| commit | 9f78a7c1d0963282608da836b840f0d5ae1c478e | |
| author | Sunil K Pandey <skpgkp2@gmail.com> | |
| Tue, 13 Feb 2024 20:23:14 +0000 (13 12:23 -0800) | ||
| committer | Sunil K Pandey <skpgkp2@gmail.com> | |
| Sun, 25 Feb 2024 21:20:51 +0000 (25 13:20 -0800) | ||
| tree | bb6e79f075d7fbc5b2b6e39d4551f8a8b0dda332 | treesnapshot (tar.gz zip) |
| parent | f31d677fd69fb68c8b7a3c4cdaa6e9a1bd46d6a4 | commitdiff |
x86_64: Exclude SSE, AVX and FMA4 variants in libm multiarch
When glibc is built with ISA level 3 or higher by default, the resulting
glibc binaries won't run on SSE or FMA4 processors. Exclude SSE, AVX and
FMA4 variants in libm multiarch when ISA level 3 or higher is enabled by
default.
When glibc is built with ISA level 2 enabled by default, only keep SSE4.1
variant.
Fixes BZ 31335.
NB: elf/tst-valgrind-smoke test fails with ISA level 4, because valgrind
doesn't support AVX512 instructions:
https://bugs.kde.org/show_bug.cgi?id=383010
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
When glibc is built with ISA level 3 or higher by default, the resulting
glibc binaries won't run on SSE or FMA4 processors. Exclude SSE, AVX and
FMA4 variants in libm multiarch when ISA level 3 or higher is enabled by
default.
When glibc is built with ISA level 2 enabled by default, only keep SSE4.1
variant.
Fixes BZ 31335.
NB: elf/tst-valgrind-smoke test fails with ISA level 4, because valgrind
doesn't support AVX512 instructions:
https://bugs.kde.org/show_bug.cgi?id=383010
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
62 files changed: