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| author | Julian Taylor <jtaylor.debian@googlemail.com> | 2018-03-27 22:29:17 +0200 |
|---|---|---|
| committer | Julian Taylor <jtaylor.debian@googlemail.com> | 2018-03-29 18:40:28 +0200 |
| commit | cde5583abda2bd3da410058b2e1ea4108073b4d3 (patch) | |
| tree | c551fe1f09b314c79f6aceb5ff810b6eb03b0487 /numpy/core/setup_common.py | |
| parent | e4d678a2f5859d29a853d617e9e5bbd4b6241898 (diff) | |
| download | numpy-cde5583abda2bd3da410058b2e1ea4108073b4d3.tar.gz | |
BUG: verify the OS supports avx instruction
On some systems you can disable avx registers but the gcc builtin does
only checks if the cpu has the feature.
Before using avx functions check the OS support with xgetbv.
Closes gh-10787
Closes gh-9534
Diffstat (limited to 'numpy/core/setup_common.py')
| -rw-r--r-- | numpy/core/setup_common.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/numpy/core/setup_common.py b/numpy/core/setup_common.py index 1fe953910..f36d61f55 100644 --- a/numpy/core/setup_common.py +++ b/numpy/core/setup_common.py @@ -146,6 +146,7 @@ OPTIONAL_INTRINSICS = [("__builtin_isnan", '5.'), "stdio.h", "LINK_AVX"), ("__asm__ volatile", '"vpand %ymm1, %ymm2, %ymm3"', "stdio.h", "LINK_AVX2"), + ("__asm__ volatile", '"xgetbv"', "stdio.h", "XGETBV"), ] # function attributes |