MaskRay added a comment.
This is to kurly (original Gentoo reporter)
`printf '#include <smmintrin.h>\n#include <stdint.h>\nuint32_t
computeHardwareCRC32(uint32_t Crc, uint32_t Data) { return _mm_crc32_u32(Crc,
Data); }' > a.c`
`clang -m32 -march=i686 -msse4.2 -c a.c` seems to compile fine.
I have some older GCC and latest GCC (2022-04, multilib), `gcc -m32 -march=i686
-msse4.2 -c a.c` builds while `-mcrc32` doesn't.
I suspect we should revert the `-mcrc32` change. The `__CRC32__` macro may be
fine.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D122789/new/
https://reviews.llvm.org/D122789
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
