[Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346

--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-18 13:10:11 UTC ---
Author: rguenth
Date: Fri May 18 13:10:01 2012
New Revision: 187655

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187655
Log:
2012-05-18  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/53346
    * tree-loop-distribution.c (ldist_gen): Make sure to apply
    builtin transform even when only a single partition with
    all reads/writes exists.

    * gcc.dg/tree-ssa/ldist-18.c: New testcase.
    * gcc.target/i386/incoming-10.c: Adjust.
    * gcc.target/i386/incoming-11.c: Likewise.
    * gcc.target/i386/pr46295.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-18.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/incoming-10.c
    trunk/gcc/testsuite/gcc.target/i386/incoming-11.c
    trunk/gcc/testsuite/gcc.target/i386/pr46295.c
    trunk/gcc/tree-loop-distribution.c