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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-05-09 08:11:34 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:30 +0200
commit1c9307969c4e3f6206947f1360acae33f95a4a86 (patch)
tree86ccd9c88333327d7659a396f66301955a088f45 /src/shader_recompiler/backend/glasm/reg_alloc.cpp
parentglasm: Use CMP.S for Select32 (diff)
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Diffstat (limited to 'src/shader_recompiler/backend/glasm/reg_alloc.cpp')
-rw-r--r--src/shader_recompiler/backend/glasm/reg_alloc.cpp62
1 files changed, 35 insertions, 27 deletions
diff --git a/src/shader_recompiler/backend/glasm/reg_alloc.cpp b/src/shader_recompiler/backend/glasm/reg_alloc.cpp
index e198dd522..030b48d83 100644
--- a/src/shader_recompiler/backend/glasm/reg_alloc.cpp
+++ b/src/shader_recompiler/backend/glasm/reg_alloc.cpp
@@ -12,53 +12,61 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLASM {
-namespace {
-std::string Representation(Id id) {
- if (id.is_condition_code != 0) {
- throw NotImplementedException("Condition code");
- }
- if (id.is_spill != 0) {
- throw NotImplementedException("Spilling");
- }
- const u32 index{static_cast<u32>(id.index)};
- return fmt::format("R{}.x", index);
+
+Register RegAlloc::Define(IR::Inst& inst) {
+ const Id id{Alloc()};
+ inst.SetDefinition<Id>(id);
+ Register ret;
+ ret.type = Type::Register;
+ ret.id = id;
+ return ret;
}
-std::string ImmValue(const IR::Value& value) {
+Value RegAlloc::Consume(const IR::Value& value) {
+ if (!value.IsImmediate()) {
+ return Consume(*value.InstRecursive());
+ }
+ Value ret;
switch (value.Type()) {
case IR::Type::U1:
- return value.U1() ? "-1" : "0";
+ ret.type = Type::U32;
+ ret.imm_u32 = value.U1() ? 0xffffffff : 0;
+ break;
case IR::Type::U32:
- return fmt::format("{}", value.U32());
+ ret.type = Type::U32;
+ ret.imm_u32 = value.U32();
+ break;
case IR::Type::F32:
- return fmt::format("{}", value.F32());
+ ret.type = Type::F32;
+ ret.imm_f32 = value.F32();
+ break;
default:
throw NotImplementedException("Immediate type {}", value.Type());
}
+ return ret;
}
-} // Anonymous namespace
-std::string RegAlloc::Define(IR::Inst& inst) {
- const Id id{Alloc()};
- inst.SetDefinition<Id>(id);
- return Representation(id);
+Register RegAlloc::AllocReg() {
+ Register ret;
+ ret.type = Type::Register;
+ ret.id = Alloc();
+ return ret;
}
-std::string RegAlloc::Consume(const IR::Value& value) {
- if (value.IsImmediate()) {
- return ImmValue(value);
- } else {
- return Consume(*value.InstRecursive());
- }
+void RegAlloc::FreeReg(Register reg) {
+ Free(reg.id);
}
-std::string RegAlloc::Consume(IR::Inst& inst) {
+Value RegAlloc::Consume(IR::Inst& inst) {
const Id id{inst.Definition<Id>()};
inst.DestructiveRemoveUsage();
if (!inst.HasUses()) {
Free(id);
}
- return Representation(inst.Definition<Id>());
+ Value ret;
+ ret.type = Type::Register;
+ ret.id = id;
+ return ret;
}
Id RegAlloc::Alloc() {