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| author | bunnei <bunneidev@gmail.com> | 2021-07-25 11:39:04 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-25 11:39:04 -0700 |
| commit | 98b26b6e126d4775fdf3f773fe8a8ac808a8ff8f (patch) | |
| tree | 816faa96c2c4d291825063433331a8ea4b3d08f1 /src/shader_recompiler/backend/glasm/emit_glasm_select.cpp | |
| parent | c2aaf5137003868b2375b96ee84e2cb42d5f355e (diff) | |
| parent | 7f13104c1778cfdfd54350e92603164070781124 (diff) | |
Merge pull request #6585 from ameerj/hades
Shader Decompiler Rewrite
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_select.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_select.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp new file mode 100644 index 0000000000..68fff613c0 --- /dev/null +++ b/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp @@ -0,0 +1,67 @@ + +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "shader_recompiler/backend/glasm/emit_context.h" +#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h" +#include "shader_recompiler/frontend/ir/value.h" + +namespace Shader::Backend::GLASM { + +void EmitSelectU1(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 true_value, + ScalarS32 false_value) { + ctx.Add("CMP.S {},{},{},{};", inst, cond, true_value, false_value); +} + +void EmitSelectU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond, + [[maybe_unused]] ScalarS32 true_value, [[maybe_unused]] ScalarS32 false_value) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitSelectU16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond, + [[maybe_unused]] ScalarS32 true_value, [[maybe_unused]] ScalarS32 false_value) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 true_value, + ScalarS32 false_value) { + ctx.Add("CMP.S {},{},{},{};", inst, cond, true_value, false_value); +} + +void EmitSelectU64(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, Register true_value, + Register false_value) { + ctx.reg_alloc.InvalidateConditionCodes(); + const Register ret{ctx.reg_alloc.LongDefine(inst)}; + if (ret == true_value) { + ctx.Add("MOV.S.CC RC.x,{};" + "MOV.U64 {}.x(EQ.x),{};", + cond, ret, false_value); + } else if (ret == false_value) { + ctx.Add("MOV.S.CC RC.x,{};" + "MOV.U64 {}.x(NE.x),{};", + cond, ret, true_value); + } else { + ctx.Add("MOV.S.CC RC.x,{};" + "MOV.U64 {}.x,{};" + "MOV.U64 {}.x(NE.x),{};", + cond, ret, false_value, ret, true_value); + } +} + +void EmitSelectF16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond, + [[maybe_unused]] Register true_value, [[maybe_unused]] Register false_value) { + throw NotImplementedException("GLASM instruction"); +} + +void EmitSelectF32(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 true_value, + ScalarS32 false_value) { + ctx.Add("CMP.S {},{},{},{};", inst, cond, true_value, false_value); +} + +void EmitSelectF64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond, + [[maybe_unused]] Register true_value, [[maybe_unused]] Register false_value) { + throw NotImplementedException("GLASM instruction"); +} + +} // namespace Shader::Backend::GLASM |