r229822 - in /trunk/gcc: ChangeLog ifcvt.c test...

[jgreenhalgh@gcc.gnu.org]

Author: jgreenhalgh
Date: Thu Nov  5 18:11:12 2015
New Revision: 229822

URL: https://gcc.gnu.org/viewcvs?rev=229822&root=gcc&view=rev
Log:
[Patch ifcvt] Teach RTL ifcvt to handle multiple simple set instructions

gcc/

	* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): New.
	(noce_convert_multiple_sets): Likewise.
	(noce_process_if_block): Call them.

gcc/testsuite/

	* gcc.dg/ifcvt-4.c: New.


Added:
    trunk/gcc/testsuite/gcc.dg/ifcvt-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ifcvt.c
    trunk/gcc/testsuite/ChangeLog