http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53710
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-17 20:01:29 UTC --- (In reply to comment #2) > Are you sure about the revision? > > Probably dup of PR53706. They could be related since bootstrap passes when I turn off FMA on i386: diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c index 94f3819..a1fa2b7 100644 --- a/gcc/config/i386/driver-i386.c +++ b/gcc/config/i386/driver-i386.c @@ -445,7 +445,9 @@ const char *host_detect_local_cpu (int argc, const char **argv) has_popcnt = ecx & bit_POPCNT; has_aes = ecx & bit_AES; has_pclmul = ecx & bit_PCLMUL; +#if 0 has_fma = ecx & bit_FMA; +#endif has_f16c = ecx & bit_F16C; has_rdrnd = ecx & bit_RDRND; and IA64 has FMA.
