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shader_recompiler: Implement S_BITSET(0/1)_B32 (#2039)
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squidbus 2025-01-05 15:08:27 -08:00 committed by GitHub
parent e5f638b378
commit 8879380427
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2 changed files with 12 additions and 0 deletions
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11
src/shader_recompiler/frontend/translate/scalar_alu.cpp
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@ -106,6 +106,10 @@ void Translator::EmitScalarAlu(const GcnInst& inst) {
return S_FF1_I32_B32(inst);
case Opcode::S_FF1_I32_B64:
return S_FF1_I32_B64(inst);
case Opcode::S_BITSET0_B32:
return S_BITSET_B32(inst, 0);
case Opcode::S_BITSET1_B32:
return S_BITSET_B32(inst, 1);
case Opcode::S_AND_SAVEEXEC_B64:
return S_SAVEEXEC_B64(NegateMode::None, false, inst);
case Opcode::S_ORN2_SAVEEXEC_B64:
@ -607,6 +611,13 @@ void Translator::S_FF1_I32_B64(const GcnInst& inst) {
SetDst(inst.dst[0], result);
}
void Translator::S_BITSET_B32(const GcnInst& inst, u32 bit_value) {
const IR::U32 old_value{GetSrc(inst.dst[0])};
const IR::U32 offset{ir.BitFieldExtract(GetSrc(inst.src[0]), ir.Imm32(0U), ir.Imm32(5U))};
const IR::U32 result{ir.BitFieldInsert(old_value, ir.Imm32(bit_value), offset, ir.Imm32(1U))};
SetDst(inst.dst[0], result);
}
void Translator::S_SAVEEXEC_B64(NegateMode negate, bool is_or, const GcnInst& inst) {
// This instruction normally operates on 64-bit data (EXEC, VCC, SGPRs)
// However here we flatten it to 1-bit EXEC and 1-bit VCC. For the destination

1
src/shader_recompiler/frontend/translate/translate.h
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@ -114,6 +114,7 @@ public:
void S_BCNT1_I32_B64(const GcnInst& inst);
void S_FF1_I32_B32(const GcnInst& inst);
void S_FF1_I32_B64(const GcnInst& inst);
void S_BITSET_B32(const GcnInst& inst, u32 bit_value);
void S_GETPC_B64(u32 pc, const GcnInst& inst);
void S_SAVEEXEC_B64(NegateMode negate, bool is_or, const GcnInst& inst);
void S_ABS_I32(const GcnInst& inst);