=====

      * config/i386/driver-i386.c (host_detect_local_cpu): Reset
      has_fma4 for AMD processors with both fma3 and fma4 support.

Index: config/i386/driver-i386.c
===================================================================
--- config/i386/driver-i386.c   (revision 186897)
+++ config/i386/driver-i386.c   (working copy)
@@ -472,6 +472,8 @@
       has_abm = ecx & bit_ABM;
       has_lwp = ecx & bit_LWP;
       has_fma4 = ecx & bit_FMA4;
+      if (vendor == SIG_AMD && has_fma4 && has_fma)
+       has_fma4 = 0;
       has_xop = ecx & bit_XOP;
       has_tbm = ecx & bit_TBM;
       has_lzcnt = ecx & bit_LZCNT;