r211142 - in /trunk/gcc: ChangeLog ree.c testsu...

[law@gcc.gnu.org]

Author: law
Date: Mon Jun  2 19:12:08 2014
New Revision: 211142

URL: http://gcc.gnu.org/viewcvs?rev=211142&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:
    trunk/gcc/testsuite/g++.dg/pr61094.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ree.c
    trunk/gcc/testsuite/ChangeLog