================
@@ -3598,6 +3598,27 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC,
const CallExpr *Call,
return APInt::getAllOnes(DstBits);
});
+ case clang::X86::BI__builtin_ia32_selectss_128:
+ case clang::X86::BI__builtin_ia32_selectsd_128: {
+ const unsigned N =
+ Call->getArg(1)->getType()->getAs<VectorType>()->getNumElements();
+
+ const Pointer &W = S.Stk.pop<Pointer>();
+ const Pointer &A = S.Stk.pop<Pointer>();
+ APSInt U = popToAPSInt(S, Call->getArg(0));
+ const Pointer &Dst = S.Stk.peek<Pointer>();
+
+ const bool TakeA0 = U.getZExtValue() & 1ULL;
+
+ for (unsigned i = 0; i < N; ++i)
----------------
woruyu wrote:
Done!
https://github.com/llvm/llvm-project/pull/162816
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