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shader_recompiler: Fix BitCount64 and FindILsb64 (#1978)

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squidbus 2024-12-30 20:10:29 -08:00 • committed by GitHub
parent 62780e4e43
commit 284f473a52
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2 changed files with 19 additions and 5 deletions
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5
src/shader_recompiler/frontend/translate/scalar_alu.cpp
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@ -597,14 +597,13 @@ void Translator::S_BCNT1_I32_B64(const GcnInst& inst) {
void Translator::S_FF1_I32_B32(const GcnInst& inst) {
const IR::U32 src0{GetSrc(inst.src[0])};
const IR::U32 result{ir.Select(ir.IEqual(src0, ir.Imm32(0U)), ir.Imm32(-1), ir.FindILsb(src0))};
const IR::U32 result{ir.FindILsb(src0)};
SetDst(inst.dst[0], result);
}
void Translator::S_FF1_I32_B64(const GcnInst& inst) {
const IR::U64 src0{GetSrc64(inst.src[0])};
const IR::U32 result{
ir.Select(ir.IEqual(src0, ir.Imm64(u64(0))), ir.Imm32(-1), ir.FindILsb(src0))};
const IR::U32 result{ir.FindILsb(src0)};
SetDst(inst.dst[0], result);
}