r175528 - in /trunk/gcc: ChangeLog testsuite/Ch...

[ktietz@gcc.gnu.org]

Author: ktietz
Date: Mon Jun 27 13:44:52 2011
New Revision: 175528

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175528
Log:
2011-06-27  Kai Tietz  <ktietz@redhat.com>

        * tree-ssa-math-opts.c (do_shift_rotate): Zero bits
        out of type precision after operation.
        (find_bswap): Take for limit value the integer auto-
        promotion into account.

ChangeLog

2011-06-27  Kai Tietz  <ktietz@redhat.com>

        * gcc.dg/optimize-bswapdi-2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/optimize-bswapdi-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-math-opts.c