r211651 - in /branches/gcc-4_9-branch/gcc: Chan...

[law@gcc.gnu.org]

Author: law
Date: Fri Jun 13 16:50:01 2014
New Revision: 211651

URL: https://gcc.gnu.org/viewcvs?rev=211651&root=gcc&view=rev
Log:
	PR rtl-optimization/61094
	* ree.c (combine_reaching_defs): Do not reextend an insn if it
	was marked as do_no_reextend.  If a copy is needed to eliminate
	an extension, then mark it as do_not_reextend.

	PR rtl-optimization/61094
	* g++.dg/pr61094: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/g++.dg/pr61094.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