r255267 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Nov 30 07:53:31 2017
New Revision: 255267

URL: https://gcc.gnu.org/viewcvs?rev=255267&root=gcc&view=rev
Log:
2017-11-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/83202
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add
	allow_peel argument and guard peeling.
	(canonicalize_loop_induction_variables): Likewise.
	(canonicalize_induction_variables): Pass false.
	(tree_unroll_loops_completely_1): Pass unroll_outer to disallow
	peeling from cunrolli.

	* gcc.dg/vect/pr83202-1.c: New testcase.
	* gcc.dg/tree-ssa/pr61743-1.c: Adjust.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr83202-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr61743-1.c
    trunk/gcc/tree-ssa-loop-ivcanon.c