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Set overflow flag for V_SUBREV_I32

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This commit is contained in:
offtkp 2024-09-02 05:28:09 +03:00
parent 0d81774464
commit 616910f3ad
1 changed files with 7 additions and 2 deletions
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9
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -665,8 +665,13 @@ void Translator::V_SUBREV_F32(const GcnInst& inst) {
void Translator::V_SUBREV_I32(const GcnInst& inst) {
const IR::U32 src0{GetSrc(inst.src[0])};
const IR::U32 src1{GetSrc(inst.src[1])};
SetDst(inst.dst[0], ir.ISub(src1, src0));
// TODO: Carry-out
const IR::U32 result{ir.ISub(src1, src0)};
SetDst(inst.dst[0], result);
const IR::U32 sign_mask{ir.Imm32(1 << 31)};
const IR::U32 sign0{ir.BitwiseAnd(src0, sign_mask)};
const IR::U32 sign1{ir.BitwiseAnd(src1, sign_mask)};
const IR::U32 signr{ir.BitwiseAnd(result, sign_mask)};
ir.SetVcc(ir.LogicalAnd(ir.INotEqual(sign0, sign1), ir.INotEqual(sign0, signr)));
}
void Translator::V_MAD_U64_U32(const GcnInst& inst) {