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glasm: Implement PREC on relevant instructions

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ReinUsesLisp 2021-05-19 16:32:21 -03:00 committed by ameerj
parent accad56ee7
commit 91a3c2c1c0
1 changed files with 12 additions and 6 deletions
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18
src/shader_recompiler/backend/glasm/emit_glasm_floating_point.cpp
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@ -6,6 +6,7 @@
#include "shader_recompiler/backend/glasm/emit_context.h" #include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h" #include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/ir/value.h" #include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLASM { namespace Shader::Backend::GLASM {
@ -42,6 +43,11 @@ void Clamp(EmitContext& ctx, Register ret, InputType value, InputType min_value,
"MIN.{} {}.x,RC.x,{};", "MIN.{} {}.x,RC.x,{};",
type, min_value, value, type, ret, max_value); type, min_value, value, type, ret, max_value);
} }
std::string_view Precise(IR::Inst& inst) {
const bool precise{inst.Flags<IR::FpControl>().no_contraction};
return precise ? ".PREC" : "";
}
} // Anonymous namespace } // Anonymous namespace
void EmitFPAbs16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, void EmitFPAbs16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@ -63,11 +69,11 @@ void EmitFPAdd16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& i
} }
void EmitFPAdd32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) { void EmitFPAdd32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) {
ctx.Add("ADD.F {}.x,{},{};", inst, a, b); ctx.Add("ADD.F{} {}.x,{},{};", Precise(inst), ctx.reg_alloc.Define(inst), a, b);
} }
void EmitFPAdd64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b) { void EmitFPAdd64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b) {
ctx.LongAdd("ADD.F64 {}.x,{},{};", inst, a, b); ctx.Add("ADD.F64{} {}.x,{},{};", Precise(inst), ctx.reg_alloc.LongDefine(inst), a, b);
} }
void EmitFPFma16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, void EmitFPFma16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@ -77,11 +83,11 @@ void EmitFPFma16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& i
} }
void EmitFPFma32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b, ScalarF32 c) { void EmitFPFma32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b, ScalarF32 c) {
ctx.Add("MAD.F {}.x,{},{},{};", inst, a, b, c); ctx.Add("MAD.F{} {}.x,{},{},{};", Precise(inst), ctx.reg_alloc.Define(inst), a, b, c);
} }
void EmitFPFma64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b, ScalarF64 c) { void EmitFPFma64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b, ScalarF64 c) {
ctx.LongAdd("MAD.F64 {}.x,{},{},{};", inst, a, b, c); ctx.Add("MAD.F64{} {}.x,{},{},{};", Precise(inst), ctx.reg_alloc.LongDefine(inst), a, b, c);
} }
void EmitFPMax32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) { void EmitFPMax32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) {
@ -106,11 +112,11 @@ void EmitFPMul16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& i
} }
void EmitFPMul32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) { void EmitFPMul32(EmitContext& ctx, IR::Inst& inst, ScalarF32 a, ScalarF32 b) {
ctx.Add("MUL.F {}.x,{},{};", inst, a, b); ctx.Add("MUL.F{} {}.x,{},{};", Precise(inst), ctx.reg_alloc.Define(inst), a, b);
} }
void EmitFPMul64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b) { void EmitFPMul64(EmitContext& ctx, IR::Inst& inst, ScalarF64 a, ScalarF64 b) {
ctx.LongAdd("MUL.F64 {}.x,{},{};", inst, a, b); ctx.Add("MUL.F64{} {}.x,{},{};", Precise(inst), ctx.reg_alloc.LongDefine(inst), a, b);
} }
void EmitFPNeg16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) { void EmitFPNeg16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {