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#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <errno.h>
#include "debug.h"
#include "box64context.h"
#include "dynarec.h"
#include "emu/x64emu_private.h"
#include "emu/x64run_private.h"
#include "x64run.h"
#include "x64emu.h"
#include "box64stack.h"
#include "callback.h"
#include "emu/x64run_private.h"
#include "x64trace.h"
#include "emu/x87emu_private.h"
#include "dynarec_native.h"
#include "rv64_printer.h"
#include "dynarec_rv64_private.h"
#include "dynarec_rv64_helper.h"
#include "dynarec_rv64_functions.h"
uintptr_t dynarec64_DD(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog)
{
(void)ip; (void)rep; (void)need_epilog;
uint8_t nextop = F8;
uint8_t ed, wback;
int64_t fixedaddress;
int unscaled;
int v1, v2;
int s0;
int64_t j64;
MAYUSE(s0);
MAYUSE(v2);
MAYUSE(v1);
MAYUSE(j64);
switch(nextop) {
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
case 0xC4:
case 0xC5:
case 0xC6:
case 0xC7:
INST_NAME("FFREE STx");
MESSAGE(LOG_DUMP, "Need Optimization\n");
x87_purgecache(dyn, ninst, 0, x1, x2, x3);
MOV32w(x1, nextop&7);
CALL(fpu_do_free, -1);
break;
case 0xD0:
case 0xD1:
case 0xD2:
case 0xD3:
case 0xD4:
case 0xD5:
case 0xD6:
case 0xD7:
INST_NAME("FST ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop & 7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop & 7, X87_COMBINE(0, nextop & 7));
if (ST_IS_F(0)) {
FMVS(v2, v1);
} else {
FMVD(v2, v1);
}
break;
case 0xD8:
INST_NAME("FSTP ST0, ST0");
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 0xD9:
case 0xDA:
case 0xDB:
case 0xDC:
case 0xDD:
case 0xDE:
case 0xDF:
INST_NAME("FSTP ST0, STx");
// copy the cache value for st0 to stx
x87_get_st_empty(dyn, ninst, x1, x2, nextop&7, X87_ST(nextop&7));
x87_get_st(dyn, ninst, x1, x2, 0, X87_ST0);
x87_swapreg(dyn, ninst, x1, x2, 0, nextop&7);
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 0xE0:
case 0xE1:
case 0xE2:
case 0xE3:
case 0xE4:
case 0xE5:
case 0xE6:
case 0xE7:
INST_NAME("FUCOM ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop & 7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop & 7, X87_COMBINE(0, nextop & 7));
if (ST_IS_F(0)) {
FCOMS(v1, v2, x1, x2, x3, x4, x5);
} else {
FCOMD(v1, v2, x1, x2, x3, x4, x5);
}
break;
case 0xE8:
case 0xE9:
case 0xEA:
case 0xEB:
case 0xEC:
case 0xED:
case 0xEE:
case 0xEF:
INST_NAME("FUCOMP ST0, STx");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, X87_COMBINE(0, nextop & 7));
v2 = x87_get_st(dyn, ninst, x1, x2, nextop & 7, X87_COMBINE(0, nextop & 7));
if (ST_IS_F(0)) {
FCOMS(v1, v2, x1, x2, x3, x4, x5);
} else {
FCOMD(v1, v2, x1, x2, x3, x4, x5);
}
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 0xC8:
case 0xC9:
case 0xCA:
case 0xCB:
case 0xCC:
case 0xCD:
case 0xCE:
case 0xCF:
case 0xF0:
case 0xF1:
case 0xF2:
case 0xF3:
case 0xF4:
case 0xF5:
case 0xF6:
case 0xF7:
case 0xF8:
case 0xF9:
case 0xFA:
case 0xFB:
case 0xFC:
case 0xFD:
case 0xFE:
case 0xFF:
DEFAULT;
break;
default:
switch((nextop>>3)&7) {
case 0:
INST_NAME("FLD double");
X87_PUSH_OR_FAIL(v1, dyn, ninst, x1, EXT_CACHE_ST_D);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, x1, &fixedaddress, rex, NULL, 1, 0);
FLD(v1, wback, fixedaddress);
break;
case 1:
INST_NAME("FISTTP i64, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_I64);
addr = geted(dyn, addr, ninst, nextop, &wback, x3, x4, &fixedaddress, rex, NULL, 1, 0);
if (ST_IS_I64(0)) {
FSD(v1, wback, fixedaddress);
} else {
if (!box64_dynarec_fastround) {
FSFLAGSI(0); // reset all bits
}
FCVTLD(x4, v1, RD_RTZ);
if (!box64_dynarec_fastround) {
FRFLAGS(x5); // get back FPSR to check the IOC bit
ANDI(x5, x5, 1 << FR_NV);
BEQZ_MARK(x5);
MOV64x(x4, 0x8000000000000000);
MARK;
}
SD(x4, wback, fixedaddress);
}
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 2:
INST_NAME("FST double");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_D);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, x1, &fixedaddress, rex, NULL, 1, 0);
FSD(v1, wback, fixedaddress);
break;
case 3:
INST_NAME("FSTP double");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_D);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, x1, &fixedaddress, rex, NULL, 1, 0);
FSD(v1, wback, fixedaddress);
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 6:
INST_NAME("FSAVE m108byte");
MESSAGE(LOG_DUMP, "Need Optimization\n");
fpu_purgecache(dyn, ninst, 0, x1, x2, x3);
addr = geted(dyn, addr, ninst, nextop, &ed, x4, x6, &fixedaddress, rex, NULL, 0, 0);
if (ed != x1) { MV(x1, ed); }
CALL(native_fsave, -1);
break;
case 7:
INST_NAME("FNSTSW m2byte");
fpu_purgecache(dyn, ninst, 0, x1, x2, x3);
addr = geted(dyn, addr, ninst, nextop, &ed, x4, x6, &fixedaddress, rex, NULL, 0, 0);
LWU(x2, xEmu, offsetof(x64emu_t, top));
LHU(x3, xEmu, offsetof(x64emu_t, sw));
if(dyn->e.x87stack) {
// update top
ADDI(x2, x2, -dyn->e.x87stack);
ANDI(x2, x2, 7);
}
MOV32w(x5, ~0x3800);
AND(x3, x3, x5); // mask out TOP
SLLI(x2, x2, 11); // shift TOP to bit 11
OR(x3, x3, x2); // inject TOP
SH(x3, ed, fixedaddress); // store whole sw flags
break;
default:
DEFAULT;
}
}
return addr;
}
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