shader: share one find-first-bit lowering for S_FF0/FF1/FLBIT_I32_B64 and remove FindUMsb64

This commit is contained in:
nmzik
2026-10-21 22:39:34 +02:00
parent 6e5167598e
commit 4a1440197f
7 changed files with 27 additions and 56 deletions
@@ -238,10 +238,10 @@ void Translator::EmitScalar(const Decoder::Instruction& inst) {
return ComposedIntegerBinary(inst, IR::ValueOpcode::BitwiseOr32, false, true, true);
case O::S_XNOR_B32:
return ComposedIntegerBinary(inst, IR::ValueOpcode::BitwiseXor32, false, true, true);
case O::S_FF0_I32_B64: return S_FF_I32_B64(inst, true);
case O::S_FF1_I32_B64: return S_FF_I32_B64(inst, false);
case O::S_FF0_I32_B64: return S_FF_I32_B64(inst, true, false);
case O::S_FF1_I32_B64: return S_FF_I32_B64(inst, false, false);
case O::S_FLBIT_I32_B32: return V_FFBH_32(inst, false);
case O::S_FLBIT_I32_B64: return S_FLBIT_I32_B64(inst);
case O::S_FLBIT_I32_B64: return S_FF_I32_B64(inst, false, true);
case O::S_BITSET0_B32: return S_BITSET_B32(inst, false);
case O::S_BITSET1_B32: return S_BITSET_B32(inst, true);