r219729 - in /trunk/gcc: ChangeLog simplify-rtx...

[mpf@gcc.gnu.org]

Author: mpf
Date: Fri Jan 16 12:31:01 2015
New Revision: 219729

URL: https://gcc.gnu.org/viewcvs?rev=219729&root=gcc&view=rev
Log:
Account for high/lo_sum simplification with displacements

gcc/
	* simplify-rtx.c (simplify_replace_fn_rtx): Simplify (lo_sum
	(high x) y) to y if x and y have the same base.

gcc/testsuite/
	* gcc.c-torture/compile/20150108.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/20150108.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog