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V_CMP_EQ_U64 support (#3153)
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* Added V_CMP_EQ_U64 shader opcode support and added 64-bit relational operators (<,>,<=,>=)

* Fixed clang-format crying because I typed xargs clang-format instead of xargs clang-format-19

* Replaced V_CMP_EQ_U64 code to match V_CMP_U32 to test

* Updated V_CMP_U64 for future addons
This commit is contained in:
nickci2002 2025-07-02 12:22:30 -04:00 • committed by GitHub
parent efa7093f34
commit 9eae6b57ce
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
8 changed files with 145 additions and 64 deletions
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53
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -327,8 +327,10 @@ void Translator::EmitVectorAlu(const GcnInst& inst) {
return V_CMP_U32(ConditionOp::TRU, false, true, inst);
// V_CMP_{OP8}_U64
case Opcode::V_CMP_EQ_U64:
return V_CMP_U64(ConditionOp::EQ, false, false, inst);
case Opcode::V_CMP_NE_U64:
return V_CMP_NE_U64(inst);
return V_CMP_U64(ConditionOp::LG, false, false, inst);
case Opcode::V_CMP_CLASS_F32:
return V_CMP_CLASS_F32(inst);
@ -996,39 +998,32 @@ void Translator::V_CMP_U32(ConditionOp op, bool is_signed, bool set_exec, const
}
}
void Translator::V_CMP_NE_U64(const GcnInst& inst) {
const auto get_src = [&](const InstOperand& operand) {
switch (operand.field) {
case OperandField::VccLo:
return ir.GetVcc();
case OperandField::ExecLo:
return ir.GetExec();
case OperandField::ScalarGPR:
return ir.GetThreadBitScalarReg(IR::ScalarReg(operand.code));
case OperandField::ConstZero:
return ir.Imm1(false);
void Translator::V_CMP_U64(ConditionOp op, bool is_signed, bool set_exec, const GcnInst& inst) {
const IR::U64 src0{GetSrc64(inst.src[0])};
const IR::U64 src1{GetSrc64(inst.src[1])};
const IR::U1 result = [&] {
switch (op) {
case ConditionOp::EQ:
return ir.IEqual(src0, src1);
case ConditionOp::LG: // NE
return ir.INotEqual(src0, src1);
default:
UNREACHABLE();
UNREACHABLE_MSG("Unsupported V_CMP_U64 condition operation: {}", u32(op));
}
};
const IR::U1 src0{get_src(inst.src[0])};
auto op = [&inst, this](auto x) {
switch (inst.src[1].field) {
case OperandField::ConstZero:
return x;
case OperandField::SignedConstIntNeg:
return ir.LogicalNot(x);
default:
UNREACHABLE_MSG("unhandled V_CMP_NE_U64 source argument {}", u32(inst.src[1].field));
}
};
}();
if (is_signed) {
UNREACHABLE_MSG("V_CMP_U64 with signed integers is not supported");
}
if (set_exec) {
UNREACHABLE_MSG("Exec setting for V_CMP_U64 is not supported");
}
switch (inst.dst[1].field) {
case OperandField::VccLo:
ir.SetVcc(op(src0));
break;
return ir.SetVcc(result);
case OperandField::ScalarGPR:
ir.SetThreadBitScalarReg(IR::ScalarReg(inst.dst[1].code), op(src0));
break;
return ir.SetThreadBitScalarReg(IR::ScalarReg(inst.dst[1].code), result);
default:
UNREACHABLE();
}