */
static IRTemp newTemp(IRType ty)
{
vassert(isPlausibleIRType(ty));
return newIRTemp(irsb->tyenv, ty);
}
/* Generate an expression for SRC rotated right by ROT. */
static IRExpr *genROR32(IRExpr * src, Int rot)
{
vassert(rot >= 0 && rot < 32);
if (rot == 0)
return src;
return binop(Iop_Or32, binop(Iop_Shl32, src, mkU8(32 - rot)),
binop(Iop_Shr32, src, mkU8(rot)));
}
static IRExpr *genRORV32(IRExpr * src, IRExpr * rs)
{
IRTemp t0 = newTemp(Ity_I8);
IRTemp t1 = newTemp(Ity_I8);
assign(t0, unop(Iop_32to8, binop(Iop_And32, rs, mkU32(0x0000001F))));
assign(t1, binop(Iop_Sub8, mkU8(32), mkexpr(t0)));
return binop(Iop_Or32, binop(Iop_Shl32, src, mkexpr(t1)),
binop(Iop_Shr32, src, mkexpr(t0)));
}
static UShort extend_s_10to16(UInt x)
{
return (UShort) ((((Int) x) << 22) >> 22);
}
static ULong extend_s_10to32(UInt x)
{
return (ULong)((((Long) x) << 22) >> 22);
}
static ULong extend_s_10to64(UInt x)
{
return (ULong)((((Long) x) << 54) >> 54);
}
static UInt extend_s_16to32(UInt x)
{
return (UInt) ((((Int) x) << 16) >> 16);
}
static UInt extend_s_18to32(UInt x)
{
return (UInt) ((((Int) x) << 14) >> 14);
}
static ULong extend_s_16to64 ( UInt x )
{
return (ULong) ((((Long) x) << 48) >> 48);
}
static ULong extend_s_18to64 ( UInt x )
{
return (ULong) ((((Long) x) << 46) >> 46);
}
static ULong extend_s_32to64 ( UInt x )
{
return (ULong) ((((Long) x) << 32) >> 32);
}
static void jmp_lit32 ( /*MOD*/ DisResult* dres, IRJumpKind kind, Addr32 d32 )
{
vassert(dres->whatNext == Dis_Continue);
vassert(dres->len == 0);
vassert(dres->continueAt == 0);
vassert(dres->jk_StopHere == Ijk_INVALID);
dres->whatNext = Dis_StopHere;
dres->jk_StopHere = kind;
stmt( IRStmt_Put( OFFB_PC, mkU32(d32) ) );
}
static void jmp_lit64 ( /*MOD*/ DisResult* dres, IRJumpKind kind, Addr64 d64 )
{
vassert(dres->whatNext == Dis_Continue);
vassert(dres->len == 0);
vassert(dres->continueAt == 0);
vassert(dres->jk_StopHere == Ijk_INVALID);
dres->whatNext = Dis_StopHere;
dres->jk_StopHere = kind;
stmt(IRStmt_Put(OFFB_PC, mkU64(d64)));
}
/* Get value from accumulator (helper function for MIPS32 DSP ASE instructions).
This function should be called before any other operation if widening
multiplications are used. */
static IRExpr *getAcc(UInt acNo)
{
vassert(!mode64);
vassert(acNo <= 3);
return IRExpr_Get(accumulatorGuestRegOffset(acNo), Ity_I64);
}
/* Get value from DSPControl register (helper function for MIPS32 DSP ASE
instructions). */
static IRExpr *getDSPControl(void)
{
vassert(!mode64);
return IRExpr_Get(offsetof(VexGuestMIPS32State, guest_DSPControl), Ity_I32);
}
/* Put value to DSPControl register. Expression e is written to DSPControl as
is. If only certain bits of DSPControl need to be changed, it should be done
before calling putDSPControl(). It could be done by reading DSPControl and
ORing it with appropriate mask. */
static void putDSPControl(IRExpr * e)
{
vassert(!mode64);
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_DSPControl), e));
}
/* Fetch a byte from the guest insn stream. */
static UChar getIByte(Int delta)
{
return guest_code[delta];
}
static IRExpr *getIReg(UInt iregNo)
{
if (0 == iregNo) {
return mode64 ? mkU64(0x0) : mkU32(0x0);
} else {
IRType ty = mode64 ? Ity_I64 : Ity_I32;
vassert(iregNo < 32);
return IRExpr_Get(integerGuestRegOffset(iregNo), ty);
}
}
static IRExpr *getHI(void)
{
if (mode64)
return IRExpr_Get(offsetof(VexGuestMIPS64State, guest_HI), Ity_I64);
else
return IRExpr_Get(offsetof(VexGuestMIPS32State, guest_HI), Ity_I32);
}
static IRExpr *getLO(void)
{
if (mode64)
return IRExpr_Get(offsetof(VexGuestMIPS64State, guest_LO), Ity_I64);
else
return IRExpr_Get(offsetof(VexGuestMIPS32State, guest_LO), Ity_I32);
}
static IRExpr *getFCSR(void)
{
if (mode64)
return IRExpr_Get(offsetof(VexGuestMIPS64State, guest_FCSR), Ity_I32);
else
return IRExpr_Get(offsetof(VexGuestMIPS32State, guest_FCSR), Ity_I32);
}
/* Get byte from register reg, byte pos from 0 to 3 (or 7 for MIPS64) . */
static IRExpr *getByteFromReg(UInt reg, UInt byte_pos)
{
UInt pos = byte_pos * 8;
if (mode64)
return unop(Iop_64to8, binop(Iop_And64,
binop(Iop_Shr64, getIReg(reg), mkU8(pos)),
mkU64(0xFF)));
else
return unop(Iop_32to8, binop(Iop_And32,
binop(Iop_Shr32, getIReg(reg), mkU8(pos)),
mkU32(0xFF)));
}
static void putFCSR(IRExpr * e)
{
if (mode64)
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_FCSR), e));
else
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_FCSR), e));
}
/* fs - fpu source register number.
inst - fpu instruction that needs to be executed.
sz32 - size of source register.
opN - number of operads:
1 - unary operation.
2 - binary operation. */
static void calculateFCSR(UInt fs, UInt ft, UInt inst, Bool sz32, UInt opN)
{
IRDirty *d;
IRTemp fcsr = newTemp(Ity_I32);
/* IRExpr_BBPTR() => Need to pass pointer to guest state to helper. */
if (fp_mode64)
d = unsafeIRDirty_1_N(fcsr, 0,
"mips_dirtyhelper_calculate_FCSR_fp64",
&mips_dirtyhelper_calculate_FCSR_fp64,
mkIRExprVec_4(IRExpr_BBPTR(),
mkU32(fs),
mkU32(ft),
mkU32(inst)));
else
d = unsafeIRDirty_1_N(fcsr, 0,
"mips_dirtyhelper_calculate_FCSR_fp32",
&mips_dirtyhelper_calculate_FCSR_fp32,
mkIRExprVec_4(IRExpr_BBPTR(),
mkU32(fs),
mkU32(ft),
mkU32(inst)));
if (opN == 1) { /* Unary operation. */
/* Declare we're reading guest state. */
if (sz32 || fp_mode64)
d->nFxState = 2;
else
d->nFxState = 3;
vex_bzero(&d->fxState, sizeof(d->fxState));
d->fxState[0].fx = Ifx_Read; /* read */
if (mode64)
d->fxState[0].offset = offsetof(VexGuestMIPS64State, guest_FCSR);
else
d->fxState[0].offset = offsetof(VexGuestMIPS32State, guest_FCSR);
d->fxState[0].size = sizeof(UInt);
d->fxState[1].fx = Ifx_Read; /* read */
d->fxState[1].offset = floatGuestRegOffset(fs);
d->fxState[1].size = sizeof(ULong);
if (!(sz32 || fp_mode64)) {
d->fxState[2].fx = Ifx_Read; /* read */
d->fxState[2].offset = floatGuestRegOffset(fs+1);
d->fxState[2].size = sizeof(ULong);
}
} else if (opN == 2) { /* Binary operation. */
/* Declare we're reading guest state. */
if (sz32 || fp_mode64)
d->nFxState = 3;
else
d->nFxState = 5;
vex_bzero(&d->fxState, sizeof(d->fxState));
d->fxState[0].fx = Ifx_Read; /* read */
if (mode64)
d->fxState[0].offset = offsetof(VexGuestMIPS64State, guest_FCSR);
else
d->fxState[0].offset = offsetof(VexGuestMIPS32State, guest_FCSR);
d->fxState[0].size = sizeof(UInt);
d->fxState[1].fx = Ifx_Read; /* read */
d->fxState[1].offset = floatGuestRegOffset(fs);
d->fxState[1].size = sizeof(ULong);
d->fxState[2].fx = Ifx_Read; /* read */
d->fxState[2].offset = floatGuestRegOffset(ft);
d->fxState[2].size = sizeof(ULong);
if (!(sz32 || fp_mode64)) {
d->fxState[3].fx = Ifx_Read; /* read */
d->fxState[3].offset = floatGuestRegOffset(fs+1);
d->fxState[3].size = sizeof(ULong);
d->fxState[4].fx = Ifx_Read; /* read */
d->fxState[4].offset = floatGuestRegOffset(ft+1);
d->fxState[4].size = sizeof(ULong);
}
}
stmt(IRStmt_Dirty(d));
putFCSR(mkexpr(fcsr));
}
static IRExpr *getULR(void)
{
if (mode64)
return IRExpr_Get(offsetof(VexGuestMIPS64State, guest_ULR), Ity_I64);
else
return IRExpr_Get(offsetof(VexGuestMIPS32State, guest_ULR), Ity_I32);
}
static void putIReg(UInt archreg, IRExpr * e)
{
IRType ty = mode64 ? Ity_I64 : Ity_I32;
vassert(archreg < 32);
vassert(typeOfIRExpr(irsb->tyenv, e) == ty);
if (archreg != 0)
stmt(IRStmt_Put(integerGuestRegOffset(archreg), e));
}
static IRExpr *mkNarrowTo32(IRType ty, IRExpr * src)
{
vassert(ty == Ity_I32 || ty == Ity_I64);
return ty == Ity_I64 ? unop(Iop_64to32, src) : src;
}
static void putLO(IRExpr * e)
{
if (mode64) {
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_LO), e));
} else {
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_LO), e));
/* Add value to lower 32 bits of ac0 to maintain compatibility between
regular MIPS32 instruction set and MIPS DSP ASE. Keep higher 32bits
unchanged. */
IRTemp t_lo = newTemp(Ity_I32);
IRTemp t_hi = newTemp(Ity_I32);
assign(t_lo, e);
assign(t_hi, unop(Iop_64HIto32, getAcc(0)));
stmt(IRStmt_Put(accumulatorGuestRegOffset(0),
binop(Iop_32HLto64, mkexpr(t_hi), mkexpr(t_lo))));
}
}
static void putHI(IRExpr * e)
{
if (mode64) {
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_HI), e));
} else {
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_HI), e));
/* Add value to higher 32 bits of ac0 to maintain compatibility between
regular MIPS32 instruction set and MIPS DSP ASE. Keep lower 32bits
unchanged. */
IRTemp t_lo = newTemp(Ity_I32);
IRTemp t_hi = newTemp(Ity_I32);
assign(t_hi, e);
assign(t_lo, unop(Iop_64to32, getAcc(0)));
stmt(IRStmt_Put(accumulatorGuestRegOffset(0),
binop(Iop_32HLto64, mkexpr(t_hi), mkexpr(t_lo))));
}
}
/* Put value to accumulator(helper function for MIPS32 DSP ASE instructions). */
static void putAcc(UInt acNo, IRExpr * e)
{
vassert(!mode64);
vassert(acNo <= 3);
vassert(typeOfIRExpr(irsb->tyenv, e) == Ity_I64);
stmt(IRStmt_Put(accumulatorGuestRegOffset(acNo), e));
/* If acNo = 0, split value to HI and LO regs in order to maintain compatibility
between MIPS32 and MIPS DSP ASE insn sets. */
if (0 == acNo) {
putLO(unop(Iop_64to32, e));
putHI(unop(Iop_64HIto32, e));
}
}
static IRExpr *mkNarrowTo8 ( IRType ty, IRExpr * src )
{
vassert(ty == Ity_I32 || ty == Ity_I64);
return ty == Ity_I64 ? unop(Iop_64to8, src) : unop(Iop_32to8, src);
}
static void putPC(IRExpr * e)
{
stmt(IRStmt_Put(OFFB_PC, e));
}
static IRExpr *mkWidenFrom32(IRType ty, IRExpr * src, Bool sined)
{
vassert(ty == Ity_I32 || ty == Ity_I64);
if (ty == Ity_I32)
return src;
return (sined) ? unop(Iop_32Sto64, src) : unop(Iop_32Uto64, src);
}
/* Narrow 8/16/32 bit int expr to 8/16/32. Clearly only some
of these combinations make sense. */
static IRExpr *narrowTo(IRType dst_ty, IRExpr * e)
{
IRType src_ty = typeOfIRExpr(irsb->tyenv, e);
if (src_ty == dst_ty)
return e;
if (src_ty == Ity_I32 && dst_ty == Ity_I16)
return unop(Iop_32to16, e);
if (src_ty == Ity_I32 && dst_ty == Ity_I8)
return unop(Iop_32to8, e);
if (src_ty == Ity_I64 && dst_ty == Ity_I8) {
vassert(mode64);
return unop(Iop_64to8, e);
}
if (src_ty == Ity_I64 && dst_ty == Ity_I16) {
vassert(mode64);
return unop(Iop_64to16, e);
}
vpanic("narrowTo(mips)");
return 0;
}
static IRExpr *getLoFromF64(IRType ty, IRExpr * src)
{
vassert(ty == Ity_F32 || ty == Ity_F64);
if (ty == Ity_F64) {
IRTemp t0, t1;
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
assign(t0, unop(Iop_ReinterpF64asI64, src));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
return unop(Iop_ReinterpI32asF32, mkexpr(t1));
} else
return src;
}
static IRExpr *mkWidenFromF32(IRType ty, IRExpr * src)
{
vassert(ty == Ity_F32 || ty == Ity_F64);
if (ty == Ity_F64) {
IRTemp t0 = newTemp(Ity_I32);
IRTemp t1 = newTemp(Ity_I64);
assign(t0, unop(Iop_ReinterpF32asI32, src));
assign(t1, binop(Iop_32HLto64, mkU32(0x0), mkexpr(t0)));
return unop(Iop_ReinterpI64asF64, mkexpr(t1));
} else
return src;
}
static IRExpr *dis_branch_likely(IRExpr * guard, UInt imm)
{
ULong branch_offset;
IRTemp t0;
/* PC = PC + (SignExtend(signed_immed_24) << 2)
An 18-bit signed offset (the 16-bit offset field shifted left 2 bits)
is added to the address of the instruction following
the branch (not the branch itself), in the branch delay slot, to form
a PC-relative effective target address. */
if (mode64)
branch_offset = extend_s_18to64(imm << 2);
else
branch_offset = extend_s_18to32(imm << 2);
t0 = newTemp(Ity_I1);
assign(t0, guard);
if (mode64)
stmt(IRStmt_Exit(mkexpr(t0), Ijk_Boring,
IRConst_U64(guest_PC_curr_instr + 8), OFFB_PC));
else
stmt(IRStmt_Exit(mkexpr(t0), Ijk_Boring,
IRConst_U32(guest_PC_curr_instr + 8), OFFB_PC));
irsb->jumpkind = Ijk_Boring;
if (mode64)
return mkU64(guest_PC_curr_instr + 4 + branch_offset);
else
return mkU32(guest_PC_curr_instr + 4 + branch_offset);
}
static void dis_branch(Bool link, IRExpr * guard, UInt imm, IRStmt ** set)
{
ULong branch_offset;
IRTemp t0;
if (link) { /* LR (GPR31) = addr of the 2nd instr after branch instr */
if (mode64)
putIReg(31, mkU64(guest_PC_curr_instr + 8));
else
putIReg(31, mkU32(guest_PC_curr_instr + 8));
}
/* PC = PC + (SignExtend(signed_immed_24) << 2)
An 18-bit signed offset (the 16-bit offset field shifted left 2 bits)
is added to the address of the instruction following
the branch (not the branch itself), in the branch delay slot, to form
a PC-relative effective target address. */
if (mode64)
branch_offset = extend_s_18to64(imm << 2);
else
branch_offset = extend_s_18to32(imm << 2);
t0 = newTemp(Ity_I1);
assign(t0, guard);
if (mode64)
*set = IRStmt_Exit(mkexpr(t0), link ? Ijk_Call : Ijk_Boring,
IRConst_U64(guest_PC_curr_instr + 4 + branch_offset),
OFFB_PC);
else
*set = IRStmt_Exit(mkexpr(t0), link ? Ijk_Call : Ijk_Boring,
IRConst_U32(guest_PC_curr_instr + 4 +
(UInt) branch_offset), OFFB_PC);
}
static IRExpr *getFReg(UInt fregNo)
{
vassert(fregNo < 32);
IRType ty = fp_mode64 ? Ity_F64 : Ity_F32;
return IRExpr_Get(floatGuestRegOffset(fregNo), ty);
}
static IRExpr *getDReg(UInt dregNo)
{
vassert(dregNo < 32);
if (fp_mode64) {
return IRExpr_Get(floatGuestRegOffset(dregNo), Ity_F64);
} else {
/* Read a floating point register pair and combine their contents into a
64-bit value */
IRTemp t0 = newTemp(Ity_F32);
IRTemp t1 = newTemp(Ity_F32);
IRTemp t2 = newTemp(Ity_F64);
IRTemp t3 = newTemp(Ity_I32);
IRTemp t4 = newTemp(Ity_I32);
IRTemp t5 = newTemp(Ity_I64);
assign(t0, getFReg(dregNo));
assign(t1, getFReg(dregNo + 1));
assign(t3, unop(Iop_ReinterpF32asI32, mkexpr(t0)));
assign(t4, unop(Iop_ReinterpF32asI32, mkexpr(t1)));
assign(t5, binop(Iop_32HLto64, mkexpr(t4), mkexpr(t3)));
assign(t2, unop(Iop_ReinterpI64asF64, mkexpr(t5)));
return mkexpr(t2);
}
}
static void putFReg(UInt dregNo, IRExpr * e)
{
vassert(dregNo < 32);
IRType ty = fp_mode64 ? Ity_F64 : Ity_F32;
vassert(typeOfIRExpr(irsb->tyenv, e) == ty);
stmt(IRStmt_Put(floatGuestRegOffset(dregNo), e));
}
static void putDReg(UInt dregNo, IRExpr * e)
{
if (fp_mode64) {
vassert(dregNo < 32);
IRType ty = Ity_F64;
vassert(typeOfIRExpr(irsb->tyenv, e) == ty);
stmt(IRStmt_Put(floatGuestRegOffset(dregNo), e));
} else {
vassert(dregNo < 32);
vassert(typeOfIRExpr(irsb->tyenv, e) == Ity_F64);
IRTemp t1 = newTemp(Ity_F64);
IRTemp t4 = newTemp(Ity_I32);
IRTemp t5 = newTemp(Ity_I32);
IRTemp t6 = newTemp(Ity_I64);
assign(t1, e);
assign(t6, unop(Iop_ReinterpF64asI64, mkexpr(t1)));
assign(t4, unop(Iop_64HIto32, mkexpr(t6))); /* hi */
assign(t5, unop(Iop_64to32, mkexpr(t6))); /* lo */
putFReg(dregNo, unop(Iop_ReinterpI32asF32, mkexpr(t5)));
putFReg(dregNo + 1, unop(Iop_ReinterpI32asF32, mkexpr(t4)));
}
}
static void setFPUCondCode(IRExpr * e, UInt cc)
{
if (cc == 0) {
putFCSR(binop(Iop_And32, getFCSR(), mkU32(0xFF7FFFFF)));
putFCSR(binop(Iop_Or32, getFCSR(), binop(Iop_Shl32, e, mkU8(23))));
} else {
putFCSR(binop(Iop_And32, getFCSR(), unop(Iop_Not32,
binop(Iop_Shl32, mkU32(0x01000000), mkU8(cc)))));
putFCSR(binop(Iop_Or32, getFCSR(), binop(Iop_Shl32, e, mkU8(24 + cc))));
}
}
static IRExpr* get_IR_roundingmode ( void )
{
/*
rounding mode | MIPS | IR
------------------------
to nearest | 00 | 00
to zero | 01 | 11
to +infinity | 10 | 10
to -infinity | 11 | 01
*/
IRTemp rm_MIPS = newTemp(Ity_I32);
/* Last two bits in FCSR are rounding mode. */
if (mode64)
assign(rm_MIPS, binop(Iop_And32, IRExpr_Get(offsetof(VexGuestMIPS64State,
guest_FCSR), Ity_I32), mkU32(3)));
else
assign(rm_MIPS, binop(Iop_And32, IRExpr_Get(offsetof(VexGuestMIPS32State,
guest_FCSR), Ity_I32), mkU32(3)));
/* rm_IR = XOR( rm_MIPS32, (rm_MIPS32 << 1) & 2) */
return binop(Iop_Xor32, mkexpr(rm_MIPS), binop(Iop_And32,
binop(Iop_Shl32, mkexpr(rm_MIPS), mkU8(1)), mkU32(2)));
}
/* sz, ULong -> IRExpr */
static IRExpr *mkSzImm ( IRType ty, ULong imm64 )
{
vassert(ty == Ity_I32 || ty == Ity_I64);
return ty == Ity_I64 ? mkU64(imm64) : mkU32((UInt) imm64);
}
static IRConst *mkSzConst ( IRType ty, ULong imm64 )
{
vassert(ty == Ity_I32 || ty == Ity_I64);
return (ty == Ity_I64 ? IRConst_U64(imm64) : IRConst_U32((UInt) imm64));
}
/* Make sure we get valid 32 and 64bit addresses */
static Addr64 mkSzAddr ( IRType ty, Addr64 addr )
{
vassert(ty == Ity_I32 || ty == Ity_I64);
return (ty == Ity_I64 ? (Addr64) addr :
(Addr64) extend_s_32to64(toUInt(addr)));
}
/* Shift and Rotate instructions for MIPS64 */
static Bool dis_instr_shrt ( UInt theInstr )
{
UInt opc2 = get_function(theInstr);
UChar regRs = get_rs(theInstr);
UChar regRt = get_rt(theInstr);
UChar regRd = get_rd(theInstr);
UChar uImmsa = get_sa(theInstr);
Long sImmsa = extend_s_16to64(uImmsa);
IRType ty = mode64 ? Ity_I64 : Ity_I32;
IRTemp tmp = newTemp(ty);
IRTemp tmpOr = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRd = newTemp(ty);
assign(tmpRs, getIReg(regRs));
assign(tmpRt, getIReg(regRt));
switch (opc2) {
case 0x3A:
if ((regRs & 0x01) == 0) {
/* Doubleword Shift Right Logical - DSRL; MIPS64 */
DIP("dsrl r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
assign(tmpRd, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(uImmsa)));
putIReg(regRd, mkexpr(tmpRd));
} else if ((regRs & 0x01) == 1) {
/* Doubleword Rotate Right - DROTR; MIPS64r2 */
vassert(mode64);
DIP("drotr r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
IRTemp tmpL = newTemp(ty);
IRTemp tmpR = newTemp(ty);
assign(tmpR, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(uImmsa)));
assign(tmp, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(63 - uImmsa)));
assign(tmpL, binop(Iop_Shl64, mkexpr(tmp), mkU8(1)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpL), mkexpr(tmpR)));
putIReg(regRd, mkexpr(tmpRd));
} else
return False;
break;
case 0x3E:
if ((regRs & 0x01) == 0) {
/* Doubleword Shift Right Logical Plus 32 - DSRL32; MIPS64 */
DIP("dsrl32 r%u, r%u, %d", regRd, regRt, (Int)(sImmsa + 32));
assign(tmpRd, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(uImmsa + 32)));
putIReg(regRd, mkexpr(tmpRd));
} else if ((regRs & 0x01) == 1) {
/* Doubleword Rotate Right Plus 32 - DROTR32; MIPS64r2 */
DIP("drotr32 r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
vassert(mode64);
IRTemp tmpL = newTemp(ty);
IRTemp tmpR = newTemp(ty);
/* (tmpRt >> sa) | (tmpRt << (64 - sa)) */
assign(tmpR, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(uImmsa + 32)));
assign(tmp, binop(Iop_Shl64, mkexpr(tmpRt),
mkU8(63 - (uImmsa + 32))));
assign(tmpL, binop(Iop_Shl64, mkexpr(tmp), mkU8(1)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpL), mkexpr(tmpR)));
putIReg(regRd, mkexpr(tmpRd));
} else
return False;
break;
case 0x16:
if ((uImmsa & 0x01) == 0) {
/* Doubleword Shift Right Logical Variable - DSRLV; MIPS64 */
DIP("dsrlv r%u, r%u, r%u", regRd, regRt, regRs);
IRTemp tmpRs8 = newTemp(Ity_I8);
/* s = tmpRs[5..0] */
assign(tmp, binop(Iop_And64, mkexpr(tmpRs), mkU64(63)));
assign(tmpRs8, mkNarrowTo8(ty, mkexpr(tmp)));
assign(tmpRd, binop(Iop_Shr64, mkexpr(tmpRt), mkexpr(tmpRs8)));
putIReg(regRd, mkexpr(tmpRd));
} else if ((uImmsa & 0x01) == 1) {
/* Doubleword Rotate Right Variable - DROTRV; MIPS64r2 */
DIP("drotrv r%u, r%u, r%u", regRd, regRt, regRs);
IRTemp tmpL = newTemp(ty);
IRTemp tmpR = newTemp(ty);
IRTemp tmpRs8 = newTemp(Ity_I8);
IRTemp tmpLs8 = newTemp(Ity_I8);
IRTemp tmp64 = newTemp(ty);
/* s = tmpRs[5...0]
m = 64 - s
(tmpRt << s) | (tmpRt >> m) */
assign(tmp64, binop(Iop_And64, mkexpr(tmpRs), mkSzImm(ty, 63)));
assign(tmp, binop(Iop_Sub64, mkU64(63), mkexpr(tmp64)));
assign(tmpLs8, mkNarrowTo8(ty, mkexpr(tmp)));
assign(tmpRs8, mkNarrowTo8(ty, mkexpr(tmp64)));
assign(tmpR, binop(Iop_Shr64, mkexpr(tmpRt), mkexpr(tmpRs8)));
assign(tmpL, binop(Iop_Shl64, mkexpr(tmpRt), mkexpr(tmpLs8)));
assign(tmpRd, binop(Iop_Shl64, mkexpr(tmpL), mkU8(1)));
assign(tmpOr, binop(Iop_Or64, mkexpr(tmpRd), mkexpr(tmpR)));
putIReg(regRd, mkexpr(tmpOr));
} else
return False;
break;
case 0x38: /* Doubleword Shift Left Logical - DSLL; MIPS64 */
DIP("dsll r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
vassert(mode64);
assign(tmpRd, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(uImmsa)));
putIReg(regRd, mkexpr(tmpRd));
break;
case 0x3C: /* Doubleword Shift Left Logical Plus 32 - DSLL32; MIPS64 */
DIP("dsll32 r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
assign(tmpRd, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(uImmsa + 32)));
putIReg(regRd, mkexpr(tmpRd));
break;
case 0x14: { /* Doubleword Shift Left Logical Variable - DSLLV; MIPS64 */
DIP("dsllv r%u, r%u, r%u", regRd, regRt, regRs);
IRTemp tmpRs8 = newTemp(Ity_I8);
assign(tmp, binop(Iop_And64, mkexpr(tmpRs), mkSzImm(ty, 63)));
assign(tmpRs8, mkNarrowTo8(ty, mkexpr(tmp)));
assign(tmpRd, binop(Iop_Shl64, mkexpr(tmpRt), mkexpr(tmpRs8)));
putIReg(regRd, mkexpr(tmpRd));
break;
}
case 0x3B: /* Doubleword Shift Right Arithmetic - DSRA; MIPS64 */
DIP("dsra r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
assign(tmpRd, binop(Iop_Sar64, mkexpr(tmpRt), mkU8(uImmsa)));
putIReg(regRd, mkexpr(tmpRd));
break;
case 0x3F: /* Doubleword Shift Right Arithmetic Plus 32 - DSRA32;
MIPS64 */
DIP("dsra32 r%u, r%u, %d", regRd, regRt, (Int)sImmsa);
assign(tmpRd, binop(Iop_Sar64, mkexpr(tmpRt), mkU8(uImmsa + 32)));
putIReg(regRd, mkexpr(tmpRd));
break;
case 0x17: { /* Doubleword Shift Right Arithmetic Variable - DSRAV;
MIPS64 */
DIP("dsrav r%u, r%u, r%u", regRd, regRt, regRs);
IRTemp tmpRs8 = newTemp(Ity_I8);
assign(tmp, binop(Iop_And64, mkexpr(tmpRs), mkSzImm(ty, 63)));
assign(tmpRs8, mkNarrowTo8(ty, mkexpr(tmp)));
assign(tmpRd, binop(Iop_Sar64, mkexpr(tmpRt), mkexpr(tmpRs8)));
putIReg(regRd, mkexpr(tmpRd));
break;
}
default:
return False;
}
return True;
}
static IROp mkSzOp ( IRType ty, IROp op8 )
{
Int adj;
vassert(ty == Ity_I8 || ty == Ity_I16 || ty == Ity_I32 || ty == Ity_I64);
vassert(op8 == Iop_Add8 || op8 == Iop_Sub8 || op8 == Iop_Mul8
|| op8 == Iop_Or8 || op8 == Iop_And8 || op8 == Iop_Xor8
|| op8 == Iop_Shl8 || op8 == Iop_Shr8 || op8 == Iop_Sar8
|| op8 == Iop_CmpEQ8 || op8 == Iop_CmpNE8 || op8 == Iop_Not8);
adj = ty == Ity_I8 ? 0 : (ty == Ity_I16 ? 1 : (ty == Ity_I32 ? 2 : 3));
return adj + op8;
}
/*********************************************************/
/*--- Floating Point Compare ---*/
/*********************************************************/
/* Function that returns a string that represent mips cond
mnemonic for the input code. */
static const HChar* showCondCode(UInt code) {
const HChar* ret;
switch (code) {
case 0: ret = "f"; break;
case 1: ret = "un"; break;
case 2: ret = "eq"; break;
case 3: ret = "ueq"; break;
case 4: ret = "olt"; break;
case 5: ret = "ult"; break;
case 6: ret = "ole"; break;
case 7: ret = "ule"; break;
case 8: ret = "sf"; break;
case 9: ret = "ngle"; break;
case 10: ret = "seq"; break;
case 11: ret = "ngl"; break;
case 12: ret = "lt"; break;
case 13: ret = "nge"; break;
case 14: ret = "le"; break;
case 15: ret = "ngt"; break;
default: vpanic("showCondCode"); break;
}
return ret;
}
static Bool dis_instr_CCondFmt ( UInt cins )
{
IRTemp t0, t1, t2, t3, tmp5, tmp6;
IRTemp ccIR = newTemp(Ity_I32);
IRTemp ccMIPS = newTemp(Ity_I32);
UInt FC = get_FC(cins);
UInt fmt = get_fmt(cins);
UInt fs = get_fs(cins);
UInt ft = get_ft(cins);
UInt cond = get_cond(cins);
if (FC == 0x3) { /* C.cond.fmt */
UInt fpc_cc = get_fpc_cc(cins);
switch (fmt) {
case 0x10: { /* C.cond.S */
DIP("c.%s.s %d, f%d, f%d", showCondCode(cond), fpc_cc, fs, ft);
if (fp_mode64) {
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
tmp5 = newTemp(Ity_F64);
tmp6 = newTemp(Ity_F64);
assign(tmp5, unop(Iop_F32toF64, getLoFromF64(Ity_F64,
getFReg(fs))));
assign(tmp6, unop(Iop_F32toF64, getLoFromF64(Ity_F64,
getFReg(ft))));
assign(ccIR, binop(Iop_CmpF64, mkexpr(tmp5), mkexpr(tmp6)));
putHI(mkWidenFrom32(mode64 ? Ity_I64: Ity_I32,
mkexpr(ccIR), True));
/* Map compare result from IR to MIPS
FP cmp result | MIPS | IR
--------------------------
UN | 0x1 | 0x45
EQ | 0x2 | 0x40
GT | 0x4 | 0x00
LT | 0x8 | 0x01
*/
/* ccMIPS = Shl(1, (~(ccIR>>5) & 2) | ((ccIR ^ (ccIR>>6)) & 1) */
assign(ccMIPS, binop(Iop_Shl32, mkU32(1), unop(Iop_32to8,
binop(Iop_Or32, binop(Iop_And32, unop(Iop_Not32,
binop(Iop_Shr32, mkexpr(ccIR),mkU8(5))),mkU32(2)),
binop(Iop_And32, binop(Iop_Xor32, mkexpr(ccIR),
binop(Iop_Shr32, mkexpr(ccIR), mkU8(6))),
mkU32(1))))));
putLO(mkWidenFrom32(mode64 ? Ity_I64: Ity_I32,
mkexpr(ccMIPS), True));
/* UN */
assign(t0, binop(Iop_And32, mkexpr(ccMIPS), mkU32(0x1)));
/* EQ */
assign(t1, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x1)), mkU32(0x1)));
/* NGT */
assign(t2, binop(Iop_And32, unop(Iop_Not32, binop(Iop_Shr32,
mkexpr(ccMIPS), mkU8(0x2))),mkU32(0x1)));
/* LT */
assign(t3, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x3)), mkU32(0x1)));
switch (cond) {
case 0x0:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x1:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0x2:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0x3:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0x4:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0x5:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0x6:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0x7:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
case 0x8:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x9:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0xA:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0xB:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0xC:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0xD:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0xE:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0xF:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
default:
return False;
}
} else {
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(ccIR, binop(Iop_CmpF64, unop(Iop_F32toF64, getFReg(fs)),
unop(Iop_F32toF64, getFReg(ft))));
/* Map compare result from IR to MIPS
FP cmp result | MIPS | IR
--------------------------
UN | 0x1 | 0x45
EQ | 0x2 | 0x40
GT | 0x4 | 0x00
LT | 0x8 | 0x01
*/
/* ccMIPS = Shl(1, (~(ccIR>>5) & 2) | ((ccIR ^ (ccIR>>6)) & 1) */
assign(ccMIPS, binop(Iop_Shl32, mkU32(1), unop(Iop_32to8,
binop(Iop_Or32, binop(Iop_And32, unop(Iop_Not32,
binop(Iop_Shr32, mkexpr(ccIR), mkU8(5))),
mkU32(2)), binop(Iop_And32,
binop(Iop_Xor32, mkexpr(ccIR),
binop(Iop_Shr32, mkexpr(ccIR), mkU8(6))),
mkU32(1))))));
/* UN */
assign(t0, binop(Iop_And32, mkexpr(ccMIPS), mkU32(0x1)));
/* EQ */
assign(t1, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x1)), mkU32(0x1)));
/* NGT */
assign(t2, binop(Iop_And32, unop(Iop_Not32, binop(Iop_Shr32,
mkexpr(ccMIPS), mkU8(0x2))), mkU32(0x1)));
/* LT */
assign(t3, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x3)), mkU32(0x1)));
switch (cond) {
case 0x0:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x1:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0x2:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0x3:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0x4:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0x5:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0x6:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0x7:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
case 0x8:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x9:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0xA:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0xB:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0xC:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0xD:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0xE:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0xF:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
default:
return False;
}
}
}
break;
case 0x11: { /* C.cond.D */
DIP("c.%s.d %d, f%d, f%d", showCondCode(cond), fpc_cc, fs, ft);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(ccIR, binop(Iop_CmpF64, getDReg(fs), getDReg(ft)));
/* Map compare result from IR to MIPS
FP cmp result | MIPS | IR
--------------------------
UN | 0x1 | 0x45
EQ | 0x2 | 0x40
GT | 0x4 | 0x00
LT | 0x8 | 0x01
*/
/* ccMIPS = Shl(1, (~(ccIR>>5) & 2) | ((ccIR ^ (ccIR>>6)) & 1) */
assign(ccMIPS, binop(Iop_Shl32, mkU32(1), unop(Iop_32to8,
binop(Iop_Or32, binop(Iop_And32, unop(Iop_Not32,
binop(Iop_Shr32, mkexpr(ccIR), mkU8(5))), mkU32(2)),
binop(Iop_And32, binop(Iop_Xor32, mkexpr(ccIR),
binop(Iop_Shr32, mkexpr(ccIR), mkU8(6))),
mkU32(1))))));
/* UN */
assign(t0, binop(Iop_And32, mkexpr(ccMIPS), mkU32(0x1)));
/* EQ */
assign(t1, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x1)), mkU32(0x1)));
/* NGT */
assign(t2, binop(Iop_And32, unop(Iop_Not32, binop(Iop_Shr32,
mkexpr(ccMIPS), mkU8(0x2))), mkU32(0x1)));
/* LT */
assign(t3, binop(Iop_And32, binop(Iop_Shr32, mkexpr(ccMIPS),
mkU8(0x3)), mkU32(0x1)));
switch (cond) {
case 0x0:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x1:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0x2:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0x3:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0x4:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0x5:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0x6:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0x7:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
case 0x8:
setFPUCondCode(mkU32(0), fpc_cc);
break;
case 0x9:
setFPUCondCode(mkexpr(t0), fpc_cc);
break;
case 0xA:
setFPUCondCode(mkexpr(t1), fpc_cc);
break;
case 0xB:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t1)),
fpc_cc);
break;
case 0xC:
setFPUCondCode(mkexpr(t3), fpc_cc);
break;
case 0xD:
setFPUCondCode(binop(Iop_Or32, mkexpr(t0), mkexpr(t3)),
fpc_cc);
break;
case 0xE:
setFPUCondCode(binop(Iop_Or32, mkexpr(t3), mkexpr(t1)),
fpc_cc);
break;
case 0xF:
setFPUCondCode(mkexpr(t2), fpc_cc);
break;
default:
return False;
}
}
break;
default:
return False;
}
} else {
return False;
}
return True;
}
/*********************************************************/
/*--- Branch Instructions for mips64 ---*/
/*********************************************************/
static Bool dis_instr_branch ( UInt theInstr, DisResult * dres,
Bool(*resteerOkFn) (void *, Addr),
void *callback_opaque, IRStmt ** set )
{
UInt jmpKind = 0;
UChar opc1 = get_opcode(theInstr);
UChar regRs = get_rs(theInstr);
UChar regRt = get_rt(theInstr);
UInt offset = get_imm(theInstr);
Long sOffset = extend_s_16to64(offset);
IRType ty = mode64 ? Ity_I64 : Ity_I32;
IROp opSlt = mode64 ? Iop_CmpLT64S : Iop_CmpLT32S;
IRTemp tmp = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpLt = newTemp(ty);
IRTemp tmpReg0 = newTemp(ty);
UChar regLnk = 31; /* reg 31 is link reg in MIPS */
Addr64 addrTgt = 0;
Addr64 cia = guest_PC_curr_instr;
IRExpr *eConst0 = mkSzImm(ty, (UInt) 0);
IRExpr *eNia = mkSzImm(ty, cia + 8);
IRExpr *eCond = NULL;
assign(tmpRs, getIReg(regRs));
assign(tmpRt, getIReg(regRt));
assign(tmpReg0, getIReg(0));
eCond = binop(mkSzOp(ty, Iop_CmpNE8), mkexpr(tmpReg0), mkexpr(tmpReg0));
switch (opc1) {
case 0x01:
switch (regRt) {
case 0x00: { /* BLTZ rs, offset */
addrTgt = mkSzAddr(ty, cia + 4 + (sOffset << 2));
IRTemp tmpLtRes = newTemp(Ity_I1);
assign(tmp, eConst0);
assign(tmpLtRes, binop(opSlt, mkexpr(tmpRs), mkexpr(tmp)));
assign(tmpLt, mode64 ? unop(Iop_1Uto64, mkexpr(tmpLtRes)) :
unop(Iop_1Uto32, mkexpr(tmpLtRes)));
eCond = binop(mkSzOp(ty, Iop_CmpNE8), mkexpr(tmpLt),
mkexpr(tmpReg0));
jmpKind = Ijk_Boring;
break;
}
case 0x01: { /* BGEZ rs, offset */
IRTemp tmpLtRes = newTemp(Ity_I1);
addrTgt = mkSzAddr(ty, cia + 4 + (sOffset << 2));
assign(tmp, eConst0);
assign(tmpLtRes, binop(opSlt, mkexpr(tmpRs), mkexpr(tmp)));
assign(tmpLt, mode64 ? unop(Iop_1Uto64, mkexpr(tmpLtRes)) :
unop(Iop_1Uto32, mkexpr(tmpLtRes)));
eCond = binop(mkSzOp(ty, Iop_CmpEQ8), mkexpr(tmpLt),
mkexpr(tmpReg0));
jmpKind = Ijk_Boring;
break;
}
case 0x11: { /* BGEZAL rs, offset */
addrTgt = mkSzAddr(ty, cia + 4 + (sOffset << 2));
putIReg(regLnk, eNia);
IRTemp tmpLtRes = newTemp(Ity_I1);
assign(tmpLtRes, binop(opSlt, mkexpr(tmpRs), eConst0));
assign(tmpLt, mode64 ? unop(Iop_1Uto64, mkexpr(tmpLtRes)) :
unop(Iop_1Uto32, mkexpr(tmpLtRes)));
eCond = binop(mkSzOp(ty, Iop_CmpEQ8), mkexpr(tmpLt),
mkexpr(tmpReg0));
jmpKind = Ijk_Call;
break;
}
case 0x10: { /* BLTZAL rs, offset */
IRTemp tmpLtRes = newTemp(Ity_I1);
IRTemp tmpRes = newTemp(ty);
addrTgt = mkSzAddr(ty, cia + 4 + (sOffset << 2));
putIReg(regLnk, eNia);
assign(tmp, eConst0);
assign(tmpLtRes, binop(opSlt, mkexpr(tmpRs), mkexpr(tmp)));
assign(tmpRes, mode64 ? unop(Iop_1Uto64,
mkexpr(tmpLtRes)) : unop(Iop_1Uto32, mkexpr(tmpLtRes)));
eCond = binop(mkSzOp(ty, Iop_CmpNE8), mkexpr(tmpRes),
mkexpr(tmpReg0));
jmpKind = Ijk_Call;
break;
}
}
break;
default:
return False;
}
*set = IRStmt_Exit(eCond, jmpKind, mkSzConst(ty, addrTgt), OFFB_PC);
return True;
}
/*********************************************************/
/*--- Cavium Specific Instructions ---*/
/*********************************************************/
/* Convenience function to yield to thread scheduler */
static void jump_back(IRExpr *condition)
{
stmt( IRStmt_Exit(condition,
Ijk_Yield,
IRConst_U64( guest_PC_curr_instr ),
OFFB_PC) );
}
/* Based on s390_irgen_load_and_add32. */
static void mips_irgen_load_and_add32(IRTemp op1addr, IRTemp new_val,
UChar rd, Bool putIntoRd)
{
IRCAS *cas;
IRTemp old_mem = newTemp(Ity_I32);
IRTemp expd = newTemp(Ity_I32);
assign(expd, load(Ity_I32, mkexpr(op1addr)));
cas = mkIRCAS(IRTemp_INVALID, old_mem,
Iend_LE, mkexpr(op1addr),
NULL, mkexpr(expd), /* expected value */
NULL, mkexpr(new_val) /* new value */);
stmt(IRStmt_CAS(cas));
/* If old_mem contains the expected value, then the CAS succeeded.
Otherwise, it did not */
jump_back(binop(Iop_CmpNE32, mkexpr(old_mem), mkexpr(expd)));
if (putIntoRd)
putIReg(rd, mkWidenFrom32(Ity_I64, mkexpr(old_mem), True));
}
/* Based on s390_irgen_load_and_add64. */
static void mips_irgen_load_and_add64(IRTemp op1addr, IRTemp new_val,
UChar rd, Bool putIntoRd)
{
IRCAS *cas;
IRTemp old_mem = newTemp(Ity_I64);
IRTemp expd = newTemp(Ity_I64);
assign(expd, load(Ity_I64, mkexpr(op1addr)));
cas = mkIRCAS(IRTemp_INVALID, old_mem,
Iend_LE, mkexpr(op1addr),
NULL, mkexpr(expd), /* expected value */
NULL, mkexpr(new_val) /* new value */);
stmt(IRStmt_CAS(cas));
/* If old_mem contains the expected value, then the CAS succeeded.
Otherwise, it did not */
jump_back(binop(Iop_CmpNE64, mkexpr(old_mem), mkexpr(expd)));
if (putIntoRd)
putIReg(rd, mkexpr(old_mem));
}
static Bool dis_instr_CVM ( UInt theInstr )
{
UChar opc2 = get_function(theInstr);
UChar opc1 = get_opcode(theInstr);
UChar regRs = get_rs(theInstr);
UChar regRt = get_rt(theInstr);
UChar regRd = get_rd(theInstr);
/* MIPS trap instructions extract code from theInstr[15:6].
Cavium OCTEON instructions SNEI, SEQI extract immediate operands
from the same bit field [15:6]. */
UInt imm = get_code(theInstr);
UChar lenM1 = get_msb(theInstr);
UChar p = get_lsb(theInstr);
IRType ty = mode64? Ity_I64 : Ity_I32;
IRTemp tmp = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp t1 = newTemp(ty);
UInt size;
assign(tmpRs, getIReg(regRs));
switch(opc1) {
case 0x1C: {
switch(opc2) {
case 0x03: { /* DMUL rd, rs, rt */
DIP("dmul r%d, r%d, r%d", regRd, regRs, regRt);
IRTemp t0 = newTemp(Ity_I128);
assign(t0, binop(Iop_MullU64, getIReg(regRs), getIReg(regRt)));
putIReg(regRd, unop(Iop_128to64, mkexpr(t0)));
break;
}
case 0x18: { /* Store Atomic Add Word - SAA; Cavium OCTEON */
DIP("saa r%u, (r%u)", regRt, regRs);
IRTemp addr = newTemp(Ity_I64);
IRTemp new = newTemp(Ity_I32);
assign (addr, getIReg(regRs));
assign(new, binop(Iop_Add32,
load(Ity_I32, mkexpr(addr)),
mkNarrowTo32(ty, getIReg(regRt))));
mips_irgen_load_and_add32(addr, new, 0, False);
break;
}
/* Store Atomic Add Doubleword - SAAD; Cavium OCTEON */
case 0x19: {
DIP( "saad r%u, (r%u)", regRt, regRs);
IRTemp addr = newTemp(Ity_I64);
IRTemp new = newTemp(Ity_I64);
assign (addr, getIReg(regRs));
assign(new, binop(Iop_Add64,
load(Ity_I64, mkexpr(addr)),
getIReg(regRt)));
mips_irgen_load_and_add64(addr, new, 0, False);
break;
}
/* LAI, LAID, LAD, LADD, LAS, LASD,
LAC, LACD, LAA, LAAD, LAW, LAWD */
case 0x1f: {
UInt opc3 = get_sa(theInstr);
IRTemp addr = newTemp(Ity_I64);
switch (opc3) {
/* Load Atomic Increment Word - LAI; Cavium OCTEON2 */
case 0x02: {
DIP("lai r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I32);
assign(addr, getIReg(regRs));
assign(new, binop(Iop_Add32,
load(Ity_I32, mkexpr(addr)),
mkU32(1)));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Increment Doubleword - LAID; Cavium OCTEON2 */
case 0x03: {
DIP("laid r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I64);
assign(addr, getIReg(regRs));
assign(new, binop(Iop_Add64,
load(Ity_I64, mkexpr(addr)),
mkU64(1)));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
/* Load Atomic Decrement Word - LAD; Cavium OCTEON2 */
case 0x06: {
DIP("lad r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I32);
assign(addr, getIReg(regRs));
assign(new, binop(Iop_Sub32,
load(Ity_I32, mkexpr(addr)),
mkU32(1)));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Decrement Doubleword - LADD; Cavium OCTEON2 */
case 0x07: {
DIP("ladd r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I64);
assign (addr, getIReg(regRs));
assign(new, binop(Iop_Sub64,
load(Ity_I64, mkexpr(addr)),
mkU64(1)));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
/* Load Atomic Set Word - LAS; Cavium OCTEON2 */
case 0x0a: {
DIP("las r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I32);
assign(addr, getIReg(regRs));
assign(new, mkU32(0xffffffff));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Set Doubleword - LASD; Cavium OCTEON2 */
case 0x0b: {
DIP("lasd r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I64);
assign (addr, getIReg(regRs));
assign(new, mkU64(0xffffffffffffffffULL));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
/* Load Atomic Clear Word - LAC; Cavium OCTEON2 */
case 0x0e: {
DIP("lac r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I32);
assign (addr, getIReg(regRs));
assign(new, mkU32(0));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Clear Doubleword - LACD; Cavium OCTEON2 */
case 0x0f: {
DIP("lacd r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I64);
assign(addr, getIReg(regRs));
assign(new, mkU64(0));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
/* Load Atomic Add Word - LAA; Cavium OCTEON2 */
case 0x12: {
DIP("laa r%u,(r%u),r%u\n", regRd, regRs, regRt);
IRTemp new = newTemp(Ity_I32);
assign(addr, getIReg(regRs));
assign(new, binop(Iop_Add32,
load(Ity_I32, mkexpr(addr)),
mkNarrowTo32(ty, getIReg(regRt))));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Add Doubleword - LAAD; Cavium OCTEON2 */
case 0x13: {
DIP("laad r%u,(r%u),r%u\n", regRd, regRs, regRt);
IRTemp new = newTemp(Ity_I64);
assign (addr, getIReg(regRs));
assign(new, binop(Iop_Add64,
load(Ity_I64, mkexpr(addr)),
getIReg(regRt)));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
/* Load Atomic Swap Word - LAW; Cavium OCTEON2 */
case 0x16: {
DIP("law r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I32);
assign(addr, getIReg(regRs));
assign(new, mkNarrowTo32(ty, getIReg(regRt)));
mips_irgen_load_and_add32(addr, new, regRd, True);
break;
}
/* Load Atomic Swap Doubleword - LAWD; Cavium OCTEON2 */
case 0x17: {
DIP("lawd r%u,(r%u)\n", regRd, regRs);
IRTemp new = newTemp(Ity_I64);
assign(addr, getIReg(regRs));
assign(new, getIReg(regRt));
mips_irgen_load_and_add64(addr, new, regRd, True);
break;
}
default:
vex_printf("Unknown laxx instruction, opc3=0x%x\n", opc3);
vex_printf("Instruction=0x%08x\n", theInstr);
return False;
}
break;
}
/* Unsigned Byte Add - BADDU rd, rs, rt; Cavium OCTEON */
case 0x28: {
DIP("BADDU r%d, r%d, r%d", regRs, regRt, regRd);
IRTemp t0 = newTemp(Ity_I8);
assign(t0, binop(Iop_Add8,
mkNarrowTo8(ty, getIReg(regRs)),
mkNarrowTo8(ty, getIReg(regRt))));
if (mode64)
putIReg(regRd, binop(mkSzOp(ty, Iop_And8),
unop(Iop_8Uto64, mkexpr(t0)),
mkSzImm(ty, 0xFF)));
else
putIReg(regRd, binop(mkSzOp(ty, Iop_And8),
unop(Iop_8Uto32, mkexpr(t0)),
mkSzImm(ty, 0xFF)));
break;
}
case 0x2c: { /* Count Ones in a Word - POP; Cavium OCTEON */
int i, shift[5];
IRTemp mask[5];
IRTemp old = newTemp(ty);
IRTemp nyu = IRTemp_INVALID;
assign(old, getIReg(regRs));
DIP("pop r%d, r%d", regRd, regRs);
for (i = 0; i < 5; i++) {
mask[i] = newTemp(ty);
shift[i] = 1 << i;
}
if(mode64) {
assign(mask[0], mkU64(0x0000000055555555));
assign(mask[1], mkU64(0x0000000033333333));
assign(mask[2], mkU64(0x000000000F0F0F0F));
assign(mask[3], mkU64(0x0000000000FF00FF));
assign(mask[4], mkU64(0x000000000000FFFF));
for (i = 0; i < 5; i++) {
nyu = newTemp(ty);
assign(nyu,
binop(Iop_Add64,
binop(Iop_And64,
mkexpr(old), mkexpr(mask[i])),
binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(old), mkU8(shift[i])),
mkexpr(mask[i]))));
old = nyu;
}
} else {
assign(mask[0], mkU32(0x55555555));
assign(mask[1], mkU32(0x33333333));
assign(mask[2], mkU32(0x0F0F0F0F));
assign(mask[3], mkU32(0x00FF00FF));
assign(mask[4], mkU32(0x0000FFFF));
assign(old, getIReg(regRs));
for (i = 0; i < 5; i++) {
nyu = newTemp(ty);
assign(nyu,
binop(Iop_Add32,
binop(Iop_And32,
mkexpr(old), mkexpr(mask[i])),
binop(Iop_And32,
binop(Iop_Shr32,
mkexpr(old), mkU8(shift[i])),
mkexpr(mask[i]))));
old = nyu;
}
}
putIReg(regRd, mkexpr(nyu));
break;
}
/* Count Ones in a Doubleword - DPOP; Cavium OCTEON */
case 0x2d: {
int i, shift[6];
IRTemp mask[6];
IRTemp old = newTemp(ty);
IRTemp nyu = IRTemp_INVALID;
DIP("dpop r%d, r%d", regRd, regRs);
for (i = 0; i < 6; i++) {
mask[i] = newTemp(ty);
shift[i] = 1 << i;
}
vassert(mode64); /*Caution! Only for Mode 64*/
assign(mask[0], mkU64(0x5555555555555555ULL));
assign(mask[1], mkU64(0x3333333333333333ULL));
assign(mask[2], mkU64(0x0F0F0F0F0F0F0F0FULL));
assign(mask[3], mkU64(0x00FF00FF00FF00FFULL));
assign(mask[4], mkU64(0x0000FFFF0000FFFFULL));
assign(mask[5], mkU64(0x00000000FFFFFFFFULL));
assign(old, getIReg(regRs));
for (i = 0; i < 6; i++) {
nyu = newTemp(Ity_I64);
assign(nyu,
binop(Iop_Add64,
binop(Iop_And64,
mkexpr(old), mkexpr(mask[i])),
binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(old), mkU8(shift[i])),
mkexpr(mask[i]))));
old = nyu;
}
putIReg(regRd, mkexpr(nyu));
break;
}
case 0x32: /* 5. CINS rd, rs, p, lenm1 */
DIP("cins r%u, r%u, %d, %d\n", regRt, regRs, p, lenM1);
assign ( tmp , binop(Iop_Shl64, mkexpr(tmpRs),
mkU8(64-( lenM1+1 ))));
assign ( tmpRt, binop(Iop_Shr64, mkexpr( tmp ),
mkU8(64-(p+lenM1+1))));
putIReg( regRt, mkexpr(tmpRt));
break;
case 0x33: /* 6. CINS32 rd, rs, p+32, lenm1 */
DIP("cins32 r%u, r%u, %d, %d\n", regRt, regRs, p+32, lenM1);
assign ( tmp , binop(Iop_Shl64, mkexpr(tmpRs),
mkU8(64-( lenM1+1 ))));
assign ( tmpRt, binop(Iop_Shr64, mkexpr( tmp ),
mkU8(32-(p+lenM1+1))));
putIReg( regRt, mkexpr(tmpRt));
break;
case 0x3A: /* 3. EXTS rt, rs, p len */
DIP("exts r%u, r%u, %d, %d\n", regRt, regRs, p, lenM1);
size = lenM1 + 1; /* lenm1+1 */
UChar lsAmt = 64 - (p + size); /* p+lenm1+1 */
UChar rsAmt = 64 - size; /* lenm1+1 */
tmp = newTemp(Ity_I64);
assign(tmp, binop(Iop_Shl64, mkexpr(tmpRs), mkU8(lsAmt)));
putIReg(regRt, binop(Iop_Sar64, mkexpr(tmp), mkU8(rsAmt)));
break;
case 0x3B: /* 4. EXTS32 rt, rs, p len */
DIP("exts32 r%u, r%u, %d, %d\n", regRt, regRs, p, lenM1);
assign ( tmp , binop(Iop_Shl64, mkexpr(tmpRs),
mkU8(32-(p+lenM1+1))));
assign ( tmpRt, binop(Iop_Sar64, mkexpr(tmp),
mkU8(64-(lenM1+1))) );
putIReg( regRt, mkexpr(tmpRt));
break;
case 0x2B: /* 20. SNE rd, rs, rt */
DIP("sne r%d, r%d, r%d", regRd,regRs, regRt);
if (mode64)
putIReg(regRd, unop(Iop_1Uto64, binop(Iop_CmpNE64,
getIReg(regRs),
getIReg(regRt))));
else
putIReg(regRd,unop(Iop_1Uto32, binop(Iop_CmpNE32,
getIReg(regRs),
getIReg(regRt))));
break;
case 0x2A: /* Set Equals - SEQ; Cavium OCTEON */
DIP("seq r%d, r%d, %d", regRd, regRs, regRt);
if (mode64)
putIReg(regRd, unop(Iop_1Uto64,
binop(Iop_CmpEQ64, getIReg(regRs),
getIReg(regRt))));
else
putIReg(regRd, unop(Iop_1Uto32,
binop(Iop_CmpEQ32, getIReg(regRs),
getIReg(regRt))));
break;
case 0x2E: /* Set Equals Immediate - SEQI; Cavium OCTEON */
DIP("seqi r%d, r%d, %d", regRt, regRs, imm);
if (mode64)
putIReg(regRt, unop(Iop_1Uto64,
binop(Iop_CmpEQ64, getIReg(regRs),
mkU64(extend_s_10to64(imm)))));
else
putIReg(regRt, unop(Iop_1Uto32,
binop(Iop_CmpEQ32, getIReg(regRs),
mkU32(extend_s_10to32(imm)))));
break;
case 0x2F: /* Set Not Equals Immediate - SNEI; Cavium OCTEON */
DIP("snei r%d, r%d, %d", regRt, regRs, imm);
if (mode64)
putIReg(regRt, unop(Iop_1Uto64,
binop(Iop_CmpNE64,
getIReg(regRs),
mkU64(extend_s_10to64(imm)))));
else
putIReg(regRt, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
getIReg(regRs),
mkU32(extend_s_10to32(imm)))));
break;
default:
return False;
}
break;
} /* opc1 0x1C ends here*/
case 0x1F: {
switch(opc2) {
case 0x0A: { // lx - Load indexed instructions
switch (get_sa(theInstr)) {
case 0x00: { // LWX rd, index(base)
DIP("lwx r%d, r%d(r%d)", regRd, regRt, regRs);
LOADX_STORE_PATTERN;
putIReg(regRd, mkWidenFrom32(ty, load(Ity_I32, mkexpr(t1)),
True));
break;
}
case 0x08: { // LDX rd, index(base)
DIP("ldx r%d, r%d(r%d)", regRd, regRt, regRs);
vassert(mode64); /* Currently Implemented only for n64 */
LOADX_STORE_PATTERN;
putIReg(regRd, load(Ity_I64, mkexpr(t1)));
break;
}
case 0x06: { // LBUX rd, index(base)
DIP("lbux r%d, r%d(r%d)", regRd, regRt, regRs);
LOADX_STORE_PATTERN;
if (mode64)
putIReg(regRd, unop(Iop_8Uto64, load(Ity_I8,
mkexpr(t1))));
else
putIReg(regRd, unop(Iop_8Uto32, load(Ity_I8,
mkexpr(t1))));
break;
}
case 0x10: { // LWUX rd, index(base) (Cavium OCTEON)
DIP("lwux r%d, r%d(r%d)", regRd, regRt, regRs);
LOADX_STORE_PATTERN; /* same for both 32 and 64 modes*/
putIReg(regRd, mkWidenFrom32(ty, load(Ity_I32, mkexpr(t1)),
False));
break;
}
case 0x14: { // LHUX rd, index(base) (Cavium OCTEON)
DIP("lhux r%d, r%d(r%d)", regRd, regRt, regRs);
LOADX_STORE_PATTERN;
if (mode64)
putIReg(regRd,
unop(Iop_16Uto64, load(Ity_I16, mkexpr(t1))));
else
putIReg(regRd,
unop(Iop_16Uto32, load(Ity_I16, mkexpr(t1))));
break;
}
case 0x16: { // LBX rd, index(base) (Cavium OCTEON)
DIP("lbx r%d, r%d(r%d)", regRd, regRs, regRt);
LOADX_STORE_PATTERN;
if (mode64)
putIReg(regRd,
unop(Iop_8Sto64, load(Ity_I8, mkexpr(t1))));
else
putIReg(regRd,
unop(Iop_8Sto32, load(Ity_I8, mkexpr(t1))));
break;
}
default:
vex_printf("\nUnhandled LX instruction opc3 = %x\n",
get_sa(theInstr));
return False;
}
break;
}
} /* opc1 = 0x1F & opc2 = 0xA (LX) ends here*/
break;
} /* opc1 = 0x1F ends here*/
default:
return False;
} /* main opc1 switch ends here */
return True;
}
/*------------------------------------------------------------*/
/*--- Disassemble a single DSP ASE instruction ---*/
/*------------------------------------------------------------*/
static UInt disDSPInstr_MIPS_WRK ( UInt cins )
{
IRTemp t0, t1 = 0, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14,
t15, t16, t17;
UInt opcode, rs, rt, rd, sa, function, ac, ac_mfhilo, rddsp_mask,
wrdsp_mask, dsp_imm, shift;
opcode = get_opcode(cins);
rs = get_rs(cins);
rt = get_rt(cins);
rd = get_rd(cins);
sa = get_sa(cins);
function = get_function(cins);
ac = get_acNo(cins);
ac_mfhilo = get_acNo_mfhilo(cins);
rddsp_mask = get_rddspMask(cins);
wrdsp_mask = get_wrdspMask(cins);
dsp_imm = get_dspImm(cins);
shift = get_shift(cins);
switch (opcode) {
case 0x00: { /* Special */
switch (function) {
case 0x10: { /* MFHI */
DIP("mfhi ac%d r%d", ac_mfhilo, rd);
putIReg(rd, unop(Iop_64HIto32, getAcc(ac_mfhilo)));
break;
}
case 0x11: { /* MTHI */
DIP("mthi ac%d r%d", ac, rs);
t1 = newTemp(Ity_I32);
assign(t1, unop(Iop_64to32, getAcc(ac)));
putAcc(ac, binop(Iop_32HLto64, getIReg(rs), mkexpr(t1)));
break;
}
case 0x12: { /* MFLO */
DIP("mflo ac%d r%d", ac_mfhilo, rd);
putIReg(rd, unop(Iop_64to32, getAcc(ac_mfhilo)));
break;
}
case 0x13: { /* MTLO */
DIP("mtlo ac%d r%d", ac, rs);
t1 = newTemp(Ity_I32);
assign(t1, unop(Iop_64HIto32, getAcc(ac)));
putAcc(ac, binop(Iop_32HLto64, mkexpr(t1), getIReg(rs)));
break;
}
case 0x18: { /* MULT */
DIP("mult ac%d r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_MullS32, mkNarrowTo32(Ity_I32, getIReg(rs)),
mkNarrowTo32(Ity_I32, getIReg(rt))));
putAcc(ac, mkexpr(t1));
break;
}
case 0x19: { /* MULTU */
DIP("multu ac%d r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_MullU32, mkNarrowTo32(Ity_I32, getIReg(rs)),
mkNarrowTo32(Ity_I32,
getIReg(rt))));
putAcc(ac, mkexpr(t1));
break;
}
}
break;
}
case 0x1C: { /* Special2 */
switch (function) {
case 0x00: { /* MADD */
DIP("madd ac%d, r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t1, getAcc(ac));
assign(t2, binop(Iop_MullS32, getIReg(rs), getIReg(rt)));
assign(t3, binop(Iop_Add64, mkexpr(t1), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x01: { /* MADDU */
DIP("maddu ac%d r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t1, getAcc(ac));
assign(t2, binop(Iop_MullU32, getIReg(rs), getIReg(rt)));
assign(t3, binop(Iop_Add64, mkexpr(t2), mkexpr(t1)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x04: { /* MSUB */
DIP("msub ac%d r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t1, getAcc(ac));
assign(t2, binop(Iop_MullS32, getIReg(rs), getIReg(rt)));
assign(t3, binop(Iop_Sub64, mkexpr(t1), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x05: { /* MSUBU */
DIP("msubu ac%d r%d, r%d", ac, rs, rt);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t1, getAcc(ac));
assign(t2, binop(Iop_MullU32, getIReg(rs), getIReg(rt)));
assign(t3, binop(Iop_Sub64, mkexpr(t1), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
}
break;
}
case 0x1F: { /* Special3 */
switch (function) {
case 0x12: { /* ABSQ_S.PH */
switch (sa) {
case 0x1: { /* ABSQ_S.QB */
DIP("absq_s.qb r%d, r%d", rd, rt);
vassert(!mode64);
t0 = newTemp(Ity_I8);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I8);
t8 = newTemp(Ity_I8);
t9 = newTemp(Ity_I1);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I8);
t12 = newTemp(Ity_I8);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I1);
t15 = newTemp(Ity_I8);
t16 = newTemp(Ity_I32);
t17 = newTemp(Ity_I32);
/* Absolute value of the rightmost byte (bits 7-0). */
/* t0 - rightmost byte. */
assign(t0, unop(Iop_16to8, unop(Iop_32to16, getIReg(rt))));
/* t1 holds 1 if t0 is equal to 0x80, or 0 otherwise. */
assign(t1, binop(Iop_CmpEQ32,
unop(Iop_8Uto32, mkexpr(t0)),
mkU32(0x00000080)));
/* t2 holds 1 if value in t0 is negative, 0 otherwise. */
assign(t2, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00000080)),
mkU8(0x7))));
/* t3 holds abs(t0). */
assign(t3, IRExpr_ITE(mkexpr(t1),
mkU8(0x7F),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Add8,
unop(Iop_Not8,
mkexpr(t0)),
mkU8(0x1)),
mkexpr(t0))));
/* Absolute value of bits 15-8. */
/* t4 - input byte. */
assign(t4,
unop(Iop_16HIto8, unop(Iop_32to16, getIReg(rt))));
/* t5 holds 1 if t4 is equal to 0x80, or 0 otherwise. */
assign(t5, binop(Iop_CmpEQ32,
unop(Iop_8Uto32, mkexpr(t4)),
mkU32(0x00000080)));
/* t6 holds 1 if value in t4 is negative, 0 otherwise. */
assign(t6, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
mkU8(15))));
/* t3 holds abs(t4). */
assign(t7, IRExpr_ITE(mkexpr(t5),
mkU8(0x7F),
IRExpr_ITE(mkexpr(t6),
binop(Iop_Add8,
unop(Iop_Not8,
mkexpr(t4)),
mkU8(0x1)),
mkexpr(t4))));
/* Absolute value of bits 23-15. */
/* t8 - input byte. */
assign(t8,
unop(Iop_16to8, unop(Iop_32HIto16, getIReg(rt))));
/* t9 holds 1 if t8 is equal to 0x80, or 0 otherwise. */
assign(t9, binop(Iop_CmpEQ32,
unop(Iop_8Uto32, mkexpr(t8)),
mkU32(0x00000080)));
/* t6 holds 1 if value in t8 is negative, 0 otherwise. */
assign(t10, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00800000)),
mkU8(23))));
/* t3 holds abs(t8). */
assign(t11, IRExpr_ITE(mkexpr(t9),
mkU8(0x7F),
IRExpr_ITE(mkexpr(t10),
binop(Iop_Add8,
unop(Iop_Not8,
mkexpr(t8)),
mkU8(0x1)),
mkexpr(t8))));
/* Absolute value of bits 31-24. */
/* t12 - input byte. */
assign(t12,
unop(Iop_16HIto8, unop(Iop_32HIto16, getIReg(rt))));
/* t13 holds 1 if t12 is equal to 0x80, or 0 otherwise. */
assign(t13, binop(Iop_CmpEQ32,
unop(Iop_8Uto32, mkexpr(t12)),
mkU32(0x00000080)));
/* t14 holds 1 if value in t12 is negative, 0 otherwise. */
assign(t14, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31))));
/* t15 holds abs(t12). */
assign(t15, IRExpr_ITE(mkexpr(t13),
mkU8(0x7F),
IRExpr_ITE(mkexpr(t14),
binop(Iop_Add8,
unop(Iop_Not8,
mkexpr(t12)),
mkU8(0x1)),
mkexpr(t12))));
/* t16 holds !0 if any of input bytes is 0x80 or 0
otherwise. */
assign(t16,
binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t13)),
unop(Iop_1Sto32, mkexpr(t9))),
unop(Iop_1Sto32, mkexpr(t5))),
unop(Iop_1Sto32, mkexpr(t1))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t16),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000))));
/* t17 = t15|t11|t7|t3 */
assign(t17,
binop(Iop_16HLto32,
binop(Iop_8HLto16, mkexpr(t15), mkexpr(t11)),
binop(Iop_8HLto16, mkexpr(t7), mkexpr(t3))));
putIReg(rd, mkexpr(t17));
break;
}
case 0x2: { /* REPL.QB */
DIP("repl.qb r%d, %d", rd, dsp_imm);
vassert(!mode64);
putIReg(rd, mkU32((dsp_imm << 24) | (dsp_imm << 16) |
(dsp_imm << 8) | (dsp_imm)));
break;
}
case 0x3: { /* REPLV.QB */
DIP("replv.qb r%d, r%d", rd, rt);
vassert(!mode64);
t0 = newTemp(Ity_I8);
assign(t0, unop(Iop_32to8,
binop(Iop_And32, getIReg(rt), mkU32(0xff))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16, mkexpr(t0), mkexpr(t0)),
binop(Iop_8HLto16, mkexpr(t0), mkexpr(t0))));
break;
}
case 0x4: { /* PRECEQU.PH.QBL */
DIP("precequ.ph.qbl r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff000000)),
mkU8(1)),
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff0000)),
mkU8(9))));
break;
}
case 0x5: { /* PRECEQU.PH.QBR */
DIP("precequ.ph.qbr r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x0000ff00)),
mkU8(15)),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x000000ff)),
mkU8(7))));
break;
}
case 0x6: { /* PRECEQU.PH.QBLA */
DIP("precequ.ph.qbla r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff000000)),
mkU8(1)),
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x0000ff00)),
mkU8(1))));
break;
}
case 0x7: { /* PRECEQU.PH.QBRA */
DIP("precequ.ph.qbra r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff0000)),
mkU8(7)),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x000000ff)),
mkU8(7))));
break;
}
case 0x9: { /* ABSQ_S.PH */
DIP("absq_s.ph r%d, r%d", rd, rt);
vassert(!mode64);
t0 = newTemp(Ity_I16);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I16);
t4 = newTemp(Ity_I16);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I16);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
/* t0 holds lower 16 bits of value in rt. */
assign(t0, unop(Iop_32to16, getIReg(rt)));
/* t1 holds 1 if t0 is equal to 0x8000. */
assign(t1, binop(Iop_CmpEQ32,
unop(Iop_16Uto32, mkexpr(t0)),
mkU32(0x00008000)));
/* t2 holds 1 if value in t0 is negative, 0 otherwise. */
assign(t2, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
mkU8(15))));
/* t3 holds abs(t0). */
assign(t3, IRExpr_ITE(mkexpr(t1),
mkU16(0x7FFF),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Add16,
unop(Iop_Not16,
mkexpr(t0)),
mkU16(0x1)),
mkexpr(t0))));
/* t4 holds lower 16 bits of value in rt. */
assign(t4, unop(Iop_32HIto16, getIReg(rt)));
/* t5 holds 1 if t4 is equal to 0x8000. */
assign(t5, binop(Iop_CmpEQ32,
unop(Iop_16Uto32, mkexpr(t4)),
mkU32(0x00008000)));
/* t6 holds 1 if value in t4 is negative, 0 otherwise. */
assign(t6, unop(Iop_32to1,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31))));
/* t7 holds abs(t4). */
assign(t7, IRExpr_ITE(mkexpr(t5),
mkU16(0x7FFF),
IRExpr_ITE(mkexpr(t6),
binop(Iop_Add16,
unop(Iop_Not16,
mkexpr(t4)),
mkU16(0x1)),
mkexpr(t4))));
/* If any of the two input halfwords is equal 0x8000,
set bit 20 in DSPControl register. */
assign(t8, binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t1))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t8),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000))));
/* t9 = t7|t3 */
assign(t9, binop(Iop_16HLto32, mkexpr(t7), mkexpr(t3)));
putIReg(rd, mkexpr(t9));
break;
}
case 0xA: { /* REPL.PH */
DIP("repl.ph r%d, %d", rd, dsp_imm);
vassert(!mode64);
UShort immediate = extend_s_10to16(dsp_imm);
putIReg(rd, mkU32(immediate << 16 | immediate));
break;
}
case 0xB: { /* REPLV.PH */
DIP("replv.ph r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16, getIReg(rt))));
break;
}
case 0xC: { /* PRECEQ.W.PHL */
DIP("preceq.w.phl r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_And32,
getIReg(rt),
mkU32(0xffff0000)));
break;
}
case 0xD: { /* PRECEQ.W.PHR */
DIP("preceq.w.phr r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, getIReg(rt)),
mkU16(0x0)));
break;
}
case 0x11: { /* ABSQ_S.W */
DIP("absq_s.w r%d, r%d", rd, rt);
vassert(!mode64);
t0 = newTemp(Ity_I1);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
assign(t0,
binop(Iop_CmpEQ32, getIReg(rt), mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(mkexpr(t0),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
assign(t1, binop(Iop_CmpLT32S, getIReg(rt), mkU32(0x0)));
assign(t2, IRExpr_ITE(mkexpr(t0),
mkU32(0x7FFFFFFF),
IRExpr_ITE(mkexpr(t1),
binop(Iop_Add32,
unop(Iop_Not32,
getIReg(rt)),
mkU32(0x1)),
getIReg(rt))));
putIReg(rd, mkexpr(t2));
break;
}
case 0x1B: { /* BITREV */
DIP("bitrev r%d, r%d", rd, rt);
vassert(!mode64);
/* 32bit reversal as seen on Bit Twiddling Hacks site
http://graphics.stanford.edu/~seander/bithacks.html
section ReverseParallel */
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
assign(t1, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xaaaaaaaa)),
mkU8(0x1)),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x55555555)),
mkU8(0x1))));
assign(t2, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0xcccccccc)),
mkU8(0x2)),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0x33333333)),
mkU8(0x2))));
assign(t3, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0xf0f0f0f0)),
mkU8(0x4)),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x0f0f0f0f)),
mkU8(0x4))));
assign(t4, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff00ff00)),
mkU8(0x8)),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x00ff00ff)),
mkU8(0x8))));
assign(t5, binop(Iop_Or32,
binop(Iop_Shr32,
mkexpr(t4),
mkU8(0x10)),
binop(Iop_Shl32,
mkexpr(t4),
mkU8(0x10))));
putIReg(rd, binop(Iop_Shr32,
mkexpr(t5),
mkU8(16)));
break;
}
case 0x1C: { /* PRECEU.PH.QBL */
DIP("preceu.ph.qbl r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff000000)),
mkU8(8)),
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff0000)),
mkU8(16))));
break;
}
case 0x1E: { /* PRECEU.PH.QBLA */
DIP("preceu.ph.qbla r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff000000)),
mkU8(8)),
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x0000ff00)),
mkU8(8))));
break;
}
case 0x1D: { /* PRECEU.PH.QBR */
DIP("preceu.ph.qbr r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x0000ff00)),
mkU8(8)),
binop(Iop_And32,
getIReg(rt),
mkU32(0x000000ff))));
break;
}
case 0x1F: { /* PRECEU.PH.QBRA */
DIP("preceu.ph.qbra r%d, r%d", rd, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_Or32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff0000)),
binop(Iop_And32,
getIReg(rt),
mkU32(0x000000ff))));
break;
}
default:
return -1;
}
break; /* end of ABSQ_S.PH */
}
case 0x38: { /* EXTR.W */
switch(sa) {
case 0x0: { /* EXTR.W */
DIP("extr.w r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
if (0 == rs) {
assign(t1, mkexpr(t0));
} else {
assign(t1, binop(Iop_Sar64, mkexpr(t0), mkU8(rs)));
}
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least sifgnificant bit of the shifted value
from acc. */
if (0 == rs) {
assign(t8, mkU64(0x0ULL));
} else {
assign(t8, binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(t0),
mkU8(rs-1)),
mkU64(0x1ULL)));
}
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
if (0 == rs) {
putIReg(rt, unop(Iop_64to32, mkexpr(t0)));
} else {
putIReg(rt, unop(Iop_64to32, mkexpr(t1)));
}
break;
}
case 0x1: { /* EXTRV.W */
DIP("extrv.w r%d, ac%d, r%d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
t15 = newTemp(Ity_I8);
assign(t15, unop(Iop_32to8,
binop(Iop_And32,
getIReg(rs),
mkU32(0x1f))));
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Sar64, mkexpr(t0), mkexpr(t15)));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
mkexpr(t15)),
mkU32(0)),
unop(Iop_64to32, mkexpr(t0)),
unop(Iop_64to32, mkexpr(t1))));
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least sifgnificant bit of the shifted value
from acc. */
assign(t8,
IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
mkexpr(t15)),
mkU32(0)),
mkU64(0x0ULL),
binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Sub32,
unop(Iop_8Uto32,
mkexpr(t15)),
mkU32(1)))),
mkU64(0x1ULL))));
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
break;
}
case 0x2: { /* EXTP */
DIP("extp r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
/* Extract pos field of DSPControl register. */
assign(t1, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
/* Check if (pos - size) >= 0 [size <= pos]
if (pos < size)
put 1 to EFI field of DSPControl register
else
extract bits from acc and put 0 to EFI field of
DSPCtrl */
assign(t2, binop(Iop_CmpLT32U, mkexpr(t1), mkU32(rs)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff)),
mkU32(0x4000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff))));
/* If pos <= 31, shift right the value from the acc
(pos-size) times and take (size+1) bits from the least
significant positions. Otherwise, shift left the value
(63-pos) times, take (size+1) bits from the most
significant positions and shift right (31-size) times.*/
assign(t3, binop(Iop_CmpLE32U, mkexpr(t1), mkU32(31)));
assign(t4,
IRExpr_ITE(mkexpr(t3),
unop(Iop_32to8,
binop(Iop_Sub32,
mkexpr(t1), mkU32(rs))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(63), mkexpr(t1)))));
assign(t5, IRExpr_ITE(mkexpr(t3),
binop(Iop_Shr64,
mkexpr(t0), mkexpr(t4)),
binop(Iop_Shl64,
mkexpr(t0), mkexpr(t4))));
/* t6 holds a mask for bit extraction */
assign(t6,
IRExpr_ITE(mkexpr(t3),
unop(Iop_Not64,
binop(Iop_Shl64,
mkU64(0xffffffffffffffffULL),
mkU8(rs+1))),
unop(Iop_Not64,
binop(Iop_Shr64,
mkU64(0xffffffffffffffffULL),
mkU8(rs+1)))));
assign(t7, IRExpr_ITE(mkexpr(t3),
unop(Iop_64to32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
binop(Iop_Shr32,
unop(Iop_64HIto32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
mkU8(31-rs))));
putIReg(rt, mkexpr(t7));
break;
}
case 0x3: { /* EXTPV */
DIP("extpv r%d, ac%d, r%d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t8, binop(Iop_And32, getIReg(rs), mkU32(0x1f)));
assign(t0, getAcc(ac));
/* Extract pos field of DSPControl register. */
assign(t1, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
/* Check if (pos - size) >= 0 [size <= pos]
if (pos < size)
put 1 to EFI field of DSPControl register
else
extract bits from acc and put 0 to EFI field of
DSPCtrl */
assign(t2, binop(Iop_CmpLT32U, mkexpr(t1), mkexpr(t8)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff)),
mkU32(0x4000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff))));
/* If pos <= 31, shift right the value from the acc
(pos-size) times and take (size+1) bits from the least
significant positions. Otherwise, shift left the value
(63-pos) times, take (size+1) bits from the most
significant positions and shift right (31-size)
times. */
assign(t3, binop(Iop_CmpLE32U, mkexpr(t1), mkU32(31)));
assign(t4,
IRExpr_ITE(mkexpr(t3),
unop(Iop_32to8,
binop(Iop_Sub32,
mkexpr(t1), mkexpr(t8))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(63), mkexpr(t1)))));
assign(t5, IRExpr_ITE(mkexpr(t3),
binop(Iop_Shr64,
mkexpr(t0), mkexpr(t4)),
binop(Iop_Shl64,
mkexpr(t0), mkexpr(t4))));
/* t6 holds a mask for bit extraction. */
assign(t6,
IRExpr_ITE(mkexpr(t3),
unop(Iop_Not64,
binop(Iop_Shl64,
mkU64(0xffffffffffffffffULL),
unop(Iop_32to8,
binop(Iop_Add32,
mkexpr(t8),
mkU32(1))))),
unop(Iop_Not64,
binop(Iop_Shr64,
mkU64(0xffffffffffffffffULL),
unop(Iop_32to8,
binop(Iop_Add32,
mkexpr(t8),
mkU32(1)))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
unop(Iop_64to32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
binop(Iop_Shr32,
unop(Iop_64HIto32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(31),
mkexpr(t8))))));
putIReg(rt, mkexpr(t7));
break;
}
case 0x4: { /* EXTR_R.W */
DIP("extr_r.w r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
t15 = newTemp(Ity_I64);
t16 = newTemp(Ity_I1);
assign(t0, getAcc(ac));
assign(t16, binop(Iop_CmpEQ32,
mkU32(rs),
mkU32(0)));
assign(t1, IRExpr_ITE(mkexpr(t16),
mkexpr(t0),
binop(Iop_Sar64,
mkexpr(t0),
mkU8(rs))));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least significant bit of the shifted value
from acc. */
assign(t15, binop(Iop_Shr64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Sub32,
binop(Iop_And32,
mkU32(rs),
mkU32(0x1f)),
mkU32(1)))));
assign(t8,
IRExpr_ITE(mkexpr(t16),
mkU64(0x0ULL),
binop(Iop_And64,
mkexpr(t15),
mkU64(0x0000000000000001ULL))));
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
putIReg(rt, unop(Iop_64to32, mkexpr(t9)));
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
break;
}
case 0x5: { /* EXTRV_R.W */
DIP("extrv_r.w r%d, ac%d, r%d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
t15 = newTemp(Ity_I8);
assign(t15, unop(Iop_32to8,
binop(Iop_And32,
getIReg(rs),
mkU32(0x1f))));
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Sar64, mkexpr(t0), mkexpr(t15)));
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least sifgnificant bit of the shifted value
from acc. */
assign(t8,
IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
mkexpr(t15)),
mkU32(0)),
mkU64(0x0ULL),
binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Sub32,
unop(Iop_8Uto32,
mkexpr(t15)),
mkU32(1)))),
mkU64(0x1ULL))));
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
/* Put rounded value in destination register. */
putIReg(rt, unop(Iop_64to32, mkexpr(t9)));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
break;
}
case 0x6: { /* EXTR_RS.W */
DIP("extr_rs.w r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
t16 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
if (0 == rs) {
assign(t1, mkexpr(t0));
} else {
assign(t1, binop(Iop_Sar64, mkexpr(t0), mkU8(rs)));
}
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least sifgnificant bit of the shifted value
from acc. */
if (0 == rs) {
assign(t8, mkU64(0x0ULL));
} else {
assign(t8, binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(t0),
mkU8(rs-1)),
mkU64(0x1ULL)));
}
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
assign(t16, binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0x80000000)));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t16),
mkU32(0)),
mkU32(0x7fffffff),
mkU32(0x80000000)),
unop(Iop_64to32, mkexpr(t9))));
break;
}
case 0x7: { /* EXTRV_RS.W */
DIP("extrv_rs.w r%d, ac%d, r%d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I32);
t15 = newTemp(Ity_I32);
t16 = newTemp(Ity_I32);
t17 = newTemp(Ity_I1);
assign(t15, binop(Iop_And32,
getIReg(rs),
mkU32(0x1f)));
assign(t17, binop(Iop_CmpEQ32,
mkexpr(t15),
mkU32(0)));
assign(t0, getAcc(ac));
assign(t1, IRExpr_ITE(mkexpr(t17),
mkexpr(t0),
binop(Iop_Sar64,
mkexpr(t0),
unop(Iop_32to8,
mkexpr(t15)))));
/* Check if bits 63..31 of the result in t1 aren't 0. */
assign(t3, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0)));
/* Check if bits 63..31 of the result in t1 aren't
0x1ffffffff. */
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t1)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)),
mkU32(0x80000000)));
/* If bits 63..31 aren't 0 nor 0x1ffffffff, set DSP
control register. */
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t5)),
unop(Iop_1Sto32, mkexpr(t6)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t7),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* If the last discarded bit is 1, there would be carry
when rounding, otherwise there wouldn't. We use that
fact and just add the value of the last discarded bit
to the least sifgnificant bit of the shifted value
from acc. */
assign(t8,
IRExpr_ITE(mkexpr(t17),
mkU64(0x0ULL),
binop(Iop_And64,
binop(Iop_Shr64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Sub32,
mkexpr(t15),
mkU32(1)))),
mkU64(0x1ULL))));
assign(t9, binop(Iop_Add64, mkexpr(t1), mkexpr(t8)));
/* Repeat previous steps for the rounded value. */
assign(t10, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0)));
assign(t11, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0)));
assign(t12, binop(Iop_CmpNE32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0xffffffff)));
assign(t13, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x80000000)));
assign(t14, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t11))),
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t12)),
unop(Iop_1Sto32, mkexpr(t13)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
assign(t16, binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0x80000000)));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t14),
mkU32(0)),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t16),
mkU32(0)),
mkU32(0x7fffffff),
mkU32(0x80000000)),
unop(Iop_64to32, mkexpr(t9))));
break;
}
case 0xA: { /* EXTPDP */
DIP("extpdp r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
/* Extract pos field of DSPControl register. */
assign(t1, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
/* Check if (pos - size) >= 0 [size <= pos]
if (pos < size)
put 1 to EFI field of DSPControl register
else
extract bits from acc and put 0 to EFI field of
DSPCtrl */
assign(t2, binop(Iop_CmpLT32U, mkexpr(t1), mkU32(rs)));
assign(t8, binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfc0)),
binop(Iop_And32,
binop(Iop_Sub32,
binop(Iop_And32,
getDSPControl(),
mkU32(0x3f)),
mkU32(rs+1)),
mkU32(0x3f))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff)),
mkU32(0x4000)),
mkexpr(t8)));
/* If pos <= 31, shift right the value from the acc
(pos-size) times and take (size+1) bits from the least
significant positions. Otherwise, shift left the value
(63-pos) times, take (size+1) bits from the most
significant positions and shift right (31-size) times.
*/
assign(t3, binop(Iop_CmpLE32U, mkexpr(t1), mkU32(31)));
assign(t4,
IRExpr_ITE(mkexpr(t3),
unop(Iop_32to8,
binop(Iop_Sub32,
mkexpr(t1), mkU32(rs))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(63), mkexpr(t1)))));
assign(t5, IRExpr_ITE(mkexpr(t3),
binop(Iop_Shr64,
mkexpr(t0), mkexpr(t4)),
binop(Iop_Shl64,
mkexpr(t0), mkexpr(t4))));
/* t6 holds a mask for bit extraction. */
assign(t6,
IRExpr_ITE(mkexpr(t3),
unop(Iop_Not64,
binop(Iop_Shl64,
mkU64(0xffffffffffffffffULL),
mkU8(rs+1))),
unop(Iop_Not64,
binop(Iop_Shr64,
mkU64(0xffffffffffffffffULL),
mkU8(rs+1)))));
assign(t7, IRExpr_ITE(mkexpr(t3),
unop(Iop_64to32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
binop(Iop_Shr32,
unop(Iop_64HIto32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
mkU8(31-rs))));
putIReg(rt, mkexpr(t7));
break;
}
case 0xB: { /* EXTPDPV */
DIP("extpdpv r%d, ac%d, r%d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
assign(t8, binop(Iop_And32, getIReg(rs), mkU32(0x1f)));
assign(t0, getAcc(ac));
/* Extract pos field of DSPControl register. */
assign(t1, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
/* Check if (pos - size) >= 0 [size <= pos]
if (pos < size)
put 1 to EFI field of DSPControl register
else
extract bits from acc and put 0 to EFI field of
DSPCtrl */
assign(t2, binop(Iop_CmpLT32U, mkexpr(t1), mkexpr(t8)));
assign(t9, binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfc0)),
binop(Iop_And32,
binop(Iop_Sub32,
binop(Iop_And32,
getDSPControl(),
mkU32(0x3f)),
binop(Iop_Add32,
mkexpr(t8),
mkU32(0x1))),
mkU32(0x3f))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffbfff)),
mkU32(0x4000)),
mkexpr(t9)));
/* If pos <= 31, shift right the value from the acc
(pos-size) times and take (size+1) bits from the least
significant positions. Otherwise, shift left the value
(63-pos) times, take (size+1) bits from the most
significant positions and shift right (31-size) times.
*/
assign(t3, binop(Iop_CmpLE32U, mkexpr(t1), mkU32(31)));
assign(t4,
IRExpr_ITE(mkexpr(t3),
unop(Iop_32to8,
binop(Iop_Sub32,
mkexpr(t1), mkexpr(t8))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(63), mkexpr(t1)))));
assign(t5, IRExpr_ITE(mkexpr(t3),
binop(Iop_Shr64,
mkexpr(t0), mkexpr(t4)),
binop(Iop_Shl64,
mkexpr(t0), mkexpr(t4))));
/* t6 holds a mask for bit extraction. */
assign(t6,
IRExpr_ITE(mkexpr(t3),
unop(Iop_Not64,
binop(Iop_Shl64,
mkU64(0xffffffffffffffffULL),
unop(Iop_32to8,
binop(Iop_Add32,
mkexpr(t8),
mkU32(1))))),
unop(Iop_Not64,
binop(Iop_Shr64,
mkU64(0xffffffffffffffffULL),
unop(Iop_32to8,
binop(Iop_Add32,
mkexpr(t8),
mkU32(1)))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
unop(Iop_64to32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
binop(Iop_Shr32,
unop(Iop_64HIto32,
binop(Iop_And64,
mkexpr(t5),
mkexpr(t6))),
unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(31),
mkexpr(t8))))));
putIReg(rt, mkexpr(t7));
break;
}
case 0xE: { /* EXTR_S.H */
DIP("extr_s.h r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Sar64, mkexpr(t0), mkU8(rs)));
assign(t2, binop(Iop_Or32,
getDSPControl(), mkU32(0x00800000)));
assign(t9, binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t9),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t0)),
mkU32(0x80000000))),
mkexpr(t2),
getDSPControl()));
/* Check if t1 > 0x7fff ((t1 - 0x7fff) > 0)
1. subtract 0x7fff from t1
2. if the resulting number is positive (sign bit = 0)
and any of the other bits is 1, the value is > 0. */
assign(t3, binop(Iop_Sub64,
mkexpr(t1),
mkU64(0x0000000000007fffULL)));
assign(t4, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t3)),
mkU32(0x7fffffff)))),
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
unop(Iop_64to32,
mkexpr(t3))))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t3)),
mkU32(0x80000000)),
mkU32(0)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t4)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* Check if t1<0xffffffffffff8000 (0xffffffffffff8000-t1)>0
1. subtract t1 from 0xffffffffffff8000
2. if the resulting number is positive (sign bit = 0)
and any of the other bits is 1, the value is > 0 */
assign(t6, binop(Iop_Sub64,
mkU64(0xffffffffffff8000ULL),
mkexpr(t1)));
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t6)),
mkU32(0x7fffffff)))),
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
unop(Iop_64to32,
mkexpr(t6))))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t6)),
mkU32(0x80000000)),
mkU32(0)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t7)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t4)),
mkU32(0x00007fff),
IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t7)),
mkU32(0xffff8000),
unop(Iop_64to32,
mkexpr(t1)))));
break;
}
case 0xF: { /* EXTRV_S.H */
DIP("extrv_s.h r%d, ac%d, %d", rt, ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Sar64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_And32,
getIReg(rs),
mkU32(0x1f)))));
assign(t2, binop(Iop_Or32,
getDSPControl(), mkU32(0x00800000)));
assign(t9, binop(Iop_And32,
unop(Iop_64to32,
mkexpr(t1)),
mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t9),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t0)),
mkU32(0x80000000))),
mkexpr(t2),
getDSPControl()));
/* Check if t1 > 0x7fff ((t1 - 0x7fff) > 0)
1. subtract 0x7fff from t1
2. if the resulting number is positive (sign bit = 0)
and any of the other bits is 1, the value is > 0. */
assign(t3, binop(Iop_Sub64,
mkexpr(t1),
mkU64(0x0000000000007fffULL)));
assign(t4, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t3)),
mkU32(0x7fffffff)))),
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
unop(Iop_64to32,
mkexpr(t3))))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t3)),
mkU32(0x80000000)),
mkU32(0)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t4)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
/* Check if t1<0xffffffffffff8000 (0xffffffffffff8000-t1)>0
1. subtract t1 from 0xffffffffffff8000
2. if the resulting number is positive (sign bit = 0)
and any of the other bits is 1, the value is > 0 */
assign(t6, binop(Iop_Sub64,
mkU64(0xffffffffffff8000ULL),
mkexpr(t1)));
assign(t7, binop(Iop_And32,
binop(Iop_Or32,
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t6)),
mkU32(0x7fffffff)))),
unop(Iop_1Sto32,
binop(Iop_CmpNE32,
mkU32(0),
unop(Iop_64to32,
mkexpr(t6))))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t6)),
mkU32(0x80000000)),
mkU32(0)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t7)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00800000)),
getDSPControl()));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t4)),
mkU32(0x00007fff),
IRExpr_ITE(binop(Iop_CmpNE32,
mkU32(0),
mkexpr(t7)),
mkU32(0xffff8000),
unop(Iop_64to32,
mkexpr(t1)))));
break;
}
case 0x12: { /* RDDSP*/
DIP("rddsp r%d, mask 0x%x", rd, rddsp_mask);
vassert(!mode64);
putIReg(rd, mkU32(0x0));
if ((rddsp_mask & 0x1) == 0x1) {
/* Read pos field (bits 5-0) of DSPControl register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0x0000003F))));
}
if ((rddsp_mask & 0x2) == 0x2) {
/* Read scount field (bits 12-7) of DSPControl
register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0x00001F80))));
}
if ((rddsp_mask & 0x4) == 0x4) {
/* Read C field (bit 13) of DSPControl register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0x00002000))));
}
if ((rddsp_mask & 0x8) == 0x8) {
/* Read outflag field (bit s 23-16) of DSPControl
register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0x00FF0000))));
}
if ((rddsp_mask & 0x10) == 0x10) {
/* Read ccond field (bits 31-24) of DSPControl
register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0xFF000000))));
}
if ((rddsp_mask & 0x20) == 0x20) {
/* Read EFI field (bit 14) of DSPControl register. */
putIReg(rd, binop(Iop_Or32,
getIReg(rd),
binop(Iop_And32,
getDSPControl(),
mkU32(0x00004000))));
}
if ((rddsp_mask & 0x3f) == 0x3f) {
/* Read all fields of DSPControl register. */
putIReg(rd, getDSPControl());
}
break;
}
case 0x13: { /* WRDSP */
DIP("wrdsp r%d, mask 0x%x", rs, wrdsp_mask);
vassert(!mode64);
if ((wrdsp_mask & 0x3f) == 0x3f) {
/* If mips64 put all fields of rs, except bit 15 and bit
6, to DSPControl register, otherwise put all except
bits 15, 6 and bits 31..28. */
putDSPControl(mode64 ?
binop(Iop_And32,
getIReg(rs),
mkU32(0xffff7fbf)) :
binop(Iop_And32,
getIReg(rs),
mkU32(0x0fff7fbf)));
} else {
if ((wrdsp_mask & 0x1) == 0x1) {
/* Put bits 5-0 of rs to DSPControl register pos
field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xFFFF7F40)),
binop(Iop_And32,
getIReg(rs),
mkU32(0x0000003F))));
}
if ((wrdsp_mask & 0x2) == 0x2) {
/* Put bits 12-7 of rs to DSPControl scount field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xFFFFE03F)),
binop(Iop_And32,
getIReg(rs),
mkU32(0x00001F80))));
}
if ((wrdsp_mask & 0x4) == 0x4) {
/* Put bit 13 of rs to DSPControl register C
field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xFFFF5FBF)),
binop(Iop_And32,
getIReg(rs),
mkU32(0x00002000))));
}
if ((wrdsp_mask & 0x8) == 0x8) {
/* Put bits 23-16 of rs to DSPControl reg outflag
field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xFF007FBF)),
binop(Iop_And32,
getIReg(rs),
mkU32(0x00FF0000))));
}
if ((wrdsp_mask & 0x10) == 0x10) {
/* Put bits 31-24 of rs to DSPControl reg ccond
field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0x00FF7FBF)),
binop(Iop_And32,
getIReg(rs),
mode64 ? mkU32(0xFF000000)
: mkU32(0x0F000000))
)
);
}
if ((wrdsp_mask & 0x20) == 0x20) {
/* Put bit 14 of rs to DSPControl register EFI
field. */
putDSPControl(binop(Iop_Or32,
binop(Iop_And32,
getDSPControl(),
mkU32(0xFFFF3FBF)),
binop(Iop_And32,
getIReg(rs),
mkU32(0x00004000))));
}
}
break;
}
case 0x1A: { /* SHILO */
DIP("shilo ac%d, %d", ac, shift);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
putAcc(ac, mkexpr(t0));
if (0x20 == (shift & 0x3f)) {
putAcc(ac, binop(Iop_32HLto64,
unop(Iop_64to32, mkexpr(t0)),
mkU32(0x0)));
} else if (0x20 == (shift & 0x20)) {
assign(t1, binop(Iop_Shl64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Add32,
unop(Iop_Not32,
mkU32(shift)),
mkU32(0x1)))));
putAcc(ac, mkexpr(t1));
} else {
assign(t1, binop(Iop_Shr64, mkexpr(t0), mkU8(shift)));
putAcc(ac, mkexpr(t1));
}
break;
}
case 0x1B: { /* SHILOV */
DIP("shilov ac%d, r%d", ac, rs);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_And32, getIReg(rs), mkU32(0x3f)));
assign(t2, binop(Iop_CmpEQ32, mkexpr(t1), mkU32(0x20)));
assign(t3, binop(Iop_Shl64,
mkexpr(t0),
unop(Iop_32to8,
binop(Iop_Add32,
unop(Iop_Not32,
mkexpr(t1)),
mkU32(0x1)))));
assign(t4, binop(Iop_Shr64,
mkexpr(t0),
unop(Iop_32to8,
mkexpr(t1))));
putAcc(ac,
IRExpr_ITE(mkexpr(t2),
binop(Iop_32HLto64,
unop(Iop_64to32, mkexpr(t0)),
mkU32(0x0)),
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0x20)),
mkU32(0x20)),
mkexpr(t3),
mkexpr(t4))));
break;
}
case 0x1F: { /* MTHLIP */
DIP("mthlip r%d, ac%d", rs, ac);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
assign(t0, getAcc(ac));
putAcc(ac, binop(Iop_32HLto64,
unop(Iop_64to32, mkexpr(t0)),
getIReg(rs)));
assign(t1, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpLE32U,
mkU32(32),
mkexpr(t1)),
binop(Iop_Or32,
binop(Iop_Sub32,
mkexpr(t1),
mkU32(32)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffffc0))),
binop(Iop_Or32,
binop(Iop_Add32,
mkexpr(t1),
mkU32(32)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffffc0)))));
break;
}
default:
return -1;
}
break; /* end of EXTR.W */
}
case 0xA: { /* LX */
switch(sa) {
case 0x0: { /* LWX */
DIP("lwx r%d, r%d(r%d)", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rt), getIReg(rs)));
putIReg(rd, load(Ity_I32, mkexpr(t0)));
break;
}
case 0x4: { /* LHX */
DIP("lhx r%d, r%d(r%d)", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rt), getIReg(rs)));
putIReg(rd, unop(Iop_16Sto32, load(Ity_I16, mkexpr(t0))));
break;
}
case 0x6: { /* LBUX */
DIP("lbux r%d, r%d(r%d)", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rt), getIReg(rs)));
putIReg(rd, unop(Iop_8Uto32, load(Ity_I8, mkexpr(t0))));
break;
}
default:
return -1;
}
break; /* end of LX */
}
case 0xC: { /* INSV */
switch(sa) {
case 0x0: { /* INSV */
DIP("insv r%d, r%d", rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
/* t0 <- pos field of DSPControl register. */
assign(t0, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
/* t1 <- scount field of DSPControl register. */
assign(t1, binop(Iop_Shr32,
binop(Iop_And32,
getDSPControl(),
mkU32(0x1f80)),
mkU8(7)));
assign(t2, unop(Iop_32to8,
binop(Iop_Add32,
mkexpr(t1),
mkexpr(t0))));
/* 32-(pos+size) most significant bits of rt. */
assign(t6, binop(Iop_Shl32,
binop(Iop_Shr32,
getIReg(rt),
mkexpr(t2)),
mkexpr(t2)));
assign(t3, unop(Iop_32to8,
binop(Iop_Sub32,
mkU32(32),
mkexpr(t0))));
/* Pos least significant bits of rt. */
assign(t7, binop(Iop_Shr32,
binop(Iop_Shl32,
getIReg(rt),
mkexpr(t3)),
mkexpr(t3)));
/* Size least significant bits of rs,
shifted to appropriate position. */
assign(t8, binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rs),
unop(Iop_Not32,
binop(Iop_Shl32,
mkU32(0xffffffff),
unop(Iop_32to8,
mkexpr(t1))))),
unop(Iop_32to8,
mkexpr(t0))));
putIReg(rt, IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t0),
mkU32(0)),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t1),
mkU32(32)),
getIReg(rs),
binop(Iop_Or32,
mkexpr(t6),
mkexpr(t8))),
IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
mkexpr(t2)),
mkU32(32)),
binop(Iop_Or32,
mkexpr(t7),
mkexpr(t8)),
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t6),
mkexpr(t7)),
mkexpr(t8)))));
break;
}
default:
return -1;
}
break; /* enf of INSV */
}
case 0x10: { /* ADDU.QB */
switch(sa) {
case 0x00: { /* ADDU.QB */
DIP("addu.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I32);
/* Add rightmost bytes of rs and rt. */
assign(t0,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
/* t1 will be 1 if there is overflow, 0 otherwise. */
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Add bits 15-8 of rs and rt. */
assign(t2,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
/* t3 will be 1 if there is overflow, 0 otherwise. */
assign(t3, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Add bits 15-8 of rs and rt. */
assign(t4,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t5 will be 1 if there is overflow, 0 otherwise. */
assign(t5, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Add bits 15-8 of rs and rt. */
assign(t6,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t7 will be 1 if there is overflow, 0 otherwise. */
assign(t7, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00000100)),
mkU32(0x00000100)));
assign(t8,
binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t7)),
unop(Iop_1Sto32, mkexpr(t5))),
unop(Iop_1Sto32, mkexpr(t3))),
unop(Iop_1Sto32, mkexpr(t1))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t8),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t6)),
unop(Iop_32to8, mkexpr(t4))),
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t2)),
unop(Iop_32to8, mkexpr(t0)))));
break;
}
case 0x1: { /* SUBU.QB */
DIP("subu.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I32);
/* Subtract rightmost bytes of rs and rt. */
assign(t0,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
/* t1 will be 1 if there is overflow, 0 otherwise. */
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Subtract bits 15-8 of rs and rt. */
assign(t2,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
/* t3 will be 1 if there is overflow, 0 otherwise. */
assign(t3, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Subtract bits 15-8 of rs and rt. */
assign(t4,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t5 will be 1 if there is overflow, 0 otherwise. */
assign(t5, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Subtract bits 15-8 of rs and rt. */
assign(t6,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t7 will be 1 if there is overflow, 0 otherwise. */
assign(t7, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00000100)),
mkU32(0x00000100)));
assign(t8, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t7)),
unop(Iop_1Sto32, mkexpr(t5))),
unop(Iop_1Sto32, mkexpr(t3))),
unop(Iop_1Sto32, mkexpr(t1))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t8),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t6)),
unop(Iop_32to8, mkexpr(t4))),
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t2)),
unop(Iop_32to8, mkexpr(t0)))));
break;
}
case 0x04: { /* ADDU_S.QB */
DIP("addu_s.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I8);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I8);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I8);
t12 = newTemp(Ity_I32);
/* Add rightmost bytes of rs and rt. */
assign(t0,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
/* t1 will be 1 if there is overflow, 0 otherwise. */
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Saturate if necessary. */
assign(t2, IRExpr_ITE(mkexpr(t1),
mkU8(0xff),
unop(Iop_32to8, mkexpr(t0))));
/* Add bits 15-8 of rs and rt. */
assign(t3,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
/* t4 will be 1 if there is overflow, 0 otherwise. */
assign(t4, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Saturate if necessary. */
assign(t5, IRExpr_ITE(mkexpr(t4),
mkU8(0xff),
unop(Iop_32to8, mkexpr(t3))));
/* Add bits 15-8 of rs and rt. */
assign(t6,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t7 will be 1 if there is overflow, 0 otherwise. */
assign(t7, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Saturate if necessary. */
assign(t8, IRExpr_ITE(mkexpr(t7),
mkU8(0xff),
unop(Iop_32to8, mkexpr(t6))));
/* Add bits 15-8 of rs and rt. */
assign(t9,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
/* t10 will be 1 if there is overflow, 0 otherwise. */
assign(t10, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t9),
mkU32(0x00000100)),
mkU32(0x00000100)));
/* Saturate if necessary. */
assign(t11, IRExpr_ITE(mkexpr(t10),
mkU8(0xff),
unop(Iop_32to8, mkexpr(t9))));
assign(t12,
binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
unop(Iop_1Sto32, mkexpr(t10)),
unop(Iop_1Sto32, mkexpr(t7))),
unop(Iop_1Sto32, mkexpr(t4))),
unop(Iop_1Sto32, mkexpr(t1))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t12),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16, mkexpr(t11), mkexpr(t8)),
binop(Iop_8HLto16, mkexpr(t5), mkexpr(t2))));
break;
}
case 0x05: { /* SUBU_S.QB */
DIP("subu_s.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
/* Use C function to easily calculate the result
and write it in the register more conveniently
Underflow is checked using step by step subtraction. */
assign(t1, binop(Iop_QSub8Ux4, getIReg(rs), getIReg(rt)));
/* Subtract each byte of rs and rt. */
assign(t6,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
assign(t7,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
assign(t8,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t9,
binop(Iop_Sub32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
/* Put 1 to bit 20 in DSPControl if there is underflow
in either byte. */
assign(t2, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00000100)),
mkU32(0x00000100)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
assign(t3, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t7),
mkU32(0x00000100)),
mkU32(0x00000100)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
assign(t4, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t8),
mkU32(0x00000100)),
mkU32(0x00000100)));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
assign(t5, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t9),
mkU32(0x00000100)),
mkU32(0x00000100)));
putDSPControl(IRExpr_ITE(mkexpr(t5),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, mkexpr(t1));
break;
}
case 0x6: { /* MULEU_S.PH.QBL */
DIP("muleu_s.ph.qbl r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
assign(t0,
unop(Iop_64to32,
binop(Iop_MullU32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t1,
unop(Iop_64to32,
binop(Iop_MullU32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))))));
assign(t2, binop(Iop_CmpNE32,
mkU32(0x0),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x03ff0000))));
assign(t3, binop(Iop_CmpNE32,
mkU32(0x0),
binop(Iop_And32,
mkexpr(t1),
mkU32(0x03ff0000))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x200000)),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x200000)),
getDSPControl())));
putIReg(rd,
binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t2),
mkU16(0xffff),
unop(Iop_32to16, mkexpr(t0))),
IRExpr_ITE(mkexpr(t3),
mkU16(0xffff),
unop(Iop_32to16, mkexpr(t1)))));
break;
}
case 0x7: { /* MULEU_S.PH.QBR */
DIP("muleu_s.ph.qbr r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
assign(t0, unop(Iop_64to32,
binop(Iop_MullU32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t1, unop(Iop_64to32,
binop(Iop_MullU32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))))));
assign(t2, binop(Iop_CmpNE32,
mkU32(0x0),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x03ff0000))));
assign(t3, binop(Iop_CmpNE32,
mkU32(0x0),
binop(Iop_And32,
mkexpr(t1),
mkU32(0x03ff0000))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x200000)),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x200000)),
getDSPControl())));
putIReg(rd, binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t2),
mkU16(0xffff),
unop(Iop_32to16,
mkexpr(t0))),
IRExpr_ITE(mkexpr(t3),
mkU16(0xffff),
unop(Iop_32to16,
mkexpr(t1)))));
break;
}
case 0x08: { /* ADDU.PH */
DIP("addu.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
/* Add lower halves. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt)))));
/* Detect overflow. */
assign(t1, binop(Iop_CmpLT32U,
unop(Iop_16Uto32,
unop(Iop_32to16, mkexpr(t0))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs)))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Add higher halves. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Detect overflow. */
assign(t3, binop(Iop_CmpLT32U,
unop(Iop_16Uto32,
unop(Iop_32to16, mkexpr(t2))),
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs)))));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t2)),
unop(Iop_32to16, mkexpr(t0))));
break;
}
case 0x9: { /* SUBU.PH */
DIP("subu.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
/* Substract lower halves. */
assign(t0, binop(Iop_Sub32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt)))));
/* Detect underflow. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00010000)),
mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Subtract higher halves. */
assign(t2, binop(Iop_Sub32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Detect underflow. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00010000)),
mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t2)),
unop(Iop_32to16, mkexpr(t0))));
break;
}
case 0xA: { /* ADDQ.PH */
DIP("addq.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
/* Add lower halves. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t6, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t0))),
mkU32(0x1)));
/* Detect overflow. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x8000)),
mkU8(15)),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Add higher halves. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t7, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x1)));
/* Detect overflow. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15)),
mkexpr(t7)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t2)),
unop(Iop_32to16, mkexpr(t0))));
break;
}
case 0xB: { /* SUBQ.PH */
DIP("subq.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
/* Subtract lower halves. */
assign(t0, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t6, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t0))),
mkU32(0x1)));
/* Compare the signs of input value and the result. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x8000)),
mkU8(15)),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Subtract higher halves. */
assign(t2, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t7, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x1)));
/* Compare the signs of input value and the result. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15)),
mkexpr(t7)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t2)),
unop(Iop_32to16, mkexpr(t0))));
break;
}
case 0xC: { /* ADDU_S.PH */
DIP("addu_s.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
/* Add lower halves. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt)))));
/* Detect overflow. */
assign(t1, binop(Iop_CmpLT32U,
unop(Iop_16Uto32,
unop(Iop_32to16, mkexpr(t0))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs)))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Add higher halves. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Detect overflow. */
assign(t3, binop(Iop_CmpLT32U,
unop(Iop_16Uto32,
unop(Iop_32to16, mkexpr(t2))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs)))));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t3),
mkU16(0xffff),
unop(Iop_32to16,
mkexpr(t2))),
IRExpr_ITE(mkexpr(t1),
mkU16(0xffff),
unop(Iop_32to16,
mkexpr(t0)))));
break;
}
case 0xD: { /* SUBU_S.PH */
DIP("subu_s.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
/* Subtract lower halves. */
assign(t0, binop(Iop_Sub32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt)))));
/* Detect underflow. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0), mkU32(0x00010000)),
mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Subtract higher halves. */
assign(t2, binop(Iop_Sub32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Detect underflow. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t2), mkU32(0x00010000)),
mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd,
binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t3),
mkU16(0x0000),
unop(Iop_32to16, mkexpr(t2))),
IRExpr_ITE(mkexpr(t1),
mkU16(0x0000),
unop(Iop_32to16, mkexpr(t0)))));
break;
}
case 0xE: { /* ADDQ_S.PH */
DIP("addq_s.ph r%d r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I16);
t5 = newTemp(Ity_I16);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
/* Add lower halves. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t6, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t0))),
mkU32(0x1)));
/* Detect overflow. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x8000)),
mkU8(15)),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Saturate if needed. */
assign(t4, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t6),
mkU32(0x0)),
mkU16(0x7fff),
mkU16(0x8000)),
unop(Iop_32to16, mkexpr(t0))));
/* Add higher halves. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t7, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x1)));
/* Detect overflow. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15)),
mkexpr(t7)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Saturate if needed. */
assign(t5, IRExpr_ITE(mkexpr(t3),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x0)),
mkU16(0x7fff),
mkU16(0x8000)),
unop(Iop_32to16, mkexpr(t2))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t5), mkexpr(t4)));
break;
}
case 0xF: { /* SUBQ_S.PH */
DIP("subq_s.ph r%d r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I16);
t5 = newTemp(Ity_I16);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
/* Subtract lower halves. */
assign(t0, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t6, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t0))),
mkU32(0x1)));
/* Detect overflow or underflow. */
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x8000)),
mkU8(15)),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Saturate if needed. */
assign(t4, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t6),
mkU32(0x0)),
mkU16(0x7fff),
mkU16(0x8000)),
unop(Iop_32to16, mkexpr(t0))));
/* Subtract higher halves. */
assign(t2, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* Bit 16 of the result. */
assign(t7, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x1)));
/* Detect overflow or underflow. */
assign(t3, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15)),
mkexpr(t7)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
/* Saturate if needed. */
assign(t5, IRExpr_ITE(mkexpr(t3),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x0)),
mkU16(0x7fff),
mkU16(0x8000)),
unop(Iop_32to16, mkexpr(t2))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t5), mkexpr(t4)));
break;
}
case 0x10: { /* ADDSC */
DIP("addsc r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
/* The carry bit result out of the addition operation is
written to bit 13(the c field) of the DSPControl reg. */
assign(t0, binop(Iop_Add64,
unop(Iop_32Uto64, getIReg(rs)),
unop(Iop_32Uto64, getIReg(rt))));
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t0)),
mkU32(0x1)),
mkU32(0x1)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x2000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xffffdfff))));
putIReg(rd, unop(Iop_64to32, mkexpr(t0)));
break;
}
case 0x11: { /* ADDWC */
DIP("addwc r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I1);
/* Get carry bit from DSPControl register. */
assign(t0, binop(Iop_Shr32,
binop(Iop_And32,
getDSPControl(),
mkU32(0x2000)),
mkU8(0xd)));
assign(t1, binop(Iop_Add64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64,
binop(Iop_Add32,
getIReg(rt),
mkexpr(t0)))));
/* Extract bits 32 and 31. */
assign(t2, binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t1)),
mkU32(0x1)));
assign(t3, binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t1)),
mkU32(0x80000000)),
mkU8(31)));
assign(t4, binop(Iop_CmpNE32, mkexpr(t2), mkexpr(t3)));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, unop(Iop_64to32, mkexpr(t1)));
break;
}
case 0x12: { /* MODSUB */
DIP("modsub r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
/* decr_7..0 */
assign(t0,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
/* lastindex_15..0 */
assign(t1,
unop(Iop_16Uto32,
binop(Iop_8HLto16,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
/* temp_15..0 */
assign(t2,
IRExpr_ITE(binop(Iop_CmpEQ32,
getIReg(rs),
mkU32(0x00000000)),
mkexpr(t1),
binop(Iop_Sub32,
getIReg(rs), mkexpr(t0))));
putIReg(rd, mkexpr(t2));
break;
}
case 0x14: { /* RADDU.W.QB */
DIP("raddu.w.qb r%d, r%d", rd, rs);
vassert(!mode64);
putIReg(rd, binop(Iop_Add32,
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rs))))),
binop(Iop_Add32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))))));
break;
}
case 0x16: { /* ADDQ_S.W */
DIP("addq_s.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t3, binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t0)),
mkU32(0x1)));
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t0)),
mkU32(0x80000000)),
mkU8(31)),
mkexpr(t3)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t3),
mkU32(0x0)),
mkU32(0x7fffffff),
mkU32(0x80000000)),
unop(Iop_64to32, mkexpr(t0))));
break;
}
case 0x17: { /* SUBQ_S.W */
DIP("subq_s.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(t0, binop(Iop_Sub64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t3, binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t0)),
mkU32(0x1)));
assign(t1, binop(Iop_CmpNE32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t0)),
mkU32(0x80000000)),
mkU8(31)),
mkexpr(t3)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00100000)),
getDSPControl()));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t3),
mkU32(0x0)),
mkU32(0x7fffffff),
mkU32(0x80000000)),
unop(Iop_64to32, mkexpr(t0))));
break;
}
case 0x1C: { /* MULEQ_S.W.PHL */
DIP("muleq_s.w.phl r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I32);
assign(t0,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs)))),
mkU8(0x1)));
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xffff0000)),
mkU32(0x80000000)));
assign(t2, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rs),
mkU32(0xffff0000)),
mkU32(0x80000000)));
assign(t3, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
getDSPControl()),
getDSPControl()));
putDSPControl(mkexpr(t3));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
mkU32(0x7fffffff),
mkexpr(t0)),
mkexpr(t0)));
break;
}
case 0x1D: { /* MULEQ_S.W.PHR */
DIP("muleq_s.w.phr r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t0,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs)))),
mkU8(0x1)));
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xffff)),
mkU32(0x8000)));
assign(t2, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rs),
mkU32(0xffff)),
mkU32(0x8000)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl()),
getDSPControl()));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
mkU32(0x7fffffff),
mkexpr(t0)),
mkexpr(t0)));
break;
}
case 0x1E: { /* MULQ_S.PH */
DIP("mulq_s.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I16);
t3 = newTemp(Ity_I16);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t5,
unop(Iop_16Sto32, unop(Iop_32to16, getIReg(rs))));
assign(t6,
unop(Iop_16Sto32, unop(Iop_32to16, getIReg(rt))));
assign(t7,
unop(Iop_16Sto32, unop(Iop_32HIto16, getIReg(rs))));
assign(t8,
unop(Iop_16Sto32, unop(Iop_32HIto16, getIReg(rt))));
assign(t0, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t5),
mkU32(0xffff)),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0xffff)),
mkU32(0x8000)))));
assign(t1, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t7),
mkU32(0xffff)),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t8),
mkU32(0xffff)),
mkU32(0x8000)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_Or32,
mkexpr(t0),
mkexpr(t1)),
mkU32(0x0)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x200000))));
assign(t2, unop(Iop_32HIto16,
binop(Iop_Shl32,
unop(Iop_64to32,
binop(Iop_MullS32,
mkexpr(t7),
mkexpr(t8))),
mkU8(0x1))));
assign(t3, unop(Iop_32HIto16,
binop(Iop_Shl32,
unop(Iop_64to32,
binop(Iop_MullS32,
mkexpr(t5),
mkexpr(t6))),
mkU8(0x1))));
putIReg(rd, binop(Iop_16HLto32,
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t1),
mkU32(0x0)),
mkexpr(t2),
mkU16(0x7fff)),
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t0),
mkU32(0x0)),
mkexpr(t3),
mkU16(0x7fff))));
break;
}
case 0x1F: { /* MULQ_RS.PH */
DIP("mulq_rs.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I16);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I16);
/* Multiply and round lower halfwords. */
assign(t0, binop(Iop_Add32,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs)))),
mkU8(0x1)),
mkU32(0x00008000)));
assign(t1, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt), mkU32(0xffff)),
mkU32(0x8000)));
assign(t2, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rs), mkU32(0xffff)),
mkU32(0x8000)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl()),
getDSPControl()));
assign(t3, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
mkU16(0x7fff),
unop(Iop_32HIto16,
mkexpr(t0))),
unop(Iop_32HIto16, mkexpr(t0))));
/* Multiply and round higher halfwords. */
assign(t4, binop(Iop_Add32,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs)))),
mkU8(0x1)),
mkU32(0x00008000)));
assign(t5, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xffff0000)),
mkU32(0x80000000)));
assign(t6, binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rs),
mkU32(0xffff0000)),
mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(mkexpr(t5),
IRExpr_ITE(mkexpr(t6),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
getDSPControl()),
getDSPControl()));
assign(t7, IRExpr_ITE(mkexpr(t5),
IRExpr_ITE(mkexpr(t6),
mkU16(0x7fff),
unop(Iop_32HIto16,
mkexpr(t4))),
unop(Iop_32HIto16, mkexpr(t4))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t7), mkexpr(t3)));
break;
}
default:
return -1;
}
break; /* end of ADDU.QB */
}
case 0x11: { /* CMPU.EQ.QB */
switch(sa) {
case 0x0: { /* CMPU.EQ.QB */
DIP("cmpu.eq.qb r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
assign(t1,
binop(Iop_CmpEQ32,
binop(Iop_And32, getIReg(rs), mkU32(0xff)),
binop(Iop_And32, getIReg(rt), mkU32(0xff))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
break;
}
case 0x1: { /* CMPU.LT.QB */
DIP("cmpu.lt.qb r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
break;
}
case 0x2: { /* CMPU.LE.QB */
DIP("cmpu.le.qb r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
break;
}
case 0x3: { /* PICK.QB */
DIP("pick.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I8);
assign(t0, getDSPControl());
assign(t1, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x01000000)),
mkU32(0x0)),
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt)))));
assign(t2, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x02000000)),
mkU32(0x0)),
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt)))));
assign(t3, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x04000000)),
mkU32(0x0)),
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt)))));
assign(t4, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x08000000)),
mkU32(0x0)),
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt)))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16, mkexpr(t4), mkexpr(t3)),
binop(Iop_8HLto16, mkexpr(t2), mkexpr(t1))));
break;
}
case 0x4: { /* CMPGU.EQ.QB */
DIP("cmpgu.eq.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001), mkU32(0)));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
assign(t4, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
case 0x5: { /* CMPGU.LT.QB */
DIP("cmpgu.lt.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001), mkU32(0)));
assign(t2, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
assign(t3, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
assign(t4, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
case 0x6: { /* CMPGU.LE.QB */
DIP("cmpgu.le.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001), mkU32(0)));
assign(t2, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
assign(t3, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
assign(t4, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
case 0x8: { /* CMP.EQ.PH */
DIP("cmp.eq.ph r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ16,
unop(Iop_32to16, getIReg(rs)),
unop(Iop_32to16, getIReg(rt))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpEQ16,
unop(Iop_32HIto16, getIReg(rs)),
unop(Iop_32HIto16, getIReg(rt))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
break;
}
case 0x9: { /* CMP.LT.PH */
DIP("cmp.lt.ph r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpLT32S,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLT32S,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
break;
}
case 0xA: { /* CMP.LE.PH */
DIP("cmp.le.ph r%d, r%d", rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpLE32S,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLE32S,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
break;
}
case 0xB: { /* PICK.PH */
DIP("pick.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I16);
t2 = newTemp(Ity_I16);
assign(t0, getDSPControl());
assign(t1, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x01000000)),
mkU32(0x0)),
unop(Iop_32to16, getIReg(rs)),
unop(Iop_32to16, getIReg(rt))));
assign(t2, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x02000000)),
mkU32(0x0)),
unop(Iop_32HIto16, getIReg(rs)),
unop(Iop_32HIto16, getIReg(rt))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t2), mkexpr(t1)));
break;
}
case 0xC: { /* PRECRQ.QB.PH */
DIP("precrq.qb.ph r%d, r%d, %d", rd, rs, rt);
vassert(!mode64);
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
binop(Iop_8HLto16,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
break;
}
case 0xD: { /* PRECR.QB.PH */
DIP("precr.qb.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
binop(Iop_8HLto16,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
break;
}
case 0xF: { /* PRECRQU_S.QB.PH */
DIP("precrqu_s.qb.ph r%d, r%d, %d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I8);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I8);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I8);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I8);
t11 = newTemp(Ity_I1);
t12 = newTemp(Ity_I32);
t13 = newTemp(Ity_I8);
t14 = newTemp(Ity_I1);
t15 = newTemp(Ity_I32);
assign(t4, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rs))),
mkU32(0x7fff))),
mkU8(0xff),
unop(Iop_16HIto8,
unop(Iop_32to16,
binop(Iop_Shl32,
getIReg(rs),
mkU8(1))))));
assign(t0, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rs))),
mkU32(0x00008000)),
mkU32(0x0)),
mkexpr(t4),
mkU8(0x0)));
assign(t5, binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rs))),
mkU32(0x00008000)));
assign(t6, binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rs))),
mkU32(0x7fff))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t5),
mkU32(0x0)),
IRExpr_ITE(mkexpr(t6),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000)
),
getDSPControl()),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000))));
assign(t7, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs))),
mkU32(0x7fff))),
mkU8(0xff),
unop(Iop_16HIto8,
unop(Iop_32HIto16,
binop(Iop_Shl32,
getIReg(rs),
mkU8(1))))));
assign(t1, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs))),
mkU32(0x00008000)),
mkU32(0x0)),
mkexpr(t7),
mkU8(0x0)));
assign(t8, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs))),
mkU32(0x00008000)),
mkU32(0x0)));
assign(t9, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs))),
mkU32(0x7fff))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(mkexpr(t8),
mkexpr(t9),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000))));
assign(t10, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))),
mkU32(0x7fff))),
mkU8(0xff),
unop(Iop_16HIto8,
unop(Iop_32to16,
binop(Iop_Shl32,
getIReg(rt),
mkU8(1))))));
assign(t2, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))),
mkU32(0x00008000)),
mkU32(0x0)),
mkexpr(t10),
mkU8(0x0)));
assign(t11, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))),
mkU32(0x00008000)),
mkU32(0x0)));
assign(t12, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))),
mkU32(0x7fff))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(mkexpr(t11),
mkexpr(t12),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000))));
assign(t13, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))),
mkU32(0x7fff))),
mkU8(0xff),
unop(Iop_16HIto8,
unop(Iop_32HIto16,
binop(Iop_Shl32,
getIReg(rt),
mkU8(1))))));
assign(t3, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))),
mkU32(0x00008000)),
mkU32(0x0)),
mkexpr(t13),
mkU8(0x0)));
assign(t14, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))),
mkU32(0x00008000)),
mkU32(0x0)));
assign(t15, IRExpr_ITE(binop(Iop_CmpLT32U,
mkU32(0x7f80),
binop(Iop_And32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))),
mkU32(0x7fff))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(mkexpr(t14),
mkexpr(t15),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00400000))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t1), mkexpr(t0)),
binop(Iop_8HLto16,
mkexpr(t3), mkexpr(t2))));
break;
}
case 0x14: { /* PRECRQ.PH.W */
DIP("precrq.ph.w r%d, r%d, %d", rd, rs, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32HIto16, getIReg(rs)),
unop(Iop_32HIto16, getIReg(rt))));
break;
}
case 0x15: { /* PRECRQ_RS.PH.W */
DIP("precrq_rs.ph.w r%d, r%d, %d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add64,
binop(Iop_32HLto64,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rs),
mkU32(0x80000000)),
mkU8(31)),
getIReg(rs)),
mkU64(0x0000000000008000ULL)));
assign(t1, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t0)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32,
unop(Iop_64to32, mkexpr(t0)),
mkU8(31)),
mkU32(0x1))));
assign(t2, IRExpr_ITE(mkexpr(t1),
mkU32(0x7fffffff),
unop(Iop_64to32, mkexpr(t0))));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
assign(t3, binop(Iop_Add64,
binop(Iop_32HLto64,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31)),
getIReg(rt)),
mkU64(0x0000000000008000ULL)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t3)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32,
unop(Iop_64to32, mkexpr(t3)),
mkU8(31)),
mkU32(0x1))));
assign(t5, IRExpr_ITE(mkexpr(t4),
mkU32(0x7fffffff),
unop(Iop_64to32, mkexpr(t3))));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32HIto16, mkexpr(t2)),
unop(Iop_32HIto16, mkexpr(t5))));
break;
}
case 0x1E: { /* PRECR_SRA.PH.W */
DIP("precr_sra.ph.w r%d, r%d, %d", rt, rs, rd);
vassert(!mode64);
if (0 == rd) {
putIReg(rt, binop(Iop_16HLto32,
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16, getIReg(rs))));
} else {
putIReg(rt, binop(Iop_16HLto32,
unop(Iop_32to16, binop(Iop_Sar32,
getIReg(rt),
mkU8(rd))),
unop(Iop_32to16, binop(Iop_Sar32,
getIReg(rs),
mkU8(rd)))));
}
break;
}
case 0x1F: { /* PRECR_SRA_R.PH.W */
DIP("precr_sra_r.ph.w r%d, r%d, %d", rt, rs, rd);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
if (0 == rd) {
putIReg(rt, binop(Iop_16HLto32,
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16, getIReg(rs))));
} else {
assign(t0, binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sar32,
getIReg(rt),
mkU8(rd-1)),
mkU32(0x1)),
mkU8(0x1)));
assign(t1, binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sar32,
getIReg(rs),
mkU8(rd-1)),
mkU32(0x1)),
mkU8(0x1)));
putIReg(rt, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t0)),
unop(Iop_32to16, mkexpr(t1))));
};
break;
}
case 0xE: { /* PACKRL.PH */
DIP("packrl.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, getIReg(rs)),
unop(Iop_32HIto16, getIReg(rt))));
break;
}
case 0x18: { /* CMPGDU.EQ.QB */
DIP("cmpgdu.eq.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1,
binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpEQ32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
case 0x19: { /* CMPGDU.LT.QB */
DIP("cmpgdu.lt.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpLT32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
case 0x1A: { /* CMPGDU.LE.QB */
DIP("cmpgdu.le.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
assign(t1, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t5, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000001),
mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x01000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfeffffff))));
assign(t2, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt))))));
assign(t6, IRExpr_ITE(mkexpr(t2),
mkU32(0x00000002), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x02000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfdffffff))));
assign(t3, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t7, IRExpr_ITE(mkexpr(t3),
mkU32(0x00000004), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x04000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xfbffffff))));
assign(t4, binop(Iop_CmpLE32U,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt))))));
assign(t8, IRExpr_ITE(mkexpr(t4),
mkU32(0x00000008), mkU32(0)));
putDSPControl(IRExpr_ITE(mkexpr(t4),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x08000000)),
binop(Iop_And32,
getDSPControl(),
mkU32(0xf7ffffff))));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_Or32,
mkexpr(t5), mkexpr(t6)),
mkexpr(t7)),
mkexpr(t8)));
break;
}
default:
return -1;
}
break; /* end of CMPU.EQ.QB */
}
case 0x13: { /* SHLL.QB */
switch(sa) {
case 0x0: { /* SHLL.QB */
DIP("shll.qb r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I1);
t10 = newTemp(Ity_I1);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
/* Shift bits 7..0 and 23..16. */
assign(t0, binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff00ff)),
mkU8(rs)));
assign(t1, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xff000000)),
mkU32(0x00000000)));
assign(t2, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xff000000)),
mkU32(0xff000000)));
assign(t7, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0000ff00)),
mkU32(0x00000000)));
assign(t8, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0000ff00)),
mkU32(0x000ff00)));
/* Shift bits 15..8 and 31..24. */
assign(t3, binop(Iop_Shl32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff00ff00)),
mkU8(8)),
mkU8(rs)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff000000)),
mkU32(0x00000000)));
assign(t5, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff000000)),
mkU32(0xff000000)));
assign(t9, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x0000ff00)),
mkU32(0x00000000)));
assign(t10, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x0000ff00)),
mkU32(0x0000ff00)));
assign(t6, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t1)),
unop(Iop_1Uto32,
mkexpr(t2))),
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t7)),
unop(Iop_1Uto32,
mkexpr(t8)))),
binop(Iop_Or32,
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t4)),
unop(Iop_1Uto32,
mkexpr(t5))),
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t9)),
unop(Iop_1Uto32,
mkexpr(t10))))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t6),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putIReg(rd, binop(Iop_Or32,
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x00ff00ff)),
mkU8(8)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00ff00ff))));
}
break;
}
case 0x3: { /* SHRL.QB */
DIP("shrl.qb r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I8);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I8);
t9 = newTemp(Ity_I32);
assign(t9, binop(Iop_And32, getIReg(rs), mkU32(0x7)));
assign(t0, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to8,
binop(Iop_Shr32,
mkexpr(t0),
unop(Iop_32to8, mkexpr(t9)))));
assign(t2, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t3, unop(Iop_32to8,
binop(Iop_Shr32,
mkexpr(t2),
unop(Iop_32to8, mkexpr(t9)))));
assign(t4, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t5, unop(Iop_32to8,
binop(Iop_Shr32,
mkexpr(t4),
unop(Iop_32to8, mkexpr(t9)))));
assign(t6, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t7, unop(Iop_32to8,
binop(Iop_Shr32,
mkexpr(t6),
unop(Iop_32to8, mkexpr(t9)))));
putIReg(rd, IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t9),
mkU32(0x0)),
getIReg(rt),
binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t7),
mkexpr(t5)),
binop(Iop_8HLto16,
mkexpr(t3),
mkexpr(t1)))));
break;
}
case 0x2: { /* SHLLV.QB */
DIP("shllv.qb r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I1);
t10 = newTemp(Ity_I1);
t11 = newTemp(Ity_I8);
assign(t11, unop(Iop_32to8,
binop(Iop_And32,
getIReg(rs),
mkU32(0x7))));
/* Shift bits 7..0 and 23..16. */
assign(t0, binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00ff00ff)),
mkexpr(t11)));
assign(t1, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xff000000)),
mkU32(0x00000000)));
assign(t2, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xff000000)),
mkU32(0xff000000)));
assign(t7, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0000ff00)),
mkU32(0x00000000)));
assign(t8, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0000ff00)),
mkU32(0x000ff00)));
/* Shift bits 15..8 and 31..24. */
assign(t3, binop(Iop_Shl32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0xff00ff00)),
mkU8(8)),
mkexpr(t11)));
assign(t4, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff000000)),
mkU32(0x00000000)));
assign(t5, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff000000)),
mkU32(0xff000000)));
assign(t9, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x0000ff00)),
mkU32(0x00000000)));
assign(t10, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0x0000ff00)),
mkU32(0x0000ff00)));
assign(t6, binop(Iop_Or32,
binop(Iop_Or32,
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t1)),
unop(Iop_1Uto32,
mkexpr(t2))),
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t7)),
unop(Iop_1Uto32,
mkexpr(t8)))),
binop(Iop_Or32,
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t4)),
unop(Iop_1Uto32,
mkexpr(t5))),
binop(Iop_And32,
unop(Iop_1Uto32,
mkexpr(t9)),
unop(Iop_1Uto32,
mkexpr(t10))))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t6),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putIReg(rd, IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_8Uto32, mkexpr(t11)),
mkU32(0)),
getIReg(rt),
binop(Iop_Or32,
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t3),
mkU32(0xff00ff)),
mkU8(8)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00ff00ff)))));
break;
}
case 0x1: { /* SHRLV.QB */
DIP("shrlv.qb r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I8);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I8);
assign(t0, unop(Iop_32to8,
binop(Iop_Shr32,
unop(Iop_8Uto32,
unop(Iop_32to8, getIReg(rt))),
mkU8(rs))));
assign(t1, unop(Iop_32to8,
binop(Iop_Shr32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(rs))));
assign(t2, unop(Iop_32to8,
binop(Iop_Shr32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(rs))));
assign(t3, unop(Iop_32to8,
binop(Iop_Shr32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(rs))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16, mkexpr(t3), mkexpr(t2)),
binop(Iop_8HLto16, mkexpr(t1), mkexpr(t0))));
break;
}
case 0x4: { /* SHRA.QB */
DIP("shra.qb r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I32);
/* ========== GPR[rt]_31..24 ========== */
assign(t1,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t2,
binop(Iop_Shr32, mkexpr(t1), mkU8(rs)));
/* tempD_7..0 */
assign(t0,
binop(Iop_Or32,
mkexpr(t2),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8, mkU8(0x8), mkU8(rs)))));
/* ========== GPR[rt]_23..16 ========== */
assign(t4,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t5, binop(Iop_Shr32, mkexpr(t4), mkU8(rs)));
/* tempC_7..0 */
assign(t3,
binop(Iop_Or32,
mkexpr(t5),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8, mkU8(0x8), mkU8(rs)))));
/* ========== GPR[rt]_15..8 ========== */
assign(t7,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t8, binop(Iop_Shr32, mkexpr(t7), mkU8(rs)));
/* tempB_7..0 */
assign(t6,
binop(Iop_Or32,
mkexpr(t8),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t7),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8, mkU8(0x8), mkU8(rs)))));
/* ========== GPR[rt]_7..0 ========== */
assign(t10,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t11, binop(Iop_Shr32, mkexpr(t10), mkU8(rs)));
/* tempB_7..0 */
assign(t9,
binop(Iop_Or32,
mkexpr(t11),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t10),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8, mkU8(0x8), mkU8(rs)))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t0)),
unop(Iop_32to8, mkexpr(t3))),
binop(Iop_8HLto16,
unop(Iop_32to8, mkexpr(t6)),
unop(Iop_32to8, mkexpr(t9)))));
break;
}
case 0x5: { /* SHRA_R.QB */
DIP("shra_r.qb r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I8);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I8);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
assign(t0, unop(Iop_8Sto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t0),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs))));
assign(t2, unop(Iop_8Sto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t3, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t2),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs))));
assign(t4, unop(Iop_8Sto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t5, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t4),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs))));
assign(t6, unop(Iop_8Sto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t7, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t6),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t7), mkexpr(t5)),
binop(Iop_8HLto16,
mkexpr(t3), mkexpr(t1))));
}
break;
}
case 0x6: { /* SHRAV.QB */
DIP("shrav.qb r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I32);
/* ========== GPR[rt]_31..24 ========== */
assign(t1,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t2,
binop(Iop_Shr32,
mkexpr(t1),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))));
/* tempD_7..0 */
assign(t0,
binop(Iop_Or32,
mkexpr(t2),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8,
mkU8(0x8),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))
))));
/* ========== GPR[rt]_23..16 ========== */
assign(t4,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t5,
binop(Iop_Shr32,
mkexpr(t4),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))));
/* tempC_7..0 */
assign(t3,
binop(Iop_Or32,
mkexpr(t5),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8,
mkU8(0x8),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))
))));
/* ========== GPR[rt]_15..8 ========== */
assign(t7,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t8,
binop(Iop_Shr32,
mkexpr(t7),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))));
/* tempB_7..0 */
assign(t6,
binop(Iop_Or32,
mkexpr(t8),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t7),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8,
mkU8(0x8),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))
))));
/* ========== GPR[rt]_7..0 ========== */
assign(t10,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t11,
binop(Iop_Shr32,
mkexpr(t10),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))));
/* tempB_7..0 */
assign(t9,
binop(Iop_Or32,
mkexpr(t11),
binop(Iop_Shl32,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t10),
mkU32(0x00000080)
),
mkU32(0x00000080)),
mkU32(0xFFFFFFFF),
mkU32(0x00000000)),
binop(Iop_Sub8,
mkU8(0x8),
unop(Iop_32to8, binop(Iop_And32,
getIReg(rs),
mkU32(0x7)))
))));
putIReg(rd,
binop(Iop_16HLto32,
binop(Iop_8HLto16,
unop(Iop_32to8,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkU32(rs),
mkU32(0x7)
),
mkU32(0x0)),
mkexpr(t1),
mkexpr(t0))),
unop(Iop_32to8,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkU32(rs),
mkU32(0x7)
),
mkU32(0x0)),
mkexpr(t2),
mkexpr(t3)))),
binop(Iop_8HLto16,
unop(Iop_32to8,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkU32(rs),
mkU32(0x7)
),
mkU32(0x0)),
mkexpr(t5),
mkexpr(t6))),
unop(Iop_32to8,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
mkU32(rs),
mkU32(0x7)
),
mkU32(0x0)),
mkexpr(t8),
mkexpr(t9))))));
break;
}
case 0x7: { /* SHRAV_R.QB */
DIP("shrav_r.qb r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I8);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I8);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I8);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I8);
t8 = newTemp(Ity_I8);
t9 = newTemp(Ity_I32);
assign(t9, binop(Iop_And32, getIReg(rs), mkU32(0x7)));
assign(t8, unop(Iop_32to8,
binop(Iop_Sub32, mkexpr(t9), mkU32(0x1))));
assign(t0, unop(Iop_8Sto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t0),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t8))),
unop(Iop_32to8,
mkexpr(t9)))));
assign(t2, unop(Iop_8Sto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t3, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t2),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t8))),
unop(Iop_32to8, mkexpr(t9)))));
assign(t4, unop(Iop_8Sto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t5, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t4),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t8))),
unop(Iop_32to8, mkexpr(t9)))));
assign(t6, unop(Iop_8Sto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t7, unop(Iop_32to8,
binop(Iop_Sar32,
binop(Iop_Add32,
mkexpr(t6),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t8))),
unop(Iop_32to8, mkexpr(t9)))));
putIReg(rd, IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t9),
mkU32(0x0)),
getIReg(rt),
binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t7),
mkexpr(t5)),
binop(Iop_8HLto16,
mkexpr(t3),
mkexpr(t1)))));
break;
}
case 0x8: { /* SHLL.PH */
DIP("shll.ph r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
/* Shift lower 16 bits. */
assign(t0, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
mkU8(rs)));
assign(t1, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t0),
mkU8(16)),
mkU32(0))));
assign(t2, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t0),
mkU8(16)),
mkU32(0xffffffff))));
assign(t3, binop(Iop_And32,
mkexpr(t1),
mkexpr(t2)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t3),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00008000))
),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000))));
/* Shift higher 16 bits. */
assign(t4, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU8(rs)));
assign(t5, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t4),
mkU8(16)),
mkU32(0))));
assign(t6, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t4),
mkU8(16)),
mkU32(0xffffffff))));
assign(t7, binop(Iop_And32,
mkexpr(t5),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00008000)),
mkU8(16))
),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000))));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t4)),
unop(Iop_32to16, mkexpr(t0))));
}
break;
}
case 0x9: { /* SHRA.PH */
DIP("shra.ph r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
assign(t0, binop(Iop_Sar32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
mkU8(rs)));
assign(t1, binop(Iop_Sar32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU8(rs)));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t1)),
unop(Iop_32to16, mkexpr(t0))));
}
break;
}
case 0xA: { /* SHLLV.PH */
DIP("shllv.ph r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I32);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x0f)));
/* Shift lower 16 bits. */
assign(t2, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t3, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x00000000)));
assign(t4, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0xffffffff)));
assign(t10, binop(Iop_And32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))));
assign(t5, binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
mkU8(15)));
assign(t12, binop(Iop_CmpEQ32,
mkexpr(t5),
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t10),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
IRExpr_ITE(mkexpr(t12),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)))
));
/* Shift higher 16 bits. */
assign(t6, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t7, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t6))),
mkU32(0x00000000)));
assign(t8, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t6))),
mkU32(0xffffffff)));
assign(t11, binop(Iop_And32,
unop(Iop_1Sto32, mkexpr(t7)),
unop(Iop_1Sto32, mkexpr(t8))));
assign(t9, binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31)));
assign(t13, binop(Iop_CmpEQ32,
mkexpr(t9),
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00008000)),
mkU8(15))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t11),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
IRExpr_ITE(mkexpr(t13),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)))
));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t6)),
unop(Iop_32to16, mkexpr(t2))));
break;
}
case 0xB: { /* SHRAV.PH */
DIP("shrav.ph r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x0f)));
assign(t1, binop(Iop_CmpEQ32, mkexpr(t0), mkU32(0x0)));
assign(t2, binop(Iop_Sar32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t3, binop(Iop_Sar32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
putIReg(rd,
binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t1),
unop(Iop_32HIto16, getIReg(rt)),
unop(Iop_32to16, mkexpr(t3))),
IRExpr_ITE(mkexpr(t1),
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16, mkexpr(t2)))));
break;
}
case 0xC: { /* SHLL_S.PH */
DIP("shll_s.ph r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I32);
t12 = newTemp(Ity_I32);
t13 = newTemp(Ity_I32);
t14 = newTemp(Ity_I32);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
/* Shift lower 16 bits. */
assign(t0, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
mkU8(rs)));
assign(t1, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t0),
mkU8(16)),
mkU32(0))));
assign(t2, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t0),
mkU8(16)),
mkU32(0xffffffff))));
assign(t3, binop(Iop_And32,
mkexpr(t1),
mkexpr(t2)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t3),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00008000))
),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000))));
assign(t8,
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t3),
mkU32(0x1)),
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x8000)),
mkU32(0)),
mkU32(0x00007fff),
mkU32(0x00008000)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0000ffff))));
assign(t10,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
binop(Iop_And32,
mkexpr(t0),
mkU32(0x00008000))),
mkexpr(t8),
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x8000)),
mkU32(0)),
mkU32(0x00007fff),
mkU32(0x00008000))));
/* Shift higher 16 bits. */
assign(t4, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU8(rs)));
assign(t5, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t4),
mkU8(16)),
mkU32(0))));
assign(t6, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_Sar32,
mkexpr(t4),
mkU8(16)),
mkU32(0xffffffff))));
assign(t7, binop(Iop_And32,
mkexpr(t5),
mkexpr(t6)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x1)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
assign(t12, binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x8000)),
mkU8(16)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkexpr(t12)),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000))));
assign(t13, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU32(0)),
mkU32(0x7fff0000),
mkU32(0x80000000)));
assign(t9,
IRExpr_ITE(binop(Iop_CmpEQ32,
mkexpr(t7),
mkU32(0x1)),
mkexpr(t13),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x0000ffff)),
mkU8(16))));
assign(t14, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU32(0)),
mkU32(0x7fff0000),
mkU32(0x80000000)));
assign(t11,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
binop(Iop_Shl32,
binop(Iop_And32,
mkexpr(t4),
mkU32(0x00008000)),
mkU8(16))),
mkexpr(t9),
mkexpr(t14)));
putIReg(rd, binop(Iop_Or32,
mkexpr(t10),
mkexpr(t11)));
}
break;
}
case 0xD: { /* SHRA_R.PH */
DIP("shra.ph r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
assign(t0, binop(Iop_Sar32,
binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt))),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs)));
assign(t1, binop(Iop_Sar32,
binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt))),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs)));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t1)),
unop(Iop_32to16, mkexpr(t0))));
}
break;
}
case 0xE: { /* SHLLV_S.PH */
DIP("shllv_s.ph r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I32);
t12 = newTemp(Ity_I1);
t13 = newTemp(Ity_I1);
t14 = newTemp(Ity_I16);
t15 = newTemp(Ity_I16);
t16 = newTemp(Ity_I16);
t17 = newTemp(Ity_I16);
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x0f)));
/* Shift lower 16 bits. */
assign(t2, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t3, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0x00000000)));
assign(t4, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t2))),
mkU32(0xffffffff)));
assign(t10, binop(Iop_And32,
unop(Iop_1Sto32, mkexpr(t3)),
unop(Iop_1Sto32, mkexpr(t4))));
assign(t5, binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x00008000)),
mkU8(15)));
assign(t12, binop(Iop_CmpEQ32,
mkexpr(t5),
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x00008000)),
mkU8(15))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t10),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
IRExpr_ITE(mkexpr(t12),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)))
));
assign(t14, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t5),
mkU32(0x0)),
mkU16(0x8000),
mkU16(0x7fff)));
assign(t15, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t10),
mkU32(0x0)),
mkexpr(t14),
IRExpr_ITE(mkexpr(t12),
unop(Iop_32to16,
mkexpr(t2)),
mkexpr(t14))));
/* Shift higher 16 bits. */
assign(t6, binop(Iop_Shl32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t7, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t6))),
mkU32(0x00000000)));
assign(t8, binop(Iop_CmpNE32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, mkexpr(t6))),
mkU32(0xffffffff)));
assign(t11, binop(Iop_And32,
unop(Iop_1Sto32, mkexpr(t7)),
unop(Iop_1Sto32, mkexpr(t8))));
assign(t9, binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31)));
assign(t13, binop(Iop_CmpEQ32,
mkexpr(t9),
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t6),
mkU32(0x00008000)),
mkU8(15))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t11),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
IRExpr_ITE(mkexpr(t13),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)))
));
assign(t16, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t9),
mkU32(0x0)),
mkU16(0x8000),
mkU16(0x7fff)));
assign(t17, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t11),
mkU32(0x0)),
mkexpr(t16),
IRExpr_ITE(mkexpr(t13),
unop(Iop_32to16,
mkexpr(t6)),
mkexpr(t16))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t17), mkexpr(t15)));
break;
}
case 0xF: { /* SHRAV_R.PH */
DIP("shrav_r.ph r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x0f)));
assign(t1, binop(Iop_CmpEQ32, mkexpr(t0), mkU32(0x0)));
assign(t2, unop(Iop_32to8,
binop(Iop_Sub32, mkexpr(t0), mkU32(1))));
assign(t3, binop(Iop_Sar32,
binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t2))),
unop(Iop_32to8, mkexpr(t0))));
assign(t4, binop(Iop_Sar32,
binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt))),
binop(Iop_Shl32,
mkU32(0x1),
mkexpr(t2))),
unop(Iop_32to8, mkexpr(t0))));
putIReg(rd, binop(Iop_16HLto32,
IRExpr_ITE(mkexpr(t1),
unop(Iop_32HIto16,
getIReg(rt)),
unop(Iop_32to16,
mkexpr(t4))),
IRExpr_ITE(mkexpr(t1),
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16,
mkexpr(t3)))));
break;
}
case 0x14: { /* SHLL_S.W */
DIP("shll_s.w r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
/* t0-bits that will be discarded, sign extended to
32bits. */
assign(t0, binop(Iop_Sar32,
binop(Iop_And32,
getIReg(rt),
binop(Iop_Sar32,
mkU32(0x80000000),
mkU8(rs-1))),
mkU8(32-rs)));
assign(t1, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU32(0x0)),
mkU32(0x7fffffff),
mkU32(0x80000000)));
assign(t2, binop(Iop_Shl32, getIReg(rt), mkU8(rs)));
assign(t3, IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
binop(Iop_And32,
mkexpr(t2),
mkU32(0x80000000))),
mkexpr(t2),
mkexpr(t1)));
assign(t4, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t0),
mkU32(0x0)),
IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t0),
mkU32(0xffffffff)
),
mkexpr(t1),
mkexpr(t3)),
mkexpr(t3)));
assign(t5, IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t0),
mkU32(0xffffffff)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t0),
mkU32(0x0)),
mkexpr(t5),
getDSPControl()));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
binop(Iop_And32,
mkexpr(t2),
mkU32(0x80000000))
),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000))));
putIReg(rd, mkexpr(t4));
}
break;
}
case 0x15: { /* SHRA_R.W */
DIP("shra_r.w r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
if (0 == rs) {
putIReg(rd, getIReg(rt));
} else {
putIReg(rd, binop(Iop_Add32,
binop(Iop_Sar32,
getIReg(rt), mkU8(rs)),
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(rs-1))),
mkU8(rs-1))));
}
break;
}
case 0x16: { /* SHLLV_S.W */
DIP("shllv_s.w r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I1);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I32);
/* Check if shift amount is zero. */
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x1f)));
assign(t1, binop(Iop_CmpEQ32, mkexpr(t0), mkU32(0x0)));
/* t2 = sign of the input value. */
assign(t2, binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31)));
/* Shift left input value and check for overflow. */
assign(t3, binop(Iop_Shl64,
unop(Iop_32Sto64, getIReg(rt)),
unop(Iop_32to8, mkexpr(t0))));
assign(t4, binop(Iop_CmpNE32,
unop(Iop_64HIto32, mkexpr(t3)),
mkU32(0x00000000)));
assign(t5, binop(Iop_CmpNE32,
unop(Iop_64HIto32, mkexpr(t3)),
mkU32(0xffffffff)));
assign(t6, binop(Iop_And32,
unop(Iop_1Uto32, mkexpr(t4)),
unop(Iop_1Uto32, mkexpr(t5))));
assign(t7, binop(Iop_CmpEQ32,
binop(Iop_Shr32,
binop(Iop_And32,
getIReg(rt),
mkU32(0x80000000)),
mkU8(31)),
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t3)),
mkU32(0x80000000)),
mkU8(31))));
putDSPControl(IRExpr_ITE(unop(Iop_32to1, mkexpr(t6)),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)),
IRExpr_ITE(mkexpr(t7),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x400000)))
));
assign(t8, IRExpr_ITE(unop(Iop_32to1,
mkexpr(t2)),
mkU32(0x80000000),
mkU32(0x7fffffff)));
putIReg(rd, IRExpr_ITE(unop(Iop_32to1, mkexpr(t6)),
IRExpr_ITE(unop(Iop_32to1,
mkexpr(t2)),
mkU32(0x80000000),
mkU32(0x7fffffff)),
IRExpr_ITE(mkexpr(t7),
unop(Iop_64to32,
mkexpr(t3)),
mkexpr(t8))));
break;
}
case 0x17: { /* SHRAV_R.W */
DIP("shrav_r.w r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I32);
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x1f)));
assign(t1, binop(Iop_CmpEQ32, mkexpr(t0), mkU32(0x0)));
assign(t2, unop(Iop_32to8,
binop(Iop_Sub32, mkexpr(t0), mkU32(1))));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
getIReg(rt),
binop(Iop_Sar32,
binop(Iop_Add32,
binop(Iop_Sar32,
getIReg(rt),
mkexpr(t2)),
mkU32(0x1)),
mkU8(1))));
break;
}
case 0x19: { /* SHRL.PH */
DIP("shrl.ph r%d, r%d, %d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
assign(t0, binop(Iop_Shr32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU8(rs)));
assign(t1, binop(Iop_Shr32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU8(rs)));
putIReg(rd, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t1)),
unop(Iop_32to16, mkexpr(t0))));
break;
}
case 0x1B: { /* SHRLV.PH */
DIP("shrlv.ph r%d, r%d, r%d", rd, rt, rs);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I16);
t5 = newTemp(Ity_I16);
/* Get shift amount from lower 5 bits of rs
and check if it is zero. */
assign(t0, binop(Iop_And32, getIReg(rs), mkU32(0x0f)));
assign(t1, binop(Iop_CmpEQ32, mkexpr(t0), mkU32(0x0)));
assign(t2, binop(Iop_Shr32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t3, binop(Iop_Shr32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_32to8, mkexpr(t0))));
assign(t4, IRExpr_ITE(mkexpr(t1),
unop(Iop_32HIto16, getIReg(rt)),
unop(Iop_32to16, mkexpr(t3))));
assign(t5, IRExpr_ITE(mkexpr(t1),
unop(Iop_32to16, getIReg(rt)),
unop(Iop_32to16, mkexpr(t2))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t4), mkexpr(t5)));
break;
}
default:
return -1;
}
break; /* end of SHLL.QB */
}
case 0x18: { /* ADDUH.QB/MUL.PH */
switch(sa) {
case 0x00: { /* ADDUH.QB */
DIP("adduh.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_HAdd8Ux4, getIReg(rs), getIReg(rt)));
putIReg(rd, mkexpr(t0));
break;
}
case 0x1: { /* SUBUH.QB */
DIP("subuh.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_HSub8Ux4, getIReg(rs), getIReg(rt)));
putIReg(rd, mkexpr(t0));
break;
}
case 0x02: { /* ADDUH_R.QB */
DIP("adduh_r.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I8);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I8);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I8);
t9 = newTemp(Ity_I32);
t10 = newTemp(Ity_I32);
t11 = newTemp(Ity_I8);
/* Extract input bytes, add values, add 1 and half the
result. */
assign(t0, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))));
assign(t1, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t2, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Add32,
mkexpr(t0),
mkexpr(t1)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t3, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))));
assign(t4, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t5, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Add32,
mkexpr(t3),
mkexpr(t4)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t6, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))));
assign(t7, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t8, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Add32,
mkexpr(t7),
mkexpr(t6)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t9, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))));
assign(t10, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t11, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Add32,
mkexpr(t9),
mkexpr(t10)),
mkU32(0x00000001)),
mkU8(0x01)))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t11), mkexpr(t8)),
binop(Iop_8HLto16,
mkexpr(t5), mkexpr(t2))));
break;
}
case 0x3: { /* SUBUH_R.QB */
DIP("subuh_r.qb r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
t7 = newTemp(Ity_I32);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I8);
t10 = newTemp(Ity_I8);
t11 = newTemp(Ity_I8);
t12 = newTemp(Ity_I8);
/* Extract each byte of rs and rt. */
assign(t1, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))));
assign(t2, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))));
assign(t3, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))));
assign(t4, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))));
assign(t5, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt)))));
assign(t6, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt)))));
assign(t7, unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t8, unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt)))));
/* Add 1 to each resulting byte and half the results. */
assign(t9, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sub32,
mkexpr(t1),
mkexpr(t5)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t10, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sub32,
mkexpr(t2),
mkexpr(t6)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t11, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sub32,
mkexpr(t3),
mkexpr(t7)),
mkU32(0x00000001)),
mkU8(0x01)))));
assign(t12, unop(Iop_16to8,
unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_Add32,
binop(Iop_Sub32,
mkexpr(t4),
mkexpr(t8)),
mkU32(0x00000001)),
mkU8(0x01)))));
putIReg(rd, binop(Iop_16HLto32,
binop(Iop_8HLto16,
mkexpr(t12), mkexpr(t11)),
binop(Iop_8HLto16,
mkexpr(t10), mkexpr(t9))));
break;
}
case 0x8: { /* ADDQH.PH */
DIP("addqh.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I16);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I16);
/* Add lower halfs of rs and rt
and right shift the result by 1. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0x0001fffe)),
mkU8(0x1))));
/* Add higher halfs of rs and rt
and right shift the result by 1. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t3, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
mkexpr(t2),
mkU32(0x0001fffe)),
mkU8(0x1))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t3), mkexpr(t1)));
break;
}
case 0x9: { /* SUBQH.PH */
DIP("subqh.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
putIReg(rd, binop(Iop_HSub16Sx2,
getIReg(rs), getIReg(rt)));
break;
}
case 0xA: {/* ADDQH_R.PH */
DIP("addqh_r.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I16);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I16);
/* Add lower halfs of rs and rt, add 1
and right shift the result by 1. */
assign(t0, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
binop(Iop_Add32,
mkexpr(t0),
mkU32(0x1)),
mkU32(0x0001fffe)),
mkU8(0x1))));
/* Add higher halfs of rs and rt, add 1
and right shift the result by 1. */
assign(t2, binop(Iop_Add32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t3, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
binop(Iop_Add32,
mkexpr(t2),
mkU32(0x1)),
mkU32(0x0001fffe)),
mkU8(0x1))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t3), mkexpr(t1)));
break;
}
case 0xB: { /* SUBQH_R.PH */
DIP("subqh_r.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I16);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I16);
/* Sub lower halfs of rs and rt, add 1
and right shift the result by 1. */
assign(t0, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
assign(t1, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
binop(Iop_Add32,
mkexpr(t0),
mkU32(0x1)),
mkU32(0x0001fffe)),
mkU8(0x1))));
/* Sub higher halfs of rs and rt, add 1
and right shift the result by 1. */
assign(t2, binop(Iop_Sub32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t3, unop(Iop_32to16,
binop(Iop_Shr32,
binop(Iop_And32,
binop(Iop_Add32,
mkexpr(t2),
mkU32(0x1)),
mkU32(0x0001fffe)),
mkU8(0x1))));
putIReg(rd, binop(Iop_16HLto32, mkexpr(t3), mkexpr(t1)));
break;
}
case 0xC: { /* MUL.PH */
DIP("mul.ph r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
assign(t0,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
/* DSP Control flag. */
putDSPControl(IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t0),
mkU32(0x7FFF))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t0),
mkU32(0xFFFF8000)
),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl())));
assign(t1,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
/* DSP Control flag. */
putDSPControl(IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t1),
mkU32(0x7FFF))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t1),
mkU32(0xFFFF8000)
),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl())));
assign(t2, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t0)),
unop(Iop_32to16, mkexpr(t1))));
putIReg(rd, mkexpr(t2));
break;
}
case 0xE: { /* MUL_S.PH */
DIP("mul_s.ph r%d r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
/* t0 - signed intermediate result. */
assign(t0,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt)))));
assign(t1,
IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t0),
mkU32(0x7FFF))),
mkU32(0x00007FFF),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t0),
mkU32(0xFFFF8000)),
mkU32(0xFFFF8000),
mkexpr(t0))));
/* DSP Control flag. */
putDSPControl(IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t0),
mkU32(0x7FFF))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t0),
mkU32(0xFFFF8000)
),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl())));
/* t2 - signed intermediate result. */
assign(t2, binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))));
assign(t3, IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t2),
mkU32(0x7FFF))),
mkU32(0x00007FFF),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t2),
mkU32(0xFFFF8000)),
mkU32(0xFFFF8000),
mkexpr(t2))));
/* DSP Control flag. */
putDSPControl(IRExpr_ITE(unop(Iop_Not1,
binop(Iop_CmpLE32S,
mkexpr(t2),
mkU32(0x7FFF))),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)),
IRExpr_ITE(binop(Iop_CmpLT32S,
mkexpr(t2),
mkU32(0xFFFF8000)
),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl())));
assign(t4, binop(Iop_16HLto32,
unop(Iop_32to16, mkexpr(t1)),
unop(Iop_32to16, mkexpr(t3))));
putIReg(rd, mkexpr(t4));
break;
}
case 0x10: { /* ADDQH.W */
DIP("addqh.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, binop(Iop_Add64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t1, binop(Iop_And64,
mkexpr(t0),
mkU64(0x00000001fffffffeULL)));
putIReg(rd, unop(Iop_64to32,
binop(Iop_Shr64, mkexpr(t1), mkU8(0x1))));
break;
}
case 0x11: { /* SUBQH.W */
DIP("subqh.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, binop(Iop_Sub64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t1, binop(Iop_And64,
mkexpr(t0),
mkU64(0x00000001fffffffeULL)));
putIReg(rd, unop(Iop_64to32,
binop(Iop_Shr64, mkexpr(t1), mkU8(0x1))));
break;
}
case 0x12: { /* ADDQH_R.W */
DIP("addqh_r.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0, binop(Iop_Add64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t1, binop(Iop_Add64,
mkexpr(t0),
mkU64(0x0000000000000001ULL)));
assign(t2, binop(Iop_And64,
mkexpr(t1),
mkU64(0x00000001fffffffeULL)));
putIReg(rd, unop(Iop_64to32,
binop(Iop_Shr64, mkexpr(t2), mkU8(0x1))));
break;
}
case 0x13: { /* SUBQH_R.W */
DIP("subqh_r.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0, binop(Iop_Sub64,
unop(Iop_32Sto64, getIReg(rs)),
unop(Iop_32Sto64, getIReg(rt))));
assign(t1, binop(Iop_Add64,
mkexpr(t0),
mkU64(0x0000000000000001ULL)));
assign(t2, binop(Iop_And64,
mkexpr(t1),
mkU64(0x00000001fffffffeULL)));
putIReg(rd, unop(Iop_64to32,
binop(Iop_Shr64, mkexpr(t2), mkU8(0x1))));
break;
}
case 0x16: { /* MULQ_S.W */
DIP("mulq_s.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t0, binop(Iop_Shl64,
binop(Iop_MullS32,
getIReg(rt), getIReg(rs)),
mkU8(0x1)));
assign(t1, binop(Iop_CmpEQ32,
getIReg(rt), mkU32(0x80000000)));
assign(t2, binop(Iop_CmpEQ32,
getIReg(rs), mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl()),
getDSPControl()));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
mkU32(0x7fffffff),
unop(Iop_64HIto32,
mkexpr(t0))),
unop(Iop_64HIto32, mkexpr(t0))));
break;
}
case 0x17: { /* MULQ_RS.W */
DIP("mulq_rs.w r%d, r%d, r%d", rd, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I1);
assign(t0, binop(Iop_Add64,
binop(Iop_Shl64,
binop(Iop_MullS32,
getIReg(rt),
getIReg(rs)),
mkU8(0x1)),
mkU64(0x0000000080000000ULL)));
assign(t1,
binop(Iop_CmpEQ32, getIReg(rt), mkU32(0x80000000)));
assign(t2,
binop(Iop_CmpEQ32, getIReg(rs), mkU32(0x80000000)));
putDSPControl(IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
binop(Iop_Or32,
getDSPControl(),
mkU32(0x00200000)
),
getDSPControl()),
getDSPControl()));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
IRExpr_ITE(mkexpr(t2),
mkU32(0x7fffffff),
unop(Iop_64HIto32,
mkexpr(t0))),
unop(Iop_64HIto32, mkexpr(t0))));
break;
}
default:
return -1;
}
break; /* end of ADDUH.QB/MUL.PH */
}
case 0x30: { /* DPAQ.W.PH */
switch(sa) {
case 0x0: { /* DPA.W.PH */
DIP("dpa.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t1,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))))));
assign(t2,
binop(Iop_Add64,
getAcc(ac),
binop(Iop_Add64, mkexpr(t0), mkexpr(t1))));
putAcc(ac, mkexpr(t2));
break;
}
case 0x1: { /* DPS.W.PH */
DIP("dps.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t1,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))))));
assign(t2,
binop(Iop_Sub64,
getAcc(ac),
binop(Iop_Add64, mkexpr(t0), mkexpr(t1))));
putAcc(ac, mkexpr(t2));
break;
}
case 0x2: { /* MULSA.W.PH */
DIP("mulsa.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
assign(t4, getAcc(ac));
assign(t0, binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs)))));
assign(t1, binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs)))));
assign(t2, binop(Iop_Sub32, mkexpr(t1), mkexpr(t0)));
putAcc(ac, binop(Iop_Add64,
mkexpr(t4),
unop(Iop_32Sto64, mkexpr(t2))));
break;
}
case 0x3: { /* DPAU.H.QBL */
DIP("dpau.h.qbl ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t0,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t1,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t2,
unop(Iop_32Uto64,
binop(Iop_Add32,
mkexpr(t0),
mkexpr(t1))));
assign(t3,
binop(Iop_Add64, getAcc(ac), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x4: { /* DPAQ_S.W.PH */
DIP("dpaq_s.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t5, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))
),
mkU8(0x1)));
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8,
IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
mkU64(0x000000007fffffffULL),
mkexpr(t5)),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t9, binop(Iop_Add64,
binop(Iop_Add64, mkexpr(t4), mkexpr(t8)),
mkexpr(t0)));
putAcc(ac, mkexpr(t9));
break;
}
case 0x5: { /* DPSQ_S.W.PH */
DIP("dpsq_s.w.ph ac%d r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t5,
binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt)))),
mkU8(0x1)));
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8,
IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
mkU64(0x000000007fffffffULL),
mkexpr(t5)),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t9,
binop(Iop_Sub64,
mkexpr(t0),
binop(Iop_Add64, mkexpr(t4), mkexpr(t8))));
putAcc(ac, mkexpr(t9));
break;
}
case 0x6: { /* MULSAQ_S.W.PH */
DIP("mulsaq_s.w.ph ac%d r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I64);
t8 = newTemp(Ity_I32);
t9 = newTemp(Ity_I32);
assign(t0, unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))));
assign(t1, unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))));
assign(t8, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rs))),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16,
getIReg(rt))),
mkU32(0x8000)))));
/* DSPControl_outflag:16+acc <- 1 */
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t8),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x00010000),
mkU8(ac))),
getDSPControl()));
/* tempB_31..0 */
assign(t2,
IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t8), mkU32(0x0)),
mkU32(0x7FFFFFFF),
binop(Iop_Shl32,
binop(Iop_Mul32,
mkexpr(t0), mkexpr(t1)),
mkU8(1))));
assign(t3, unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))));
assign(t4, unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))));
assign(t9, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rs))),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16,
getIReg(rt))),
mkU32(0x8000)))));
/* DSPControl_outflag:16+acc <- 1 */
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t9),
mkU32(0x0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x00010000),
mkU8(ac))),
getDSPControl()));
/* tempA_31..0 */
assign(t5,
IRExpr_ITE(binop(Iop_CmpNE32,
mkexpr(t9),
mkU32(0x0)),
mkU32(0x7FFFFFFF),
binop(Iop_Shl32,
binop(Iop_Mul32,
mkexpr(t3),
mkexpr(t4)),
mkU8(1))));
/* dotp_63..0 */
assign(t6,
binop(Iop_Sub64,
unop(Iop_32Sto64, mkexpr(t2)),
unop(Iop_32Sto64, mkexpr(t5))));
/* tempC_63..0 */
assign(t7, binop(Iop_Add64, getAcc(ac), mkexpr(t6)));
putAcc(ac, mkexpr(t7));
break;
}
case 0x7: { /* DPAU.H.QBR */
DIP("dpau.h.qbr ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t0,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
assign(t1,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
assign(t2, unop(Iop_32Uto64,
binop(Iop_Add32, mkexpr(t0), mkexpr(t1))));
assign(t3, binop(Iop_Add64, getAcc(ac), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x8: { /* DPAX.W.PH */
DIP("dpax.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))))));
assign(t1,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t2,
binop(Iop_Add64,
getAcc(ac),
binop(Iop_Add64, mkexpr(t0), mkexpr(t1))));
putAcc(ac, mkexpr(t2));
break;
}
case 0x9: { /* DPSX.W.PH */
DIP("dpsx.w.ph ac%d r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t0,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))))));
assign(t1,
unop(Iop_32Sto64,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t2,
binop(Iop_Sub64,
getAcc(ac),
binop(Iop_Add64, mkexpr(t0), mkexpr(t1))));
putAcc(ac, mkexpr(t2));
break;
}
case 0xB: { /* DPSU.H.QBL */
DIP("dpsu.h.qbl ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t0,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t1,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32HIto16, getIReg(rt))))));
assign(t2,
unop(Iop_32Uto64,
binop(Iop_Add32, mkexpr(t0), mkexpr(t1))));
assign(t3,
binop(Iop_Sub64, getAcc(ac), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0xC: { /* DPAQ_SA.L.W */
DIP("dpaq_sa.l.w ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I64);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I1);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
getIReg(rs), getIReg(rt)),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
getIReg(rs),
mkU32(0x80000000)));
assign(t3, binop(Iop_CmpEQ32,
getIReg(rt),
mkU32(0x80000000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x7fffffffffffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t5, binop(Iop_Add64,
unop(Iop_32Uto64,
unop(Iop_64to32, mkexpr(t0))),
unop(Iop_32Uto64,
unop(Iop_64to32, mkexpr(t4)))));
assign(t6,
binop(Iop_Add64,
binop(Iop_Add64,
unop(Iop_32Sto64,
unop(Iop_64HIto32, mkexpr(t0))),
unop(Iop_32Sto64,
unop(Iop_64HIto32, mkexpr(t4)))),
unop(Iop_32Uto64,
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t5)),
mkU32(0x1)))));
assign(t7, binop(Iop_32HLto64,
unop(Iop_64to32, mkexpr(t6)),
unop(Iop_64to32, mkexpr(t5))));
assign(t8, binop(Iop_CmpEQ32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t6)),
mkU32(0x80000000)),
mkU8(31)),
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t6)),
mkU32(0x00000001))));
assign(t9, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t6)),
mkU32(0x00000001)),
mkU32(0x1)));
putDSPControl(IRExpr_ITE(mkexpr(t8),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
putAcc(ac,
IRExpr_ITE(mkexpr(t8),
mkexpr(t7),
IRExpr_ITE(mkexpr(t9),
mkU64(0x8000000000000000ULL),
mkU64(0x7fffffffffffffffULL)))
);
break;
}
case 0xD: { /* DPSQ_SA.L.W */
DIP("dpsq_sa.l.w ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I64);
t8 = newTemp(Ity_I1);
t9 = newTemp(Ity_I1);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
getIReg(rs), getIReg(rt)),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
getIReg(rs),
mkU32(0x80000000)));
assign(t3, binop(Iop_CmpEQ32,
getIReg(rt),
mkU32(0x80000000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x7fffffffffffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t5, binop(Iop_Sub64,
unop(Iop_32Uto64,
unop(Iop_64to32, mkexpr(t0))),
unop(Iop_32Uto64,
unop(Iop_64to32, mkexpr(t4)))));
assign(t6, binop(Iop_Sub64,
binop(Iop_Add64,
unop(Iop_32Sto64,
unop(Iop_64HIto32, mkexpr(t0))
),
unop(Iop_32Sto64,
unop(Iop_1Sto32,
binop(Iop_CmpLT32U,
unop(Iop_64to32,
mkexpr(t0)),
unop(Iop_64to32,
mkexpr(t4)))))),
unop(Iop_32Sto64,
unop(Iop_64HIto32, mkexpr(t4)))));
assign(t7, binop(Iop_32HLto64,
unop(Iop_64to32, mkexpr(t6)),
unop(Iop_64to32, mkexpr(t5))));
assign(t8, binop(Iop_CmpEQ32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t6)),
mkU32(0x80000000)),
mkU8(31)),
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t6)),
mkU32(0x00000001))));
assign(t9, binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t6)),
mkU32(0x00000001)),
mkU32(0x1)));
putDSPControl(IRExpr_ITE(mkexpr(t8),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
putAcc(ac,
IRExpr_ITE(mkexpr(t8),
mkexpr(t7),
IRExpr_ITE(mkexpr(t9),
mkU64(0x8000000000000000ULL),
mkU64(0x7fffffffffffffffULL)))
);
break;
}
case 0xF: { /* DPSU.H.QBR */
DIP("dpsu.h.qbr ac%d r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t0,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16HIto8,
unop(Iop_32to16, getIReg(rt))))));
assign(t1,
binop(Iop_Mul32,
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rs)))),
unop(Iop_8Uto32,
unop(Iop_16to8,
unop(Iop_32to16, getIReg(rt))))));
assign(t2, unop(Iop_32Uto64,
binop(Iop_Add32, mkexpr(t0), mkexpr(t1))));
assign(t3, binop(Iop_Sub64, getAcc(ac), mkexpr(t2)));
putAcc(ac, mkexpr(t3));
break;
}
case 0x10: { /* MAQ_SA.W.PHL */
DIP("maq_sa.w.phl ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl register.
*/
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
/* Add intermediate product and value in the
accumulator. */
assign(t5, binop(Iop_Add64, mkexpr(t0), mkexpr(t4)));
/* Compare bits 31 and 32 of the value in t5. */
assign(t6, binop(Iop_CmpEQ32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t5)),
mkU32(0x80000000)),
mkU8(31)),
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t5)),
mkU32(1))));
putDSPControl(IRExpr_ITE(mkexpr(t6),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
assign(t7,
IRExpr_ITE(mkexpr(t6),
mkexpr(t5),
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t5)),
mkU32(1)),
mkU32(0x0)),
mkU64(0x000000007fffffffULL),
mkU64(0xffffffff80000000ULL)))
);
putAcc(ac, mkexpr(t7));
break;
}
case 0x12: { /* MAQ_SA.W.PHR */
DIP("maq_sa.w.phr ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl
register. */
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
/* Add intermediate product and value in the
accumulator. */
assign(t5, binop(Iop_Add64, mkexpr(t0), mkexpr(t4)));
/* Compare bits 31 and 32 of the value in t5. */
assign(t6, binop(Iop_CmpEQ32,
binop(Iop_Shr32,
binop(Iop_And32,
unop(Iop_64to32, mkexpr(t5)),
mkU32(0x80000000)),
mkU8(31)),
binop(Iop_And32,
unop(Iop_64HIto32, mkexpr(t5)),
mkU32(1))));
putDSPControl(IRExpr_ITE(mkexpr(t6),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
assign(t7,
IRExpr_ITE(mkexpr(t6),
mkexpr(t5),
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t5)),
mkU32(1)),
mkU32(0x0)),
mkU64(0x000000007fffffffULL),
mkU64(0xffffffff80000000ULL)))
);
putAcc(ac, mkexpr(t7));
break;
}
case 0x14: { /* MAQ_S.W.PHL */
DIP("maq_s.w.phl ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I64);
assign(t5, getAcc(ac));
assign(t0, unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rs))));
assign(t1, unop(Iop_16Sto32,
unop(Iop_32HIto16, getIReg(rt))));
assign(t2, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xffff)),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0xffff)),
mkU32(0x8000)))));
assign(t3, binop(Iop_CmpEQ32, mkexpr(t2), mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
assign(t4, unop(Iop_64to32,
binop(Iop_MullS32,
mkexpr(t0), mkexpr(t1))));
putAcc(ac, IRExpr_ITE(mkexpr(t3),
binop(Iop_Add64,
unop(Iop_32Sto64,
binop(Iop_Shl32,
mkexpr(t4),
mkU8(0x1))),
mkexpr(t5)),
binop(Iop_Add64,
mkexpr(t5),
unop(Iop_32Sto64,
mkU32(0x7fffffff)))));
break;
}
case 0x16: { /* MAQ_S.W.PHR */
DIP("maq_s.w.phr ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I64);
assign(t5, getAcc(ac));
assign(t0, unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rs))));
assign(t1, unop(Iop_16Sto32,
unop(Iop_32to16, getIReg(rt))));
assign(t2, binop(Iop_And32,
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t0),
mkU32(0xffff)),
mkU32(0x8000))),
unop(Iop_1Sto32,
binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkU32(0xffff)),
mkU32(0x8000)))));
assign(t3, binop(Iop_CmpEQ32, mkexpr(t2), mkU32(0x0)));
putDSPControl(IRExpr_ITE(mkexpr(t3),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
assign(t4, unop(Iop_64to32,
binop(Iop_MullS32,
mkexpr(t0), mkexpr(t1))));
putAcc(ac, IRExpr_ITE(mkexpr(t3),
binop(Iop_Add64,
unop(Iop_32Sto64,
binop(Iop_Shl32,
mkexpr(t4),
mkU8(0x1))),
mkexpr(t5)),
binop(Iop_Add64,
mkexpr(t5),
unop(Iop_32Sto64,
mkU32(0x7fffffff)))));
break;
}
case 0x18: { /* DPAQX_S.W.PH */
DIP("dpaqx_s.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16))),
getDSPControl()),
getDSPControl()));
assign(t5, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1)));
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8,
IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
mkU64(0x000000007fffffffULL),
mkexpr(t5)),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t9, binop(Iop_Add64,
binop(Iop_Add64, mkexpr(t4), mkexpr(t8)),
mkexpr(t0)));
putAcc(ac, mkexpr(t9));
break;
}
case 0x19: { /* DPSQX_S.W.PH */
DIP("dpsqx_s.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
assign(t0, getAcc(ac));
assign(t1, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(0x1)));
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4,
IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
mkU64(0x000000007fffffffULL),
mkexpr(t1)),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(mkexpr(t2),
IRExpr_ITE(mkexpr(t3),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t5, binop(Iop_Shl64,
binop(Iop_MullS32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1)));
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8,
IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
mkU64(0x000000007fffffffULL),
mkexpr(t5)),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(mkexpr(t6),
IRExpr_ITE(mkexpr(t7),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)
)
),
getDSPControl()),
getDSPControl()));
assign(t9, binop(Iop_Sub64,
mkexpr(t0),
binop(Iop_Add64, mkexpr(t4), mkexpr(t8))));
putAcc(ac, mkexpr(t9));
break;
}
case 0x1A: { /* DPAQX_SA.W.PH */
DIP("dpaqx_sa.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
/* Calculate the first cross dot product and saturate if
needed. */
assign(t1, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl
register. */
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t2)),
unop(Iop_1Sto32,
mkexpr(t3))),
mkU32(0)),
mkU64(0x000000007fffffffULL),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t2)),
unop(Iop_1Sto32,
mkexpr(t3))),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16))),
getDSPControl()));
/* Calculate second cross dot product and saturate if
needed. */
assign(t5, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl
register. */
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t6)),
unop(Iop_1Sto32,
mkexpr(t7))),
mkU32(0)),
mkU64(0x000000007fffffffULL),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t6)),
unop(Iop_1Sto32,
mkexpr(t7))),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16))),
getDSPControl()));
/* Subtract intermediate products from value in the
accumulator. */
assign(t9,
binop(Iop_Add64,
mkexpr(t0),
binop(Iop_Add64, mkexpr(t8), mkexpr(t4))));
putAcc(ac,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x0)),
IRExpr_ITE(binop(Iop_CmpNE32,
unop(Iop_64HIto32,
binop(Iop_Shl64,
mkexpr(t9),
mkU8(1))),
mkU32(0x0)),
mkU64(0x000000007fffffffULL),
mkexpr(t9)),
IRExpr_ITE(binop(Iop_CmpNE32,
unop(Iop_64HIto32,
binop(Iop_Shl64,
mkexpr(t9),
mkU8(1))),
mkU32(0xffffffff)),
mkU64(0xffffffff80000000ULL),
mkexpr(t9))));
assign(t10, IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_64to32,
mkexpr(t9)),
unop(Iop_64to32,
getAcc(ac))),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_64HIto32,
mkexpr(t9)),
unop(Iop_64HIto32,
getAcc(ac))),
mkexpr(t10),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
break;
}
case 0x1B: { /* DPSQX_SA.W.PH */
DIP("dpsqx_sa.w.ph ac%d, r%d, r%d", ac, rs, rt);
vassert(!mode64);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I1);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I1);
t7 = newTemp(Ity_I1);
t8 = newTemp(Ity_I64);
t9 = newTemp(Ity_I64);
t10 = newTemp(Ity_I32);
assign(t0, getAcc(ac));
/* Calculate the first cross dot product and saturate if
needed. */
assign(t1, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl
register. */
assign(t2, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rs))),
mkU32(0x00008000)));
assign(t3, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rt))),
mkU32(0x00008000)));
assign(t4, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t2)),
unop(Iop_1Sto32,
mkexpr(t3))),
mkU32(0)),
mkU64(0x000000007fffffffULL),
mkexpr(t1)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t2)),
unop(Iop_1Sto32,
mkexpr(t3))),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16))),
getDSPControl()));
/* Calculate second cross dot product and saturate if
needed. */
assign(t5, unop(Iop_32Sto64,
binop(Iop_Shl32,
binop(Iop_Mul32,
unop(Iop_16Sto32,
unop(Iop_32to16,
getIReg(rs))),
unop(Iop_16Sto32,
unop(Iop_32HIto16,
getIReg(rt)))),
mkU8(0x1))));
/* If both input arguments are equal 0x8000, saturate
intermediate product and write to DSPControl
register. */
assign(t6, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32to16, getIReg(rs))),
mkU32(0x00008000)));
assign(t7, binop(Iop_CmpEQ32,
unop(Iop_16Uto32,
unop(Iop_32HIto16, getIReg(rt))),
mkU32(0x00008000)));
assign(t8, IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t6)),
unop(Iop_1Sto32,
mkexpr(t7))),
mkU32(0)),
mkU64(0x000000007fffffffULL),
mkexpr(t5)));
putDSPControl(IRExpr_ITE(binop(Iop_CmpNE32,
binop(Iop_And32,
unop(Iop_1Sto32,
mkexpr(t6)),
unop(Iop_1Sto32,
mkexpr(t7))),
mkU32(0)),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16))),
getDSPControl()));
/* Subtract intermediate products from value in the
accumulator. */
assign(t9,
binop(Iop_Sub64,
mkexpr(t0),
binop(Iop_Add64, mkexpr(t8), mkexpr(t4))));
putAcc(ac,
IRExpr_ITE(binop(Iop_CmpEQ32,
binop(Iop_And32,
unop(Iop_64HIto32,
mkexpr(t9)),
mkU32(0x80000000)),
mkU32(0x0)),
IRExpr_ITE(binop(Iop_CmpNE32,
unop(Iop_64HIto32,
binop(Iop_Shl64,
mkexpr(t9),
mkU8(1))),
mkU32(0x0)),
mkU64(0x000000007fffffffULL),
mkexpr(t9)),
IRExpr_ITE(binop(Iop_CmpNE32,
unop(Iop_64HIto32,
binop(Iop_Shl64,
mkexpr(t9),
mkU8(1))),
mkU32(0xffffffff)),
mkU64(0xffffffff80000000ULL),
mkexpr(t9))));
assign(t10, IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_64to32,
mkexpr(t9)),
unop(Iop_64to32,
getAcc(ac))),
getDSPControl(),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
putDSPControl(IRExpr_ITE(binop(Iop_CmpEQ32,
unop(Iop_64HIto32,
mkexpr(t9)),
unop(Iop_64HIto32,
getAcc(ac))),
mkexpr(t10),
binop(Iop_Or32,
getDSPControl(),
binop(Iop_Shl32,
mkU32(0x1),
mkU8(ac+16)))));
break;
}
default:
return -1;
}
break; /* end of DPAQ.W.PH */
}
case 0x31: { /* APPEND */
switch(sa) {
case 0x0: { /* APPEND */
DIP("append r%d, r%d, %d", rt, rs, rd);
vassert(!mode64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(t1, binop(Iop_Shl32, getIReg(rt), mkU8(rd)));
if (31 == rd) {
putIReg(rt, binop(Iop_Or32,
mkexpr(t1),
binop(Iop_And32,
getIReg(rs),
mkU32(0x7fffffff))));
} else if (1 == rd) {
putIReg(rt,
binop(Iop_Or32,
mkexpr(t1),
binop(Iop_And32,
getIReg(rs), mkU32(0x1))));
} else {
assign(t2,
unop(Iop_Not32,
binop(Iop_Shl32,
mkU32(0xffffffff), mkU8(rd))));
putIReg(rt, binop(Iop_Or32,
mkexpr(t1),
binop(Iop_And32,
getIReg(rs), mkexpr(t2))));
}
break;
}
case 0x1: { /* PREPEND */
DIP("prepend r%d, r%d, %d", rt, rs, rd);
vassert(!mode64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
if (0 != rd) {
assign(t1, binop(Iop_Shr32, getIReg(rt), mkU8(rd)));
if (31 == rd) {
putIReg(rt, binop(Iop_Or32,
mkexpr(t1),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rs),
mkU32(0x7fffffff)),
mkU8(1))));
} else if (1 == rd) {
putIReg(rt, binop(Iop_Or32,
mkexpr(t1),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rs),
mkU32(0x1)),
mkU8(31))));
} else {
assign(t2, binop(Iop_Add32, mkU32(rd), mkU32(0x1)));
assign(t3, unop(Iop_Not32,
binop(Iop_Shl32,
mkU32(0xffffffff),
unop(Iop_32to8, mkexpr(t2)))));
putIReg(rt, binop(Iop_Or32,
mkexpr(t1),
binop(Iop_Shl32,
binop(Iop_And32,
getIReg(rs),
mkexpr(t3)),
mkU8(32-rd))));
}
}
break;
}
case 0x10: { /* BALIGN */
DIP("balign r%d, r%d, %d", rt, rs, rd);
vassert(!mode64);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
if ((2 != rd) && (0 != rd)) {
assign(t1, binop(Iop_Shl32,
binop(Iop_And32,
mkU32(rd), mkU32(0x3)),
mkU8(0x3)));
assign(t2, binop(Iop_Shl32,
getIReg(rt),
unop(Iop_32to8, mkexpr(t1))));
assign(t3, binop(Iop_Shr32,
getIReg(rs),
unop(Iop_32to8,
binop(Iop_Shl32,
binop(Iop_Sub32,
mkU32(0x4),
binop(Iop_And32,
mkU32(rd),
mkU32(0x3))),
mkU8(0x3)))));
putIReg(rt, binop(Iop_Or32, mkexpr(t2), mkexpr(t3)));
}
break;
}
default:
return -1;
}
break; /* end of APPEND */
}
default:
return -1;
}
break;
}
default:
return -1;
}
return 0;
}
/*------------------------------------------------------------*/
/*--- Disassemble a single instruction ---*/
/*------------------------------------------------------------*/
/* Disassemble a single instruction into IR. The instruction is
located in host memory at guest_instr, and has guest IP of
guest_PC_curr_instr, which will have been set before the call
here. */
static DisResult disInstr_MIPS_WRK ( Bool(*resteerOkFn) (/*opaque */void *,
Addr),
Bool resteerCisOk,
void* callback_opaque,
Long delta64,
const VexArchInfo* archinfo,
const VexAbiInfo* abiinfo,
Bool sigill_diag )
{
IRTemp t0, t1 = 0, t2, t3, t4, t5, t6, t7;
UInt opcode, cins, rs, rt, rd, sa, ft, fs, fd, fmt, tf, nd, function,
trap_code, imm, instr_index, p, msb, lsb, size, rot, sel;
/* Additional variables for instruction fields in DSP ASE insructions */
UInt ac;
DisResult dres;
static IRExpr *lastn = NULL; /* last jump addr */
static IRStmt *bstmt = NULL; /* branch (Exit) stmt */
/* The running delta */
Int delta = (Int) delta64;
/* Holds eip at the start of the insn, so that we can print
consistent error messages for unimplemented insns. */
Int delta_start = delta;
/* Are we in a delay slot ? */
Bool delay_slot_branch, likely_delay_slot, delay_slot_jump;
/* Set result defaults. */
dres.whatNext = Dis_Continue;
dres.len = 0;
dres.continueAt = 0;
dres.jk_StopHere = Ijk_INVALID;
delay_slot_branch = likely_delay_slot = delay_slot_jump = False;
const UChar *code = guest_code + delta;
cins = getUInt(code);
DIP("\t0x%lx:\t0x%08x\t", (long)guest_PC_curr_instr, cins);
if (delta != 0) {
if (branch_or_jump(guest_code + delta - 4)) {
if (lastn == NULL && bstmt == NULL) {
vassert(0);
} else {
dres.whatNext = Dis_StopHere;
if (lastn != NULL) {
delay_slot_jump = True;
} else if (bstmt != NULL) {
delay_slot_branch = True;
}
}
}
if (branch_or_link_likely(guest_code + delta - 4)) {
likely_delay_slot = True;
}
}
/* Spot "Special" instructions (see comment at top of file). */
{
/* Spot the 16-byte preamble:
****mips32****
"srl $0, $0, 13
"srl $0, $0, 29
"srl $0, $0, 3
"srl $0, $0, 19
****mips64****
dsll $0, $0, 3
dsll $0, $0, 13
dsll $0, $0, 29
dsll $0, $0, 19 */
UInt word1 = mode64 ? 0xF8 : 0x342;
UInt word2 = mode64 ? 0x378 : 0x742;
UInt word3 = mode64 ? 0x778 : 0xC2;
UInt word4 = mode64 ? 0x4F8 : 0x4C2;
if (getUInt(code + 0) == word1 && getUInt(code + 4) == word2 &&
getUInt(code + 8) == word3 && getUInt(code + 12) == word4) {
/* Got a "Special" instruction preamble. Which one is it? */
if (getUInt(code + 16) == 0x01ad6825 /* or $13, $13, $13 */ ) {
/* $11 = client_request ( $12 ) */
DIP("$11 = client_request ( $12 )");
if (mode64)
putPC(mkU64(guest_PC_curr_instr + 20));
else
putPC(mkU32(guest_PC_curr_instr + 20));
dres.jk_StopHere = Ijk_ClientReq;
dres.whatNext = Dis_StopHere;
goto decode_success;
} else if (getUInt(code + 16) == 0x01ce7025 /* or $14, $14, $14 */ ) {
/* $11 = guest_NRADDR */
DIP("$11 = guest_NRADDR");
dres.len = 20;
delta += 20;
if (mode64)
putIReg(11, IRExpr_Get(offsetof(VexGuestMIPS64State,
guest_NRADDR), Ity_I64));
else
putIReg(11, IRExpr_Get(offsetof(VexGuestMIPS32State,
guest_NRADDR), Ity_I32));
goto decode_success;
} else if (getUInt(code + 16) == 0x01ef7825 /* or $15, $15, $15 */ ) {
/* branch-and-link-to-noredir $25 */
DIP("branch-and-link-to-noredir $25");
if (mode64)
putIReg(31, mkU64(guest_PC_curr_instr + 20));
else
putIReg(31, mkU32(guest_PC_curr_instr + 20));
putPC(getIReg(25));
dres.jk_StopHere = Ijk_NoRedir;
dres.whatNext = Dis_StopHere;
goto decode_success;
} else if (getUInt(code + 16) == 0x016b5825 /* or $11,$11,$11 */ ) {
/* IR injection */
DIP("IR injection");
#if defined (_MIPSEL)
vex_inject_ir(irsb, Iend_LE);
#elif defined (_MIPSEB)
vex_inject_ir(irsb, Iend_BE);
#endif
if (mode64) {
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_CMSTART),
mkU64(guest_PC_curr_instr)));
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_CMLEN),
mkU64(20)));
putPC(mkU64(guest_PC_curr_instr + 20));
} else {
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_CMSTART),
mkU32(guest_PC_curr_instr)));
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_CMLEN),
mkU32(20)));
putPC(mkU32(guest_PC_curr_instr + 20));
}
dres.whatNext = Dis_StopHere;
dres.jk_StopHere = Ijk_InvalICache;
dres.len = 20;
delta += 20;
goto decode_success;
}
/* We don't know what it is. Set opc1/opc2 so decode_failure
can print the insn following the Special-insn preamble. */
delta += 16;
goto decode_failure;
/*NOTREACHED*/}
}
opcode = get_opcode(cins);
imm = get_imm(cins);
rs = get_rs(cins);
rt = get_rt(cins);
rd = get_rd(cins);
sa = get_sa(cins);
fs = get_fs(cins);
fd = get_fd(cins);
ft = get_ft(cins);
tf = get_tf(cins);
nd = get_nd(cins);
sel = get_sel(cins);
fmt = get_fmt(cins);
instr_index = get_instr_index(cins);
trap_code = get_code(cins);
function = get_function(cins);
IRType ty = mode64 ? Ity_I64 : Ity_I32;
IRType tyF = fp_mode64 ? Ity_F64 : Ity_F32;
ac = get_acNo(cins);
switch (opcode) {
case 0x03: /* JAL */
DIP("jal 0x%x", instr_index);
if (mode64) {
putIReg(31, mkU64(guest_PC_curr_instr + 8));
t0 = newTemp(ty);
assign(t0, mkU64((guest_PC_curr_instr & 0xFFFFFFFFF0000000ULL) |
(instr_index << 2)));
} else {
putIReg(31, mkU32(guest_PC_curr_instr + 8));
t0 = newTemp(ty);
assign(t0, mkU32((guest_PC_curr_instr & 0xF0000000) |
(instr_index << 2)));
}
lastn = mkexpr(t0);
break;
case 0x02: /* J */
DIP("j 0x%x", instr_index);
t0 = newTemp(ty);
if (mode64)
assign(t0, mkU64((guest_PC_curr_instr & 0xFFFFFFFFF0000000ULL) |
(instr_index << 2)));
else
assign(t0, mkU32((guest_PC_curr_instr & 0xF0000000) |
(instr_index << 2)));
lastn = mkexpr(t0);
break;
case 0x11: { /* COP1 */
if (fmt == 0x3 && fd == 0 && function == 0) { /* MFHC1 */
DIP("mfhc1 r%d, f%d", rt, fs);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
assign(t0, unop(Iop_ReinterpF64asI64, getDReg(fs)));
assign(t1, unop(Iop_64HIto32, mkexpr(t0)));
putIReg(rt, mkWidenFrom32(ty, mkexpr(t1), True));
} else {
ILLEGAL_INSTRUCTON;
}
break;
} else if (fmt == 0x7 && fd == 0 && function == 0) { /* MTHC1 */
DIP("mthc1 r%d, f%d", rt, fs);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_32HLto64, getIReg(rt),
unop(Iop_ReinterpF32asI32,
getLoFromF64(Ity_F64 /* 32FPR mode. */,
getDReg(fs)))));
putDReg(fs, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
} else if (fmt == 0x8) { /* BC */
/* FcConditionalCode(bc1_cc) */
UInt bc1_cc = get_bc1_cc(cins);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(bc1_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(), mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + bc1_cc)),
mkU32(0x1))));
if (tf == 1 && nd == 0) {
/* branch on true */
DIP("bc1t %d, %d", bc1_cc, imm);
assign(t3, binop(Iop_CmpEQ32, mkU32(1), mkexpr(t2)));
dis_branch(False, mkexpr(t3), imm, &bstmt);
break;
} else if (tf == 0 && nd == 0) {
/* branch on false */
DIP("bc1f %d, %d", bc1_cc, imm);
assign(t3, binop(Iop_CmpEQ32, mkU32(0), mkexpr(t2)));
dis_branch(False, mkexpr(t3), imm, &bstmt);
break;
} else if (nd == 1 && tf == 0) {
DIP("bc1fl %d, %d", bc1_cc, imm);
lastn = dis_branch_likely(binop(Iop_CmpNE32, mkexpr(t2),
mkU32(0x0)), imm);
break;
} else if (nd == 1 && tf == 1) {
DIP("bc1tl %d, %d", bc1_cc, imm);
lastn = dis_branch_likely(binop(Iop_CmpEQ32, mkexpr(t2),
mkU32(0x0)), imm);
break;
} else
goto decode_failure;
} else {
switch (function) {
case 0x4: { /* SQRT.fmt */
switch (fmt) {
case 0x10: { /* S */
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, binop(Iop_SqrtF32, rm,
getLoFromF64(tyF, getFReg(fs)))));
break;
}
case 0x11: { /* D */
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, binop(Iop_SqrtF64, rm, getDReg(fs)));
break;
}
default:
goto decode_failure;
}
}
break;
case 0x5: /* abs.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("abs.s f%d, f%d", fd, fs);
putFReg(fd, mkWidenFromF32(tyF, unop(Iop_AbsF32,
getLoFromF64(tyF, getFReg(fs)))));
break;
case 0x11: /* D */
DIP("abs.d f%d, f%d", fd, fs);
putDReg(fd, unop(Iop_AbsF64, getDReg(fs)));
break;
default:
goto decode_failure;
}
break; /* case 0x5 */
case 0x02: /* MUL.fmt */
switch (fmt) {
case 0x11: { /* D */
DIP("mul.d f%d, f%d, f%d", fd, fs, ft);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, triop(Iop_MulF64, rm, getDReg(fs),
getDReg(ft)));
break;
}
case 0x10: { /* S */
DIP("mul.s f%d, f%d, f%d", fd, fs, ft);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_MulF32, rm,
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft)))));
break;
}
default:
goto decode_failure;
}
break; /* MUL.fmt */
case 0x03: /* DIV.fmt */
switch (fmt) {
case 0x11: { /* D */
DIP("div.d f%d, f%d, f%d", fd, fs, ft);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, triop(Iop_DivF64, rm, getDReg(fs),
getDReg(ft)));
break;
}
case 0x10: { /* S */
DIP("div.s f%d, f%d, f%d", fd, fs, ft);
calculateFCSR(fs, ft, DIVS, False, 2);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_DivF32, rm,
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft)))));
break;
}
default:
goto decode_failure;
}
break; /* DIV.fmt */
case 0x01: /* SUB.fmt */
switch (fmt) {
case 0x11: { /* D */
DIP("sub.d f%d, f%d, f%d", fd, fs, ft);
calculateFCSR(fs, ft, SUBD, False, 2);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, triop(Iop_SubF64, rm, getDReg(fs),
getDReg(ft)));
break;
}
case 0x10: { /* S */
DIP("sub.s f%d, f%d, f%d", fd, fs, ft);
calculateFCSR(fs, ft, SUBS, True, 2);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_SubF32, rm,
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft)))));
break;
}
default:
goto decode_failure;
}
break; /* SUB.fmt */
case 0x06: /* MOV.fmt */
switch (fmt) {
case 0x11: /* D */
DIP("mov.d f%d, f%d", fd, fs);
if (fp_mode64) {
putDReg(fd, getDReg(fs));
} else {
putFReg(fd, getFReg(fs));
putFReg(fd + 1, getFReg(fs + 1));
}
break;
case 0x10: /* S */
DIP("mov.s f%d, f%d", fd, fs);
putFReg(fd, getFReg(fs));
break;
default:
goto decode_failure;
}
break; /* MOV.fmt */
case 0x7: /* neg.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("neg.s f%d, f%d", fd, fs);
putFReg(fd, mkWidenFromF32(tyF, unop(Iop_NegF32,
getLoFromF64(tyF, getFReg(fs)))));
break;
case 0x11: /* D */
DIP("neg.d f%d, f%d", fd, fs);
putDReg(fd, unop(Iop_NegF64, getDReg(fs)));
break;
default:
goto decode_failure;
}
break; /* case 0x7 */
case 0x08: /* ROUND.L.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("round.l.s f%d, f%d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, ROUNDLS, True, 1);
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_F32toI64S, mkU32(0x0),
getLoFromF64(Ity_F64, getFReg(fs))));
putDReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
case 0x11: /* D */
DIP("round.l.d f%d, f%d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, ROUNDLD, False, 1);
putDReg(fd, binop(Iop_RoundF64toInt, mkU32(0x0),
getDReg(fs)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
default:
goto decode_failure;
}
break; /* ROUND.L.fmt */
case 0x09: /* TRUNC.L.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("trunc.l.s f%d, f%d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, TRUNCLS, True, 1);
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_F32toI64S, mkU32(0x3),
getLoFromF64(Ity_F64, getFReg(fs))));
putDReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
case 0x11: /* D */
DIP("trunc.l.d f%d, f%d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, TRUNCLD, False, 1);
putDReg(fd, binop(Iop_RoundF64toInt, mkU32(0x3),
getDReg(fs)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
default:
goto decode_failure;
}
break; /* TRUNC.L.fmt */
case 0x15: /* RECIP.fmt */
switch (fmt) {
case 0x10: { /* S */
DIP("recip.s f%d, f%d", fd, fs);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_DivF32,
rm, unop(Iop_ReinterpI32asF32,
mkU32(ONE_SINGLE)), getLoFromF64(tyF,
getFReg(fs)))));
break;
}
case 0x11: { /* D */
DIP("recip.d f%d, f%d", fd, fs);
IRExpr *rm = get_IR_roundingmode();
/* putDReg(fd, 1.0/getDreg(fs)); */
putDReg(fd, triop(Iop_DivF64, rm,
unop(Iop_ReinterpI64asF64,
mkU64(ONE_DOUBLE)), getDReg(fs)));
break;
}
default:
goto decode_failure;
}
break; /* case 0x15 */
case 0x13: /* MOVN.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("movn.s f%d, f%d, r%d", fd, fs, rt);
t1 = newTemp(Ity_F64);
t2 = newTemp(Ity_F64);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
if (mode64) {
assign(t1, getFReg(fs));
assign(t2, getFReg(fd));
assign(t3, binop(Iop_CmpNE64, mkU64(0), getIReg(rt)));
} else {
if (fp_mode64) {
assign(t1, getFReg(fs));
assign(t2, getFReg(fd));
assign(t3, binop(Iop_CmpNE32, mkU32(0), getIReg(rt)));
} else {
assign(t1, unop(Iop_F32toF64, getFReg(fs)));
assign(t2, unop(Iop_F32toF64, getFReg(fd)));
assign(t3, binop(Iop_CmpNE32, mkU32(0), getIReg(rt)));
}
}
assign(t4, IRExpr_ITE(mkexpr(t3), mkexpr(t1), mkexpr(t2)));
if (fp_mode64) {
IRTemp f = newTemp(Ity_F64);
IRTemp fd_hi = newTemp(Ity_I32);
t5 = newTemp(Ity_I64);
assign(f, getFReg(fd));
assign(fd_hi, unop(Iop_64HIto32, unop(Iop_ReinterpF64asI64,
mkexpr(f))));
assign(t5, mkWidenFrom32(Ity_I64, unop(Iop_64to32,
unop(Iop_ReinterpF64asI64, mkexpr(t4))), True));
putFReg(fd, unop (Iop_ReinterpI64asF64, mkexpr(t5)));
} else
putFReg(fd, binop(Iop_F64toF32, get_IR_roundingmode(),
mkexpr(t4)));
break;
case 0x11: /* D */
DIP("movn.d f%d, f%d, r%d", fd, fs, rt);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
if (mode64)
assign(t3, binop(Iop_CmpNE64, mkU64(0), getIReg(rt)));
else
assign(t3, binop(Iop_CmpNE32, mkU32(0), getIReg(rt)));
putDReg(fd, IRExpr_ITE(mkexpr(t3), getDReg(fs), getDReg(fd)));
break;
default:
goto decode_failure;
}
break; /* MOVN.fmt */
case 0x12: /* MOVZ.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("movz.s f%d, f%d, r%d", fd, fs, rt);
t1 = newTemp(Ity_F64);
t2 = newTemp(Ity_F64);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
if (fp_mode64) {
assign(t1, getFReg(fs));
assign(t2, getFReg(fd));
if (mode64)
assign(t3, binop(Iop_CmpEQ64, mkU64(0), getIReg(rt)));
else
assign(t3, binop(Iop_CmpEQ32, mkU32(0), getIReg(rt)));
} else {
assign(t1, unop(Iop_F32toF64, getFReg(fs)));
assign(t2, unop(Iop_F32toF64, getFReg(fd)));
assign(t3, binop(Iop_CmpEQ32, mkU32(0), getIReg(rt)));
}
assign(t4, IRExpr_ITE(mkexpr(t3), mkexpr(t1), mkexpr(t2)));
if (fp_mode64) {
IRTemp f = newTemp(Ity_F64);
IRTemp fd_hi = newTemp(Ity_I32);
t7 = newTemp(Ity_I64);
assign(f, getFReg(fd));
assign(fd_hi, unop(Iop_64HIto32,
unop(Iop_ReinterpF64asI64, mkexpr(f))));
assign(t7, mkWidenFrom32(Ity_I64, unop(Iop_64to32,
unop(Iop_ReinterpF64asI64, mkexpr(t4))), True));
putFReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t7)));
} else
putFReg(fd, binop(Iop_F64toF32, get_IR_roundingmode(),
mkexpr(t4)));
break;
case 0x11: /* D */
DIP("movz.d f%d, f%d, r%d", fd, fs, rt);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
if (mode64)
assign(t3, binop(Iop_CmpEQ64, mkU64(0), getIReg(rt)));
else
assign(t3, binop(Iop_CmpEQ32, mkU32(0), getIReg(rt)));
putDReg(fd, IRExpr_ITE(mkexpr(t3), getDReg(fs), getDReg(fd)));
break;
default:
goto decode_failure;
}
break; /* MOVZ.fmt */
case 0x11: /* MOVT.fmt */
if (tf == 1) {
UInt mov_cc = get_mov_cc(cins);
switch (fmt) { /* MOVCF = 010001 */
case 0x11: /* D */
DIP("movt.d f%d, f%d, %d", fd, fs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(1), mkexpr(t2)));
assign(t4, IRExpr_ITE(mkexpr(t3),
getDReg(fs), getDReg(fd)));
putDReg(fd, mkexpr(t4));
break;
case 0x10: /* S */
DIP("movt.s f%d, f%d, %d", fd, fs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
t5 = newTemp(Ity_F64);
t6 = newTemp(Ity_F64);
t7 = newTemp(Ity_I64);
if (fp_mode64) {
assign(t5, getFReg(fs));
assign(t6, getFReg(fd));
} else {
assign(t5, unop(Iop_F32toF64, getFReg(fs)));
assign(t6, unop(Iop_F32toF64, getFReg(fd)));
}
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(1), mkexpr(t2)));
assign(t4, IRExpr_ITE(mkexpr(t3),
mkexpr(t5), mkexpr(t6)));
if (fp_mode64) {
IRTemp f = newTemp(Ity_F64);
IRTemp fd_hi = newTemp(Ity_I32);
assign(f, getFReg(fd));
assign(fd_hi, unop(Iop_64HIto32,
unop(Iop_ReinterpF64asI64, mkexpr(f))));
assign(t7, mkWidenFrom32(Ity_I64, unop(Iop_64to32,
unop(Iop_ReinterpF64asI64, mkexpr(t4))),
True));
putFReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t7)));
} else
putFReg(fd, binop(Iop_F64toF32, get_IR_roundingmode(),
mkexpr(t4)));
break;
default:
goto decode_failure;
}
} else if (tf == 0) /* movf.fmt */
{
UInt mov_cc = get_mov_cc(cins);
switch (fmt) /* MOVCF = 010001 */
{
case 0x11: /* D */
DIP("movf.d f%d, f%d, %d", fd, fs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(0), mkexpr(t2)));
assign(t4, IRExpr_ITE(mkexpr(t3),
getDReg(fs), getDReg(fd)));
putDReg(fd, mkexpr(t4));
break;
case 0x10: /* S */
DIP("movf.s f%d, f%d, %d", fd, fs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
t4 = newTemp(Ity_F64);
t5 = newTemp(Ity_F64);
t6 = newTemp(Ity_F64);
if (fp_mode64) {
assign(t5, getFReg(fs));
assign(t6, getFReg(fd));
} else {
assign(t5, unop(Iop_F32toF64, getFReg(fs)));
assign(t6, unop(Iop_F32toF64, getFReg(fd)));
}
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(0), mkexpr(t2)));
assign(t4, IRExpr_ITE(mkexpr(t3),
mkexpr(t5), mkexpr(t6)));
if (fp_mode64) {
IRTemp f = newTemp(Ity_F64);
IRTemp fd_hi = newTemp(Ity_I32);
t7 = newTemp(Ity_I64);
assign(f, getFReg(fd));
assign(fd_hi, unop(Iop_64HIto32,
unop(Iop_ReinterpF64asI64, mkexpr(f))));
assign(t7, mkWidenFrom32(Ity_I64, unop(Iop_64to32,
unop(Iop_ReinterpF64asI64, mkexpr(t4))),
True));
putFReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t7)));
} else
putFReg(fd, binop(Iop_F64toF32, get_IR_roundingmode(),
mkexpr(t4)));
break;
default:
goto decode_failure;
}
}
break; /* MOVT.fmt */
case 0x0: /* add.fmt */
switch (fmt) {
case 0x10: { /* S */
DIP("add.s f%d, f%d, f%d", fd, fs, ft);
calculateFCSR(fs, ft, ADDS, True, 2);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_AddF32, rm,
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft)))));
break;
}
case 0x11: { /* D */
DIP("add.d f%d, f%d, f%d", fd, fs, ft);
calculateFCSR(fs, ft, ADDD, False, 2);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, triop(Iop_AddF64, rm, getDReg(fs), getDReg(ft)));
break;
}
case 0x4: /* MTC1 (Move Word to Floating Point) */
DIP("mtc1 r%d, f%d", rt, fs);
if (fp_mode64) {
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_F32);
assign(t0, mkNarrowTo32(ty, getIReg(rt)));
assign(t1, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
putFReg(fs, mkWidenFromF32(tyF, mkexpr(t1)));
} else
putFReg(fs, unop(Iop_ReinterpI32asF32, getIReg(rt)));
break;
case 0x5: /* Doubleword Move to Floating Point DMTC1; MIPS64 */
DIP("dmtc1 r%d, f%d", rt, fs);
vassert(mode64);
putFReg(fs, unop(Iop_ReinterpI64asF64, getIReg(rt)));
break;
case 0x0: /* MFC1 */
DIP("mfc1 r%d, f%d", rt, fs);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
putIReg(rt, mkWidenFrom32(ty, mkexpr(t1), True));
} else
putIReg(rt, unop(Iop_ReinterpF32asI32, getFReg(fs)));
break;
case 0x1: /* Doubleword Move from Floating Point DMFC1;
MIPS64 */
DIP("dmfc1 r%d, f%d", rt, fs);
putIReg(rt, unop(Iop_ReinterpF64asI64, getFReg(fs)));
break;
case 0x6: /* CTC1 */
DIP("ctc1 r%d, f%d", rt, fs);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
assign(t0, mkNarrowTo32(ty, getIReg(rt)));
if (fs == 25) { /* FCCR */
assign(t1, binop(Iop_Shl32, binop(Iop_And32, mkexpr(t0),
mkU32(0x000000FE)), mkU8(24)));
assign(t2, binop(Iop_And32, mkexpr(t0),
mkU32(0x01000000)));
assign(t3, binop(Iop_Shl32, binop(Iop_And32, mkexpr(t0),
mkU32(0x00000001)), mkU8(23)));
assign(t4, binop(Iop_And32, mkexpr(t0),
mkU32(0x007FFFFF)));
putFCSR(binop(Iop_Or32, binop(Iop_Or32, mkexpr(t1),
mkexpr(t2)), binop(Iop_Or32, mkexpr(t3),
mkexpr(t4))));
} else if (fs == 26) { /* FEXR */
assign(t1, binop(Iop_And32, getFCSR(), mkU32(0xFFFC0000)));
assign(t2, binop(Iop_And32, mkexpr(t0),
mkU32(0x0003F000)));
assign(t3, binop(Iop_And32, getFCSR(), mkU32(0x00000F80)));
assign(t4, binop(Iop_And32, mkexpr(t0),
mkU32(0x0000007C)));
assign(t5, binop(Iop_And32, getFCSR(), mkU32(0x00000003)));
putFCSR(binop(Iop_Or32, binop(Iop_Or32, binop(Iop_Or32,
mkexpr(t1), mkexpr(t2)), binop(Iop_Or32,
mkexpr(t3), mkexpr(t4))), mkexpr(t5)));
} else if (fs == 28) {
assign(t1, binop(Iop_And32, getFCSR(), mkU32(0xFE000000)));
assign(t2, binop(Iop_Shl32, binop(Iop_And32, mkexpr(t0),
mkU32(0x00000002)), mkU8(22)));
assign(t3, binop(Iop_And32, getFCSR(), mkU32(0x00FFF000)));
assign(t4, binop(Iop_And32, mkexpr(t0),
mkU32(0x00000F80)));
assign(t5, binop(Iop_And32, getFCSR(), mkU32(0x0000007C)));
assign(t6, binop(Iop_And32, mkexpr(t0),
mkU32(0x00000003)));
putFCSR(binop(Iop_Or32, binop(Iop_Or32, binop(Iop_Or32,
mkexpr(t1), mkexpr(t2)), binop(Iop_Or32,
mkexpr(t3), mkexpr(t4))), binop(Iop_Or32,
mkexpr(t5), mkexpr(t6))));
} else if (fs == 31) {
putFCSR(mkexpr(t0));
}
break;
case 0x2: /* CFC1 */
DIP("cfc1 r%d, f%d", rt, fs);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
assign(t0, getFCSR());
if (fs == 0) {
putIReg(rt, mkWidenFrom32(ty,
IRExpr_Get(offsetof(VexGuestMIPS32State,
guest_FIR),
Ity_I32),
False));
} else if (fs == 25) {
assign(t1, mkU32(0x000000FF));
assign(t2, binop(Iop_Shr32, binop(Iop_And32, mkexpr(t0),
mkU32(0xFE000000)), mkU8(25)));
assign(t3, binop(Iop_Shr32, binop(Iop_And32, mkexpr(t0),
mkU32(0x00800000)), mkU8(23)));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32,
binop(Iop_Or32, mkexpr(t1), mkexpr(t2)),
mkexpr(t3)), False));
} else if (fs == 26) {
assign(t1, mkU32(0xFFFFF07C));
assign(t2, binop(Iop_And32, mkexpr(t0),
mkU32(0x0003F000)));
assign(t3, binop(Iop_And32, mkexpr(t0),
mkU32(0x0000007C)));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32,
binop(Iop_Or32, mkexpr(t1), mkexpr(t2)),
mkexpr(t3)), False));
} else if (fs == 28) {
assign(t1, mkU32(0x00000F87));
assign(t2, binop(Iop_And32, mkexpr(t0),
mkU32(0x00000F83)));
assign(t3, binop(Iop_Shr32, binop(Iop_And32, mkexpr(t0),
mkU32(0x01000000)), mkU8(22)));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32,
binop(Iop_Or32, mkexpr(t1), mkexpr(t2)),
mkexpr(t3)), False));
} else if (fs == 31) {
putIReg(rt, mkWidenFrom32(ty, getFCSR(), False));
}
break;
default:
goto decode_failure;
}
break;
case 0x21: /* CVT.D */
switch (fmt) {
case 0x10: /* S */
DIP("cvt.d.s f%d, f%d", fd, fs);
calculateFCSR(fs, 0, CVTDS, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
assign(t3, unop(Iop_ReinterpI32asF32, mkexpr(t1)));
putFReg(fd, unop(Iop_F32toF64, mkexpr(t3)));
} else
putDReg(fd, unop(Iop_F32toF64, getFReg(fs)));
break;
case 0x14:
DIP("cvt.d.w %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTDW, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
putDReg(fd,unop(Iop_I32StoF64, mkexpr(t1)));
break;
} else {
t0 = newTemp(Ity_I32);
assign(t0, unop(Iop_ReinterpF32asI32, getFReg(fs)));
putDReg(fd, unop(Iop_I32StoF64, mkexpr(t0)));
break;
}
case 0x15: { /* L */
if (fp_mode64) {
DIP("cvt.d.l %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTDL, False, 1);
t0 = newTemp(Ity_I64);
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
putFReg(fd, binop(Iop_I64StoF64,
get_IR_roundingmode(), mkexpr(t0)));
break;
} else
goto decode_failure;
}
default:
goto decode_failure;
}
break; /* CVT.D */
case 0x20: /* cvt.s */
switch (fmt) {
case 0x14: /* W */
DIP("cvt.s.w %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTSW, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
putFReg(fd, mkWidenFromF32(tyF, binop(Iop_I32StoF32,
get_IR_roundingmode(), mkexpr(t1))));
} else {
t0 = newTemp(Ity_I32);
assign(t0, unop(Iop_ReinterpF32asI32, getFReg(fs)));
putFReg(fd, binop(Iop_I32StoF32, get_IR_roundingmode(),
mkexpr(t0)));
}
break;
case 0x11: /* D */
DIP("cvt.s.d %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTSD, False, 1);
t0 = newTemp(Ity_F32);
assign(t0, binop(Iop_F64toF32, get_IR_roundingmode(),
getDReg(fs)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t0)));
break;
case 0x15: /* L */
DIP("cvt.s.l %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTSL, False, 1);
t0 = newTemp(Ity_I64);
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
putFReg(fd, mkWidenFromF32(tyF, binop(Iop_I64StoF32,
get_IR_roundingmode(), mkexpr(t0))));
break;
default:
goto decode_failure;
}
break; /* cvt.s */
case 0x24: /* cvt.w */
switch (fmt) {
case 0x10: /* S */
DIP("cvt.w.s %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTWS, True, 1);
putFReg(fd,
mkWidenFromF32(tyF,
binop(Iop_RoundF32toInt,
get_IR_roundingmode(),
getLoFromF64(tyF, getFReg(fs))))
);
break;
case 0x11:
DIP("cvt.w.d %d, %d", fd, fs);
calculateFCSR(fs, 0, CVTWD, False, 1);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_F32);
assign(t0, binop(Iop_F64toI32S, get_IR_roundingmode(),
getDReg(fs)));
assign(t1, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t1)));
break;
default:
goto decode_failure;
}
break;
case 0x25: /* cvt.l */
switch (fmt) {
case 0x10: /* S */
DIP("cvt.l.s %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, CVTLS, True, 1);
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_F32toI64S, get_IR_roundingmode(),
getLoFromF64(tyF, getFReg(fs))));
putDReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
case 0x11: { /* D */
DIP("cvt.l.d %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, CVTLD, False, 1);
putDReg(fd, binop(Iop_RoundF64toInt,
get_IR_roundingmode(), getDReg(fs)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
}
default:
goto decode_failure;
}
break;
case 0x0B: /* FLOOR.L.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("floor.l.s %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, FLOORLS, True, 1);
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_F32toI64S, mkU32(0x1),
getLoFromF64(tyF, getFReg(fs))));
putDReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
case 0x11: /* D */
DIP("floor.l.d %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, FLOORLD, False, 1);
putDReg(fd, binop(Iop_RoundF64toInt, mkU32(0x1),
getDReg(fs)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
default:
goto decode_failure;
}
break;
case 0x0C: /* ROUND.W.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("round.w.s f%d, f%d", fd, fs);
calculateFCSR(fs, 0, ROUNDWS, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
assign(t3, unop(Iop_ReinterpI32asF32, mkexpr(t1)));
assign(t4, binop(Iop_RoundF32toInt, mkU32(0x0),
mkexpr(t3)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t4)));
} else
putFReg(fd, binop(Iop_RoundF32toInt, mkU32(0x0),
getFReg(fs)));
break;
case 0x11: /* D */
DIP("round.w.d f%d, f%d", fd, fs);
calculateFCSR(fs, 0, ROUNDWD, False, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x0),
getDReg(fs)));
putFReg(fd, mkWidenFromF32(tyF,
unop(Iop_ReinterpI32asF32, mkexpr(t0))));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x0),
getDReg(fs)));
putFReg(fd, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
}
break;
default:
goto decode_failure;
}
break; /* ROUND.W.fmt */
case 0x0F: /* FLOOR.W.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("floor.w.s f%d, f%d", fd, fs);
calculateFCSR(fs, 0, FLOORWS, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
assign(t3, unop(Iop_ReinterpI32asF32, mkexpr(t1)));
assign(t4, binop(Iop_RoundF32toInt, mkU32(0x1),
mkexpr(t3)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t4)));
} else
putFReg(fd, binop(Iop_RoundF32toInt, mkU32(0x1),
getFReg(fs)));
break;
case 0x11: /* D */
DIP("floor.w.d f%d, f%d", fd, fs);
calculateFCSR(fs, 0, FLOORWD, False, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x1),
getDReg(fs)));
putFReg(fd, mkWidenFromF32(tyF,
unop(Iop_ReinterpI32asF32, mkexpr(t0))));
break;
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x1),
getDReg(fs)));
putFReg(fd, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
break;
}
default:
goto decode_failure;
}
break; /* FLOOR.W.fmt */
case 0x0D: /* TRUNC.W */
switch (fmt) {
case 0x10: /* S */
DIP("trunc.w.s %d, %d", fd, fs);
calculateFCSR(fs, 0, TRUNCWS, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
assign(t3, unop(Iop_ReinterpI32asF32, mkexpr(t1)));
assign(t4, binop(Iop_RoundF32toInt, mkU32(0x3),
mkexpr(t3)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t4)));
} else
putFReg(fd, binop(Iop_RoundF32toInt, mkU32(0x3),
getFReg(fs)));
break;
case 0x11: /* D */
DIP("trunc.w.d %d, %d", fd, fs);
calculateFCSR(fs, 0, TRUNCWD, False, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x3),
getFReg(fs)));
putFReg(fd, mkWidenFromF32(tyF,
unop(Iop_ReinterpI32asF32, mkexpr(t0))));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x3),
getDReg(fs)));
putFReg(fd, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
}
break;
default:
goto decode_failure;
}
break;
case 0x0E: /* CEIL.W.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("ceil.w.s %d, %d", fd, fs);
calculateFCSR(fs, 0, CEILWS, True, 1);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_F32);
/* get lo half of FPR */
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(fs)));
assign(t1, unop(Iop_64to32, mkexpr(t0)));
assign(t3, unop(Iop_ReinterpI32asF32, mkexpr(t1)));
assign(t4, binop(Iop_RoundF32toInt, mkU32(0x2),
mkexpr(t3)));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t4)));
} else
putFReg(fd, binop(Iop_RoundF32toInt, mkU32(0x2),
getFReg(fs)));
break;
case 0x11: /* D */
DIP("ceil.w.d %d, %d", fd, fs);
calculateFCSR(fs, 0, CEILWD, False, 1);
if (!fp_mode64) {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x2),
getDReg(fs)));
putFReg(fd, unop(Iop_ReinterpI32asF32, mkexpr(t0)));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_F64toI32S, mkU32(0x2),
getDReg(fs)));
putFReg(fd, mkWidenFromF32(tyF,
unop(Iop_ReinterpI32asF32, mkexpr(t0))));
}
break;
default:
goto decode_failure;
}
break;
case 0x0A: /* CEIL.L.fmt */
switch (fmt) {
case 0x10: /* S */
DIP("ceil.l.s %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, CEILLS, True, 1);
t0 = newTemp(Ity_I64);
assign(t0, binop(Iop_F32toI64S, mkU32(0x2),
getLoFromF64(tyF, getFReg(fs))));
putFReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t0)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
case 0x11: /* D */
DIP("ceil.l.d %d, %d", fd, fs);
if (fp_mode64) {
calculateFCSR(fs, 0, CEILLD, False, 1);
putDReg(fd, binop(Iop_RoundF64toInt, mkU32(0x2),
getDReg(fs)));
} else {
ILLEGAL_INSTRUCTON;
}
break;
default:
goto decode_failure;
}
break;
case 0x16: /* RSQRT.fmt */
switch (fmt) {
case 0x10: { /* S */
DIP("rsqrt.s %d, %d", fd, fs);
IRExpr *rm = get_IR_roundingmode();
putFReg(fd, mkWidenFromF32(tyF, triop(Iop_DivF32, rm,
unop(Iop_ReinterpI32asF32, mkU32(ONE_SINGLE)),
binop(Iop_SqrtF32, rm, getLoFromF64(tyF,
getFReg(fs))))));
break;
}
case 0x11: { /* D */
DIP("rsqrt.d %d, %d", fd, fs);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, triop(Iop_DivF64, rm,
unop(Iop_ReinterpI64asF64,
mkU64(ONE_DOUBLE)),
binop(Iop_SqrtF64, rm, getDReg(fs))));
break;
}
default:
goto decode_failure;
}
break;
default:
if (dis_instr_CCondFmt(cins))
break;
goto decode_failure;
}
}
}
break; /* COP1 */
case 0x10: /* COP0 */
if (rs == 0) { /* MFC0 */
DIP("mfc0 r%d, r%d, %d", rt, rd, sel);
IRTemp val = newTemp(Ity_I32);
IRExpr** args = mkIRExprVec_3 (IRExpr_BBPTR(), mkU32(rd), mkU32(sel));
IRDirty *d = unsafeIRDirty_1_N(val,
0,
"mips32_dirtyhelper_mfc0",
&mips32_dirtyhelper_mfc0,
args);
stmt(IRStmt_Dirty(d));
putIReg(rt, mkexpr(val));
} else if (rs == 1) {
/* Doubleword Move from Coprocessor 0 - DMFC0; MIPS64 */
DIP("dmfc0 r%d, r%d, %d", rt, rd, sel);
IRTemp val = newTemp(Ity_I64);
IRExpr** args = mkIRExprVec_3 (IRExpr_BBPTR(), mkU64(rd), mkU64(sel));
IRDirty *d = unsafeIRDirty_1_N(val,
0,
"mips64_dirtyhelper_dmfc0",
&mips64_dirtyhelper_dmfc0,
args);
stmt(IRStmt_Dirty(d));
putDReg(rt, mkexpr(val));
} else
goto decode_failure;
break;
case 0x31: /* LWC1 */
/* Load Word to Floating Point - LWC1 (MIPS32) */
DIP("lwc1 f%d, %d(r%d)", ft, imm, rs);
if (fp_mode64) {
t1 = newTemp(Ity_F32);
t2 = newTemp(Ity_I64);
if (mode64) {
t0 = newTemp(Ity_I64);
/* new LO */
assign(t0, binop(Iop_Add64, getIReg(rs),
mkU64(extend_s_16to64(imm))));
} else {
t0 = newTemp(Ity_I32);
/* new LO */
assign(t0, binop(Iop_Add32, getIReg(rs),
mkU32(extend_s_16to32(imm))));
}
assign(t1, load(Ity_F32, mkexpr(t0)));
assign(t2, mkWidenFrom32(Ity_I64, unop(Iop_ReinterpF32asI32,
mkexpr(t1)), True));
putDReg(ft, unop(Iop_ReinterpI64asF64, mkexpr(t2)));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rs),
mkU32(extend_s_16to32(imm))));
putFReg(ft, load(Ity_F32, mkexpr(t0)));
}
break;
case 0x39: /* SWC1 */
DIP("swc1 f%d, %d(r%d)", ft, imm, rs);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t2 = newTemp(Ity_I32);
LOAD_STORE_PATTERN;
assign(t0, unop(Iop_ReinterpF64asI64, getFReg(ft)));
assign(t2, unop(Iop_64to32, mkexpr(t0)));
store(mkexpr(t1), unop(Iop_ReinterpI32asF32, mkexpr(t2)));
} else {
LOAD_STORE_PATTERN;
store(mkexpr(t1), getFReg(ft));
}
break;
case 0x33: /* PREF */
DIP("pref");
break;
case 0x35:
/* Load Doubleword to Floating Point - LDC1 (MIPS32) */
DIP("ldc1 f%d, %d(%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
putDReg(ft, load(Ity_F64, mkexpr(t1)));
break;
case 0x3D:
/* Store Doubleword from Floating Point - SDC1 */
DIP("sdc1 f%d, %d(%d)", ft, imm, rs);
LOAD_STORE_PATTERN;
store(mkexpr(t1), getDReg(ft));
break;
case 0x23: /* LW */
DIP("lw r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
putIReg(rt, mkWidenFrom32(ty, load(Ity_I32, mkexpr(t1)), True));
break;
case 0x20: /* LB */
DIP("lb r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
if (mode64)
putIReg(rt, unop(Iop_8Sto64, load(Ity_I8, mkexpr(t1))));
else
putIReg(rt, unop(Iop_8Sto32, load(Ity_I8, mkexpr(t1))));
break;
case 0x24: /* LBU */
DIP("lbu r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
if (mode64)
putIReg(rt, unop(Iop_8Uto64, load(Ity_I8, mkexpr(t1))));
else
putIReg(rt, unop(Iop_8Uto32, load(Ity_I8, mkexpr(t1))));
break;
case 0x21: /* LH */
DIP("lh r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
if (mode64)
putIReg(rt, unop(Iop_16Sto64, load(Ity_I16, mkexpr(t1))));
else
putIReg(rt, unop(Iop_16Sto32, load(Ity_I16, mkexpr(t1))));
break;
case 0x25: /* LHU */
DIP("lhu r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
if (mode64)
putIReg(rt, unop(Iop_16Uto64, load(Ity_I16, mkexpr(t1))));
else
putIReg(rt, unop(Iop_16Uto32, load(Ity_I16, mkexpr(t1))));
break;
case 0x0F: /* LUI */
p = (imm << 16);
DIP("lui r%d, imm: 0x%x", rt, imm);
if (mode64)
putIReg(rt, mkU64(extend_s_32to64(p)));
else
putIReg(rt, mkU32(p));
break;
case 0x13: /* COP1X */
switch (function) {
case 0x0: { /* LWXC1 */
/* Load Word Indexed to Floating Point - LWXC1 (MIPS32r2) */
DIP("lwxc1 f%d, r%d(r%d)", fd, rt, rs);
if (fp_mode64) {
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I32);
t3 = newTemp(Ity_F32);
t4 = newTemp(Ity_I64);
t2 = newTemp(ty);
/* new LO */
assign(t2, binop(mode64 ? Iop_Add64 : Iop_Add32, getIReg(rs),
getIReg(rt)));
assign(t3, load(Ity_F32, mkexpr(t2)));
assign(t4, mkWidenFrom32(Ity_I64, unop(Iop_ReinterpF32asI32,
mkexpr(t3)), True));
putFReg(fd, unop(Iop_ReinterpI64asF64, mkexpr(t4)));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rs), getIReg(rt)));
putFReg(fd, load(Ity_F32, mkexpr(t0)));
}
break;
}
case 0x1: { /* LDXC1 */
/* Load Doubleword Indexed to Floating Point
LDXC1 (MIPS32r2 and MIPS64) */
if (fp_mode64) {
DIP("ldxc1 f%d, r%d(r%d)", fd, rt, rs);
t0 = newTemp(ty);
assign(t0, binop(mode64 ? Iop_Add64 : Iop_Add32, getIReg(rs),
getIReg(rt)));
putFReg(fd, load(Ity_F64, mkexpr(t0)));
break;
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rs), getIReg(rt)));
t1 = newTemp(Ity_I32);
assign(t1, binop(Iop_Add32, mkexpr(t0), mkU32(4)));
#if defined (_MIPSEL)
putFReg(fd, load(Ity_F32, mkexpr(t0)));
putFReg(fd + 1, load(Ity_F32, mkexpr(t1)));
#elif defined (_MIPSEB)
putFReg(fd + 1, load(Ity_F32, mkexpr(t0)));
putFReg(fd, load(Ity_F32, mkexpr(t1)));
#endif
break;
}
}
case 0x5: /* Load Doubleword Indexed Unaligned to Floating Point - LUXC1;
MIPS32r2 */
DIP("luxc1 f%d, r%d(r%d)", fd, rt, rs);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, binop(Iop_Add64, getIReg(rs), getIReg(rt)));
assign(t1, binop(Iop_And64, mkexpr(t0),
mkU64(0xfffffffffffffff8ULL)));
putFReg(fd, load(Ity_F64, mkexpr(t1)));
break;
case 0x8: { /* Store Word Indexed from Floating Point - SWXC1 */
DIP("swxc1 f%d, r%d(r%d)", ft, rt, rs);
if (fp_mode64) {
t0 = newTemp(ty);
assign(t0, binop(mode64 ? Iop_Add64 : Iop_Add32, getIReg(rs),
getIReg(rt)));
store(mkexpr(t0), getLoFromF64(tyF, getFReg(fs)));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rs), getIReg(rt)));
store(mkexpr(t0), getFReg(fs));
}
break;
}
case 0x9: { /* Store Doubleword Indexed from Floating Point - SDXC1 */
DIP("sdc1 f%d, %d(%d)", ft, imm, rs);
if (fp_mode64) {
t0 = newTemp(ty);
assign(t0, binop(mode64 ? Iop_Add64 : Iop_Add32, getIReg(rs),
getIReg(rt)));
store(mkexpr(t0), getFReg(fs));
} else {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Add32, getIReg(rs), getIReg(rt)));
t1 = newTemp(Ity_I32);
assign(t1, binop(Iop_Add32, mkexpr(t0), mkU32(4)));
#if defined (_MIPSEL)
store(mkexpr(t0), getFReg(fs));
store(mkexpr(t1), getFReg(fs + 1));
#elif defined (_MIPSEB)
store(mkexpr(t0), getFReg(fs + 1));
store(mkexpr(t1), getFReg(fs));
#endif
}
break;
}
case 0xD: /* Store Doubleword Indexed Unaligned from Floating Point -
SUXC1; MIPS64 MIPS32r2 */
DIP("suxc1 f%d, r%d(r%d)", fd, rt, rs);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, binop(Iop_Add64, getIReg(rs), getIReg(rt)));
assign(t1, binop(Iop_And64, mkexpr(t0), mkU64(0xfffffffffffffff8ULL)));
store(mkexpr(t1), getFReg(fs));
break;
case 0x0F: {
DIP("prefx");
break;
}
case 0x20: { /* MADD.S */
DIP("madd.s f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F32);
assign(t1, qop(Iop_MAddF32, rm,
getLoFromF64(tyF, getFReg(fmt)),
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft))));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t1)));
break; /* MADD.S */
}
case 0x21: { /* MADD.D */
DIP("madd.d f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, qop(Iop_MAddF64, rm, getDReg(fmt), getDReg(fs),
getDReg(ft)));
break; /* MADD.D */
}
case 0x28: { /* MSUB.S */
DIP("msub.s f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F32);
assign(t1, qop(Iop_MSubF32, rm,
getLoFromF64(tyF, getFReg(fmt)),
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft))));
putFReg(fd, mkWidenFromF32(tyF, mkexpr(t1)));
break; /* MSUB.S */
}
case 0x29: { /* MSUB.D */
DIP("msub.d f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
putDReg(fd, qop(Iop_MSubF64, rm, getDReg(fmt), getDReg(fs),
getDReg(ft)));
break; /* MSUB.D */
}
case 0x30: { /* NMADD.S */
DIP("nmadd.s f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F32);
assign(t1, qop(Iop_MAddF32, rm,
getLoFromF64(tyF, getFReg(fmt)),
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft))));
putFReg(fd, mkWidenFromF32(tyF, unop(Iop_NegF32, mkexpr(t1))));
break; /* NMADD.S */
}
case 0x31: { /* NMADD.D */
DIP("nmadd.d f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F64);
assign(t1, qop(Iop_MAddF64, rm, getDReg(fmt), getDReg(fs),
getDReg(ft)));
putDReg(fd, unop(Iop_NegF64, mkexpr(t1)));
break; /* NMADD.D */
}
case 0x38: { /* NMSUBB.S */
DIP("nmsub.s f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F32);
assign(t1, qop(Iop_MSubF32, rm,
getLoFromF64(tyF, getFReg(fmt)),
getLoFromF64(tyF, getFReg(fs)),
getLoFromF64(tyF, getFReg(ft))));
putFReg(fd, mkWidenFromF32(tyF, unop(Iop_NegF32, mkexpr(t1))));
break; /* NMSUBB.S */
}
case 0x39: { /* NMSUBB.D */
DIP("nmsub.d f%d, f%d, f%d, f%d", fd, fmt, fs, ft);
IRExpr *rm = get_IR_roundingmode();
t1 = newTemp(Ity_F64);
assign(t1, qop(Iop_MSubF64, rm, getDReg(fmt), getDReg(fs),
getDReg(ft)));
putDReg(fd, unop(Iop_NegF64, mkexpr(t1)));
break; /* NMSUBB.D */
}
default:
goto decode_failure;
}
break;
case 0x22: /* LWL */
DIP("lwl r%d, %d(r%d)", rt, imm, rs);
if (mode64) {
/* t1 = addr */
t1 = newTemp(Ity_I64);
#if defined (_MIPSEL)
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
/* t4 = addr mod 4 */
LWX_SWX_PATTERN64;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shl32, mkNarrowTo32(ty, load(Ity_I64,
mkexpr(t2))), narrowTo(Ity_I8, binop(Iop_Shl32,
binop(Iop_Sub32, mkU32(0x03), mkexpr(t4)), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32,
mkNarrowTo32(ty, getIReg(rt)),
binop(Iop_Shr32,
mkU32(0x00FFFFFF),
narrowTo(Ity_I8, binop(Iop_Mul32,
mkU32(0x08),
mkexpr(t4))))));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t5),
mkexpr(t3)), True));
#elif defined (_MIPSEB)
assign(t1, binop(Iop_Xor64, mkU64(0x3),
binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm)))));
/* t2 = word addr */
/* t4 = addr mod 4 */
LWX_SWX_PATTERN64;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shl32, unop(Iop_64HIto32, load(Ity_I64,
mkexpr(t2))), narrowTo(Ity_I8, binop(Iop_Shl32,
binop(Iop_Sub32, mkU32(0x03), mkexpr(t4)), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32,
mkNarrowTo32(ty, getIReg(rt)),
binop(Iop_Shr32,
mkU32(0x00FFFFFF),
narrowTo(Ity_I8, binop(Iop_Mul32,
mkU32(0x08),
mkexpr(t4))))));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t5),
mkexpr(t3)), True));
#endif
} else {
/* t1 = addr */
t1 = newTemp(Ity_I32);
#if defined (_MIPSEL)
assign(t1, binop(Iop_Add32, getIReg(rs), mkU32(extend_s_16to32(imm))));
#elif defined (_MIPSEB)
assign(t1, binop(Iop_Xor32, mkU32(0x3), binop(Iop_Add32, getIReg(rs),
mkU32(extend_s_16to32(imm)))));
#endif
/* t2 = word addr */
/* t4 = addr mod 4 */
LWX_SWX_PATTERN;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shl32, load(Ity_I32, mkexpr(t2)), narrowTo(Ity_I8,
binop(Iop_Shl32, binop(Iop_Sub32, mkU32(0x03), mkexpr(t4)),
mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32,
getIReg(rt),
binop(Iop_Shr32,
mkU32(0x00FFFFFF),
narrowTo(Ity_I8, binop(Iop_Mul32,
mkU32(0x08),
mkexpr(t4))))));
putIReg(rt, binop(Iop_Or32, mkexpr(t5), mkexpr(t3)));
}
break;
case 0x26: /* LWR */
DIP("lwr r%d, %d(r%d)", rt, imm, rs);
if (mode64) {
/* t1 = addr */
t1 = newTemp(Ity_I64);
#if defined (_MIPSEL)
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
/* t4 = addr mod 8 */
LWX_SWX_PATTERN64;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shr32, mkNarrowTo32(ty, load(Ity_I64,mkexpr(t2))),
narrowTo(Ity_I8, binop(Iop_Shl32, mkexpr(t4), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32, mkNarrowTo32(ty, getIReg(rt)),
unop(Iop_Not32, binop(Iop_Shr32, mkU32(0xFFFFFFFF),
narrowTo(Ity_I8, binop(Iop_Shl32, mkexpr(t4), mkU8(0x3)))))));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t5),
mkexpr(t3)), True));
#elif defined (_MIPSEB)
assign(t1, binop(Iop_Xor64, mkU64(0x3), binop(Iop_Add64, getIReg(rs),
mkU64(extend_s_16to64(imm)))));
/* t2 = word addr */
/* t4 = addr mod 4 */
LWX_SWX_PATTERN64;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shr32, unop(Iop_64HIto32, load(Ity_I64,mkexpr(t2))),
narrowTo(Ity_I8, binop(Iop_Shl32, mkexpr(t4), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32, mkNarrowTo32(ty, getIReg(rt)),
unop(Iop_Not32, binop(Iop_Shr32, mkU32(0xFFFFFFFF),
narrowTo(Ity_I8, binop(Iop_Shl32, mkexpr(t4), mkU8(0x3)))))));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t5),
mkexpr(t3)), True));
#endif
} else {
/* t1 = addr */
t1 = newTemp(Ity_I32);
#if defined (_MIPSEL)
assign(t1, binop(Iop_Add32, getIReg(rs), mkU32(extend_s_16to32(imm))));
#elif defined (_MIPSEB)
assign(t1, binop(Iop_Xor32, mkU32(0x3), binop(Iop_Add32, getIReg(rs),
mkU32(extend_s_16to32(imm)))));
#endif
/* t2 = word addr */
/* t4 = addr mod 4 */
LWX_SWX_PATTERN;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_Shr32, load(Ity_I32, mkexpr(t2)),
narrowTo(Ity_I8, binop(Iop_Shl32, mkexpr(t4),
mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_And32, getIReg(rt), unop(Iop_Not32,
binop(Iop_Shr32, mkU32(0xFFFFFFFF), narrowTo(Ity_I8,
binop(Iop_Shl32, mkexpr(t4), mkU8(0x3)))))));
putIReg(rt, binop(Iop_Or32, mkexpr(t5), mkexpr(t3)));
}
break;
case 0x2B: /* SW */
DIP("sw r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
store(mkexpr(t1), mkNarrowTo32(ty, getIReg(rt)));
break;
case 0x2C: { /* SDL rt, offset(base) MIPS64 */
DIP("sdl r%u, %d(r%u)", rt, (Int) imm, rs);
vassert(mode64);
IRTemp A_byte = newTemp(Ity_I8);
IRTemp B_byte = newTemp(Ity_I8);
IRTemp C_byte = newTemp(Ity_I8);
IRTemp D_byte = newTemp(Ity_I8);
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp B_pos = newTemp(Ity_I64);
IRTemp C_pos = newTemp(Ity_I64);
IRTemp D_pos = newTemp(Ity_I64);
IRTemp E_pos = newTemp(Ity_I64);
IRTemp F_pos = newTemp(Ity_I64);
IRTemp G_pos = newTemp(Ity_I64);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* D byte */
assign(D_byte, getByteFromReg(rt, 4));
/* C byte */
assign(C_byte, getByteFromReg(rt, 5));
/* B byte */
assign(B_byte, getByteFromReg(rt, 6));
/* A byte */
assign(A_byte, getByteFromReg(rt, 7));
/* t1 = addr */
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFF8ULL)));
/* t3 = addr mod 7 */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_And64, mkexpr(t1), mkU64(0x7)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(B_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x1)),
mkU64(0x0),
mkU64(0x1)));
assign(C_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x2)),
mkU64(0x0),
mkU64(0x2)));
assign(D_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x3)),
mkU64(0x0),
mkU64(0x3)));
assign(E_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x4)),
mkU64(0x0),
mkU64(0x4)));
assign(F_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x5)),
mkU64(0x0),
mkU64(0x5)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x7)),
mkU64(0x1),
mkU64(0x0)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(H_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(E_pos)), mkexpr(E_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(D_pos)), mkexpr(D_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(C_pos)), mkexpr(C_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(B_pos)), mkexpr(B_byte));
store(mkexpr(t1), mkexpr(A_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(B_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x7)),
mkU64(0x0),
mkU64(0x1)));
assign(C_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x6)),
mkU64(0x2),
mkU64(0x0)));
assign(D_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x5)),
mkU64(0x3),
mkU64(0x0)));
assign(E_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x4)),
mkU64(0x4),
mkU64(0x0)));
assign(F_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkexpr(t3), mkU64(0x3)),
mkU64(0x5),
mkU64(0x0)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x6),
mkU64(0x7)));
/* Store X_byte on the right place. */
store(binop(Iop_Add64, mkexpr(t2), mkU64(0x7)), mkexpr(H_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(E_pos)), mkexpr(E_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(D_pos)), mkexpr(D_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(C_pos)), mkexpr(C_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(B_pos)), mkexpr(B_byte));
store(mkexpr(t1), mkexpr(A_byte));
#endif
break;
}
case 0x2D: {
/* SDR rt, offset(base) - MIPS64 */
vassert(mode64);
DIP("sdr r%u, %d(r%u)", rt, imm, rs);
IRTemp A_byte = newTemp(Ity_I8);
IRTemp B_byte = newTemp(Ity_I8);
IRTemp C_byte = newTemp(Ity_I8);
IRTemp D_byte = newTemp(Ity_I8);
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp B_pos = newTemp(Ity_I64);
IRTemp C_pos = newTemp(Ity_I64);
IRTemp D_pos = newTemp(Ity_I64);
IRTemp E_pos = newTemp(Ity_I64);
IRTemp F_pos = newTemp(Ity_I64);
IRTemp G_pos = newTemp(Ity_I64);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* D byte */
assign(D_byte, getByteFromReg(rt, 4));
/* C byte */
assign(C_byte, getByteFromReg(rt, 5));
/* B byte */
assign(B_byte, getByteFromReg(rt, 6));
/* A byte */
assign(A_byte, getByteFromReg(rt, 7));
/* t1 = addr */
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFF8ULL)));
/* t3 = addr mod 7 */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_And64, mkexpr(t1), mkU64(0x7)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(B_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x1), mkexpr(t3)),
mkU64(0x0),
mkU64(0x6)));
assign(C_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x2), mkexpr(t3)),
mkU64(0x0),
mkU64(0x5)));
assign(D_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x3), mkexpr(t3)),
mkU64(0x0),
mkU64(0x4)));
assign(E_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x4), mkexpr(t3)),
mkU64(0x0),
mkU64(0x3)));
assign(F_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x5), mkexpr(t3)),
mkU64(0x0),
mkU64(0x2)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x7)),
mkU64(0x0),
mkU64(0x1)));
/* Store X_byte on the right place. */
store(binop(Iop_Add64, mkexpr(t2), mkU64(0x7)), mkexpr(A_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(B_pos)), mkexpr(B_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(C_pos)), mkexpr(C_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(D_pos)), mkexpr(D_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(E_pos)), mkexpr(E_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(B_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x5), mkexpr(t3)),
mkU64(0x6),
mkU64(0x0)));
assign(C_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x4), mkexpr(t3)),
mkU64(0x5),
mkU64(0x0)));
assign(D_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x3), mkexpr(t3)),
mkU64(0x4),
mkU64(0x0)));
assign(E_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x2), mkexpr(t3)),
mkU64(0x3),
mkU64(0x0)));
assign(F_pos, IRExpr_ITE(binop(Iop_CmpLT64U, mkU64(0x1), mkexpr(t3)),
mkU64(0x2),
mkU64(0x0)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x0),
mkU64(0x1)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(A_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(B_pos)), mkexpr(B_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(C_pos)), mkexpr(C_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(D_pos)), mkexpr(D_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(E_pos)), mkexpr(E_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#endif
break;
}
case 0x28: /* SB */
DIP("sb r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
store(mkexpr(t1), narrowTo(Ity_I8, getIReg(rt)));
break;
case 0x29: /* SH */
DIP("sh r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
store(mkexpr(t1), narrowTo(Ity_I16, getIReg(rt)));
break;
case 0x2A: /* SWL */
DIP("swl r%d, %d(r%d)", rt, imm, rs);
if (mode64) {
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp F_pos = newTemp(Ity_I64);
IRTemp G_pos = newTemp(Ity_I64);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* t1 = addr */
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFFCULL)));
/* t3 = addr mod 4 */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_And64, mkexpr(t1), mkU64(0x3)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x0),
mkU64(0x1)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x3)),
mkU64(0x1),
mkU64(0x0)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(H_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(mkexpr(t1), mkexpr(E_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x3)),
mkU64(0x0),
mkU64(0x1)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x2),
mkU64(0x3)));
store(binop(Iop_Add64, mkexpr(t2), mkU64(3)), mkexpr(H_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(mkexpr(t1), mkexpr(E_byte));
#endif
} else {
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp F_pos = newTemp(Ity_I32);
IRTemp G_pos = newTemp(Ity_I32);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* t1 = addr */
t1 = newTemp(Ity_I32);
assign(t1, binop(Iop_Add32, getIReg(rs), mkU32(extend_s_16to32(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I32);
assign(t2, binop(Iop_And32, mkexpr(t1), mkU32(0xFFFFFFFCULL)));
/* t3 = addr mod 4 */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_And32, mkexpr(t1), mkU32(0x3)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x0)),
mkU32(0x0),
mkU32(0x1)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x3)),
mkU32(0x1),
mkU32(0x0)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(H_byte));
store(binop(Iop_Add32, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Sub32, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(mkexpr(t1), mkexpr(E_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x3)),
mkU32(0x0),
mkU32(0x1)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x0)),
mkU32(0x2),
mkU32(0x3)));
store(binop(Iop_Add32, mkexpr(t2), mkU32(3)), mkexpr(H_byte));
store(binop(Iop_Add32, mkexpr(t2), mkexpr(G_pos)), mkexpr(G_byte));
store(binop(Iop_Add32, mkexpr(t1), mkexpr(F_pos)), mkexpr(F_byte));
store(mkexpr(t1), mkexpr(E_byte));
#endif
}
break;
case 0x2E: /* SWR */
DIP("swr r%d, %d(r%d)", rt, imm, rs);
if (mode64) {
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp F_pos = newTemp(Ity_I64);
IRTemp G_pos = newTemp(Ity_I64);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* t1 = addr */
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_And64, mkexpr(t1), mkU64(0xFFFFFFFFFFFFFFFCULL)));
/* t3 = addr mod 4 */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_And64, mkexpr(t1), mkU64(0x3)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x2),
mkU64(0x3)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x3)),
mkU64(0x0),
mkU64(0x1)));
/* Store X_byte on the right place. */
store(binop(Iop_Add64, mkexpr(t2), mkU64(0x3)), mkexpr(E_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Add64, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x3)),
mkU64(0x1),
mkU64(0x0)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ64, mkexpr(t3), mkU64(0x0)),
mkU64(0x0),
mkU64(0x1)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(E_byte));
store(binop(Iop_Add64, mkexpr(t2), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Sub64, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#endif
} else {
IRTemp E_byte = newTemp(Ity_I8);
IRTemp F_byte = newTemp(Ity_I8);
IRTemp G_byte = newTemp(Ity_I8);
IRTemp H_byte = newTemp(Ity_I8);
IRTemp F_pos = newTemp(Ity_I32);
IRTemp G_pos = newTemp(Ity_I32);
/* H byte */
assign(H_byte, getByteFromReg(rt, 0));
/* G byte */
assign(G_byte, getByteFromReg(rt, 1));
/* F byte */
assign(F_byte, getByteFromReg(rt, 2));
/* E byte */
assign(E_byte, getByteFromReg(rt, 3));
/* t1 = addr */
t1 = newTemp(Ity_I32);
assign(t1, binop(Iop_Add32, getIReg(rs), mkU32(extend_s_16to32(imm))));
/* t2 = word addr */
t2 = newTemp(Ity_I32);
assign(t2, binop(Iop_And32, mkexpr(t1), mkU32(0xFFFFFFFCULL)));
/* t3 = addr mod 4 */
t3 = newTemp(Ity_I32);
assign(t3, binop(Iop_And32, mkexpr(t1), mkU32(0x3)));
#if defined (_MIPSEL)
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x0)),
mkU32(0x2),
mkU32(0x3)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x3)),
mkU32(0x0),
mkU32(0x1)));
/* Store X_byte on the right place. */
store(binop(Iop_Add32, mkexpr(t2), mkU32(0x3)), mkexpr(E_byte));
store(binop(Iop_Add32, mkexpr(t2), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Add32, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#else /* _MIPSEB */
/* Calculate X_byte position. */
assign(F_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x3)),
mkU32(0x1),
mkU32(0x0)));
assign(G_pos, IRExpr_ITE(binop(Iop_CmpEQ32, mkexpr(t3), mkU32(0x0)),
mkU32(0x0),
mkU32(0x1)));
/* Store X_byte on the right place. */
store(mkexpr(t2), mkexpr(E_byte));
store(binop(Iop_Add32, mkexpr(t2), mkexpr(F_pos)), mkexpr(F_byte));
store(binop(Iop_Sub32, mkexpr(t1), mkexpr(G_pos)), mkexpr(G_byte));
store(mkexpr(t1), mkexpr(H_byte));
#endif
}
break;
case 0x1C: /* Special2 */
switch (function) {
/* Cavium Specific instructions */
case 0x03: case 0x32: case 0x33: /* DMUL, CINS , CINS32 */
case 0x3A: case 0x3B: case 0x2B: /* EXT, EXT32, SNE */
/* CVM Compare Instructions */
case 0x2A: case 0x2E: case 0x2F: /* SEQ, SEQI, SNEI */
/* CPU Load, Store, Memory, and Control Instructions */
case 0x18: case 0x19: /* SAA, SAAD */
case 0x1F: /* LAA, LAAD, LAI, LAID */
case 0x28: case 0x2C: case 0x2D: /* BADDU, POP, DPOP */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
if (dis_instr_CVM(cins))
break;
goto decode_failure;
} else {
goto decode_failure;
}
break;
case 0x02: { /* MUL */
DIP("mul r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
IRTemp tmpRs32 = newTemp(Ity_I32);
IRTemp tmpRt32 = newTemp(Ity_I32);
IRTemp tmpRes = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpRes, binop(Iop_Mul32,
mkexpr(tmpRs32), mkexpr(tmpRt32)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpRes), True));
} else
putIReg(rd, binop(Iop_Mul32, getIReg(rs), getIReg(rt)));
break;
}
case 0x00: { /* MADD */
if (mode64) {
DIP("madd r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I32);
assign(t1, mkNarrowTo32(ty, getHI()));
assign(t2, mkNarrowTo32(ty, getLO()));
assign(t3, binop(Iop_MullS32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
assign(t4, binop(Iop_32HLto64, mkexpr(t1), mkexpr(t2)));
assign(t5, binop(Iop_Add64, mkexpr(t3), mkexpr(t4)));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t5)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t5)), True));
} else {
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MADD */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("madd r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
assign(t1, getHI());
assign(t2, getLO());
assign(t3, binop(Iop_MullS32, getIReg(rs), getIReg(rt)));
assign(t4, binop(Iop_Add32, mkexpr(t2), unop(Iop_64to32,
mkexpr(t3))));
assign(t5, unop(Iop_1Uto32, binop(Iop_CmpLT32U, mkexpr(t4),
unop(Iop_64to32, mkexpr(t3)))));
assign(t6, binop(Iop_Add32, mkexpr(t5), mkexpr(t1)));
putHI(binop(Iop_Add32, mkexpr(t6), unop(Iop_64HIto32,
mkexpr(t3))));
putLO(mkexpr(t4));
break;
}
}
break;
}
case 0x01: { /* MADDU */
if (mode64) {
DIP("maddu r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I32);
assign(t1, mkNarrowTo32(ty, getHI()));
assign(t2, mkNarrowTo32(ty, getLO()));
assign(t3, binop(Iop_MullU32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
assign(t4, binop(Iop_32HLto64, mkexpr(t1), mkexpr(t2)));
assign(t5, binop(Iop_Add64, mkexpr(t3), mkexpr(t4)));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t5)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t5)), True));
} else {
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MADDU */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("maddu r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
assign(t1, getHI());
assign(t2, getLO());
assign(t3, binop(Iop_MullU32, getIReg(rs), getIReg(rt)));
assign(t4, binop(Iop_Add32, mkexpr(t2), unop(Iop_64to32,
mkexpr(t3))));
assign(t5, unop(Iop_1Uto32, binop(Iop_CmpLT32U, mkexpr(t4),
unop(Iop_64to32, mkexpr(t3)))));
assign(t6, binop(Iop_Add32, mkexpr(t5), mkexpr(t1)));
putHI(binop(Iop_Add32, mkexpr(t6), unop(Iop_64HIto32,
mkexpr(t3))));
putLO(mkexpr(t4));
break;
}
}
break;
}
case 0x04: { /* MSUB */
if (mode64) {
DIP("msub r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I32);
assign(t1, mkNarrowTo32(ty, getHI()));
assign(t2, mkNarrowTo32(ty, getLO()));
assign(t3, binop(Iop_MullS32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
assign(t4, binop(Iop_32HLto64, mkexpr(t1), mkexpr(t2)));
assign(t5, binop(Iop_Sub64, mkexpr(t4), mkexpr(t3)));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t5)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t5)), True));
} else {
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MSUB */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("msub r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
assign(t1, getHI());
assign(t2, getLO());
assign(t3, binop(Iop_MullS32, getIReg(rs), getIReg(rt)));
assign(t4, unop(Iop_64to32, mkexpr(t3))); /* new lo */
/* if lo<lo(mul) hi = hi - 1 */
assign(t5, binop(Iop_CmpLT32U,
mkexpr(t2),
mkexpr(t4)));
assign(t6, IRExpr_ITE(mkexpr(t5),
binop(Iop_Sub32, mkexpr(t1), mkU32(0x1)),
mkexpr(t1)));
putHI(binop(Iop_Sub32, mkexpr(t6), unop(Iop_64HIto32,
mkexpr(t3))));
putLO(binop(Iop_Sub32, mkexpr(t2), mkexpr(t4)));
break;
}
}
break;
}
case 0x05: { /* MSUBU */
if (mode64) {
DIP("msubu r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I32);
assign(t1, mkNarrowTo32(ty, getHI()));
assign(t2, mkNarrowTo32(ty, getLO()));
assign(t3, binop(Iop_MullU32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
assign(t4, binop(Iop_32HLto64, mkexpr(t1), mkexpr(t2)));
assign(t5, binop(Iop_Sub64, mkexpr(t4), mkexpr(t3)));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t5)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t5)), True));
} else {
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MSUBU */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("msubu r%d, r%d", rs, rt);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I1);
t6 = newTemp(Ity_I32);
assign(t1, getHI());
assign(t2, getLO());
assign(t3, binop(Iop_MullU32, getIReg(rs), getIReg(rt)));
assign(t4, unop(Iop_64to32, mkexpr(t3))); /* new lo */
/* if lo<lo(mul) hi = hi - 1 */
assign(t5, binop(Iop_CmpLT32U,
mkexpr(t2),
mkexpr(t4)));
assign(t6, IRExpr_ITE(mkexpr(t5),
binop(Iop_Sub32,
mkexpr(t1),
mkU32(0x1)),
mkexpr(t1)));
putHI(binop(Iop_Sub32, mkexpr(t6), unop(Iop_64HIto32,
mkexpr(t3))));
putLO(binop(Iop_Sub32, mkexpr(t2), mkexpr(t4)));
break;
}
}
break;
}
case 0x6: /* dmul MIPS64 - Netlogic */
DIP("dmul r%u, r%u, r%u", rd, rs, rt);
t0 = newTemp(Ity_I128);
assign(t0, binop(Iop_MullU64, getIReg(rs), getIReg(rt)));
putIReg(rd, unop(Iop_128to64, mkexpr(t0)));
break;
case 0x10: /* LDADDW - Swap Word - Netlogic */
DIP("ldaddw r%u, r%u", rt, rs);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
t6 = newTemp(Ity_I32);
/* v = GPR[rt] */
assign(t0, mkNarrowTo32(ty, getIReg(rt)));
/* GPR[rt] = memory[base]; */
assign(t1, load(Ity_I32, getIReg(rs)));
putIReg(rt, mkWidenFrom32(ty, mkexpr(t1), True));
/* memory[base] = memory[base] + v; */
store(getIReg(rs), binop(Iop_Add32, mkexpr(t0), mkexpr(t1)));
break;
case 0x12: /* LDADDD - Swap Word - Netlogic */
DIP("ldaddw r%u, r%u", rt, rs);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
/* v = GPR[rt] */
assign(t0, getIReg(rt));
/* GPR[rt] = memory[base]; */
assign(t1, load(Ity_I64, getIReg(rs)));
putIReg(rt, mkexpr(t1));
/* memory[base] = memory[base] + v; */
store(getIReg(rs), binop(Iop_Add64, mkexpr(t0), mkexpr(t1)));
break;
case 0x14: /* SWAPW - Swap Word - Netlogic */
DIP("swapw r%u, r%u", rt, rs);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
assign(t0, mkNarrowTo32(ty, getIReg(rt)));
assign(t1, load(Ity_I32, getIReg(rs)));
putIReg(rt, mkWidenFrom32(ty, mkexpr(t1), True));
store(getIReg(rs), mkexpr(t0));
break;
case 0x16: /* SWAPD - Swap Double - Netlogic */
DIP("swapw r%u, r%u", rt, rs);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
assign(t0, getIReg(rt));
assign(t1, load(Ity_I64, getIReg(rs)));
putIReg(rt, mkexpr(t1));
store(getIReg(rs), mkexpr(t0));
break;
case 0x20: { /* CLZ */
DIP("clz r%d, r%d", rd, rs);
if (mode64) {
IRTemp tmpClz32 = newTemp(Ity_I32);
IRTemp tmpRs32 = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
assign(tmpClz32, unop(Iop_Clz32, mkexpr(tmpRs32)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpClz32), True));
} else {
t1 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, getIReg(rs), mkU32(0)));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000020),
unop(Iop_Clz32, getIReg(rs))));
}
break;
}
case 0x21: { /* CLO */
DIP("clo r%d, r%d", rd, rs);
if (mode64) {
IRTemp tmpClo32 = newTemp(Ity_I32);
IRTemp tmpRs32 = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
t1 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, mkexpr(tmpRs32), mkU32(0xffffffff)));
assign(tmpClo32, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000020),
unop(Iop_Clz32, unop(Iop_Not32, mkexpr(tmpRs32)))));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpClo32), True));
break;
} else {
t1 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, getIReg(rs), mkU32(0xffffffff)));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
mkU32(0x00000020),
unop(Iop_Clz32,
unop(Iop_Not32, getIReg(rs)))));
break;
}
}
case 0x24: /* Count Leading Zeros in Doubleword - DCLZ; MIPS64 */
DIP("dclz r%d, r%d", rd, rs);
t1 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ64, getIReg(rs), mkU64(0)));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
mkU64(0x00000040),
unop(Iop_Clz64, getIReg(rs))));
break;
case 0x25: /* Count Leading Ones in Doubleword - DCLO; MIPS64 */
DIP("dclo r%d, r%d", rd, rs);
t1 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ64, getIReg(rs),
mkU64(0xffffffffffffffffULL)));
putIReg(rd, IRExpr_ITE(mkexpr(t1),
mkU64(0x40),
unop(Iop_Clz64, unop(Iop_Not64,
getIReg(rs)))));
break;
default:
goto decode_failure;
}
break;
case 0x1F: /* Special3 */
switch (function) {
case 0x01: {
/* Doubleword Extract Bit Field - DEXTM; MIPS64r2 */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
UInt srcPos = lsb;
UInt dstSz = msb + 33;
t1 = newTemp(Ity_I64);
DIP("dextm r%u, r%u, %d, %d", rt, rs, lsb, msb + 1);
UChar lsAmt = 64 - (srcPos + dstSz); /* left shift amount; */
UChar rsAmt = 64 - dstSz; /* right shift amount; */
assign(t1, binop(Iop_Shl64, getIReg(rs), mkU8(lsAmt)));
putIReg(rt, binop(Iop_Shr64, mkexpr(t1), mkU8(rsAmt)));
break;
}
case 0x02: {
/* Doubleword Extract Bit Field Upper - DEXTU; MIPS64r2 */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
UInt srcPos = lsb + 32;
UInt dstSz = msb + 1;
DIP("dextu r%u, r%u, %d, %d", rt, rs, srcPos, dstSz);
t1 = newTemp(Ity_I64);
vassert(srcPos >= 32 && srcPos < 64);
vassert(dstSz > 0 && dstSz <= 32);
vassert((srcPos + dstSz) > 32 && (srcPos + dstSz) <= 64);
UChar lsAmt = 64 - (srcPos + dstSz); /* left shift amount; */
UChar rsAmt = 64 - dstSz; /* right shift amount; */
assign(t1, binop(Iop_Shl64, getIReg(rs), mkU8(lsAmt)));
putIReg(rt, binop(Iop_Shr64, mkexpr(t1), mkU8(rsAmt)));
break;
}
case 0x05: {
/* Doubleword Insert Bit Field Middle - DINSM; MIPS64r2 */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
UInt dstPos = lsb;
UInt srcSz = msb - lsb + 33;
t1 = newTemp(ty);
t2 = newTemp(ty);
t3 = newTemp(ty);
t4 = newTemp(ty);
IRTemp tmpT1 = newTemp(ty);
IRTemp tmpT2 = newTemp(ty);
IRTemp tmpT3 = newTemp(ty);
IRTemp tmpT4 = newTemp(ty);
IRTemp tmpT5 = newTemp(ty);
IRTemp tmpT6 = newTemp(ty);
IRTemp tmpT7 = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpRd = newTemp(ty);
assign(tmpRs, getIReg(rs));
assign(tmpRt, getIReg(rt));
DIP("dinsm r%u, r%u, %d, %d", rt, rs, lsb, msb);
UChar lsAmt = dstPos + srcSz - 1; /* left shift amount; */
UChar rsAmt = dstPos + srcSz - 1; /* right shift amount; */
assign(t1, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(rsAmt)));
assign(tmpT1, binop(Iop_Shr64, mkexpr(t1), mkU8(1)));
assign(t2, binop(Iop_Shl64, mkexpr(tmpT1), mkU8(lsAmt)));
assign(tmpT2, binop(Iop_Shl64, mkexpr(t2), mkU8(1)));
lsAmt = 63 - dstPos; /* left shift amount; */
rsAmt = 63 - dstPos; /* right shift amount; */
assign(t3, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(lsAmt)));
assign(tmpT3, binop(Iop_Shl64, mkexpr(t3), mkU8(1)));
assign(t4, binop(Iop_Shr64, mkexpr(tmpT3), mkU8(rsAmt)));
assign(tmpT4, binop(Iop_Shr64, mkexpr(t4), mkU8(1)));
/* extract size from src register */
lsAmt = 64 - srcSz; /* left shift amount; */
rsAmt = 64 - (lsb + srcSz); /* right shift amount; */
assign(tmpT5, binop(Iop_Shl64, mkexpr(tmpRs), mkU8(lsAmt)));
assign(tmpT6, binop(Iop_Shr64, mkexpr(tmpT5), mkU8(rsAmt)));
assign(tmpT7, binop(Iop_Or64, mkexpr(tmpT2), mkexpr(tmpT4)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpT6), mkexpr(tmpT7)));
putIReg(rt, mkexpr(tmpRd));
break;
}
case 0x06: {
/* Doubleword Insert Bit Field Upper - DINSU; MIPS64r2 */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
UInt dstPos = lsb + 32;
UInt srcSz = msb - lsb + 1;
IRTemp tmpT1 = newTemp(ty);
IRTemp tmpT2 = newTemp(ty);
IRTemp tmpT3 = newTemp(ty);
IRTemp tmpT4 = newTemp(ty);
IRTemp tmpT5 = newTemp(ty);
IRTemp tmpT6 = newTemp(ty);
IRTemp tmpT7 = newTemp(ty);
IRTemp tmpT8 = newTemp(ty);
IRTemp tmpT9 = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpRd = newTemp(ty);
assign(tmpRs, getIReg(rs));
assign(tmpRt, getIReg(rt));
DIP("dinsu r%u, r%u, %d, %d", rt, rs, lsb, msb);
UChar lsAmt = 64 - srcSz; /* left shift amount; */
UChar rsAmt = 64 - (dstPos + srcSz); /* right shift amount; */
assign(tmpT1, binop(Iop_Shl64, mkexpr(tmpRs), mkU8(lsAmt)));
assign(tmpT2, binop(Iop_Shr64, mkexpr(tmpT1), mkU8(rsAmt)));
lsAmt = 64 - dstPos; /* left shift amount; */
rsAmt = 64 - dstPos; /* right shift amount; */
assign(tmpT3, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(lsAmt)));
assign(tmpT4, binop(Iop_Shr64, mkexpr(tmpT3), mkU8(rsAmt)));
lsAmt = dstPos; /* left shift amount; */
rsAmt = srcSz; /* right shift amount; */
assign(tmpT5, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(rsAmt)));
assign(tmpT6, binop(Iop_Shr64, mkexpr(tmpT5), mkU8(lsAmt)));
assign(tmpT7, binop(Iop_Shl64, mkexpr(tmpT6), mkU8(rsAmt)));
assign(tmpT8, binop(Iop_Shl64, mkexpr(tmpT7), mkU8(lsAmt)));
assign(tmpT9, binop(Iop_Or64, mkexpr(tmpT8), mkexpr(tmpT4)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpT2), mkexpr(tmpT9)));
putIReg(rt, mkexpr(tmpRd));
break;
}
case 0x07: {
/* Doubleword Insert Bit Field - DINS; MIPS64r2 */
IRTemp tmp1 = newTemp(ty);
IRTemp tmpT1 = newTemp(ty);
IRTemp tmpT2 = newTemp(ty);
IRTemp tmpT3 = newTemp(ty);
IRTemp tmpT4 = newTemp(ty);
IRTemp tmpT5 = newTemp(ty);
IRTemp tmpT6 = newTemp(ty);
IRTemp tmpT7 = newTemp(ty);
IRTemp tmpT8 = newTemp(ty);
IRTemp tmpT9 = newTemp(ty);
IRTemp tmp = newTemp(ty);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpRd = newTemp(ty);
assign(tmpRs, getIReg(rs));
assign(tmpRt, getIReg(rt));
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
DIP("dins r%u, r%u, %d, %d", rt, rs, lsb,
msb - lsb + 1);
UChar lsAmt = 63 - lsb; /* left shift amount; */
UChar rsAmt = 63 - lsb; /* right shift amount; */
assign(tmp, binop(Iop_Shl64, mkexpr(tmpRt), mkU8(lsAmt)));
assign(tmpT1, binop(Iop_Shl64, mkexpr(tmp), mkU8(1)));
assign(tmp1, binop(Iop_Shr64, mkexpr(tmpT1), mkU8(rsAmt)));
assign(tmpT2, binop(Iop_Shr64, mkexpr(tmp1), mkU8(1)));
lsAmt = msb; /* left shift amount; */
rsAmt = 1; /*right shift amount; */
assign(tmpT3, binop(Iop_Shr64, mkexpr(tmpRt), mkU8(rsAmt)));
assign(tmpT4, binop(Iop_Shr64, mkexpr(tmpT3), mkU8(lsAmt)));
assign(tmpT5, binop(Iop_Shl64, mkexpr(tmpT4), mkU8(rsAmt)));
assign(tmpT6, binop(Iop_Shl64, mkexpr(tmpT5), mkU8(lsAmt)));
lsAmt = 64 - (msb - lsb + 1); /* left shift amount; */
rsAmt = 64 - (msb + 1); /* right shift amount; */
assign(tmpT7, binop(Iop_Shl64, mkexpr(tmpRs), mkU8(lsAmt)));
assign(tmpT8, binop(Iop_Shr64, mkexpr(tmpT7), mkU8(rsAmt)));
assign(tmpT9, binop(Iop_Or64, mkexpr(tmpT2), mkexpr(tmpT8)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpT6), mkexpr(tmpT9)));
putIReg(rt, mkexpr(tmpRd));
break;
}
case 0x24: /* DBSHFL */
lsb = get_lsb(cins);
IRTemp tmpRs = newTemp(ty);
IRTemp tmpRt = newTemp(ty);
IRTemp tmpRd = newTemp(ty);
assign(tmpRs, getIReg(rs));
assign(tmpRt, getIReg(rt));
switch (lsb) {
case 0x02: { /* DSBH */
DIP("dsbh r%u, r%u", rd, rt);
IRTemp tmpT1 = newTemp(ty);
IRTemp tmpT2 = newTemp(ty);
IRTemp tmpT3 = newTemp(ty);
IRTemp tmpT4 = newTemp(ty);
IRTemp tmpT5 = newTemp(Ity_I64);
IRTemp tmpT6 = newTemp(ty);
assign(tmpT5, mkU64(0xFF00FF00FF00FF00ULL));
assign(tmpT6, mkU64(0x00FF00FF00FF00FFULL));
assign(tmpT1, binop(Iop_And64, mkexpr(tmpRt), mkexpr(tmpT5)));
assign(tmpT2, binop(Iop_Shr64, mkexpr(tmpT1), mkU8(8)));
assign(tmpT3, binop(Iop_And64, mkexpr(tmpRt), mkexpr(tmpT6)));
assign(tmpT4, binop(Iop_Shl64, mkexpr(tmpT3), mkU8(8)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpT4), mkexpr(tmpT2)));
putIReg(rd, mkexpr(tmpRd));
break;
}
case 0x05: { /* DSHD */
DIP("dshd r%u, r%u\n", rd, rt);
IRTemp tmpT1 = newTemp(ty);
IRTemp tmpT2 = newTemp(ty);
IRTemp tmpT3 = newTemp(ty);
IRTemp tmpT4 = newTemp(ty);
IRTemp tmpT5 = newTemp(Ity_I64);
IRTemp tmpT6 = newTemp(ty);
IRTemp tmpT7 = newTemp(ty);
IRTemp tmpT8 = newTemp(ty);
IRTemp tmpT9 = newTemp(ty);
assign(tmpT5, mkU64(0xFFFF0000FFFF0000ULL));
assign(tmpT6, mkU64(0x0000FFFF0000FFFFULL));
assign(tmpT1, binop(Iop_And64, mkexpr(tmpRt), mkexpr(tmpT5)));
assign(tmpT2, binop(Iop_Shr64, mkexpr(tmpT1), mkU8(16)));
assign(tmpT3, binop(Iop_And64, mkexpr(tmpRt), mkexpr(tmpT6)));
assign(tmpT4, binop(Iop_Shl64, mkexpr(tmpT3), mkU8(16)));
assign(tmpT7, binop(Iop_Or64, mkexpr(tmpT4), mkexpr(tmpT2)));
assign(tmpT8, binop(Iop_Shl64, mkexpr(tmpT7), mkU8(32)));
assign(tmpT9, binop(Iop_Shr64, mkexpr(tmpT7), mkU8(32)));
assign(tmpRd, binop(Iop_Or64, mkexpr(tmpT8), mkexpr(tmpT9)));
putIReg(rd, mkexpr(tmpRd));
break;
}
default:
vex_printf("\nop6o10 = %d", lsb);
goto decode_failure;;
}
break;
case 0x3B: { /* RDHWR */
DIP("rdhwr r%d, r%d", rt, rd);
if (rd == 29) {
putIReg(rt, getULR());
#if defined(__mips__) && ((defined(__mips_isa_rev) && __mips_isa_rev >= 2))
} else if (rd == 1) {
if (mode64) {
IRTemp val = newTemp(Ity_I64);
IRExpr** args = mkIRExprVec_2 (mkU64(rt), mkU64(rd));
IRDirty *d = unsafeIRDirty_1_N(val,
0,
"mips64_dirtyhelper_rdhwr",
&mips64_dirtyhelper_rdhwr,
args);
stmt(IRStmt_Dirty(d));
putIReg(rt, mkexpr(val));
} else {
IRTemp val = newTemp(Ity_I32);
IRExpr** args = mkIRExprVec_2 (mkU32(rt), mkU32(rd));
IRDirty *d = unsafeIRDirty_1_N(val,
0,
"mips32_dirtyhelper_rdhwr",
&mips32_dirtyhelper_rdhwr,
args);
stmt(IRStmt_Dirty(d));
putIReg(rt, mkexpr(val));
}
#endif
} else
goto decode_failure;
break;
}
case 0x04: /* INS */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb - lsb + 1;
DIP("ins size:%d msb:%d lsb:%d", size, msb, lsb);
vassert(lsb + size <= 32);
vassert(lsb + size > 0);
/* put size bits from rs at the pos in temporary */
t0 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
/* shift left for 32 - size to clear leading bits and get zeros
at the end */
assign(t0, binop(Iop_Shl32, mkNarrowTo32(ty, getIReg(rs)),
mkU8(32 - size)));
/* now set it at pos */
t1 = newTemp(Ity_I32);
assign(t1, binop(Iop_Shr32, mkexpr(t0), mkU8(32 - size - lsb)));
if (lsb > 0) {
t2 = newTemp(Ity_I32);
/* clear everything but lower pos bits from rt */
assign(t2, binop(Iop_Shl32, mkNarrowTo32(ty, getIReg(rt)),
mkU8(32 - lsb)));
assign(t3, binop(Iop_Shr32, mkexpr(t2), mkU8(32 - lsb)));
} else
assign(t3, mkU32(0));
if (msb < 31) {
t4 = newTemp(Ity_I32);
/* clear everything but upper msb + 1 bits from rt */
assign(t4, binop(Iop_Shr32, mkNarrowTo32(ty, getIReg(rt)),
mkU8(msb + 1)));
t5 = newTemp(Ity_I32);
assign(t5, binop(Iop_Shl32, mkexpr(t4), mkU8(msb + 1)));
/* now combine these registers */
if (lsb > 0) {
t6 = newTemp(Ity_I32);
assign(t6, binop(Iop_Or32, mkexpr(t5), mkexpr(t1)));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t6),
mkexpr(t3)), True));
} else {
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t1),
mkexpr(t5)), True));
}
} else {
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Or32, mkexpr(t1),
mkexpr(t3)), True));
}
break;
case 0x00: /* EXT */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
DIP("ext size:%d msb:%d lsb:%d", size, msb, lsb);
vassert(lsb + size <= 32);
vassert(lsb + size > 0);
/* put size bits from rs at the top of in temporary */
if (lsb + size < 32) {
t0 = newTemp(Ity_I32);
assign(t0, binop(Iop_Shl32, mkNarrowTo32(ty, getIReg(rs)),
mkU8(32 - lsb - size)));
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Shr32, mkexpr(t0),
mkU8(32 - size)), True));
} else {
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Shr32,
mkNarrowTo32(ty, getIReg(rs)),
mkU8(32 - size)), True));
}
break;
case 0x03: /* Doubleword Extract Bit Field - DEXT; MIPS64r2 */
msb = get_msb(cins);
lsb = get_lsb(cins);
size = msb + 1;
DIP("dext r%u, r%u, %d, %d", rt, rs, lsb, msb + 1);
t1 = newTemp(Ity_I64);
vassert(lsb >= 0 && lsb < 32);
vassert(size > 0 && size <= 32);
vassert((lsb + size) > 0 && (lsb + size) <= 63);
UChar lsAmt = 63 - (lsb + msb); /* left shift amount; */
UChar rsAmt = 63 - msb; /* right shift amount; */
assign(t1, binop(Iop_Shl64, getIReg(rs), mkU8(lsAmt)));
putIReg(rt, binop(Iop_Shr64, mkexpr(t1), mkU8(rsAmt)));
break;
case 0x20: /* BSHFL */
switch (sa) {
case 0x02: /* WSBH */
DIP("wsbh r%d, r%d", rd, rt);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
assign(t0, binop(Iop_Shl32, binop(Iop_And32, mkNarrowTo32(ty,
getIReg(rt)), mkU32(0x00FF0000)),
mkU8(0x8)));
assign(t1, binop(Iop_Shr32, binop(Iop_And32, mkNarrowTo32(ty,
getIReg(rt)), mkU32(0xFF000000)), mkU8(0x8)));
assign(t2, binop(Iop_Shl32, binop(Iop_And32, mkNarrowTo32(ty,
getIReg(rt)), mkU32(0x000000FF)), mkU8(0x8)));
assign(t3, binop(Iop_Shr32, binop(Iop_And32, mkNarrowTo32(ty,
getIReg(rt)), mkU32(0x0000FF00)), mkU8(0x8)));
putIReg(rd, mkWidenFrom32(ty, binop(Iop_Or32, binop(Iop_Or32,
mkexpr(t0), mkexpr(t1)),
binop(Iop_Or32, mkexpr(t2),
mkexpr(t3))), True));
break;
case 0x10: /* SEB */
DIP("seb r%d, r%d", rd, rt);
if (mode64)
putIReg(rd, unop(Iop_8Sto64, unop(Iop_64to8, getIReg(rt))));
else
putIReg(rd, unop(Iop_8Sto32, unop(Iop_32to8, getIReg(rt))));
break;
case 0x18: /* SEH */
DIP("seh r%d, r%d", rd, rt);
if (mode64)
putIReg(rd, unop(Iop_16Sto64, unop(Iop_64to16, getIReg(rt))));
else
putIReg(rd, unop(Iop_16Sto32, unop(Iop_32to16, getIReg(rt))));
break;
default:
goto decode_failure;
}
break; /* BSHFL */
/* --- MIPS32(r2) DSP ASE(r2) / Cavium Specfic (LX) instructions --- */
case 0xA: /* LX */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
if (dis_instr_CVM(cins))
break;
goto decode_failure;
}
case 0xC: /* INSV */
case 0x38: { /* EXTR.W */
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
case 0x10: { /* ADDU.QB */
switch(sa) {
case 0xC: /* SUBU_S.PH */
case 0xD: /* ADDU_S.PH */
case 0x1E: { /* MULQ_S.PH */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
default: {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
}
break;
}
case 0x11: { /* CMPU.EQ.QB */
switch(sa) {
case 0x18: /* CMPGDU.EQ.QB */
case 0x19: /* CMPGDU.LT.QB */
case 0x1A: /* CMPGDU.LE.QB */
case 0x0D: /* PRECR.QB.PH */
case 0x1E: /* PRECR_SRA.PH.W */
case 0x1F: { /* PRECR_SRA_R.PH.W */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
default: {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
}
break;
}
case 0x12: { /* ABSQ_S.PH */
switch(sa){
case 0x1: { /* ABSQ_S.QB */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
default: {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
}
break;
}
case 0x13: { /* SHLL.QB */
switch(sa) {
case 0x04: /* SHRA.QB */
case 0x05: /* SHRA_R.QB */
case 0x06: /* SHRAV.QB */
case 0x07: /* SHRAV_R.QB */
case 0x19: /* SHLR.PH */
case 0x1B: { /* SHLRV.PH */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
default: {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
}
break;
}
case 0x30: { /* DPAQ.W.PH */
switch(sa) {
case 0x0: /* DPA.W.PH */
case 0x18: /* DPAQX_S.W.PH */
case 0x1A: /* DPAQX_SA.W.PH */
case 0x8: /* DPAX.W.PH */
case 0x1: /* DPS.W.PH */
case 0x19: /* DPSQX_S.W.PH */
case 0x1B: /* DPSQX_SA.W.PH */
case 0x9: /* DPSX.W.PH */
case 0x2: { /* MULSA.W.PH */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
default: {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
break;
}
}
break;
}
case 0x18: /* ADDUH.QB/MUL.PH */
case 0x31: { /* APPEND */
if (VEX_MIPS_PROC_DSP2(archinfo->hwcaps)) {
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
}
default:
goto decode_failure;
}
break; /* Special3 */
case 0x3B:
if (0x3B == function &&
(VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_BROADCOM)) {
/*RDHWR*/
DIP("rdhwr r%d, r%d", rt, rd);
if (rd == 29) {
putIReg(rt, getULR());
} else
goto decode_failure;
break;
} else {
goto decode_failure;
}
case 0x00: /* Special */
switch (function) {
case 0x1: {
UInt mov_cc = get_mov_cc(cins);
if (tf == 0) { /* MOVF */
DIP("movf r%d, r%d, %d", rd, rs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(0), mkexpr(t2)));
putIReg(rd, IRExpr_ITE(mkexpr(t3), getIReg(rs), getIReg(rd)));
} else if (tf == 1) { /* MOVT */
DIP("movt r%d, r%d, %d", rd, rs, mov_cc);
t1 = newTemp(Ity_I1);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I1);
assign(t1, binop(Iop_CmpEQ32, mkU32(0), mkU32(mov_cc)));
assign(t2, IRExpr_ITE(mkexpr(t1),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(23)),
mkU32(0x1)),
binop(Iop_And32,
binop(Iop_Shr32, getFCSR(),
mkU8(24 + mov_cc)),
mkU32(0x1))
));
assign(t3, binop(Iop_CmpEQ32, mkU32(1), mkexpr(t2)));
putIReg(rd, IRExpr_ITE(mkexpr(t3), getIReg(rs), getIReg(rd)));
}
break;
}
case 0x0A: { /* MOVZ */
DIP("movz r%d, r%d, r%d", rd, rs, rt);
t1 = newTemp(ty);
t2 = newTemp(ty);
if (mode64) {
assign(t1, unop(Iop_32Sto64, unop(Iop_1Sto32, binop(Iop_CmpEQ64,
getIReg(rt), mkU64(0x0)))));
assign(t2, unop(Iop_32Sto64, unop(Iop_1Sto32, binop(Iop_CmpNE64,
getIReg(rt), mkU64(0x0)))));
putIReg(rd, binop(Iop_Add64, binop(Iop_And64, getIReg(rs),
mkexpr(t1)), binop(Iop_And64, getIReg(rd),mkexpr(t2))));
} else {
assign(t1, unop(Iop_1Sto32, binop(Iop_CmpEQ32, getIReg(rt),
mkU32(0x0))));
assign(t2, unop(Iop_1Sto32, binop(Iop_CmpNE32, getIReg(rt),
mkU32(0x0))));
putIReg(rd, binop(Iop_Add32, binop(Iop_And32, getIReg(rs),
mkexpr(t1)), binop(Iop_And32, getIReg(rd),
mkexpr(t2))));
}
break;
}
case 0x0B: { /* MOVN */
DIP("movn r%d, r%d, r%d", rd, rs, rt);
t1 = newTemp(ty);
t2 = newTemp(ty);
if (mode64) {
assign(t1, unop(Iop_32Sto64, unop(Iop_1Sto32, binop(Iop_CmpEQ64,
getIReg(rt), mkU64(0x0)))));
assign(t2, unop(Iop_32Sto64, unop(Iop_1Sto32, binop(Iop_CmpNE64,
getIReg(rt), mkU64(0x0)))));
putIReg(rd, binop(Iop_Add64, binop(Iop_And64, getIReg(rs),
mkexpr(t2)), binop(Iop_And64, getIReg(rd),
mkexpr(t1))));
} else {
assign(t1, unop(Iop_1Sto32, binop(Iop_CmpEQ32, getIReg(rt),
mkU32(0x0))));
assign(t2, unop(Iop_1Sto32, binop(Iop_CmpNE32, getIReg(rt),
mkU32(0x0))));
putIReg(rd, binop(Iop_Add32, binop(Iop_And32, getIReg(rs),
mkexpr(t2)), binop(Iop_And32, getIReg(rd),
mkexpr(t1))));
}
break;
}
case 0x18: { /* MULT */
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MULT */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("mult r%d, r%d", rs, rt);
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_MullS32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t2)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t2)), True));
break;
}
}
case 0x19: { /* MULTU */
if ( (1 <= ac) && ( 3 >= ac) ) {
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MULTU */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure_dsp;
}
break;
} else {
goto decode_failure_dsp;
}
} else {
DIP("multu r%d, r%d", rs, rt);
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_MullU32, mkNarrowTo32(ty, getIReg(rs)),
mkNarrowTo32(ty, getIReg(rt))));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t2)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t2)), True));
break;
}
}
case 0x20: { /* ADD */
DIP("add r%d, r%d, r%d", rd, rs, rt);
IRTemp tmpRs32 = newTemp(Ity_I32);
IRTemp tmpRt32 = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
/* dst = src0 + src1
if (sign(src0 ) != sign(src1 ))
goto no overflow;
if (sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t0, binop(Iop_Add32, mkexpr(tmpRs32), mkexpr(tmpRt32)));
assign(t1, binop(Iop_Xor32, mkexpr(tmpRs32), mkexpr(tmpRt32)));
assign(t2, unop(Iop_1Uto32,
binop(Iop_CmpEQ32,
binop(Iop_And32, mkexpr(t1), mkU32(0x80000000)),
mkU32(0x80000000))));
assign(t3, binop(Iop_Xor32, mkexpr(t0), mkexpr(tmpRs32)));
assign(t4, unop(Iop_1Uto32,
binop(Iop_CmpNE32,
binop(Iop_And32, mkexpr(t3), mkU32(0x80000000)),
mkU32(0x80000000))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ32,
binop(Iop_Or32, mkexpr(t2), mkexpr(t4)),
mkU32(0)),
Ijk_SigFPE_IntOvf,
mode64 ? IRConst_U64(guest_PC_curr_instr + 4) :
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rd, mkWidenFrom32(ty, mkexpr(t0), True));
break;
}
case 0x1A: /* DIV */
DIP("div r%d, r%d", rs, rt);
if (mode64) {
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_DivModS64to32,
getIReg(rs), mkNarrowTo32(ty, getIReg(rt))));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t2)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t2)), True));
} else {
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t1, unop(Iop_32Sto64, getIReg(rs)));
assign(t2, binop(Iop_DivModS64to32, mkexpr(t1), getIReg(rt)));
putHI(unop(Iop_64HIto32, mkexpr(t2)));
putLO(unop(Iop_64to32, mkexpr(t2)));
}
break;
case 0x1B: /* DIVU */
DIP("divu r%d, r%d", rs, rt);
if (mode64) {
t2 = newTemp(Ity_I64);
assign(t2, binop(Iop_DivModU64to32,
getIReg(rs), mkNarrowTo32(ty, getIReg(rt))));
putHI(mkWidenFrom32(ty, unop(Iop_64HIto32, mkexpr(t2)), True));
putLO(mkWidenFrom32(ty, unop(Iop_64to32, mkexpr(t2)), True));
} else {
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
assign(t1, unop(Iop_32Uto64, getIReg(rs)));
assign(t2, binop(Iop_DivModU64to32, mkexpr(t1), getIReg(rt)));
putHI(unop(Iop_64HIto32, mkexpr(t2)));
putLO(unop(Iop_64to32, mkexpr(t2)));
}
break;
case 0x1C: /* Doubleword Multiply - DMULT; MIPS64 */
DIP("dmult r%u, r%u", rs, rt);
t0 = newTemp(Ity_I128);
assign(t0, binop(Iop_MullS64, getIReg(rs), getIReg(rt)));
putHI(unop(Iop_128HIto64, mkexpr(t0)));
putLO(unop(Iop_128to64, mkexpr(t0)));
break;
case 0x1D: /* Doubleword Multiply Unsigned - DMULTU; MIPS64 */
DIP("dmultu r%u, r%u", rs, rt);
t0 = newTemp(Ity_I128);
assign(t0, binop(Iop_MullU64, getIReg(rs), getIReg(rt)));
putHI(unop(Iop_128HIto64, mkexpr(t0)));
putLO(unop(Iop_128to64, mkexpr(t0)));
break;
case 0x1E: /* Doubleword Divide DDIV; MIPS64 */
DIP("ddiv r%u, r%u", rs, rt);
t1 = newTemp(Ity_I128);
assign(t1, binop(Iop_DivModS64to64, getIReg(rs), getIReg(rt)));
putHI(unop(Iop_128HIto64, mkexpr(t1)));
putLO(unop(Iop_128to64, mkexpr(t1)));
break;
case 0x1F: /* Doubleword Divide Unsigned DDIVU; MIPS64 check this */
DIP("ddivu r%u, r%u", rs, rt);
t1 = newTemp(Ity_I128);
t2 = newTemp(Ity_I128);
assign(t1, binop(Iop_64HLto128, mkU64(0), getIReg(rs)));
assign(t2, binop(Iop_DivModU128to64, mkexpr(t1), getIReg(rt)));
putHI(unop(Iop_128HIto64, mkexpr(t2)));
putLO(unop(Iop_128to64, mkexpr(t2)));
break;
case 0x10: { /* MFHI */
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MFHI */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure;
}
break;
} else {
DIP("mfhi r%d", rd);
putIReg(rd, getHI());
break;
}
}
case 0x11: { /* MTHI */
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MTHI */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure;
}
break;
} else {
DIP("mthi r%d", rs);
putHI(getIReg(rs));
break;
}
}
case 0x12: { /* MFLO */
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MFLO */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure;
}
break;
} else {
DIP("mflo r%d", rd);
putIReg(rd, getLO());
break;
}
}
case 0x13: { /* MTLO */
if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {
/* If DSP is present -> DSP ASE MTLO */
UInt retVal = disDSPInstr_MIPS_WRK ( cins );
if (0 != retVal ) {
goto decode_failure;
}
break;
} else {
DIP("mtlo r%d", rs);
putLO(getIReg(rs));
break;
}
}
case 0x21: /* ADDU */
DIP("addu r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
ALU_PATTERN64(Iop_Add32);
} else {
ALU_PATTERN(Iop_Add32);
}
break;
case 0x22: { /* SUB */
DIP("sub r%d, r%d, r%d", rd, rs, rt);
IRTemp tmpRs32 = newTemp(Ity_I32);
IRTemp tmpRt32 = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
t5 = newTemp(Ity_I32);
/* dst = src0 + (-1 * src1)
if(sign(src0 ) != sign((-1 * src1) ))
goto no overflow;
if(sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t5, binop(Iop_Mul32, mkexpr(tmpRt32), mkU32(-1)));
assign(t0, binop(Iop_Add32, mkexpr(tmpRs32), mkexpr(t5)));
assign(t1, binop(Iop_Xor32, mkexpr(tmpRs32), mkexpr(t5)));
assign(t2, unop(Iop_1Sto32, binop(Iop_CmpEQ32, binop(Iop_And32,
mkexpr(t1), mkU32(0x80000000)), mkU32(0x80000000))));
assign(t3, binop(Iop_Xor32, mkexpr(t0), mkexpr(tmpRs32)));
assign(t4, unop(Iop_1Sto32, binop(Iop_CmpNE32, binop(Iop_And32,
mkexpr(t3), mkU32(0x80000000)), mkU32(0x80000000))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ32, binop(Iop_Or32, mkexpr(t2),
mkexpr(t4)), mkU32(0)), Ijk_SigFPE_IntOvf,
mode64 ? IRConst_U64(guest_PC_curr_instr + 4) :
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rd, mkWidenFrom32(ty, mkexpr(t0), True));
break;
}
case 0x23: /* SUBU */
DIP("subu r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
ALU_PATTERN64(Iop_Sub32);
} else {
ALU_PATTERN(Iop_Sub32);
}
break;
case 0x24: /* AND */
DIP("and r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
ALU_PATTERN(Iop_And64);
} else {
ALU_PATTERN(Iop_And32);
}
break;
case 0x25: /* OR */
DIP("or r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
ALU_PATTERN(Iop_Or64);
} else {
ALU_PATTERN(Iop_Or32);
}
break;
case 0x26: /* XOR */
DIP("xor r%d, r%d, r%d", rd, rs, rt);
if (mode64) {
ALU_PATTERN(Iop_Xor64);
} else {
ALU_PATTERN(Iop_Xor32);
}
break;
case 0x27: /* NOR */
DIP("nor r%d, r%d, r%d", rd, rs, rt);
if (mode64)
putIReg(rd, unop(Iop_Not64, binop(Iop_Or64, getIReg(rs),
getIReg(rt))));
else
putIReg(rd, unop(Iop_Not32, binop(Iop_Or32, getIReg(rs),
getIReg(rt))));
break;
case 0x08: /* JR */
DIP("jr r%d", rs);
t0 = newTemp(ty);
assign(t0, getIReg(rs));
lastn = mkexpr(t0);
break;
case 0x09: /* JALR */
DIP("jalr r%d r%d", rd, rs);
if (mode64) {
putIReg(rd, mkU64(guest_PC_curr_instr + 8));
t0 = newTemp(Ity_I64);
assign(t0, getIReg(rs));
lastn = mkexpr(t0);
} else {
putIReg(rd, mkU32(guest_PC_curr_instr + 8));
t0 = newTemp(Ity_I32);
assign(t0, getIReg(rs));
lastn = mkexpr(t0);
}
break;
case 0x0C: /* SYSCALL */
DIP("syscall");
if (mode64)
putPC(mkU64(guest_PC_curr_instr + 4));
else
putPC(mkU32(guest_PC_curr_instr + 4));
dres.jk_StopHere = Ijk_Sys_syscall;
dres.whatNext = Dis_StopHere;
break;
case 0x2A: /* SLT */
DIP("slt r%d, r%d, r%d", rd, rs, rt);
if (mode64)
putIReg(rd, unop(Iop_1Uto64, binop(Iop_CmpLT64S, getIReg(rs),
getIReg(rt))));
else
putIReg(rd, unop(Iop_1Uto32, binop(Iop_CmpLT32S, getIReg(rs),
getIReg(rt))));
break;
case 0x2B: /* SLTU */
DIP("sltu r%d, r%d, r%d", rd, rs, rt);
if (mode64)
putIReg(rd, unop(Iop_1Uto64, binop(Iop_CmpLT64U, getIReg(rs),
getIReg(rt))));
else
putIReg(rd, unop(Iop_1Uto32, binop(Iop_CmpLT32U, getIReg(rs),
getIReg(rt))));
break;
case 0x00: { /* SLL */
DIP("sll r%d, r%d, %d", rd, rt, sa);
IRTemp tmpRt32 = newTemp(Ity_I32);
IRTemp tmpSh32 = newTemp(Ity_I32);
IRTemp tmpRd = newTemp(Ity_I64);
if (mode64) {
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpSh32, binop(Iop_Shl32, mkexpr(tmpRt32), mkU8(sa)));
assign(tmpRd, mkWidenFrom32(ty, mkexpr(tmpSh32), True));
putIReg(rd, mkexpr(tmpRd));
} else
SXX_PATTERN(Iop_Shl32);
break;
}
case 0x04: { /* SLLV */
DIP("sllv r%d, r%d, r%d", rd, rt, rs);
if (mode64) {
IRTemp tmpRs8 = newTemp(Ity_I8);
IRTemp tmpRt32 = newTemp(Ity_I32);
IRTemp tmpSh32 = newTemp(Ity_I32);
IRTemp tmp = newTemp(ty);
assign(tmp, binop(mkSzOp(ty, Iop_And8), getIReg(rs),
mkSzImm(ty, 31)));
assign(tmpRs8, mkNarrowTo8(ty, mkexpr(tmp)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpSh32, binop(Iop_Shl32, mkexpr(tmpRt32), mkexpr(tmpRs8)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpSh32), True));
} else {
SXXV_PATTERN(Iop_Shl32);
}
break;
}
case 0x03: /* SRA */
DIP("sra r%d, r%d, %d", rd, rt, sa);
if (mode64) {
IRTemp tmpRt32 = newTemp(Ity_I32);
IRTemp tmpSh32 = newTemp(Ity_I32);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
assign(t1, binop(Iop_And64, getIReg(rt), /* hi */
mkU64(0xFFFFFFFF00000000ULL)));
assign(t2, binop(Iop_Sar64, mkexpr(t1), mkU8(sa)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpSh32, binop(Iop_Sar32, mkexpr(tmpRt32), mkU8(sa)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpSh32), True));
} else {
SXX_PATTERN(Iop_Sar32);
}
break;
case 0x07: /* SRAV */
DIP("srav r%d, r%d, r%d", rd, rt, rs);
if (mode64) {
IRTemp tmpRt32 = newTemp(Ity_I32);
IRTemp tmpSh32 = newTemp(Ity_I32);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I8);
assign(t4, unop(Iop_32to8, binop(Iop_And32,
mkNarrowTo32(ty, getIReg(rs)), mkU32(0x0000001F))));
assign(t1, binop(Iop_And64, getIReg(rt), /* hi */
mkU64(0xFFFFFFFF00000000ULL)));
assign(t2, binop(Iop_Sar64, mkexpr(t1), mkexpr(t4)));
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpSh32, binop(Iop_Sar32, mkexpr(tmpRt32), mkexpr(t4)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpSh32), True));
} else {
SXXV_PATTERN(Iop_Sar32);
}
break;
case 0x02: { /* SRL */
rot = get_rot(cins);
if (rot) {
DIP("rotr r%d, r%d, %d", rd, rt, sa);
putIReg(rd, mkWidenFrom32(ty, genROR32(mkNarrowTo32(ty,
getIReg(rt)), sa), True));
} else {
DIP("srl r%d, r%d, %d", rd, rt, sa);
if (mode64) {
IRTemp tmpSh32 = newTemp(Ity_I32);
IRTemp tmpRt32 = newTemp(Ity_I32);
assign(tmpRt32, mkNarrowTo32(ty, getIReg(rt)));
assign(tmpSh32, binop(Iop_Shr32, mkexpr(tmpRt32), mkU8(sa)));
putIReg(rd, mkWidenFrom32(ty, mkexpr(tmpSh32), True));
} else {
SXX_PATTERN(Iop_Shr32);
}
}
break;
}
case 0x06: {
rot = get_rotv(cins);
if (rot) {
DIP("rotrv r%d, r%d, r%d", rd, rt, rs);
putIReg(rd, mkWidenFrom32(ty, genRORV32(mkNarrowTo32(ty,
getIReg(rt)), mkNarrowTo32(ty, getIReg(rs))), True));
break;
} else { /* SRLV */
DIP("srlv r%d, r%d, r%d", rd, rt, rs);
if (mode64) {
SXXV_PATTERN64(Iop_Shr32);
} else {
SXXV_PATTERN(Iop_Shr32);
}
break;
}
}
case 0x0D: /* BREAK */
DIP("break 0x%x", trap_code);
if (mode64)
jmp_lit64(&dres, Ijk_SigTRAP, (guest_PC_curr_instr + 4));
else
jmp_lit32(&dres, Ijk_SigTRAP, (guest_PC_curr_instr + 4));
vassert(dres.whatNext == Dis_StopHere);
break;
case 0x30: { /* TGE */
DIP("tge r%d, r%d %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64S,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64S,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64S,
getIReg (rs),
getIReg (rt))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32S,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32S,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32S,
getIReg (rs),
getIReg (rt))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x31: { /* TGEU */
DIP("tgeu r%d, r%d %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64U,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64U,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64U,
getIReg (rs),
getIReg (rt))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32U,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32U,
getIReg (rs),
getIReg (rt))),
Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32U,
getIReg (rs),
getIReg (rt))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x32: { /* TLT */
DIP("tlt r%d, r%d %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpLT64S, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpLT64S, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpLT64S, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpLT32S, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpLT32S, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpLT32S, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x33: { /* TLTU */
DIP("tltu r%d, r%d %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpLT64U, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpLT64U, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpLT64U, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpLT32U, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpLT32U, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpLT32U, getIReg(rs),
getIReg (rt)), Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x34: { /* TEQ */
DIP("teq r%d, r%d, %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpEQ64, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpEQ64, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpEQ64, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpEQ32, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpEQ32, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpEQ32, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x36: { /* TNE */
DIP("tne r%d, r%d %d", rs, rt, trap_code);
if (mode64) {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpNE64, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpNE64, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpNE64, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
if (trap_code == 7)
stmt(IRStmt_Exit(binop(Iop_CmpNE32, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntDiv,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else if (trap_code == 6)
stmt(IRStmt_Exit(binop(Iop_CmpNE32, getIReg(rs),
getIReg(rt)), Ijk_SigFPE_IntOvf,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
else
stmt(IRStmt_Exit(binop(Iop_CmpNE32, getIReg(rs),
getIReg(rt)), Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x14:
case 0x16:
case 0x17: /* DSLLV, DROTRV:DSRLV, DSRAV */
case 0x38:
case 0x3A:
case 0x3B: /* DSLL, DROTL:DSRL, DSRA */
case 0x3C:
case 0x3E:
case 0x3F: /* DSLL32, DROTR32:DSRL32, DSRA32 */
if (dis_instr_shrt(cins))
break;
goto decode_failure;
case 0x0F: /* SYNC */
DIP("sync 0x%x", sel);
/* Just ignore it. */
break;
case 0x2C: { /* Doubleword Add - DADD; MIPS64 */
DIP("dadd r%d, r%d, r%d", rd, rs, rt);
IRTemp tmpRs64 = newTemp(Ity_I64);
IRTemp tmpRt64 = newTemp(Ity_I64);
assign(tmpRs64, getIReg(rs));
assign(tmpRt64, getIReg(rt));
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
/* dst = src0 + src1
if(sign(src0 ) != sign(src1 ))
goto no overflow;
if(sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t0, binop(Iop_Add64, mkexpr(tmpRs64), mkexpr(tmpRt64)));
assign(t1, binop(Iop_Xor64, mkexpr(tmpRs64), mkexpr(tmpRt64)));
assign(t2, unop(Iop_1Uto64,
binop(Iop_CmpEQ64,
binop(Iop_And64, mkexpr(t1),
mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
assign(t3, binop(Iop_Xor64, mkexpr(t0), mkexpr(tmpRs64)));
assign(t4, unop(Iop_1Uto64,
binop(Iop_CmpNE64,
binop(Iop_And64, mkexpr(t3),
mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ64,
binop(Iop_Or64, mkexpr(t2), mkexpr(t4)),
mkU64(0)),
Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rd, mkexpr(t0));
break;
}
case 0x2D: /* Doubleword Add Unsigned - DADDU; MIPS64 */
DIP("daddu r%d, r%d, r%d", rd, rs, rt);
ALU_PATTERN(Iop_Add64);
break;
case 0x2E: { /* Doubleword Subtract - DSUB; MIPS64 */
DIP("dsub r%u, r%u, r%u", rd, rs, rt);
IRTemp tmpRs64 = newTemp(Ity_I64);
IRTemp tmpRt64 = newTemp(Ity_I64);
assign(tmpRs64, getIReg(rs));
assign(tmpRt64, getIReg(rt));
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
t5 = newTemp(Ity_I64);
/* dst = src0 + (-1 * src1)
if(sign(src0 ) != sign((-1 * src1) ))
goto no overflow;
if(sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t5, binop(Iop_Mul64,
mkexpr(tmpRt64),
mkU64(0xffffffffffffffffULL)));
assign(t0, binop(Iop_Add64, mkexpr(tmpRs64), mkexpr(t5)));
assign(t1, binop(Iop_Xor64, mkexpr(tmpRs64), mkexpr(t5)));
assign(t2, unop(Iop_1Sto64,
binop(Iop_CmpEQ64,
binop(Iop_And64,
mkexpr(t1),
mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
assign(t3, binop(Iop_Xor64, mkexpr(t0), mkexpr(tmpRs64)));
assign(t4, unop(Iop_1Sto64,
binop(Iop_CmpNE64,
binop(Iop_And64,
mkexpr(t3),
mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ64, binop(Iop_Or64, mkexpr(t2),
mkexpr(t4)), mkU64(0)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rd, binop(Iop_Sub64, getIReg(rs), getIReg(rt)));
break;
}
case 0x2F: /* Doubleword Subtract Unsigned - DSUBU; MIPS64 */
DIP("dsub r%u, r%u,r%u", rd, rt, rt);
ALU_PATTERN(Iop_Sub64);
break;
default:
goto decode_failure;
}
break;
case 0x01: /* Regimm */
switch (rt) {
case 0x00: /* BLTZ */
DIP("bltz r%d, %d", rs, imm);
if (mode64) {
if (!dis_instr_branch(cins, &dres, resteerOkFn,
callback_opaque, &bstmt))
goto decode_failure;
} else
dis_branch(False, binop(Iop_CmpEQ32, binop(Iop_And32, getIReg(rs),
mkU32(0x80000000)), mkU32(0x80000000)), imm, &bstmt);
break;
case 0x01: /* BGEZ */
DIP("bgez r%d, %d", rs, imm);
if (mode64) {
if (!dis_instr_branch(cins, &dres, resteerOkFn,
callback_opaque, &bstmt))
goto decode_failure;
} else
dis_branch(False, binop(Iop_CmpEQ32, binop(Iop_And32, getIReg(rs),
mkU32(0x80000000)), mkU32(0x0)), imm, &bstmt);
break;
case 0x02: /* BLTZL */
DIP("bltzl r%d, %d", rs, imm);
lastn = dis_branch_likely(binop(mode64 ? Iop_CmpNE64 : Iop_CmpNE32,
binop(mode64 ? Iop_And64 : Iop_And32, getIReg(rs),
mode64 ? mkU64(0x8000000000000000ULL) : mkU32(0x80000000)),
mode64 ? mkU64(0x8000000000000000ULL) : mkU32(0x80000000)),
imm);
break;
case 0x03: /* BGEZL */
DIP("bgezl r%d, %d", rs, imm);
lastn = dis_branch_likely(binop(mode64 ? Iop_CmpNE64 : Iop_CmpNE32,
binop(mode64 ? Iop_And64 : Iop_And32, getIReg(rs),
mode64 ? mkU64(0x8000000000000000ULL) : mkU32(0x80000000)),
mode64 ? mkU64(0x0) : mkU32(0x0)), imm);
break;
case 0x10: /* BLTZAL */
DIP("bltzal r%d, %d", rs, imm);
if (mode64) {
if (!dis_instr_branch(cins, &dres, resteerOkFn,
callback_opaque, &bstmt))
goto decode_failure;
} else
dis_branch(True, binop(Iop_CmpEQ32, binop(Iop_And32, getIReg(rs),
mkU32(0x80000000)), mkU32(0x80000000)), imm, &bstmt);
break;
case 0x12: /* BLTZALL */
DIP("bltzall r%d, %d", rs, imm);
putIReg(31, mode64 ? mkU64(guest_PC_curr_instr + 8) :
mkU32(guest_PC_curr_instr + 8));
lastn = dis_branch_likely(binop(mode64 ? Iop_CmpNE64 : Iop_CmpNE32,
binop(mode64 ? Iop_And64 : Iop_And32, getIReg(rs),
mode64 ? mkU64(0x8000000000000000ULL) : mkU32(0x80000000)),
mode64 ? mkU64(0x8000000000000000ULL) : mkU32(0x80000000)),
imm);
break;
case 0x11: /* BGEZAL */
DIP("bgezal r%d, %d", rs, imm);
if (mode64) {
if (!dis_instr_branch(cins, &dres, resteerOkFn,
callback_opaque, &bstmt))
goto decode_failure;
} else
dis_branch(True, binop(Iop_CmpEQ32, binop(Iop_And32, getIReg(rs),
mkU32(0x80000000)), mkU32(0x0)), imm, &bstmt);
break;
case 0x13: /* BGEZALL */
DIP("bgezall r%d, %d", rs, imm);
if (mode64) {
putIReg(31, mkU64(guest_PC_curr_instr + 8));
lastn = dis_branch_likely(binop(Iop_CmpNE64,
binop(Iop_And64,
getIReg(rs),
mkU64(0x8000000000000000ULL)),
mkU64(0x0)),
imm);
} else {
putIReg(31, mkU32(guest_PC_curr_instr + 8));
lastn = dis_branch_likely(binop(Iop_CmpNE32, binop(Iop_And32,
getIReg(rs), mkU32(0x80000000)),
mkU32(0x0)), imm);
}
break;
case 0x08: /* TGEI */
DIP("tgei r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64S,
getIReg (rs),
mkU64 (extend_s_16to64 (imm)))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32S,
getIReg (rs),
mkU32 (extend_s_16to32 (imm)))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
case 0x09: { /* TGEIU */
DIP("tgeiu r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT64U,
getIReg (rs),
mkU64 (extend_s_16to64 (imm)))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (unop (Iop_Not1,
binop (Iop_CmpLT32U,
getIReg (rs),
mkU32 (extend_s_16to32 (imm)))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x0A: { /* TLTI */
DIP("tlti r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (binop (Iop_CmpLT64S, getIReg (rs),
mkU64 (extend_s_16to64 (imm))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (binop (Iop_CmpLT32S, getIReg (rs),
mkU32 (extend_s_16to32 (imm))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x0B: { /* TLTIU */
DIP("tltiu r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (binop (Iop_CmpLT64U, getIReg (rs),
mkU64 (extend_s_16to64 (imm))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (binop (Iop_CmpLT32U, getIReg (rs),
mkU32 (extend_s_16to32 (imm))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x0C: { /* TEQI */
DIP("teqi r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (binop (Iop_CmpEQ64, getIReg (rs),
mkU64 (extend_s_16to64 (imm))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (binop (Iop_CmpEQ32, getIReg (rs),
mkU32 (extend_s_16to32 (imm))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x0E: { /* TNEI */
DIP("tnei r%d, %d %d", rs, imm, trap_code);
if (mode64) {
stmt (IRStmt_Exit (binop (Iop_CmpNE64, getIReg (rs),
mkU64 (extend_s_16to64 (imm))),
Ijk_SigTRAP,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
} else {
stmt (IRStmt_Exit (binop (Iop_CmpNE32, getIReg (rs),
mkU32 (extend_s_16to32 (imm))),
Ijk_SigTRAP,
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
}
break;
}
case 0x1C: { /* BPOSGE32 */
DIP("bposge32 %d", imm);
vassert(!mode64);
t0 = newTemp(Ity_I32);
/* Get pos field from DSPControl register. */
assign(t0, binop(Iop_And32, getDSPControl(), mkU32(0x3f)));
dis_branch(False, unop(Iop_Not1, binop(Iop_CmpLT32U, mkexpr(t0),
mkU32(32))), imm, &bstmt);
}
case 0x1F:
/* SYNCI */
/* Just ignore it */
break;
default:
goto decode_failure;
}
break;
case 0x04:
DIP("beq r%d, r%d, %d", rs, rt, imm);
if (mode64)
dis_branch(False, binop(Iop_CmpEQ64, getIReg(rs), getIReg(rt)),
imm, &bstmt);
else
dis_branch(False, binop(Iop_CmpEQ32, getIReg(rs), getIReg(rt)),
imm, &bstmt);
break;
case 0x14:
DIP("beql r%d, r%d, %d", rs, rt, imm);
lastn = dis_branch_likely(binop(mode64 ? Iop_CmpNE64 : Iop_CmpNE32,
getIReg(rs), getIReg(rt)), imm);
break;
case 0x05:
DIP("bne r%d, r%d, %d", rs, rt, imm);
if (mode64)
dis_branch(False, binop(Iop_CmpNE64, getIReg(rs), getIReg(rt)),
imm, &bstmt);
else
dis_branch(False, binop(Iop_CmpNE32, getIReg(rs), getIReg(rt)),
imm, &bstmt);
break;
case 0x15:
DIP("bnel r%d, r%d, %d", rs, rt, imm);
lastn = dis_branch_likely(binop(mode64 ? Iop_CmpEQ64 : Iop_CmpEQ32,
getIReg(rs), getIReg(rt)), imm);
break;
case 0x07: /* BGTZ */
DIP("bgtz r%d, %d", rs, imm);
if (mode64)
dis_branch(False, unop(Iop_Not1, binop(Iop_CmpLE64S, getIReg(rs),
mkU64(0x00))), imm, &bstmt);
else
dis_branch(False, unop(Iop_Not1, binop(Iop_CmpLE32S, getIReg(rs),
mkU32(0x00))), imm, &bstmt);
break;
case 0x17: /* BGTZL */
DIP("bgtzl r%d, %d", rs, imm);
if (mode64)
lastn = dis_branch_likely(binop(Iop_CmpLE64S, getIReg(rs),
mkU64(0x00)), imm);
else
lastn = dis_branch_likely(binop(Iop_CmpLE32S, getIReg(rs),
mkU32(0x00)), imm);
break;
case 0x06: /* BLEZ */
DIP("blez r%d, %d", rs, imm);
if (mode64)
dis_branch(False, binop(Iop_CmpLE64S, getIReg(rs), mkU64(0x0)),
imm, &bstmt);
else
dis_branch(False,binop(Iop_CmpLE32S, getIReg(rs), mkU32(0x0)), imm,
&bstmt);
break;
case 0x16: /* BLEZL */
DIP("blezl r%d, %d", rs, imm);
lastn = dis_branch_likely(unop(Iop_Not1, (binop(mode64 ? Iop_CmpLE64S :
Iop_CmpLE32S, getIReg(rs), mode64 ?
mkU64(0x0) : mkU32(0x0)))), imm);
break;
case 0x08: { /* ADDI */
DIP("addi r%d, r%d, %d", rt, rs, imm);
IRTemp tmpRs32 = newTemp(Ity_I32);
assign(tmpRs32, mkNarrowTo32(ty, getIReg(rs)));
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
t2 = newTemp(Ity_I32);
t3 = newTemp(Ity_I32);
t4 = newTemp(Ity_I32);
/* dst = src0 + sign(imm)
if(sign(src0 ) != sign(imm ))
goto no overflow;
if(sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t0, binop(Iop_Add32, mkexpr(tmpRs32),
mkU32(extend_s_16to32(imm))));
assign(t1, binop(Iop_Xor32, mkexpr(tmpRs32),
mkU32(extend_s_16to32(imm))));
assign(t2, unop(Iop_1Sto32, binop(Iop_CmpEQ32, binop(Iop_And32,
mkexpr(t1), mkU32(0x80000000)), mkU32(0x80000000))));
assign(t3, binop(Iop_Xor32, mkexpr(t0), mkexpr(tmpRs32)));
assign(t4, unop(Iop_1Sto32, binop(Iop_CmpNE32, binop(Iop_And32,
mkexpr(t3), mkU32(0x80000000)), mkU32(0x80000000))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ32, binop(Iop_Or32, mkexpr(t2),
mkexpr(t4)), mkU32(0)), Ijk_SigFPE_IntOvf,
mode64 ? IRConst_U64(guest_PC_curr_instr + 4) :
IRConst_U32(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rt, mkWidenFrom32(ty, mkexpr(t0), True));
break;
}
case 0x09: /* ADDIU */
DIP("addiu r%d, r%d, %d", rt, rs, imm);
if (mode64) {
putIReg(rt, mkWidenFrom32(ty, binop(Iop_Add32,
mkNarrowTo32(ty, getIReg(rs)),mkU32(extend_s_16to32(imm))),
True));
} else
putIReg(rt, binop(Iop_Add32, getIReg(rs),mkU32(extend_s_16to32(imm))));
break;
case 0x0C: /* ANDI */
DIP("andi r%d, r%d, %d", rt, rs, imm);
if (mode64) {
ALUI_PATTERN64(Iop_And64);
} else {
ALUI_PATTERN(Iop_And32);
}
break;
case 0x0E: /* XORI */
DIP("xori r%d, r%d, %d", rt, rs, imm);
if (mode64) {
ALUI_PATTERN64(Iop_Xor64);
} else {
ALUI_PATTERN(Iop_Xor32);
}
break;
case 0x0D: /* ORI */
DIP("ori r%d, r%d, %d", rt, rs, imm);
if (mode64) {
ALUI_PATTERN64(Iop_Or64);
} else {
ALUI_PATTERN(Iop_Or32);
}
break;
case 0x0A: /* SLTI */
DIP("slti r%d, r%d, %d", rt, rs, imm);
if (mode64)
putIReg(rt, unop(Iop_1Uto64, binop(Iop_CmpLT64S, getIReg(rs),
mkU64(extend_s_16to64(imm)))));
else
putIReg(rt, unop(Iop_1Uto32, binop(Iop_CmpLT32S, getIReg(rs),
mkU32(extend_s_16to32(imm)))));
break;
case 0x0B: /* SLTIU */
DIP("sltiu r%d, r%d, %d", rt, rs, imm);
if (mode64)
putIReg(rt, unop(Iop_1Uto64, binop(Iop_CmpLT64U, getIReg(rs),
mkU64(extend_s_16to64(imm)))));
else
putIReg(rt, unop(Iop_1Uto32, binop(Iop_CmpLT32U, getIReg(rs),
mkU32(extend_s_16to32(imm)))));
break;
case 0x18: { /* Doubleword Add Immidiate - DADD; MIPS64 */
DIP("daddi r%d, r%d, %d", rt, rs, imm);
IRTemp tmpRs64 = newTemp(Ity_I64);
assign(tmpRs64, getIReg(rs));
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I64);
t2 = newTemp(Ity_I64);
t3 = newTemp(Ity_I64);
t4 = newTemp(Ity_I64);
/* dst = src0 + sign(imm)
if(sign(src0 ) != sign(imm ))
goto no overflow;
if(sign(dst) == sign(src0 ))
goto no overflow;
we have overflow! */
assign(t0, binop(Iop_Add64, mkexpr(tmpRs64),
mkU64(extend_s_16to64(imm))));
assign(t1, binop(Iop_Xor64, mkexpr(tmpRs64),
mkU64(extend_s_16to64(imm))));
assign(t2, unop(Iop_1Sto64, binop(Iop_CmpEQ64, binop(Iop_And64,
mkexpr(t1), mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
assign(t3, binop(Iop_Xor64, mkexpr(t0), mkexpr(tmpRs64)));
assign(t4, unop(Iop_1Sto64, binop(Iop_CmpNE64, binop(Iop_And64,
mkexpr(t3), mkU64(0x8000000000000000ULL)),
mkU64(0x8000000000000000ULL))));
stmt(IRStmt_Exit(binop(Iop_CmpEQ64, binop(Iop_Or64, mkexpr(t2),
mkexpr(t4)), mkU64(0)), Ijk_SigFPE_IntOvf,
IRConst_U64(guest_PC_curr_instr + 4),
OFFB_PC));
putIReg(rt, mkexpr(t0));
break;
}
case 0x19: /* Doubleword Add Immidiate Unsigned - DADDIU; MIPS64 */
DIP("daddiu r%d, r%d, %d", rt, rs, imm);
putIReg(rt, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
break;
case 0x1A: {
/* Load Doubleword Left - LDL; MIPS64 */
vassert(mode64);
DIP("ldl r%u, %d(r%u)", rt, imm, rs);
/* t1 = addr */
#if defined (_MIPSEL)
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
#elif defined (_MIPSEB)
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Xor64, mkU64(0x7), binop(Iop_Add64, getIReg(rs),
mkU64(extend_s_16to64(imm)))));
#endif
/* t2 = word addr */
/* t4 = addr mod 8 */
LWX_SWX_PATTERN64_1;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_Shl64, load(Ity_I64, mkexpr(t2)),
narrowTo(Ity_I8, binop(Iop_Shl64, binop(Iop_Sub64, mkU64(0x07),
mkexpr(t4)), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I64);
t6 = newTemp(Ity_I64);
t7 = newTemp(Ity_I64);
assign(t5, binop(Iop_Mul64, mkexpr(t4), mkU64(0x8)));
assign(t6, binop(Iop_Shr64, mkU64(0x00FFFFFFFFFFFFFFULL),
narrowTo(Ity_I8, mkexpr(t5))));
assign(t7, binop(Iop_And64, getIReg(rt), mkexpr(t6)));
putIReg(rt, binop(Iop_Or64, mkexpr(t7), mkexpr(t3)));
break;
}
case 0x1B: {
/* Load Doubleword Right - LDR; MIPS64 */
vassert(mode64);
DIP("ldr r%u,%d(r%u)", rt, imm, rs);
/* t1 = addr */
#if defined (_MIPSEL)
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Add64, getIReg(rs), mkU64(extend_s_16to64(imm))));
#elif defined (_MIPSEB)
t1 = newTemp(Ity_I64);
assign(t1, binop(Iop_Xor64, mkU64(0x7), binop(Iop_Add64, getIReg(rs),
mkU64(extend_s_16to64(imm)))));
#endif
/* t2 = word addr */
/* t4 = addr mod 8 */
LWX_SWX_PATTERN64_1;
/* t3 = word content - shifted */
t3 = newTemp(Ity_I64);
assign(t3, binop(Iop_Shr64, load(Ity_I64, mkexpr(t2)),
narrowTo(Ity_I8, binop(Iop_Shl64, mkexpr(t4), mkU8(3)))));
/* rt content - adjusted */
t5 = newTemp(Ity_I64);
assign(t5, binop(Iop_And64, getIReg(rt), unop(Iop_Not64,
binop(Iop_Shr64, mkU64(0xFFFFFFFFFFFFFFFFULL),
narrowTo(Ity_I8, binop(Iop_Shl64, mkexpr(t4), mkU8(0x3)))))));
putIReg(rt, binop(Iop_Or64, mkexpr(t5), mkexpr(t3)));
break;
}
case 0x27: /* Load Word unsigned - LWU; MIPS64 */
DIP("lwu r%u,%d(r%u)", rt, imm, rs);
LOAD_STORE_PATTERN;
putIReg(rt, mkWidenFrom32(ty, load(Ity_I32, mkexpr(t1)), False));
break;
case 0x30: /* LL / LWC0 */
DIP("ll r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
t2 = newTemp(Ity_I32);
#if defined (_MIPSEL)
stmt(IRStmt_LLSC(Iend_LE, t2, mkexpr(t1), NULL /* this is a load */ ));
#elif defined (_MIPSEB)
stmt(IRStmt_LLSC(Iend_BE, t2, mkexpr(t1), NULL /* this is a load */ ));
#endif
if (mode64)
putIReg(rt, unop(Iop_32Sto64, mkexpr(t2)));
else
putIReg(rt, mkexpr(t2));
break;
case 0x34: /* Load Linked Doubleword - LLD; MIPS64 */
DIP("lld r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
t2 = newTemp(Ity_I64);
#if defined (_MIPSEL)
stmt(IRStmt_LLSC
(Iend_LE, t2, mkexpr(t1), NULL /* this is a load */ ));
#elif defined (_MIPSEB)
stmt(IRStmt_LLSC
(Iend_BE, t2, mkexpr(t1), NULL /* this is a load */ ));
#endif
putIReg(rt, mkexpr(t2));
break;
case 0x38: /* SC / SWC0 */
DIP("sc r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
t2 = newTemp(Ity_I1);
#if defined (_MIPSEL)
stmt(IRStmt_LLSC(Iend_LE, t2, mkexpr(t1), mkNarrowTo32(ty, getIReg(rt))));
#elif defined (_MIPSEB)
stmt(IRStmt_LLSC(Iend_BE, t2, mkexpr(t1), mkNarrowTo32(ty, getIReg(rt))));
#endif
putIReg(rt, unop(mode64 ? Iop_1Uto64 : Iop_1Uto32, mkexpr(t2)));
break;
case 0x3C: /* Store Conditional Doubleword - SCD; MIPS64 */
DIP("sdc r%d, %d(r%d)", rt, imm, rs);
LOAD_STORE_PATTERN;
t2 = newTemp(Ity_I1);
#if defined (_MIPSEL)
stmt(IRStmt_LLSC(Iend_LE, t2, mkexpr(t1), getIReg(rt)));
#elif defined (_MIPSEB)
stmt(IRStmt_LLSC(Iend_BE, t2, mkexpr(t1), getIReg(rt)));
#endif
putIReg(rt, unop(Iop_1Uto64, mkexpr(t2)));
break;
case 0x37: /* Load Doubleword - LD; MIPS64 */
DIP("ld r%u, %d(r%u)", rt, imm, rs);
LOAD_STORE_PATTERN;
putIReg(rt, load(Ity_I64, mkexpr(t1)));
break;
case 0x3F: /* Store Doubleword - SD; MIPS64 */
DIP("sd r%u, %d(r%u)", rt, imm, rs);
LOAD_STORE_PATTERN;
store(mkexpr(t1), getIReg(rt));
break;
case 0x32: /* Branch on Bit Clear - BBIT0; Cavium OCTEON */
/* Cavium Specific instructions. */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
DIP("bbit0 r%d, 0x%x, %x", rs, rt, imm);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
assign(t0, mkU32(0x1));
assign(t1, binop(Iop_Shl32, mkexpr(t0), mkU8(rt)));
dis_branch(False, binop(Iop_CmpEQ32,
binop(Iop_And32,
mkexpr(t1),
mkNarrowTo32(ty, getIReg(rs))),
mkU32(0x0)),
imm, &bstmt);
break;
} else {
goto decode_failure;
}
case 0x36: /* Branch on Bit Clear Plus 32 - BBIT032; Cavium OCTEON */
/* Cavium Specific instructions. */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
DIP("bbit032 r%d, 0x%x, %x", rs, rt, imm);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I8); /* Shift. */
t2 = newTemp(Ity_I64);
assign(t0, mkU64(0x1));
assign(t1, binop(Iop_Add8, mkU8(rt), mkU8(32)));
assign(t2, binop(Iop_Shl64, mkexpr(t0), mkexpr(t1)));
dis_branch(False, binop(Iop_CmpEQ64,
binop(Iop_And64,
mkexpr(t2),
getIReg(rs)),
mkU64(0x0)),
imm, &bstmt);
break;
} else {
goto decode_failure;
}
case 0x3A: /* Branch on Bit Set - BBIT1; Cavium OCTEON */
/* Cavium Specific instructions. */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
DIP("bbit1 r%d, 0x%x, %x", rs, rt, imm);
t0 = newTemp(Ity_I32);
t1 = newTemp(Ity_I32);
assign(t0, mkU32(0x1));
assign(t1, binop(Iop_Shl32, mkexpr(t0), mkU8(rt)));
dis_branch(False, binop(Iop_CmpNE32,
binop(Iop_And32,
mkexpr(t1),
mkNarrowTo32(ty, getIReg(rs))),
mkU32(0x0)),
imm, &bstmt);
break;
} else {
goto decode_failure;
}
case 0x3E: /* Branch on Bit Set Plus 32 - BBIT132; Cavium OCTEON */
/* Cavium Specific instructions. */
if (VEX_MIPS_COMP_ID(archinfo->hwcaps) == VEX_PRID_COMP_CAVIUM) {
DIP("bbit132 r%d, 0x%x, %x", rs, rt, imm);
t0 = newTemp(Ity_I64);
t1 = newTemp(Ity_I8); /* Shift. */
t2 = newTemp(Ity_I64);
assign(t0, mkU64(0x1));
assign(t1, binop(Iop_Add8, mkU8(rt), mkU8(32)));
assign(t2, binop(Iop_Shl64, mkexpr(t0), mkexpr(t1)));
dis_branch(False, binop(Iop_CmpNE64,
binop(Iop_And64,
mkexpr(t2),
getIReg(rs)),
mkU64(0x0)),
imm, &bstmt);
break;
} else {
goto decode_failure;
}
default:
goto decode_failure;
decode_failure_dsp:
vex_printf("Error occured while trying to decode MIPS32 DSP "
"instruction.\nYour platform probably doesn't support "
"MIPS32 DSP ASE.\n");
decode_failure:
/* All decode failures end up here. */
if (sigill_diag)
vex_printf("vex mips->IR: unhandled instruction bytes: "
"0x%x 0x%x 0x%x 0x%x\n",
(Int) getIByte(delta_start + 0),
(Int) getIByte(delta_start + 1),
(Int) getIByte(delta_start + 2),
(Int) getIByte(delta_start + 3));
/* Tell the dispatcher that this insn cannot be decoded, and so has
not been executed, and (is currently) the next to be executed.
EIP should be up-to-date since it made so at the start bnezof each
insn, but nevertheless be paranoid and update it again right
now. */
if (mode64) {
stmt(IRStmt_Put(offsetof(VexGuestMIPS64State, guest_PC),
mkU64(guest_PC_curr_instr)));
jmp_lit64(&dres, Ijk_NoDecode, guest_PC_curr_instr);
} else {
stmt(IRStmt_Put(offsetof(VexGuestMIPS32State, guest_PC),
mkU32(guest_PC_curr_instr)));
jmp_lit32(&dres, Ijk_NoDecode, guest_PC_curr_instr);
}
dres.whatNext = Dis_StopHere;
dres.len = 0;
return dres;
} /* switch (opc) for the main (primary) opcode switch. */
/* All MIPS insn have 4 bytes */
if (delay_slot_branch) {
delay_slot_branch = False;
stmt(bstmt);
bstmt = NULL;
if (mode64)
putPC(mkU64(guest_PC_curr_instr + 4));
else
putPC(mkU32(guest_PC_curr_instr + 4));
dres.jk_StopHere = is_Branch_or_Jump_and_Link(guest_code + delta - 4) ?
Ijk_Call : Ijk_Boring;
}
if (likely_delay_slot) {
dres.jk_StopHere = Ijk_Boring;
dres.whatNext = Dis_StopHere;
putPC(lastn);
lastn = NULL;
}
if (delay_slot_jump) {
putPC(lastn);
lastn = NULL;
dres.jk_StopHere = is_Branch_or_Jump_and_Link(guest_code + delta - 4) ?
Ijk_Call : Ijk_Boring;
}
decode_success:
/* All decode successes end up here. */
switch (dres.whatNext) {
case Dis_Continue:
if (mode64)
putPC(mkU64(guest_PC_curr_instr + 4));
else
putPC(mkU32(guest_PC_curr_instr + 4));
break;
case Dis_ResteerU:
case Dis_ResteerC:
putPC(mkU32(dres.continueAt));
break;
case Dis_StopHere:
break;
default:
vassert(0);
break;
}
/* On MIPS we need to check if the last instruction in block is branch or
jump. */
if (((vex_control.guest_max_insns - 1) == (delta + 4) / 4)
&& (dres.whatNext != Dis_StopHere))
if (branch_or_jump(guest_code + delta + 4)) {
dres.whatNext = Dis_StopHere;
dres.jk_StopHere = Ijk_Boring;
if (mode64)
putPC(mkU64(guest_PC_curr_instr + 4));
else
putPC(mkU32(guest_PC_curr_instr + 4));
}
dres.len = 4;
DIP("\n");
return dres;
}
/*------------------------------------------------------------*/
/*--- Top-level fn ---*/
/*------------------------------------------------------------*/
/* Disassemble a single instruction into IR. The instruction
is located in host memory at &guest_code[delta]. */
DisResult disInstr_MIPS( IRSB* irsb_IN,
Bool (*resteerOkFn) ( void *, Addr ),
Bool resteerCisOk,
void* callback_opaque,
const UChar* guest_code_IN,
Long delta,
Addr guest_IP,
VexArch guest_arch,
const VexArchInfo* archinfo,
const VexAbiInfo* abiinfo,
VexEndness host_endness_IN,
Bool sigill_diag_IN )
{
DisResult dres;
/* Set globals (see top of this file) */
vassert(guest_arch == VexArchMIPS32 || guest_arch == VexArchMIPS64);
mode64 = guest_arch != VexArchMIPS32;
#if (__mips_fpr==64)
fp_mode64 = ((VEX_MIPS_REV(archinfo->hwcaps) == VEX_PRID_CPU_32FPR)
|| guest_arch == VexArchMIPS64);
#endif
guest_code = guest_code_IN;
irsb = irsb_IN;
host_endness = host_endness_IN;
#if defined(VGP_mips32_linux)
guest_PC_curr_instr = (Addr32)guest_IP;
#elif defined(VGP_mips64_linux)
guest_PC_curr_instr = (Addr64)guest_IP;
#endif
dres = disInstr_MIPS_WRK(resteerOkFn, resteerCisOk, callback_opaque,
delta, archinfo, abiinfo, sigill_diag_IN);
return dres;
}
/*--------------------------------------------------------------------*/
/*--- end guest_mips_toIR.c ---*/
/*--------------------------------------------------------------------*/