[Bug target/50788] [4.7 Regression] ICE: in merge_overlapping_regs, at regrename.c:318 with -mavx -fpeel-loops -fstack-protector-all and __builtin_ia32_maskloadpd256

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50788
--- Comment #11 from uros at gcc dot gnu.org 2011-10-23 15:15:02 UTC ---
Author: uros
Date: Sun Oct 23 15:14:58 2011
New Revision: 180337

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180337
Log:
    PR target/50788
    * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
    Remove (match_dup 0).

testuite/ChangeLog:

    PR target/50788
    * gcc.target/i386/pr50788.c: New test.


Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.target/i386/pr50788.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/config/i386/sse.md
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog