Op zo 25 sep. 2022 om 23:55 schreef Christian Weisgerber <na...@mips.inka.de >:
> The checks for SSE*/AVX* intrinsics in include/private/cpu.h are > suffering attrition with Clang 14 and newer. > > Clang 13: all are defined on x86: SSE, SSE2, SSSE3, SSE4.1, AVX, AVX2, FMA. > Clang 14: SSSE3 and AVX disappear. > Clang 15: only SSE and SSE2 are left, I'm told. > > The suggestion at... > > https://lists.freebsd.org/archives/freebsd-current/2022-September/002633.html > ... is to check for _mm* intrinsics instead of __builtin_*. > Maybe at this point it is reasonable to just start assuming support? That would mean dropping support (with default settings that is) on x86_64 for all Clang that do not supply AVX/AVX2/FMA intrinsics? That is how it works for GCC currently, intrinsics are supported for GCC 4.9 or later.
_______________________________________________ flac-dev mailing list flac-dev@xiph.org http://lists.xiph.org/mailman/listinfo/flac-dev
