[Bug tree-optimization/62075] [4.8 Regression] Vectorizer ICE on dolphin

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62075

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Sep  9 13:17:51 2014
New Revision: 215073

URL: https://gcc.gnu.org/viewcvs?rev=215073&root=gcc&view=rev
Log:
2014-09-09  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2014-05-05  Richard Biener  <rguenther@suse.de>

    PR middle-end/61010
    * fold-const.c (fold_binary_loc): Consistently avoid
    canonicalizing X & CST away from a CST that is the mask
    of a mode.

    * gcc.dg/torture/pr61010.c: New testcase.

    2014-05-28  Richard Biener  <rguenther@suse.de>

    PR middle-end/61045
    * fold-const.c (fold_comparison): When folding
    X +- C1 CMP Y +- C2 to X CMP Y +- C2 +- C1 also ensure
    the sign of the remaining constant operand stays the same.

    * gcc.dg/pr61045.c: New testcase.

    2014-08-11  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/62075
    * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Properly
    handle uses in patterns.

    * gcc.dg/vect/pr62075.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr61045.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr61010.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr62075.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/fold-const.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-vect-slp.c