mirror of https://git.h3cjp.net/H3cJP/yuzu.git
244 lines
10 KiB
C++
244 lines
10 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
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#include "shader_recompiler/backend/glasm/glasm_emit_context.h"
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#include "shader_recompiler/frontend/ir/value.h"
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namespace Shader::Backend::GLASM {
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namespace {
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template <auto read_imm, char type, typename... Values>
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void CompositeConstruct(EmitContext& ctx, IR::Inst& inst, Values&&... elements) {
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const Register ret{ctx.reg_alloc.Define(inst)};
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if (std::ranges::any_of(std::array{elements...},
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[](const IR::Value& value) { return value.IsImmediate(); })) {
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using Type = std::invoke_result_t<decltype(read_imm), IR::Value>;
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const std::array<Type, 4> values{(elements.IsImmediate() ? (elements.*read_imm)() : 0)...};
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ctx.Add("MOV.{} {},{{{},{},{},{}}};", type, ret, fmt::to_string(values[0]),
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fmt::to_string(values[1]), fmt::to_string(values[2]), fmt::to_string(values[3]));
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}
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size_t index{};
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for (const IR::Value& element : {elements...}) {
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if (!element.IsImmediate()) {
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const ScalarU32 value{ctx.reg_alloc.Consume(element)};
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ctx.Add("MOV.{} {}.{},{};", type, ret, "xyzw"[index], value);
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}
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++index;
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}
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}
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void CompositeExtract(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index, char type) {
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const Register ret{ctx.reg_alloc.Define(inst)};
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if (ret == composite && index == 0) {
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// No need to do anything here, the source and destination are the same register
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return;
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}
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ctx.Add("MOV.{} {}.x,{}.{};", type, ret, composite, "xyzw"[index]);
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}
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template <typename ObjectType>
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void CompositeInsert(EmitContext& ctx, IR::Inst& inst, Register composite, ObjectType object,
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u32 index, char type) {
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const Register ret{ctx.reg_alloc.Define(inst)};
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const char swizzle{"xyzw"[index]};
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if (ret != composite && ret == object) {
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// The object is aliased with the return value, so we have to use a temporary to insert
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ctx.Add("MOV.{} RC,{};"
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"MOV.{} RC.{},{};"
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"MOV.{} {},RC;",
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type, composite, type, swizzle, object, type, ret);
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} else if (ret != composite) {
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// The input composite is not aliased with the return value so we have to copy it before
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// hand. But the insert object is not aliased with the return value, so we don't have to
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// worry about that
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ctx.Add("MOV.{} {},{};"
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"MOV.{} {}.{},{};",
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type, ret, composite, type, ret, swizzle, object);
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} else {
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// The return value is aliased so we can just insert the object, it doesn't matter if it's
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// aliased
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ctx.Add("MOV.{} {}.{},{};", type, ret, swizzle, object);
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}
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}
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} // Anonymous namespace
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void EmitCompositeConstructU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2) {
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CompositeConstruct<&IR::Value::U32, 'U'>(ctx, inst, e1, e2);
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}
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void EmitCompositeConstructU32x3(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2, const IR::Value& e3) {
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CompositeConstruct<&IR::Value::U32, 'U'>(ctx, inst, e1, e2, e3);
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}
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void EmitCompositeConstructU32x4(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2, const IR::Value& e3, const IR::Value& e4) {
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CompositeConstruct<&IR::Value::U32, 'U'>(ctx, inst, e1, e2, e3, e4);
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}
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void EmitCompositeExtractU32x2(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'U');
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}
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void EmitCompositeExtractU32x3(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'U');
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}
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void EmitCompositeExtractU32x4(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'U');
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}
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void EmitCompositeInsertU32x2([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite,
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[[maybe_unused]] ScalarU32 object, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertU32x3([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite,
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[[maybe_unused]] ScalarU32 object, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertU32x4([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite,
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[[maybe_unused]] ScalarU32 object, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF16x2([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register e1,
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[[maybe_unused]] Register e2) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF16x3([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register e1,
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[[maybe_unused]] Register e2, [[maybe_unused]] Register e3) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF16x4([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register e1,
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[[maybe_unused]] Register e2, [[maybe_unused]] Register e3,
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[[maybe_unused]] Register e4) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF16x2([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF16x3([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF16x4([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF16x2([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF16x3([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF16x4([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2) {
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CompositeConstruct<&IR::Value::F32, 'F'>(ctx, inst, e1, e2);
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}
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void EmitCompositeConstructF32x3(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2, const IR::Value& e3) {
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CompositeConstruct<&IR::Value::F32, 'F'>(ctx, inst, e1, e2, e3);
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}
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void EmitCompositeConstructF32x4(EmitContext& ctx, IR::Inst& inst, const IR::Value& e1,
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const IR::Value& e2, const IR::Value& e3, const IR::Value& e4) {
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CompositeConstruct<&IR::Value::F32, 'F'>(ctx, inst, e1, e2, e3, e4);
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}
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void EmitCompositeExtractF32x2(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'F');
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}
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void EmitCompositeExtractF32x3(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'F');
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}
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void EmitCompositeExtractF32x4(EmitContext& ctx, IR::Inst& inst, Register composite, u32 index) {
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CompositeExtract(ctx, inst, composite, index, 'F');
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}
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void EmitCompositeInsertF32x2(EmitContext& ctx, IR::Inst& inst, Register composite,
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ScalarF32 object, u32 index) {
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CompositeInsert(ctx, inst, composite, object, index, 'F');
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}
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void EmitCompositeInsertF32x3(EmitContext& ctx, IR::Inst& inst, Register composite,
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ScalarF32 object, u32 index) {
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CompositeInsert(ctx, inst, composite, object, index, 'F');
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}
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void EmitCompositeInsertF32x4(EmitContext& ctx, IR::Inst& inst, Register composite,
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ScalarF32 object, u32 index) {
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CompositeInsert(ctx, inst, composite, object, index, 'F');
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}
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void EmitCompositeConstructF64x2([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF64x3([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeConstructF64x4([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF64x2([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF64x3([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeExtractF64x4([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF64x2([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF64x3([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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void EmitCompositeInsertF64x4([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] Register composite, [[maybe_unused]] Register object,
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[[maybe_unused]] u32 index) {
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throw NotImplementedException("GLASM instruction");
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}
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} // namespace Shader::Backend::GLASM
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