r219614 - in /branches/gcc-4_9-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Jan 14 20:24:05 2015
New Revision: 219614

URL: https://gcc.gnu.org/viewcvs?rev=219614&root=gcc&view=rev
Log:
	Backported from mainline
	2015-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/64286
	* ree.c (combine_reaching_defs): Move part of comment earlier,
	remove !SCALAR_INT_MODE_P check.
	(add_removable_extension): Don't add vector mode
	extensions if all uses of the source register aren't the same
	vector extensions.

	* gcc.target/i386/avx2-pr64286.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.target/i386/avx2-pr64286.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/ree.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog