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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 RunF30F(x64emu_t *emu, rex_t rex)
{
uint8_t opcode;
uint8_t nextop;
int8_t tmp8s;
uint8_t tmp8u;
uint32_t tmp32u;
uint64_t tmp64u;
reg64_t *oped, *opgd;
sse_regs_t *opex, *opgx, eax1;
mmx87_regs_t *opem;
opcode = F8;
switch(opcode) {
case 0x10: /* MOVSS Gx Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->ud[0] = EX->ud[0];
if(!MODREG) {
// EX is not a register (reg to reg only move 31:0)
GX->ud[1] = GX->ud[2] = GX->ud[3] = 0;
}
break;
case 0x11: /* MOVSS Ex Gx */
nextop = F8;
GETEX(0);
GETGX;
EX->ud[0] = GX->ud[0];
break;
case 0x12: /* MOVSLDUP Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->ud[1] = GX->ud[0] = EX->ud[0];
GX->ud[3] = GX->ud[2] = EX->ud[2];
break;
case 0x16: /* MOVSHDUP Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->ud[1] = GX->ud[0] = EX->ud[1];
GX->ud[3] = GX->ud[2] = EX->ud[3];
break;
case 0x1E: /* ENDBR64 */
nextop = F8;
GETED(0);
break;
case 0x2A: /* CVTSI2SS Gx, Ed */
nextop = F8;
GETED(0);
GETGX;
if(rex.w)
GX->f[0] = ED->sq[0];
else
GX->f[0] = ED->sdword[0];
break;
case 0x2C: /* CVTTSS2SI Gd, Ex */
nextop = F8;
GETEX(0);
GETGD;
if (rex.w)
GD->sq[0] = EX->f[0];
else {
GD->sdword[0] = EX->f[0];
GD->dword[1] = 0;
}
break;
case 0x2D: /* CVTSS2SI Gd, Ex */
nextop = F8;
GETEX(0);
GETGD;
if(rex.w) {
switch((emu->mxcsr>>13)&3) {
case ROUND_Nearest:
GD->sq[0] = floorf(EX->f[0]+0.5f);
break;
case ROUND_Down:
GD->sq[0] = floorf(EX->f[0]);
break;
case ROUND_Up:
GD->sq[0] = ceilf(EX->f[0]);
break;
case ROUND_Chop:
GD->sq[0] = EX->f[0];
break;
}
} else {
switch((emu->mxcsr>>13)&3) {
case ROUND_Nearest:
GD->sdword[0] = floorf(EX->f[0]+0.5f);
break;
case ROUND_Down:
GD->sdword[0] = floorf(EX->f[0]);
break;
case ROUND_Up:
GD->sdword[0] = ceilf(EX->f[0]);
break;
case ROUND_Chop:
GD->sdword[0] = EX->f[0];
break;
}
GD->dword[1] = 0;
}
break;
case 0x51: /* SQRTSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] = sqrtf(EX->f[0]);
break;
case 0x52: /* RSQRTSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] = 1.0f/sqrtf(EX->f[0]);
break;
case 0x53: /* RCPSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] = 1.0f/EX->f[0];
break;
case 0x58: /* ADDSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] += EX->f[0];
break;
case 0x59: /* MULSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] *= EX->f[0];
break;
case 0x5A: /* CVTSS2SD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->d[0] = EX->f[0];
break;
case 0x5B: /* CVTTPS2DQ Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->sd[0] = EX->f[0];
GX->sd[1] = EX->f[1];
GX->sd[2] = EX->f[2];
GX->sd[3] = EX->f[3];
break;
case 0x5C: /* SUBSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] -= EX->f[0];
break;
case 0x5D: /* MINSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
if(isnan(GX->f[0]) || isnan(EX->f[0]) || isless(EX->f[0], GX->f[0]))
GX->f[0] = EX->f[0];
break;
case 0x5E: /* DIVSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->f[0] /= EX->f[0];
break;
case 0x5F: /* MAXSS Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
if (isnan(GX->f[0]) || isnan(EX->f[0]) || isgreater(EX->f[0], GX->f[0]))
GX->f[0] = EX->f[0];
break;
case 0x6F: /* MOVDQU Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
memcpy(GX, EX, 16); // unaligned...
break;
case 0x70: /* PSHUFHW Gx, Ex, Ib */
nextop = F8;
GETEX(1);
GETGX;
tmp8u = F8;
if(GX==EX) {
for (int i=0; i<4; ++i)
eax1.uw[4+i] = EX->uw[4+((tmp8u>>(i*2))&3)];
GX->q[1] = eax1.q[1];
} else {
for (int i=0; i<4; ++i)
GX->uw[4+i] = EX->uw[4+((tmp8u>>(i*2))&3)];
GX->q[0] = EX->q[0];
}
break;
case 0x7E: /* MOVQ Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->q[0] = EX->q[0];
GX->q[1] = 0;
break;
case 0x7F: /* MOVDQU Ex, Gx */
nextop = F8;
GETEX(0);
GETGX;
memcpy(EX, GX, 16); // unaligned...
break;
case 0xB8: /* POPCNT Gd,Ed */
nextop = F8;
GETED(0);
GETGD;
if(rex.w)
GD->q[0] = __builtin_popcountl(ED->q[0]);
else
GD->q[0] = __builtin_popcount(ED->dword[0]);
RESET_FLAGS(emu);
CLEAR_FLAG(F_OF);
CLEAR_FLAG(F_SF);
CLEAR_FLAG(F_ZF);
CLEAR_FLAG(F_AF);
CLEAR_FLAG(F_CF);
CLEAR_FLAG(F_PF);
CONDITIONAL_SET_FLAG(GD->q[0]==0, F_ZF);
break;
case 0xBC: /* TZCNT Ed,Gd */
CHECK_FLAGS(emu);
nextop = F8;
GETED(0);
GETGD;
if(rex.w) {
tmp64u = ED->q[0];
if(tmp64u) {
CLEAR_FLAG(F_ZF);
tmp8u = 0;
while(!(tmp64u&(1LL<<tmp8u))) ++tmp8u;
GD->q[0] = tmp8u;
CONDITIONAL_SET_FLAG(tmp8u==0, F_ZF);
CLEAR_FLAG(F_CF);
} else {
CLEAR_FLAG(F_ZF);
SET_FLAG(F_CF);
GD->q[0] = 64;
}
} else {
tmp32u = ED->dword[0];
if(tmp32u) {
CLEAR_FLAG(F_ZF);
tmp8u = 0;
while(!(tmp32u&(1<<tmp8u))) ++tmp8u;
GD->dword[0] = tmp8u;
CONDITIONAL_SET_FLAG(tmp8u==0, F_ZF);
CLEAR_FLAG(F_CF);
} else {
CLEAR_FLAG(F_ZF);
SET_FLAG(F_CF);
GD->dword[0] = 32;
}
}
break;
case 0xBD: /* LZCNT Ed,Gd */
CHECK_FLAGS(emu);
nextop = F8;
GETED(0);
GETGD;
if(rex.w) {
tmp64u = ED->q[0];
tmp8u = (tmp64u)?__builtin_clzl(tmp64u):64;
CONDITIONAL_SET_FLAG(tmp8u==0, F_ZF);
CONDITIONAL_SET_FLAG(tmp8u==64, F_CF);
} else {
tmp32u = ED->dword[0];
tmp8u = (tmp32u)?__builtin_clz(tmp32u):32;
CONDITIONAL_SET_FLAG(tmp8u==0, F_ZF);
CONDITIONAL_SET_FLAG(tmp8u==32, F_CF);
}
GD->q[0] = tmp8u;
break;
case 0xC2: /* CMPSS Gx, Ex, Ib */
nextop = F8;
GETEX(1);
GETGX;
tmp8u = F8;
tmp8s = 0;
switch(tmp8u&7) {
case 0: tmp8s=(GX->f[0] == EX->f[0]); break;
case 1: tmp8s=isless(GX->f[0], EX->f[0]) && !(isnan(GX->f[0]) || isnan(EX->f[0])); break;
case 2: tmp8s=islessequal(GX->f[0], EX->f[0]) && !(isnan(GX->f[0]) || isnan(EX->f[0])); break;
case 3: tmp8s=isnan(GX->f[0]) || isnan(EX->f[0]); break;
case 4: tmp8s=isnan(GX->f[0]) || isnan(EX->f[0]) || (GX->f[0] != EX->f[0]); break;
case 5: tmp8s=isnan(GX->f[0]) || isnan(EX->f[0]) || isgreaterequal(GX->f[0], EX->f[0]); break;
case 6: tmp8s=isnan(GX->f[0]) || isnan(EX->f[0]) || isgreater(GX->f[0], EX->f[0]); break;
case 7: tmp8s=!isnan(GX->f[0]) && !isnan(EX->f[0]); break;
}
GX->ud[0]=(tmp8s)?0xffffffff:0;
break;
case 0xD6: /* MOVQ2DQ Gx, Em */
nextop = F8;
GETEM(0);
GETGX;
GX->q[0] = EM->q;
GX->q[1] = 0;
break;
case 0xE6: /* CVTDQ2PD Gx, Ex */
nextop = F8;
GETEX(0);
GETGX;
GX->d[1] = EX->sd[1];
GX->d[0] = EX->sd[0];
break;
default:
return 1;
}
return 0;
}
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