venkataramanan.kumar.llvm added a comment. In D88712#2412366 <https://reviews.llvm.org/D88712#2412366>, @MaskRay wrote:
> In D88712#2411841 <https://reviews.llvm.org/D88712#2411841>, > @venkataramanan.kumar.llvm wrote: > >> > > For your example: > > extern double log (double) asm ("" "log_finite") __attribute__ ((nothrow)); > > double mylog (double d) { return log(d); } > > The intention is to emit `log_finite`, no matter the `-ffast-math`. Both GCC > and Clang (after this patch) emit `jmp log_finite`. > > The previous behavior (according to your comment, with an older glibc) was > undesired. So I think the right suggestion is to upgrade glibc. Then there optimizations like vectorization, inst combine which works on the LLVM intrinsics. But they will be not happening now with log_finite calls. is it possible to add an option to disable this feature, in case anyone who wants to avail these optimization? Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D88712/new/ https://reviews.llvm.org/D88712 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
