r220377 - in /trunk/gcc: ChangeLog cse.c testsu...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Feb  3 20:41:38 2015
New Revision: 220377

URL: https://gcc.gnu.org/viewcvs?rev=220377&root=gcc&view=rev
Log:
	PR rtl-optimization/64756
	* cse.c (invalidate_dest): New function.
	(cse_insn): Use it.  If dest != SET_DEST (sets[i].rtl) and
	HASH (SET_DEST (sets[i].rtl), mode) computation sets do_not_record,
	invalidate and do not record it.

	* gcc.c-torture/execute/pr64756.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr64756.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c
    trunk/gcc/testsuite/ChangeLog