r209631 - in /branches/gcc-4_9-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Apr 22 13:29:32 2014
New Revision: 209631

URL: http://gcc.gnu.org/viewcvs?rev=209631&root=gcc&view=rev
Log:
2014-04-22   Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2014-04-17   Richard Biener  <rguenther@suse.de>

	PR tree-optimization/60841
	* tree-vect-data-refs.c (vect_analyze_data_refs): Count stmts.
	* tree-vect-loop.c (vect_analyze_loop_2): Pass down number
	of stmts to SLP build.
	* tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
	(vect_analyze_slp): Likewise.
	(vect_analyze_slp_instance): Likewise.
	(vect_build_slp_tree): Limit overall SLP tree growth.
	* tree-vectorizer.h (vect_analyze_data_refs,
	vect_analyze_slp): Adjust prototypes.

	* gcc.dg/vect/pr60841.c: New testcase.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr60841.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/tree-vect-data-refs.c
    branches/gcc-4_9-branch/gcc/tree-vect-loop.c
    branches/gcc-4_9-branch/gcc/tree-vect-slp.c
    branches/gcc-4_9-branch/gcc/tree-vectorizer.h