8000 [RV64_DYNAREC] Added DF default /4 opcode by zohanzephyr · Pull Request #1631 · ptitSeb/box64 · GitHub
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[RV64_DYNAREC] Added DF default /4 opcode #1631

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Merged
merged 2 commits into from
Jul 3, 2024
Merged

[RV64_DYNAREC] Added DF default /4 opcode #1631

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[RV64_DYNAREC] Added DF default /4 opcode
zohanzephyr Jul 3, 2024
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zohanzephyr Jul 3, 2024
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27 changes: 27 additions & 0 deletions src/dynarec/rv64/dynarec_rv64_df.c
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,33 @@ uintptr_t dynarec64_DF(dynarec_rv64_t* dyn, uintptr_t addr, uintptr_t ip, int ni
SH(x4, wback, fixedaddress);
X87_POP_OR_FAIL(dyn, ninst, x3);
break;
case 4:
INST_NAME("FIST Ew, ST0");
v1 = x87_get_st(dyn, ninst, x1, x2, 0, EXT_CACHE_ST_F);
u8 = x87_setround(dyn, ninst, x1, x2);
addr = geted(dyn, addr, ninst, nextop, &wback, x2, x3, &fixedaddress, rex, NULL, 1, 0);
if(!box64_dynarec_fastround) {
FSFLAGSI(0); // reset all bits
}
if (ST_IS_F(0)) {
FCVTWS(x4, v1, RD_DYN);
} else {
FCVTWD(x4, v1, RD_DYN);
}
x87_restoreround(dyn, ninst, u8);
if(!box64_dynarec_fastround) {
FRFLAGS(x5); // get back FPSR to check the IOC bit
ANDI(x5, x5, 1<<FR_NV);
BNEZ_MARK(x5);
SLLIW(x5, x4, 16);
SRAIW(x5, x5, 16);
BEQ_MARK2(x5, x4);
MARK;
MOV32w(x4, 0x8000);
}
MARK2;
SH(x4, wback, fixedaddress);
break;
case 5:
INST_NAME("FILD ST0, i64");
X87_PUSH_OR_FAIL(v1, dyn, ninst, x1, EXT_CACHE_ST_I64);
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