================
@@ -3523,6 +3523,24 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC,
const CallExpr *Call,
return F;
});
+ case X86::BI__builtin_ia32_vpmadd52luq128:
+ case X86::BI__builtin_ia32_vpmadd52luq256:
+ case X86::BI__builtin_ia32_vpmadd52luq512:
+ return interp__builtin_elementwise_triop(
+ S, OpPC, Call, [](const APSInt &A, const APSInt &B, const APSInt &C) {
+ return APSInt(A + (B.trunc(52) * C.trunc(52)).trunc(52).zext(64),
+ false);
----------------
RKSimon wrote:
agreed - interp__builtin_elementwise_triop's callback returns APInt - so the
APSInt is unnecessary (interp__builtin_elementwise_triop will convert to the
correct signedness based off the destination type).
https://github.com/llvm/llvm-project/pull/161056
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