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shader_recompiler: Implement more opcodes

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This commit is contained in:
IndecisiveTurtle 2024-10-16 21:51:25 +03:00
parent 2f1d2e54c6
commit ed84d7460c
2 changed files with 22 additions and 5 deletions
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24
src/shader_recompiler/frontend/translate/scalar_alu.cpp
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@ -92,8 +92,12 @@ void Translator::EmitScalarAlu(const GcnInst& inst) {
break;
case Opcode::S_BREV_B32:
return S_BREV_B32(inst);
case Opcode::S_BCNT1_I32_B64:
return S_BCNT1_I32_B64(inst);
case Opcode::S_AND_SAVEEXEC_B64:
return S_AND_SAVEEXEC_B64(inst);
return S_SAVEEXEC_B64(NegateMode::None, false, inst);
case Opcode::S_ORN2_SAVEEXEC_B64:
return S_SAVEEXEC_B64(NegateMode::Src1, true, inst);
default:
LogMissingOpcode(inst);
}
@ -540,11 +544,17 @@ void Translator::S_BREV_B32(const GcnInst& inst) {
SetDst(inst.dst[0], ir.BitReverse(GetSrc(inst.src[0])));
}
void Translator::S_AND_SAVEEXEC_B64(const GcnInst& inst) {
void Translator::S_BCNT1_I32_B64(const GcnInst& inst) {
const IR::U32 result = ir.BitCount(GetSrc(inst.src[0]));
SetDst(inst.dst[0], result);
ir.SetScc(ir.INotEqual(result, ir.Imm32(0)));
}
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
// SGPR we have a special IR opcode for SPGRs that act as thread masks.
const IR::U1 exec{ir.GetExec()};
IR::U1 exec{ir.GetExec()};
const IR::U1 src = [&] {
switch (inst.src[0].field) {
case OperandField::VccLo:
@ -568,7 +578,13 @@ void Translator::S_AND_SAVEEXEC_B64(const GcnInst& inst) {
}
// Update EXEC.
const IR::U1 result = ir.LogicalAnd(exec, src);
if (negate == NegateMode::Src1) {
exec = ir.LogicalNot(exec);
}
IR::U1 result = is_or ? ir.LogicalOr(exec, src) : ir.LogicalAnd(exec, src);
if (negate == NegateMode::Result) {
result = ir.LogicalNot(result);
}
ir.SetExec(result);
ir.SetScc(result);
}

3
src/shader_recompiler/frontend/translate/translate.h
View File

@ -108,8 +108,9 @@ public:
void S_MOV_B64(const GcnInst& inst);
void S_NOT_B64(const GcnInst& inst);
void S_BREV_B32(const GcnInst& inst);
void S_BCNT1_I32_B64(const GcnInst& inst);
void S_GETPC_B64(u32 pc, const GcnInst& inst);
void S_AND_SAVEEXEC_B64(const GcnInst& inst);
void S_SAVEEXEC_B64(NegateMode negate, bool is_or, const GcnInst& inst);
// SOPC
void S_CMP(ConditionOp cond, bool is_signed, const GcnInst& inst);