diff --git a/src/shader_recompiler/frontend/translate/vector_alu.cpp b/src/shader_recompiler/frontend/translate/vector_alu.cpp index db82b9a8b..5a80855d3 100644 --- a/src/shader_recompiler/frontend/translate/vector_alu.cpp +++ b/src/shader_recompiler/frontend/translate/vector_alu.cpp @@ -623,13 +623,15 @@ void Translator::V_ADDC_U32(const GcnInst& inst) { const IR::U32 src0{GetSrc(inst.src[0])}; const IR::U32 src1{GetSrc(inst.src[1])}; const IR::U32 carry{GetCarryIn(inst)}; - const IR::U32 temp{ir.IAdd(src0, src1)}; - const IR::U32 result{ir.IAdd(temp, carry)}; - SetDst(inst.dst[0], result); + const IR::Value tmp1{ir.IAddCary(src0, src1)}; + const IR::U32 result1{ir.CompositeExtract(tmp1, 0)}; + const IR::U32 carry_out1{ir.CompositeExtract(tmp1, 1)}; + const IR::Value tmp2{ir.IAddCary(result1, carry)}; + const IR::U32 result2{ir.CompositeExtract(tmp2, 0)}; + const IR::U32 carry_out2{ir.CompositeExtract(tmp2, 1)}; + SetDst(inst.dst[0], result2); - const IR::U1 less_1{ir.ILessThan(temp, src0, false)}; - const IR::U1 less_2{ir.ILessThan(result, carry, false)}; - const IR::U1 did_overflow{ir.LogicalOr(less_1, less_2)}; + const IR::U1 did_overflow{ir.INotEqual(ir.BitwiseOr(carry_out1, carry_out2), ir.Imm32(0))}; SetCarryOut(inst, did_overflow); }