r235852 - in /trunk/gcc: ChangeLog combine.c

Wed May 4 00:11:00 GMT 2016

Author: amodra
Date: Wed May  4 00:11:32 2016
New Revision: 235852

URL: https://gcc.gnu.org/viewcvs?rev=235852&root=gcc&view=rev
Log:
Combine simplify_set WORD_REGISTER_OPERATIONS

The comment says this test is supposed to prevent "a narrower
operation than requested", but it actually only allows a larger
subreg not one the same size.  Fix that.

	* combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.

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