r236204 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri May 13 12:27:18 2016
New Revision: 236204

URL: https://gcc.gnu.org/viewcvs?rev=236204&root=gcc&view=rev
Log:
2016-05-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/42587
	* tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
	(find_bswap_or_nop_1): Likewise.
	(bswap_replace): Likewise.

	* gcc.dg/optimize-bswapsi-4.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/optimize-bswapsi-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-math-opts.c