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glsl: Simply FP storage atomics
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9cc1b8a873
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@ -78,32 +78,32 @@ void EmitContext::DefineHelperFunctions() {
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"uint CasDecrement(uint op_a,uint op_b){return(op_a==0||op_a>op_b)?op_b:(op_a-1u);}\n";
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}
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if (info.uses_atomic_f32_add) {
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code += "uint CasFloatAdd(uint op_a,uint op_b){return "
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"floatBitsToUint(uintBitsToFloat(op_a)+uintBitsToFloat(op_b));}\n";
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code += "uint CasFloatAdd(uint op_a,float op_b){return "
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"floatBitsToUint(uintBitsToFloat(op_a)+op_b);}\n";
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}
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if (info.uses_atomic_f32x2_add) {
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code += "uint CasFloatAdd32x2(uint op_a,uint op_b){return "
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"packHalf2x16(unpackHalf2x16(op_a)+unpackHalf2x16(op_b));}\n";
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code += "uint CasFloatAdd32x2(uint op_a,vec2 op_b){return "
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"packHalf2x16(unpackHalf2x16(op_a)+op_b);}\n";
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}
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if (info.uses_atomic_f32x2_min) {
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code += "uint CasFloatMin32x2(uint op_a,uint op_b){return "
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"packHalf2x16(min(unpackHalf2x16(op_a),unpackHalf2x16(op_b)));}\n";
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code += "uint CasFloatMin32x2(uint op_a,vec2 op_b){return "
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"packHalf2x16(min(unpackHalf2x16(op_a),op_b));}\n";
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}
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if (info.uses_atomic_f32x2_max) {
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code += "uint CasFloatMax32x2(uint op_a,uint op_b){return "
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"packHalf2x16(max(unpackHalf2x16(op_a),unpackHalf2x16(op_b)));}\n";
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code += "uint CasFloatMax32x2(uint op_a,vec2 op_b){return "
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"packHalf2x16(max(unpackHalf2x16(op_a),op_b));}\n";
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}
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if (info.uses_atomic_f16x2_add) {
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code += "uint CasFloatAdd16x2(uint op_a,uint op_b){return "
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"packFloat2x16(unpackFloat2x16(op_a)+unpackFloat2x16(op_b));}\n";
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code += "uint CasFloatAdd16x2(uint op_a,f16vec2 op_b){return "
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"packFloat2x16(unpackFloat2x16(op_a)+op_b);}\n";
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}
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if (info.uses_atomic_f16x2_min) {
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code += "uint CasFloatMin16x2(uint op_a,uint op_b){return "
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"packFloat2x16(min(unpackFloat2x16(op_a),unpackFloat2x16(op_b)));}\n";
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code += "uint CasFloatMin16x2(uint op_a,f16vec2 op_b){return "
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"packFloat2x16(min(unpackFloat2x16(op_a),op_b));}\n";
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}
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if (info.uses_atomic_f16x2_max) {
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code += "uint CasFloatMax16x2(uint op_a,uint op_b){return "
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"packFloat2x16(max(unpackFloat2x16(op_a),unpackFloat2x16(op_b)));}\n";
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code += "uint CasFloatMax16x2(uint op_a,f16vec2 op_b){return "
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"packFloat2x16(max(unpackFloat2x16(op_a),op_b));}\n";
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}
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// TODO: Track this usage
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code += "uint CasMinS32(uint op_a,uint op_b){return uint(min(int(op_a),int(op_b)));}";
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@ -19,16 +19,11 @@ for (;;){{
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if ({}==old_value){{break;}}
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}})"};
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void CasFunction(EmitContext& ctx, std::string_view ret, std::string_view ssbo,
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std::string_view value, std::string_view function) {
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ctx.Add(cas_loop.data(), ret, ssbo, ret, ssbo, function, ssbo, value, ret);
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}
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void CasFunctionInt32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value, std::string_view function) {
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void CasFunction(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value, std::string_view function) {
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const auto ret{ctx.reg_alloc.Define(inst)};
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const std::string ssbo{fmt::format("ssbo{}[{}]", binding.U32(), offset.U32())};
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CasFunction(ctx, ret, ssbo, value, function);
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ctx.Add(cas_loop.data(), ret, ssbo, ret, ssbo, function, ssbo, value, ret);
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}
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void CasFunctionF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -37,25 +32,10 @@ void CasFunctionF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const std::string u32_value{fmt::format("floatBitsToUint({})", value)};
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const auto ret{ctx.reg_alloc.Define(inst)};
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const auto ret_32{ret + "_u32"};
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CasFunction(ctx, ret_32, ssbo, u32_value, function);
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ctx.Add(cas_loop.data(), ret_32, ssbo, ret_32, ssbo, function, ssbo, value, ret_32);
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ctx.Add("float {}=uintBitsToFloat({});", ret, ret_32);
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}
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void CasFunctionF32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value, std::string_view function) {
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const std::string ssbo{fmt::format("ssbo{}[{}]", binding.U32(), offset.U32())};
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const std::string u32_value{fmt::format("packHalf2x16({})", value)};
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const auto ret{ctx.reg_alloc.Define(inst)};
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CasFunction(ctx, ret, ssbo, u32_value, function);
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}
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void CasFunctionF16x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value, std::string_view function) {
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const std::string ssbo{fmt::format("ssbo{}[{}]", binding.U32(), offset.U32())};
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const std::string u32_value{fmt::format("packFloat2x16({})", value)};
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const auto ret{ctx.reg_alloc.Define(inst)};
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CasFunction(ctx, ret, ssbo, u32_value, function);
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}
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} // namespace
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void EmitStorageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -66,7 +46,7 @@ void EmitStorageAtomicIAdd32(EmitContext& ctx, IR::Inst& inst, const IR::Value&
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void EmitStorageAtomicSMin32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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const std::string u32_value{fmt::format("uint({})", value)};
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CasFunctionInt32(ctx, inst, binding, offset, u32_value, "CasMinS32");
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CasFunction(ctx, inst, binding, offset, u32_value, "CasMinS32");
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}
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void EmitStorageAtomicUMin32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -77,7 +57,7 @@ void EmitStorageAtomicUMin32(EmitContext& ctx, IR::Inst& inst, const IR::Value&
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void EmitStorageAtomicSMax32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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const std::string u32_value{fmt::format("uint({})", value)};
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CasFunctionInt32(ctx, inst, binding, offset, u32_value, "CasMaxS32");
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CasFunction(ctx, inst, binding, offset, u32_value, "CasMaxS32");
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}
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void EmitStorageAtomicUMax32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -87,12 +67,12 @@ void EmitStorageAtomicUMax32(EmitContext& ctx, IR::Inst& inst, const IR::Value&
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void EmitStorageAtomicInc32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionInt32(ctx, inst, binding, offset, value, "CasIncrement");
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CasFunction(ctx, inst, binding, offset, value, "CasIncrement");
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}
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void EmitStorageAtomicDec32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionInt32(ctx, inst, binding, offset, value, "CasDecrement");
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CasFunction(ctx, inst, binding, offset, value, "CasDecrement");
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}
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void EmitStorageAtomicAnd32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -199,32 +179,32 @@ void EmitStorageAtomicAddF32(EmitContext& ctx, IR::Inst& inst, const IR::Value&
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void EmitStorageAtomicAddF16x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF16x2(ctx, inst, binding, offset, value, "CasFloatAdd16x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatAdd16x2");
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}
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void EmitStorageAtomicAddF32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF32x2(ctx, inst, binding, offset, value, "CasFloatAdd32x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatAdd32x2");
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}
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void EmitStorageAtomicMinF16x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF16x2(ctx, inst, binding, offset, value, "CasFloatMin16x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatMin16x2");
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}
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void EmitStorageAtomicMinF32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF32x2(ctx, inst, binding, offset, value, "CasFloatMin32x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatMin32x2");
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}
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void EmitStorageAtomicMaxF16x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF16x2(ctx, inst, binding, offset, value, "CasFloatMax16x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatMax16x2");
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}
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void EmitStorageAtomicMaxF32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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const IR::Value& offset, std::string_view value) {
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CasFunctionF32x2(ctx, inst, binding, offset, value, "CasFloatMax32x2");
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CasFunction(ctx, inst, binding, offset, value, "CasFloatMax32x2");
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}
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void EmitGlobalAtomicIAdd32(EmitContext&) {
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