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| author | Ondřej Hošek <ondra.hosek@gmail.com> | 2020-08-26 04:26:50 +0200 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-09-02 05:07:37 -0700 |
| commit | 23af890b3f04e80da783ba64e6b6d94822e01d54 (patch) | |
| tree | 2993e2e50209282a48b9a687b85a64124555a2d8 /sysdeps/x86_64 | |
| parent | 323592fdc92a0021319419f210a6052542856654 (diff) | |
| download | glibc-23af890b3f04e80da783ba64e6b6d94822e01d54.tar.gz glibc-23af890b3f04e80da783ba64e6b6d94822e01d54.tar.xz glibc-23af890b3f04e80da783ba64e6b6d94822e01d54.zip | |
x86-64: Fix FMA4 detection in ifunc [BZ #26534]
A typo in commit 107e6a3c2212ba7a3a4ec7cae8d82d73f7c95d0b causes the FMA4 code path to be taken on systems that support FMA, even if they do not support FMA4. Fix this to detect FMA4.
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h index 7659758972..e5fd5ac9cb 100644 --- a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h +++ b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h @@ -32,7 +32,7 @@ IFUNC_SELECTOR (void) && CPU_FEATURE_USABLE_P (cpu_features, AVX2)) return OPTIMIZE (fma); - if (CPU_FEATURE_USABLE_P (cpu_features, FMA)) + if (CPU_FEATURE_USABLE_P (cpu_features, FMA4)) return OPTIMIZE (fma4); return OPTIMIZE (sse2); |