r257012 - in /trunk/gcc: ChangeLog graphite-isl...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jan 24 09:31:56 2018
New Revision: 257012

URL: https://gcc.gnu.org/viewcvs?rev=257012&root=gcc&view=rev
Log:
2018-01-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82819
	* graphite-isl-ast-to-gimple.c (binary_op_to_tree): Avoid
	code generating pluses that are no-ops in the target precision.

	* gcc.dg/graphite/pr82819.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr82819.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-isl-ast-to-gimple.c
    trunk/gcc/testsuite/ChangeLog