r220204 - in /trunk/gcc: ChangeLog testsuite/Ch...

[ienkovich@gcc.gnu.org]

Author: ienkovich
Date: Wed Jan 28 11:41:40 2015
New Revision: 220204

URL: https://gcc.gnu.org/viewcvs?rev=220204&root=gcc&view=rev
Log:
gcc/

	PR tree-optimization/64277
	* tree-ssa-loop-niter.c (record_nonwrapping_iv): Use base
	range info when possible to refine estimation.

gcc/testsuite/

	PR tree-optimization/64277
	* gcc.dg/pr64277.c: New.


Added:
    trunk/gcc/testsuite/gcc.dg/pr64277.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c