r236986 - in /trunk/gcc: ChangeLog loop-iv.c lo...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Wed Jun  1 12:01:17 2016
New Revision: 236986

URL: https://gcc.gnu.org/viewcvs?rev=236986&root=gcc&view=rev
Log:
	* loop-unroll.c (decide_unroll_constant_iterations,
	decide_unroll_runtime_iterations, decide_unroll_stupid): Use
	likely upper bounds.
	* loop-iv.c (find_simple_exit): Dump likely upper bounds.

	* gcc.dg/unroll-6.c: Update template.
	* gcc.dg/unroll-7.c: New testcase.
	* gcc.dg/unroll-8.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/unroll-7.c
    trunk/gcc/testsuite/gcc.dg/unroll-8.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-iv.c
    trunk/gcc/loop-unroll.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/unroll-6.c