================ @@ -1845,6 +1845,7 @@ bool sys::getHostCPUFeatures(StringMap<bool> &Features) { Features["prefetchi"] = HasLeaf7Subleaf1 && ((EDX >> 14) & 1); Features["usermsr"] = HasLeaf7Subleaf1 && ((EDX >> 15) & 1); Features["avx10.1-256"] = HasLeaf7Subleaf1 && ((EDX >> 19) & 1); + Features["apxf"] = HasLeaf7Subleaf1 && ((EDX >> 21) & 1); ---------------- FreddyLeaf wrote:
> My understanding is "apxf" here is used by front-end for FMV, right? Yes, not only FMV, but also __builtin_cpu_supports. > What would happen if there is "apxf" in the IR after this patch? if llc read "apxf" in attribute, I think a warning will be given like: ``` '+apxf' is not a recognized feature for this target (ignoring feature) ``` But such attribute won't be generated from frontend, because we didn't add logics for "apxf" in X86TargetInfo::hasFeature. https://github.com/llvm/llvm-project/pull/80636 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits