r180704 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Oct 31 16:52:19 2011
New Revision: 180704

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180704
Log:
	* tree-vect-stmts.c (vectorizable_shift): If op1 is vect_external_def
	in a loop and has different type from op0, cast it to op0's type
	before the loop first.  For slp give up.  Don't crash if op1_vectype
	is NULL.

	* gcc.dg/vshift-3.c: New test.
	* gcc.dg/vshift-4.c: New test.
	* gcc.dg/vshift-5.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vshift-3.c
    trunk/gcc/testsuite/gcc.dg/vshift-4.c
    trunk/gcc/testsuite/gcc.dg/vshift-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c