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Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm.cpp')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp53
1 files changed, 22 insertions, 31 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 5ffefaad2..4f838b699 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -172,38 +172,29 @@ bool IsReference(IR::Inst& inst) {
return inst.GetOpcode() == IR::Opcode::Reference;
}
-void Precolor(EmitContext& ctx, const IR::Program& program) {
+void PrecolorInst(IR::Inst& phi) {
+ // Insert phi moves before references to avoid overwritting other phis
+ const size_t num_args{phi.NumArgs()};
+ for (size_t i = 0; i < num_args; ++i) {
+ IR::Block& phi_block{*phi.PhiBlock(i)};
+ auto it{std::find_if_not(phi_block.rbegin(), phi_block.rend(), IsReference).base()};
+ IR::IREmitter ir{phi_block, it};
+ const IR::Value arg{phi.Arg(i)};
+ if (arg.IsImmediate()) {
+ ir.PhiMove(phi, arg);
+ } else {
+ ir.PhiMove(phi, IR::Value{&RegAlloc::AliasInst(*arg.Inst())});
+ }
+ }
+ for (size_t i = 0; i < num_args; ++i) {
+ IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi});
+ }
+}
+
+void Precolor(const IR::Program& program) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) {
- switch (phi.Arg(0).Type()) {
- case IR::Type::U1:
- case IR::Type::U32:
- case IR::Type::F32:
- ctx.reg_alloc.Define(phi);
- break;
- case IR::Type::U64:
- case IR::Type::F64:
- ctx.reg_alloc.LongDefine(phi);
- break;
- 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::Block& phi_block{*phi.PhiBlock(i)};
- auto it{std::find_if_not(phi_block.rbegin(), phi_block.rend(), IsReference).base()};
- IR::IREmitter ir{phi_block, it};
- const IR::Value arg{phi.Arg(i)};
- if (arg.IsImmediate()) {
- ir.PhiMove(phi, arg);
- } else {
- ir.PhiMove(phi, IR::Value{&RegAlloc::AliasInst(*arg.Inst())});
- }
- }
- for (size_t i = 0; i < num_args; ++i) {
- IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi});
- }
+ PrecolorInst(phi);
}
}
}
@@ -388,7 +379,7 @@ std::string_view GetTessSpacing(TessSpacing spacing) {
std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, IR::Program& program,
Bindings& bindings) {
EmitContext ctx{program, bindings, profile, runtime_info};
- Precolor(ctx, program);
+ Precolor(program);
EmitCode(ctx, program);
std::string header{StageHeader(program.stage)};
SetupOptions(program, profile, runtime_info, header);