[Bug tree-optimization/33244] Missed opportunities for vectorization due to PRE

2010-09-08 Thread matz at gcc dot gnu dot org
--- Comment #3 from matz at gcc dot gnu dot org 2010-09-08 12:35 --- Subject: Bug 33244 Author: matz Date: Wed Sep 8 12:34:52 2010 New Revision: 163998 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=163998 Log: PR tree-optimization/33244 * tree-ssa-sink.c

[Bug tree-optimization/33244] Missed opportunities for vectorization due to PRE

2010-09-07 Thread matz at gcc dot gnu dot org
--- Comment #2 from matz at gcc dot gnu dot org 2010-09-07 14:41 --- Since the fix for PR44710 we can if-convert the conditions in the inner loop. With http://gcc.gnu.org/ml/gcc-patches/2010-09/msg00542.html we also make sure that the latch block isn't filled, which in turn then

[Bug tree-optimization/33244] Missed opportunities for vectorization due to PRE

2007-08-30 Thread dberlin at dberlin dot org
--- Comment #1 from dberlin at gcc dot gnu dot org 2007-08-30 15:24 --- Subject: Re: New: Missed opportunities for vectorization due to PRE On 30 Aug 2007 02:55:17 -, spop at gcc dot gnu dot org [EMAIL PROTECTED] wrote: The following loop showing up in the top time users in