r218302 - in /trunk/gcc: ChangeLog combine.c te...

Wed Dec 3 06:00:00 GMT 2014

Author: segher
Date: Wed Dec  3 06:00:54 2014
New Revision: 218302

URL: https://gcc.gnu.org/viewcvs?rev=218302&root=gcc&view=rev
Log:
	PR rtl-optimization/52714
	* combine.c (try_combine): Allow combining two insns into two
	new insns if at least one of those is a noop.

gcc/testsuite/
	* gcc.target/m68k/pr52714.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.target/m68k/pr52714.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog