r183796 - in /trunk/gcc: ChangeLog combine.c te...

[gjl@gcc.gnu.org]

Author: gjl
Date: Wed Feb  1 11:35:34 2012
New Revision: 183796

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183796
Log:
gcc/
	PR rtl-optimization/51374
	* combine.c (can_combine_p): Don't allow volatile_refs_p insns
	to cross other volatile_refs_p insns.

gcc/testsuite/
	PR rtl-optimization/51374
	* testsuite/gcc.target/avr/torture/pr51374-1.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/avr/torture/pr51374-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog