http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46142
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-23 00:40:08 UTC --- I saw FAIL: gcc.target/i386/fma3-builtin-2.c (internal compiler error) FAIL: gcc.target/i386/fma3-builtin-2.c (test for excess errors) FAIL: gcc.target/i386/fma4-builtin-2.c (internal compiler error) FAIL: gcc.target/i386/fma4-builtin-2.c (test for excess errors) only 32bit gcc, not with 64bit gcc using -m32. It could be the 32bit HWI problem.