r266147 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Nov 14 14:33:44 2018
New Revision: 266147

URL: https://gcc.gnu.org/viewcvs?rev=266147&root=gcc&view=rev
Log:
2018-11-14  Richard Biener  <rguenther@suse.de>

	PR middle-end/87985
	* tree-data-ref.c (split_constant_offset): Add wrapper
	allocating a cache hash-map.
	(split_constant_offset_1): Cache results of expanding
	expressions from SSA def stmts.

	* gcc.dg/pr87985.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87985.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-data-ref.c