[Bug middle-end/58742] pointer arithmetic simplification

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58742

--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan 29 14:45:44 2014
New Revision: 207239

URL: http://gcc.gnu.org/viewcvs?rev=207239&root=gcc&view=rev
Log:
2014-01-29  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/58742
    * tree-ssa-forwprop.c (associate_pointerplus): Rename to
    associate_pointerplus_align.
    (associate_pointerplus_diff): New function.
    (associate_pointerplus): Likewise.  Call associate_pointerplus_align
    and associate_pointerplus_diff.

    * gcc.dg/pr58742-1.c: New testcase.
    * gcc.dg/pr58742-2.c: Likewise.
    * gcc.dg/pr58742-3.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/pr58742-1.c
    trunk/gcc/testsuite/gcc.dg/pr58742-2.c
    trunk/gcc/testsuite/gcc.dg/pr58742-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c