commit 23af890b3f04e80da783ba64e6b6d94822e01d54

Author: Ondřej Hošek <ondra.hosek@gmail.com>

Date:   Wed Aug 26 04:26:50 2020 +0200

    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.

diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h b/sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h

index 76c677198dac5cb0..6cb70ce25209ee15 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);