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IR: FPCompare{32,64} now return NZCV flags instead of implicitly setting them

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MerryMage
2018-02-05 12:16:01 +00:00
parent 2ee39d6b36
commit aac5af50e2
10 changed files with 51 additions and 26 deletions
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7
src/backend_x64/a32_emit_x64.cpp
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@@ -629,7 +629,12 @@ void A32EmitX64::EmitA32GetFpscrNZCV(A32EmitContext& ctx, IR::Inst* inst) {
void A32EmitX64::EmitA32SetFpscrNZCV(A32EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Xbyak::Reg32 value = ctx.reg_alloc.UseGpr(args[0]).cvt32();
Xbyak::Reg32 value = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
code.and_(value, 0b11000001'00000001);
code.imul(value, value, 0b00010000'00100001);
code.shl(value, 16);
code.and_(value, 0xF0000000);
code.mov(dword[r15 + offsetof(A32JitState, FPSCR_nzcv)], value);
}