[Bug tree-optimization/60454] [4.7/4.8 Regression] Code mistakenly detected as doing bswap

[jye2 at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60454

--- Comment #9 from jye2 at gcc dot gnu.org ---
Author: jye2
Date: Thu Mar 13 07:00:05 2014
New Revision: 208529

URL: http://gcc.gnu.org/viewcvs?rev=208529&root=gcc&view=rev
Log:
2014-03-13  Joey Ye  <joey.ye@arm.com>

        Backport from mainline
        2014-03-12  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/60454
        * tree-ssa-math-opts.c (find_bswap_1): Fix bswap detection.

testsuite:
        * gcc.c-torture/execute/pr60454.c: New test.



Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr60454.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-ssa-math-opts.c