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Subject: [Bug math/14649] New: Missing FMA multi-arch optimization
Date: Mon, 01 Oct 2012 12:40:00 -0000
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http://sourceware.org/bugzilla/show_bug.cgi?id=14649

             Bug #: 14649
           Summary: Missing FMA multi-arch optimization
           Product: glibc
           Version: 2.17
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hjl.tools@gmail.com
    Classification: Unclassified


sysdeps/x86_64/fpu/multiarch/Makefile has

ifeq ($(have-mfma4),yes)
libm-sysdep_routines += e_exp-fma4 e_log-fma4 e_pow-fma4 s_atan-fma4 \
            e_asin-fma4 e_atan2-fma4 s_sin-fma4 s_tan-fma4 \
            mplog-fma4 mpa-fma4 slowexp-fma4 slowpow-fma4 \
            sincos32-fma4 doasin-fma4 dosincos-fma4 \
            halfulp-fma4 mpexp-fma4 \
            mpatan2-fma4 mpatan-fma4 mpsqrt-fma4 mptan-fma4

But there is no FMA version.

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