r268646 - in /branches/gcc-8-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Feb  7 14:55:04 2019
New Revision: 268646

URL: https://gcc.gnu.org/viewcvs?rev=268646&root=gcc&view=rev
Log:
	Backported from mainline
	2019-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89195
	* combine.c (make_extraction): For MEMs, don't extract bytes outside
	of the original MEM.

	* gcc.c-torture/execute/pr89195.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.c-torture/execute/pr89195.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/combine.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog