From bf5e48ffe4bd48ea681f2a01c8919c97125e88df Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 14 May 2021 04:48:46 -0300
Subject: glasm: Initial implementation of phi nodes on GLASM
---
src/shader_recompiler/frontend/ir/ir_emitter.cpp | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
(limited to 'src/shader_recompiler/frontend/ir/ir_emitter.cpp')
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index eb45aa4772..def29143ec 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -61,6 +61,14 @@ F64 IREmitter::Imm64(f64 value) const {
return F64{Value{value}};
}
+void IREmitter::DummyReference(const Value& value) {
+ Inst(Opcode::DummyReference, value);
+}
+
+void IREmitter::PhiMove(IR::Inst& phi, const Value& value) {
+ Inst(Opcode::PhiMove, Value{&phi}, value);
+}
+
void IREmitter::Prologue() {
Inst(Opcode::Prologue);
}
@@ -69,10 +77,6 @@ void IREmitter::Epilogue() {
Inst(Opcode::Epilogue);
}
-void IREmitter::BranchConditionRef(const U1& cond) {
- Inst(Opcode::BranchConditionRef, cond);
-}
-
void IREmitter::DemoteToHelperInvocation() {
Inst(Opcode::DemoteToHelperInvocation);
}
@@ -106,6 +110,9 @@ void IREmitter::SetReg(IR::Reg reg, const U32& value) {
}
U1 IREmitter::GetPred(IR::Pred pred, bool is_negated) {
+ if (pred == Pred::PT) {
+ return Imm1(!is_negated);
+ }
const U1 value{Inst<U1>(Opcode::GetPred, pred)};
if (is_negated) {
return Inst<U1>(Opcode::LogicalNot, value);
@@ -264,6 +271,9 @@ static U1 GetFlowTest(IREmitter& ir, FlowTest flow_test) {
U1 IREmitter::Condition(IR::Condition cond) {
const FlowTest flow_test{cond.GetFlowTest()};
const auto [pred, is_negated]{cond.GetPred()};
+ if (flow_test == FlowTest::T) {
+ return GetPred(pred, is_negated);
+ }
return LogicalAnd(GetPred(pred, is_negated), GetFlowTest(*this, flow_test));
}
--
cgit v1.2.3-70-g09d2