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| author | Raghuveer Devulapalli <raghuveer.devulapalli@intel.com> | 2022-02-28 10:37:11 -0800 |
|---|---|---|
| committer | Raghuveer Devulapalli <raghuveer.devulapalli@intel.com> | 2022-02-28 10:37:11 -0800 |
| commit | b3eed1459ccd97255e9868d43b4a8d937a5f9d4c (patch) | |
| tree | 13a0563405b7f66db55d550f21443499f0496478 /numpy/distutils | |
| parent | 650f1b14fc2d298b4ca5ecd6d22d9c7cfa02eb70 (diff) | |
| download | numpy-b3eed1459ccd97255e9868d43b4a8d937a5f9d4c.tar.gz | |
BUILD: Disable MMX registers when building with -mavx512f
Work around for a bug in gcc compiler. When using several kmask
variables __mmask16/__mmask8, the compiler sometimes uses %mmx registers
to save them on to the stack which corrupts the x87 stack.
Diffstat (limited to 'numpy/distutils')
| -rw-r--r-- | numpy/distutils/ccompiler_opt.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/distutils/ccompiler_opt.py b/numpy/distutils/ccompiler_opt.py index d0c40a7b2..97396cbe0 100644 --- a/numpy/distutils/ccompiler_opt.py +++ b/numpy/distutils/ccompiler_opt.py @@ -346,7 +346,7 @@ class _Config: FMA4 = dict(flags="-mfma4"), FMA3 = dict(flags="-mfma"), AVX2 = dict(flags="-mavx2"), - AVX512F = dict(flags="-mavx512f"), + AVX512F = dict(flags="-mavx512f -mno-mmx"), AVX512CD = dict(flags="-mavx512cd"), AVX512_KNL = dict(flags="-mavx512er -mavx512pf"), AVX512_KNM = dict( |