[Bug tree-optimization/58137] [trunk, ICE] full unroll + AVX2 vectorization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58137

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Dec  6 12:39:32 2013
New Revision: 205739

URL: http://gcc.gnu.org/viewcvs?rev=205739&root=gcc&view=rev
Log:
2013-12-06  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2013-11-27  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59288
    * tree-vect-loop.c (get_initial_def_for_induction): Do not
    re-analyze the PHI but use STMT_VINFO_LOOP_PHI_EVOLUTION_PART.

    * gcc.dg/torture/pr59288.c: New testcase.

    2013-11-19  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59164
    * tree-vect-loop.c (vect_analyze_loop_operations): Adjust
    check whether we can create an epilogue loop to reflect the
    cases where we create one.

    * gcc.dg/torture/pr59164.c: New testcase.

    2013-09-05  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/58137
    * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
    Do not create vectors of pointers.
    * tree-vect-loop.c (get_initial_def_for_induction): Use proper
    types for the components of the vector initializer.
    * tree-cfg.c (verify_gimple_assign_binary): Remove special-casing
    allowing pointer vectors with PLUS_EXPR/MINUS_EXPR.

    * gcc.target/i386/pr58137.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr59164.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr59288.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/pr58137.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-cfg.c
    branches/gcc-4_8-branch/gcc/tree-vect-loop.c
    branches/gcc-4_8-branch/gcc/tree-vect-stmts.c