On Tue, 22 Oct 2013, Jakub Jelinek wrote:
Hi!
If VRP tells us that oprnd is always = 0 or always 0, we can generate
better code for the divmode vectorization.
Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
Testcase...?
Ok with adding one (I suggest a x86 specific
On Wed, Oct 23, 2013 at 11:14:54AM +0200, Richard Biener wrote:
On Tue, 22 Oct 2013, Jakub Jelinek wrote:
Hi!
If VRP tells us that oprnd is always = 0 or always 0, we can generate
better code for the divmode vectorization.
Bootstrapped/regtested on x86_64-linux and i686-linux, ok
On Wed, 23 Oct 2013, Jakub Jelinek wrote:
On Wed, Oct 23, 2013 at 11:14:54AM +0200, Richard Biener wrote:
On Tue, 22 Oct 2013, Jakub Jelinek wrote:
Hi!
If VRP tells us that oprnd is always = 0 or always 0, we can generate
better code for the divmode vectorization.
Hi!
If VRP tells us that oprnd is always = 0 or always 0, we can generate
better code for the divmode vectorization.
Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
2013-10-22 Jakub Jelinek ja...@redhat.com
* tree-vect-patterns.c (vect_recog_divmod_pattern):