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glasm: Initial implementation of phi nodes on GLASM

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This commit is contained in:
ReinUsesLisp
2021-05-14 04:48:46 -03:00
committed by ameerj
parent 0f88fb5d72
commit bf5e48ffe4
12 changed files with 117 additions and 25 deletions
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27
src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
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@ -17,13 +17,32 @@ namespace Shader::Backend::GLASM {
#define NotImplemented() throw NotImplementedException("GLASM instruction {}", __LINE__)
void EmitPhi(EmitContext& ctx, IR::Inst& inst) {
NotImplemented();
}
void EmitPhi(EmitContext&, IR::Inst&) {}
void EmitVoid(EmitContext&) {}
void EmitBranchConditionRef(EmitContext&) {}
void EmitDummyReference(EmitContext&) {}
void EmitPhiMove(EmitContext& ctx, const IR::Value& phi, const IR::Value& value) {
if (phi == value) {
return;
}
const Register phi_reg{ctx.reg_alloc.Consume(phi)};
const Value eval_value{ctx.reg_alloc.Consume(value)};
switch (phi.InstRecursive()->Arg(0).Type()) {
case IR::Type::U1:
case IR::Type::U32:
case IR::Type::F32:
ctx.Add("MOV.S {}.x,{};", phi_reg, ScalarS32{eval_value});
break;
case IR::Type::U64:
case IR::Type::F64:
ctx.Add("MOV.U64 {}.x,{};", phi_reg, ScalarRegister{eval_value});
break;
default:
throw NotImplementedException("Phi node type {}", phi.Type());
}
}
void EmitJoin(EmitContext& ctx) {
NotImplemented();