--- Comment #6 from victork at gcc dot gnu dot org 2008-08-05 08:16 ---
Hm, following testcase doesn't vectorize due to vect cost model
(-O2 -msse3 -ftree-vectorize -ffast-math) on i686 target:
The problem is that we count some costs twice - as being vectorized by SLP and
non-SLP.
--- Comment #5 from ubizjak at gmail dot com 2008-08-04 11:43 ---
Hm, following testcase doesn't vectorize due to vect cost model
(-O2 -msse3 -ftree-vectorize -ffast-math) on i686 target:
--cut here--
void testf(void)
{
int i;
for (i = 0; i 16; i++)
cf[i] = af[i] + bf[i];
}
--- Comment #4 from rguenth at gcc dot gnu dot org 2008-08-02 12:06 ---
Subject: Bug 35252
Author: rguenth
Date: Sat Aug 2 12:05:47 2008
New Revision: 138553
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=138553
Log:
2008-08-02 Richard Guenther [EMAIL PROTECTED]
PR
--- Comment #3 from victork at gcc dot gnu dot org 2008-07-29 21:54 ---
Revision 138198 fixes vectorization of addition of complex numbers, while
vectorization complex multiplication works on PowerPC and on x86 is a known
issue
- see pr30211.
I'm closing this bugzilla as duplicate of
--- Comment #2 from victork at gcc dot gnu dot org 2008-07-27 21:45 ---
Subject: Bug 35252
Author: victork
Date: Sun Jul 27 21:44:25 2008
New Revision: 138198
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=138198
Log:
2008-07-27 Victor Kaplansky [EMAIL PROTECTED]
PR
--- Comment #1 from victork at gcc dot gnu dot org 2008-03-12 06:05 ---
We don't recognize REALPART_EXPR and IMAGPART_EXPR in vectorizer.
These should be recognized as load operations:
CR.39_21 = REALPART_EXPR ad[i_17];
CI.40_22 = IMAGPART_EXPR ad[i_17];
CR.41_23 = REALPART_EXPR
