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glasm: Implement SelectU64 on GLASM

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This commit is contained in:
ReinUsesLisp 2021-05-10 01:41:07 -03:00 • committed by ameerj
parent 56b7f92b56
commit c5055cade9
2 changed files with 20 additions and 4 deletions
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3
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
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@ -187,7 +187,8 @@ void EmitSelectU8(EmitContext& ctx, ScalarS32 cond, ScalarS32 true_value, Scalar
void EmitSelectU16(EmitContext& ctx, ScalarS32 cond, ScalarS32 true_value, ScalarS32 false_value);
void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 true_value,
ScalarS32 false_value);
void EmitSelectU64(EmitContext& ctx, ScalarS32 cond, Register true_value, Register false_value);
void EmitSelectU64(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, Register true_value,
Register false_value);
void EmitSelectF16(EmitContext& ctx, ScalarS32 cond, Register true_value, Register false_value);
void EmitSelectF32(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 true_value,
ScalarS32 false_value);

21
src/shader_recompiler/backend/glasm/emit_glasm_select.cpp
View file

@ -29,9 +29,24 @@ void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, ScalarS32 cond, ScalarS32 t
ctx.Add("CMP.S {},{},{},{};", inst, cond, true_value, false_value);
}
void EmitSelectU64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond,
[[maybe_unused]] Register true_value, [[maybe_unused]] Register false_value) {
throw NotImplementedException("GLASM instruction");
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(EQ.x),{};"
"MOV.U64 {}.x(NE.x),{};",
cond, ret, false_value, ret, true_value);
}
}
void EmitSelectF16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] ScalarS32 cond,