r261967 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 22 21:29:24 2018
New Revision: 261967

URL: https://gcc.gnu.org/viewcvs?rev=261967&root=gcc&view=rev
Log:
	Backported from mainline
	2018-06-14  Jakub Jelinek  <jakub@redhat.com>

	PR target/85945
	* lower-subreg.c (find_decomposable_subregs): Don't decompose float
	subregs of multi-word pseudos unless the float mode has word size.

	* gcc.c-torture/compile/pr85945.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/compile/pr85945.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/lower-subreg.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog