forked from suyu/suyu
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "shader_recompiler/backend/glasm/emit_context.h"
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#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
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#include "shader_recompiler/frontend/ir/value.h"
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namespace Shader::Backend::GLASM {
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static void Alias(IR::Inst& inst, const IR::Value& value) {
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if (value.IsImmediate()) {
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return;
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}
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IR::Inst& value_inst{RegAlloc::AliasInst(*value.Inst())};
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value_inst.DestructiveAddUsage(inst.UseCount());
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value_inst.DestructiveRemoveUsage();
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inst.SetDefinition(value_inst.Definition<Id>());
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}
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void EmitIdentity(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitConditionRef(EmitContext& ctx, IR::Inst& inst, const IR::Value& value) {
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ctx.Add("MOV.S {},{};", inst, ScalarS32{ctx.reg_alloc.Consume(value)});
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}
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void EmitBitCastU16F16(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitBitCastU32F32(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitBitCastU64F64(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitBitCastF16U16(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitBitCastF32U32(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitBitCastF64U64(EmitContext&, IR::Inst& inst, const IR::Value& value) {
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Alias(inst, value);
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}
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void EmitPackUint2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.LongAdd("PK64.U {}.x,{};", inst, value);
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}
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void EmitUnpackUint2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.Add("UP64.U {}.xy,{}.x;", inst, value);
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}
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void EmitPackFloat2x16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitUnpackFloat2x16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register value) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitPackHalf2x16(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.Add("PK2H {}.x,{};", inst, value);
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}
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void EmitUnpackHalf2x16(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.Add("UP2H {}.xy,{}.x;", inst, value);
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}
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void EmitPackDouble2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.LongAdd("PK64 {}.x,{};", inst, value);
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}
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void EmitUnpackDouble2x32(EmitContext& ctx, IR::Inst& inst, Register value) {
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ctx.Add("UP64 {}.xy,{}.x;", inst, value);
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}
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} // namespace Shader::Backend::GLASM
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