r255945 - in /trunk/gcc: ChangeLog combine.c

[jgreenhalgh@gcc.gnu.org]

Author: jgreenhalgh
Date: Thu Dec 21 16:32:25 2017
New Revision: 255945

URL: https://gcc.gnu.org/viewcvs?rev=255945&root=gcc&view=rev
Log:
[Patch combine] Don't create ZERO_EXTEND from subregs unless we have a scalar int mode

gcc/

	* combine.c (simplify_set): Do not transform subregs to zero_extends
	if the destination is not a scalar int mode.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c