r191909 - in /trunk/gcc: ChangeLog simplify-rtx...

[glisse@gcc.gnu.org]

Author: glisse
Date: Mon Oct  1 09:53:26 2012
New Revision: 191909

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191909
Log:
2012-10-01  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* simplify-rtx.c (simplify_binary_operation_1) <VEC_SELECT>:
	Detect the identity.
	<VEC_CONCAT>: Handle VEC_SELECTs from the same vector.

gcc/testsuite/
	* gcc.target/i386/vect-rebuild.c: New testcase.


Added:
    trunk/gcc/testsuite/gcc.target/i386/vect-rebuild.c   (with props)
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog

Propchange: trunk/gcc/testsuite/gcc.target/i386/vect-rebuild.c
            ('svn:eol-style' added)

Propchange: trunk/gcc/testsuite/gcc.target/i386/vect-rebuild.c
            ('svn:keywords' added)