r249686 - in /trunk/gcc: ChangeLog match.pd tes...

[glisse@gcc.gnu.org]

Author: glisse
Date: Tue Jun 27 09:42:38 2017
New Revision: 249686

URL: https://gcc.gnu.org/viewcvs?rev=249686&root=gcc&view=rev
Log:
Simple reassoc transforms in match.pd

2017-06-27  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.

gcc/testsuite/
	* gcc.dg/tree-ssa/assoc-1.c: New file.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/assoc-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog