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From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/66721] New: [6 regression] gcc.target/i386/pr61403.c FAILs
Date: Wed, 01 Jul 2015 14:14:00 -0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66721

            Bug ID: 66721
           Summary: [6 regression] gcc.target/i386/pr61403.c FAILs
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---
              Host: i386-pc-solaris2.1[01], x86_64-unknown-linux-gnu
            Target: i386-pc-solaris2.1[01], x86_64-unknown-linux-gnu
             Build: i386-pc-solaris2.1[01], x86_64-unknown-linux-gnu

For some time, gcc.target/i386/pr61403.c FAILs on Linux/x86 and Solaris/x86
(32-bit only):

FAIL: gcc.target/i386/pr61403.c scan-assembler blend

A reghunt identified the following patch as the culprit:

2015-06-08  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): Compute the pointer
        adjustment for gaps at the end of a SLP load group properly.
        * tree-vect-slp.c (vect_supported_load_permutation_p): Allow
        all permutations we can generate.
        (vect_transform_slp_perm_load): Use the correct group-size.

  Rainer