[Bug target/53907] gcc uses unaligned load when aligned load was requested

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53907

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-13 13:01:13 UTC ---
Author: rguenth
Date: Fri Jul 13 13:01:06 2012
New Revision: 189462

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189462
Log:
2012-07-13  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/53907
    * tree-ssa-forwprop.c (associate_pointerplus): New function.
    (ssa_forward_propagate_and_combine): Call it.

    * gcc.target/i386/pr53907.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr53907.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c