r275132 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Aug 30 12:19:33 2019
New Revision: 275132

URL: https://gcc.gnu.org/viewcvs?rev=275132&root=gcc&view=rev
Log:
	Backported from mainline
	2019-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/89679
	* expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
	would contain a paradoxical SUBREG.

	* gcc.dg/pr89679.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr89679.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/expmed.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog