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#define _GNU_SOURCE
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
#include "debug.h"
#include "box64stack.h"
#include "x64emu.h"
#include "x64run.h"
#include "x64emu_private.h"
#include "x64run_private.h"
#include "x64primop.h"
#include "x64trace.h"
#include "x87emu_private.h"
#include "box64context.h"
#include "bridge.h"
#include "modrm.h"
int RunF20F(x64emu_t *emu, rex_t rex)
{
uint8_t opcode;
uint8_t nextop;
int8_t tmp8s;
uint8_t tmp8u;
int32_t tmp32s;
reg64_t *oped, *opgd;
sse_regs_t *opex, *opgx, eax1;
mmx87_regs_t *opgm;
#ifndef NOALIGN
int is_nan;
#endif
opcode = F8;
switch(opcode) {
case 0x10: /* MOVSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->q[0] = EX->q[0];
if((nextop&0xC0)!=0xC0) {
// EX is not a register
GX->q[1] = 0;
}
break;
case 0x11: /* MOVSD Ex, Gx */
nextop = F8;
GETEX(0);
GETGX;
EX->q[0] = GX->q[0];
break;
case 0x12: /* MOVDDUP Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->q[1] = GX->q[0] = EX->q[0];
break;
case 0x1E: /* NOP */
nextop = F8;
GETED(0);
break;
case 0x2A: /* CVTSI2SD Gx, Ed */
nextop = F8;
GETED(0);
GETGX;
if(rex.w) {
GX->d[0] = ED->sq[0];
} else {
GX->d[0] = ED->sdword[0];
}
break;
case 0x2C: /* CVTTSD2SI Gd, Ex */
nextop = F8;
GETEX(0);
GETGD;
if(rex.w)
GD->sq[0] = EX->d[0];
else {
GD->sdword[0] = EX->d[0];
GD->dword[1] = 0;
}
break;
case 0x2D: /* CVTSD2SI Gd, Ex */
nextop = F8;
GETEX(0);
GETGD;
if(rex.w) {
switch((emu->mxcsr>>13)&3) {
case ROUND_Nearest:
GD->q[0] = floor(EX->d[0]+0.5);
break;
case ROUND_Down:
GD->q[0] = floor(EX->d[0]);
break;
case ROUND_Up:
GD->q[0] = ceil(EX->d[0]);
break;
case ROUND_Chop:
GD->q[0] = EX->d[0];
break;
}
} else {
switch((emu->mxcsr>>13)&3) {
case ROUND_Nearest:
GD->sdword[0] = floor(EX->d[0]+0.5);
break;
case ROUND_Down:
GD->sdword[0] = floor(EX->d[0]);
break;
case ROUND_Up:
GD->sdword[0] = ceil(EX->d[0]);
break;
case ROUND_Chop:
GD->sdword[0] = EX->d[0];
break;
}
GD->dword[1] = 0;
}
break;
case 0x51: /* SQRTSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
if(EX->d[0]<0.0 )
GX->d[0] = -NAN;
else
GX->d[0] = sqrt(EX->d[0]);
break;
case 0x58: /* ADDSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
#ifndef NOALIGN
// add generate a -NAN only if doing inf + -inf
if((isinf(GX->d[0]) && isinf(EX->d[0]) && (EX->q[0]&0x8000000000000000LL)!=(GX->q[0]&0x8000000000000000LL)))
GX->d[0] = -NAN;
else
#endif
GX->d[0] += EX->d[0];
break;
case 0x59: /* MULSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
#ifndef NOALIGN
// mul generate a -NAN only if doing (+/-)inf * (+/-)0
if((isinf(GX->d[0]) && EX->d[0]==0.0) || (isinf(EX->d[0]) && GX->d[0]==0.0))
GX->d[0] = -NAN;
else
#endif
GX->d[0] *= EX->d[0];
break;
case 0x5A: /* CVTSD2SS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] = EX->d[0];
break;
case 0x5C: /* SUBSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
#ifndef NOALIGN
// sub generate a -NAN only if doing inf - inf
if((isinf(GX->d[0]) && isinf(EX->d[0]) && (EX->q[0]&0x8000000000000000LL)==(GX->q[0]&0x8000000000000000LL)))
GX->d[0] = -NAN;
else
#endif
GX->d[0] -= EX->d[0];
break;
case 0x5D: /* MINSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
if (isnan(GX->d[0]) || isnan(EX->d[0]) || isless(EX->d[0], GX->d[0]))
GX->d[0] = EX->d[0];
break;
case 0x5E: /* DIVSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
#ifndef NOALIGN
is_nan = isnan(GX->d[0]) || isnan(EX->d[0]);
#endif
GX->d[0] /= EX->d[0];
#ifndef NOALIGN
if(!is_nan && isnan(GX->d[0]))
GX->d[0] = -NAN;
#endif
break;
case 0x5F: /* MAXSD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
if (isnan(GX->d[0]) || isnan(EX->d[0]) || isgreater(EX->d[0], GX->d[0]))
GX->d[0] = EX->d[0];
break;
case 0x70: /* PSHUFLW Gx, Ex, Ib */
nextop = F8;
GETEX(1);
GETGX;
tmp8u = F8;
if(GX==EX) {
for (int i=0; i<4; ++i)
eax1.uw[i] = EX->uw[(tmp8u>>(i*2))&3];
GX->q[0] = eax1.q[0];
} else {
for (int i=0; i<4; ++i)
GX->uw[i] = EX->uw[(tmp8u>>(i*2))&3];
GX->q[1] = EX->q[1];
}
break;
case 0x7C: /* HADDPS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] += GX->f[1];
GX->f[1] = GX->f[2] + GX->f[3];
if(EX==GX) {
GX->f[2] = GX->f[0];
GX->f[3] = GX->f[1];
} else {
GX->f[2] = EX->f[0] + EX->f[1];
GX->f[3] = EX->f[2] + EX->f[3];
}
break;
GOCOND(0x80
, tmp32s = F32S; CHECK_FLAGS(emu);
, R_RIP += tmp32s;
,
) /* 0x80 -> 0x8F Jxx */
case 0xC2: /* CMPSD Gx, Ex, Ib */
nextop = F8;
GETEX(1);
GETGX;
tmp8u = F8;
tmp8s = 0;
switch(tmp8u&7) {
case 0: tmp8s=(GX->d[0] == EX->d[0]); break;
case 1: tmp8s=isless(GX->d[0], EX->d[0]) && !(isnan(GX->d[0]) || isnan(EX->d[0])); break;
case 2: tmp8s=islessequal(GX->d[0], EX->d[0]) && !(isnan(GX->d[0]) || isnan(EX->d[0])); break;
case 3: tmp8s=isnan(GX->d[0]) || isnan(EX->d[0]); break;
case 4: tmp8s=isnan(GX->d[0]) || isnan(EX->d[0]) || (GX->d[0] != EX->d[0]); break;
case 5: tmp8s=isnan(GX->d[0]) || isnan(EX->d[0]) || isgreaterequal(GX->d[0], EX->d[0]); break;
case 6: tmp8s=isnan(GX->d[0]) || isnan(EX->d[0]) || isgreater(GX->d[0], EX->d[0]); break;
case 7: tmp8s=!isnan(GX->d[0]) && !isnan(EX->d[0]); break;
}
GX->q[0]=(tmp8s)?0xffffffffffffffffLL:0LL;
break;
case 0xD0: /* ADDSUBPS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] -= EX->f[0];
GX->f[1] += EX->f[1];
GX->f[2] -= EX->f[2];
GX->f[3] += EX->f[3];
break;
case 0xD6: /* MOVDQ2Q Gm, Ex */
nextop = F8;
GETEX(0);
GETGM;
GM->q = EX->q[0];
break;
case 0xE6: /* CVTPD2DQ Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
switch((emu->mxcsr>>13)&3) {
case ROUND_Nearest:
GX->sd[0] = floor(EX->d[0]+0.5);
GX->sd[1] = floor(EX->d[1]+0.5);
break;
case ROUND_Down:
GX->sd[0] = floor(EX->d[0]);
GX->sd[1] = floor(EX->d[1]);
break;
case ROUND_Up:
GX->sd[0] = ceil(EX->d[0]);
GX->sd[1] = ceil(EX->d[1]);
break;
case ROUND_Chop:
GX->sd[0] = EX->d[0];
GX->sd[1] = EX->d[1];
break;
}
GX->q[1] = 0;
break;
case 0xF0: /* LDDQU Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
memcpy(GX, EX, 16);
break;
default:
return 1;
}
return 0;
}
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