[Bug tree-optimization/56608] [4.7 Regression] SLP seems to produce incorrect value with -ffast-math

["rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56608

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to work|                            |4.7.3
         Resolution|                            |FIXED
      Known to fail|4.7.3                       |4.7.2

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-26 10:16:08 UTC ---
Author: rguenth
Date: Tue Mar 26 10:12:52 2013
New Revision: 197096

URL: http://gcc.gnu.org/viewcvs?rev=197096&root=gcc&view=rev
Log:
2013-03-26  Richard Biener  <rguenther@suse.de>

        Backport from mainline
        2013-03-13  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/56608
    * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar
    calls when vectorizing basic-blocks.

    * gcc.dg/vect/fast-math-bb-slp-call-3.c: New testcase.

        2013-03-05  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/56270
    * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts
    of loads after scheduling an SLP instance.

    * gcc.dg/vect/slp-38.c: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/vect/fast-math-bb-slp-call-3.c
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/vect/slp-38.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-vect-slp.c