================
@@ -3802,6 +3802,20 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC,
const CallExpr *Call,
return interp__builtin_ia32_movmsk_op(S, OpPC, Call);
}
+ case X86::BI__builtin_ia32_psignb128:
+ case X86::BI__builtin_ia32_psignb256:
+ case X86::BI__builtin_ia32_psignw128:
+ case X86::BI__builtin_ia32_psignw256:
+ case X86::BI__builtin_ia32_psignd128:
+ case X86::BI__builtin_ia32_psignd256:
+ return interp__builtin_elementwise_int_binop(
+ S, OpPC, Call, [](const APSInt &AElem, const APSInt &BElem) -> APInt {
+ return BElem[BElem.getBitWidth() - 1]
----------------
RKSimon wrote:
BElem.isNegative()?
https://github.com/llvm/llvm-project/pull/163685
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