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#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <pthread.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 "dynarec_arm64.h"
#include "dynarec_arm64_private.h"
#include "arm64_printer.h"
#include "emu/x87emu_private.h"
#include "dynarec_arm64_helper.h"
#include "dynarec_arm64_functions.h"
uintptr_t dynarec64_DF(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog)
{
uint8_t nextop = F8;
uint8_t ed, wback, u8;
int fixedaddress;
int v1, v2;
int j32;
int s0;
MAYUSE(s0);
MAYUSE(v2);
MAYUSE(v1);
MAYUSE(j32);
switch(nextop) {
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
case 0xC4:
case 0xC5:
case 0xC6:
case 0xC7:
INST_NAME("FFREEP STx");
// not handling Tag...
x87_do_pop(dyn, ninst);
break;
case 0xE0:
INST_NAME("FNSTSW AX");
LDRw_U12(x2, xEmu, offsetof(x64emu_t, top));
LDRH_U12(x1, xEmu, offsetof(x64emu_t, sw));
BFIw(x1, x2, 11, 3); // inject top
BFIw(xRAX, x1, 0, 16);
break;
case 0xE8:
case 0xE9:
case 0xEA:
case 0xEB:
case 0xEC:
case 0xED:
case 0xEE:
case 0xEF:
INST_NAME("FUCOMIP ST0, STx");
SETFLAGS(X_ALL, SF_SET);
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7);
FCMPD(v1, v2);
FCOMI(x1, x2);
x87_do_pop(dyn, ninst);
break;
case 0xF0:
case 0xF1:
case 0xF2:
case 0xF3:
case 0xF4:
case 0xF5:
case 0xF6:
case 0xF7:
INST_NAME("FCOMIP ST0, STx");
SETFLAGS(X_ALL, SF_SET);
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
v2 = x87_get_st(dyn, ninst, x1, x2, nextop&7);
FCMPD(v1, v2);
FCOMI(x1, x2);
x87_do_pop(dyn, ninst);
break;
case 0xC8:
case 0xC9:
case 0xCA:
case 0xCB:
case 0xCC:
case 0xCD:
case 0xCE:
case 0xCF:
case 0xD0:
case 0xD1:
case 0xD2:
case 0xD3:
case 0xD4:
case 0xD5:
case 0xD6:
case 0xD7:
case 0xD8:
case 0xD9:
case 0xDA:
case 0xDB:
case 0xDC:
case 0xDD:
case 0xDE:
case 0xDF:
case 0xE1:
case 0xE2:
case 0xE3:
case 0xE4:
case 0xE5:
case 0xE6:
case 0xE7:
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("FILD ST0, Ew");
v1 = x87_do_push(dyn, ninst);
addr = geted(dyn, addr, ninst, nextop, &wback, x3, &fixedaddress, 0xfff<<1, 1, rex, 0, 0);
LDRSHw_U12(x1, wback, fixedaddress);
SCVTFDw(v1, x1);
break;
case 1:
INST_NAME("FISTTP Ew, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, 0xfff<<1, 1, rex, 0, 0);
ed = x1;
s0 = fpu_get_scratch(dyn);
#if 0
// this version needs ARM v8.5, //TODO: add detection of this extensio to use it
FRINT32ZD(s0, v1);
// no saturation instruction on Arm, so using NEON
VFCVTZSd(s0, s0);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
#else
MSR_fpsr(x5);
BFCw(x5, FPSR_IOC, 1); // reset IOC bit
MRS_fpsr(x5);
VFCVTZSd(s0, v1);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
MSR_fpsr(x5); // get back FPSR to check the IOC bit
TBZ_NEXT(x5, FPSR_IOC);
MOV32w(x5, 0x8000);
STRH_U12(x5, wback, fixedaddress);
#endif
x87_do_pop(dyn, ninst);
break;
case 2:
INST_NAME("FIST Ew, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
u8 = x87_setround(dyn, ninst, x1, x2, x4);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, 0xfff<<1, 1, rex, 0, 0);
ed = x1;
s0 = fpu_get_scratch(dyn);
#if 0
FRINT32XD(s0, v1);
// no saturation instruction on Arm, so using NEON
VFCVTZSd(s0, s0);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
#else
MSR_fpsr(x5);
BFCw(x5, FPSR_IOC, 1); // reset IOC bit
MRS_fpsr(x5);
FRINTXD(s0, v1);
VFCVTZSd(s0, s0);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
MSR_fpsr(x5); // get back FPSR to check the IOC bit
TBZ_NEXT(x5, FPSR_IOC);
MOV32w(x5, 0x8000);
STRH_U12(x5, wback, fixedaddress);
#endif
x87_restoreround(dyn, ninst, u8);
break;
case 3:
INST_NAME("FISTP Ew, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
u8 = x87_setround(dyn, ninst, x1, x2, x4);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, 0xfff<<1, 1, rex, 0, 0);
ed = x1;
s0 = fpu_get_scratch(dyn);
#if 0
FRINT32XD(s0, v1);
// no saturation instruction on Arm, so using NEON
VFCVTZSd(s0, s0);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
#else
MSR_fpsr(x5);
BFCw(x5, FPSR_IOC, 1); // reset IOC bit
MRS_fpsr(x5);
FRINTXD(s0, v1);
VFCVTZSd(s0, s0);
SQXTN_S_D(s0, s0);
SQXTN_H_S(s0, s0);
VSTR16_U12(s0, wback, fixedaddress);
MSR_fpsr(x5); // get back FPSR to check the IOC bit
TBZ_NEXT(x5, FPSR_IOC);
MOV32w(x5, 0x8000);
STRH_U12(x5, wback, fixedaddress);
#endif
x87_do_pop(dyn, ninst);
x87_restoreround(dyn, ninst, u8);
break;
case 4:
INST_NAME("FBLD ST0, tbytes");
x87_do_push_empty(dyn, ninst, x1);
addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, 0, 0, rex, 0, 0);
if(ed!=x1) {MOVx_REG(x1, ed);}
CALL(fpu_fbld, -1);
break;
case 5:
INST_NAME("FILD ST0, i64");
v1 = x87_do_push(dyn, ninst);
addr = geted(dyn, addr, ninst, nextop, &wback, x3, &fixedaddress, 0xfff<<3, 7, rex, 0, 0);
LDRx_U12(x1, wback, fixedaddress);
SCVTFDx(v1, x1);
break;
case 6:
INST_NAME("FBSTP tbytes, ST0");
x87_forget(dyn, ninst, x1, x2, 0);
addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, 0, 0, rex, 0, 0);
if(ed!=x1) {MOVx_REG(x1, ed);}
CALL(fpu_fbst, -1);
x87_do_pop(dyn, ninst);
break;
case 7:
INST_NAME("FISTP i64, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0);
u8 = x87_setround(dyn, ninst, x1, x2, x4);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, 0xfff<<3, 7, rex, 0, 0);
ed = x1;
s0 = fpu_get_scratch(dyn);
#if 0
FRINT64XD(s0, v1);
VFCVTZSd(s0, s0);
VSTR64_U12(s0, wback, fixedaddress);
#else
MSR_fpsr(x5);
BFCw(x5, FPSR_IOC, 1); // reset IOC bit
MRS_fpsr(x5);
FRINTXD(s0, v1);
VFCVTZSd(s0, s0);
VSTR64_U12(s0, wback, fixedaddress);
MSR_fpsr(x5); // get back FPSR to check the IOC bit
TBZ_NEXT(x5, FPSR_IOC);
MOV64x(x5, 0x8000000000000000LL);
STRx_U12(x5, wback, fixedaddress);
#endif
x87_restoreround(dyn, ninst, u8);
break;
default:
DEFAULT;
}
}
return addr;
}
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