summaryrefslogtreecommitdiff
path: root/src/shader_recompiler/backend/glasm/emit_glasm.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm.cpp')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp12
1 files changed, 9 insertions, 3 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) {
178 throw LogicError("Invalid opcode {}", inst->GetOpcode()); 178 throw LogicError("Invalid opcode {}", inst->GetOpcode());
179} 179}
180 180
181bool IsReference(IR::Inst& inst) {
182 return inst.GetOpcode() == IR::Opcode::Reference;
183}
184
181void Precolor(EmitContext& ctx, const IR::Program& program) { 185void Precolor(EmitContext& ctx, const IR::Program& program) {
182 for (IR::Block* const block : program.blocks) { 186 for (IR::Block* const block : program.blocks) {
183 for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) { 187 for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) {
@@ -194,11 +198,13 @@ void Precolor(EmitContext& ctx, const IR::Program& program) {
194 default: 198 default:
195 throw NotImplementedException("Phi node type {}", phi.Type()); 199 throw NotImplementedException("Phi node type {}", phi.Type());
196 } 200 }
201 // Insert phi moves before references to avoid overwritting them
197 const size_t num_args{phi.NumArgs()}; 202 const size_t num_args{phi.NumArgs()};
198 for (size_t i = 0; i < num_args; ++i) { 203 for (size_t i = 0; i < num_args; ++i) {
199 IR::IREmitter{*phi.PhiBlock(i)}.PhiMove(phi, phi.Arg(i)); 204 IR::Block& phi_block{*phi.PhiBlock(i)};
205 auto it{std::find_if_not(phi_block.rbegin(), phi_block.rend(), IsReference).base()};
206 IR::IREmitter{phi_block, it}.PhiMove(phi, phi.Arg(i));
200 } 207 }
201 // Add reference to the phi node on the phi predecessor to avoid overwritting it
202 for (size_t i = 0; i < num_args; ++i) { 208 for (size_t i = 0; i < num_args; ++i) {
203 IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi}); 209 IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi});
204 } 210 }
@@ -237,7 +243,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
237 } 243 }
238 } else { 244 } else {
239 ctx.Add("MOV.S.CC RC,{};" 245 ctx.Add("MOV.S.CC RC,{};"
240 "BRK (EQ.x);" 246 "BRK(EQ.x);"
241 "ENDREP;", 247 "ENDREP;",
242 eval(node.data.repeat.cond)); 248 eval(node.data.repeat.cond));
243 } 249 }