commit d421868bb85d1459b1d2df520bb26f3e11aa195a
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date:   Tue Mar 10 09:38:54 2015 -0400

    powerpc: Fix incorrect results for pow when using FMA
    
    This patch adds no FMA generation for e_pow to avoid precision issues
    for powerpc.  This fixes BZ#18104.

diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
index 35f545f..5557c75 100644
--- a/sysdeps/ieee754/dbl-64/Makefile
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -2,4 +2,5 @@ ifeq ($(subdir),math)
 # branred depends on precise IEEE double rounding
 CFLAGS-branred.c = $(config-cflags-nofma)
 CFLAGS-e_sqrt.c = $(config-cflags-nofma)
+CFLAGS-e_pow.c = $(config-cflags-nofma)
 endif