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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-05-25 01:59:49 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:33 +0200
commit9fbfe7d676790dea160368eda6492e8feb6e2f4a (patch)
tree81bc6a375849fc6b114ec5cf26880bd93656099c /src
parentgl_shader_cache: Do not flip tessellation on OpenGL (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp12
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_instructions.h2
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp16
3 files changed, 22 insertions, 8 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 8718cc7ec..2ce839059 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -178,6 +178,10 @@ void EmitInst(EmitContext& ctx, IR::Inst* inst) {
throw LogicError("Invalid opcode {}", inst->GetOpcode());
}
+bool IsReference(IR::Inst& inst) {
+ return inst.GetOpcode() == IR::Opcode::Reference;
+}
+
void Precolor(EmitContext& ctx, const IR::Program& program) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) {
@@ -194,11 +198,13 @@ void Precolor(EmitContext& ctx, const IR::Program& program) {
default:
throw NotImplementedException("Phi node type {}", phi.Type());
}
+ // Insert phi moves before references to avoid overwritting them
const size_t num_args{phi.NumArgs()};
for (size_t i = 0; i < num_args; ++i) {
- IR::IREmitter{*phi.PhiBlock(i)}.PhiMove(phi, phi.Arg(i));
+ IR::Block& phi_block{*phi.PhiBlock(i)};
+ auto it{std::find_if_not(phi_block.rbegin(), phi_block.rend(), IsReference).base()};
+ IR::IREmitter{phi_block, it}.PhiMove(phi, phi.Arg(i));
}
- // Add reference to the phi node on the phi predecessor to avoid overwritting it
for (size_t i = 0; i < num_args; ++i) {
IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi});
}
@@ -237,7 +243,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
} else {
ctx.Add("MOV.S.CC RC,{};"
- "BRK (EQ.x);"
+ "BRK(EQ.x);"
"ENDREP;",
eval(node.data.repeat.cond));
}
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 5e038b332..cc7aa8e20 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -23,7 +23,7 @@ void EmitPhi(EmitContext& ctx, IR::Inst& inst);
void EmitVoid(EmitContext& ctx);
void EmitIdentity(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
void EmitConditionRef(EmitContext& ctx, IR::Inst& inst, const IR::Value& value);
-void EmitReference(EmitContext&);
+void EmitReference(EmitContext&, const IR::Value& value);
void EmitPhiMove(EmitContext& ctx, const IR::Value& phi, const IR::Value& value);
void EmitJoin(EmitContext& ctx);
void EmitDemoteToHelperInvocation(EmitContext& ctx);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
index 756134d02..3d7a3ebb4 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
@@ -17,18 +17,26 @@ namespace Shader::Backend::GLASM {
#define NotImplemented() throw NotImplementedException("GLASM instruction {}", __LINE__)
-void EmitPhi(EmitContext&, IR::Inst&) {}
+void EmitPhi(EmitContext& ctx, IR::Inst& inst) {
+ const size_t num_args{inst.NumArgs()};
+ for (size_t i = 0; i < num_args; ++i) {
+ ctx.reg_alloc.Consume(inst.Arg(i));
+ }
+}
void EmitVoid(EmitContext&) {}
-void EmitReference(EmitContext&) {}
+void EmitReference(EmitContext& ctx, const IR::Value& value) {
+ ctx.reg_alloc.Consume(value);
+}
void EmitPhiMove(EmitContext& ctx, const IR::Value& phi, const IR::Value& value) {
+ const Register phi_reg{ctx.reg_alloc.Consume(phi)};
+ const Value eval_value{ctx.reg_alloc.Consume(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.Inst()->Flags<IR::Type>()) {
case IR::Type::U1:
case IR::Type::U32: