[Bug bootstrap/53710] [4.8 Regression] Bootstrap failure

[hjl.tools at gmail dot com]

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.