On Thu, Jul 22, 2010 at 9:29 AM, Maxim Kuvyrkov ma...@codesourcery.com wrote:
index 89743c3..047b717 100644
--- a/gcc/sched-rgn.c
+++ b/gcc/sched-rgn.c
@@ -2935,6 +2935,9 @@ schedule_region (int rgn)
if (sched_is_disabled_for_current_region_p ())
return;
+ gcc_assert
On 7/22/10 3:34 AM, Steven Bosscher wrote:
On Wed, Jul 21, 2010 at 10:09 PM, Maxim Kuvyrkovma...@codesourcery.com wrote:
Cselib can /always/ be used during second scheduling pass
Except with the selective scheduler when it works on regions that are
not extended basic blocks, I suppose?
On 07/21/2010 03:06 PM, Steven Bosscher wrote:
It looks like ~9% extra !true_dependence cases are found with cselib,
with is not insignificant:
situationcalls depends ratio
with_cselib 186764 70463 0.377284
asis 186764 76375 0.408939 (i.e. no cselib)
On the other
On 07/21/2010 03:06 PM, Steven Bosscher wrote:
3. GCC now has better alias analysis than it used to, especially with
the alias-exporting stuff that exports the GIMPLE points-to analysis
results, but also just all the other little things that were
contributed over the last 10 years (little
On Wed, Jul 21, 2010 at 4:44 PM, Bernd Schmidt ber...@codesourcery.com wrote:
On 07/21/2010 03:06 PM, Steven Bosscher wrote:
3. GCC now has better alias analysis than it used to, especially with
the alias-exporting stuff that exports the GIMPLE points-to analysis
results, but also just all the
On Wed, Jul 21, 2010 at 04:57:10PM +0200, Steven Bosscher wrote:
On Wed, Jul 21, 2010 at 4:44 PM, Bernd Schmidt ber...@codesourcery.com
wrote:
On 07/21/2010 03:06 PM, Steven Bosscher wrote:
3. GCC now has better alias analysis than it used to, especially with
the alias-exporting stuff
On Wed, Jul 21, 2010 at 5:14 PM, Jakub Jelinek ja...@redhat.com wrote:
If that can't be improved, I think that rather than remove cselib from
the scheduler, the question should be: if it's useful, why don't we use
it for other schedulers rather than only sched-ebb?
Well, for one thing: It
On 7/21/10 6:44 PM, Bernd Schmidt wrote:
On 07/21/2010 03:06 PM, Steven Bosscher wrote:
3. GCC now has better alias analysis than it used to, especially with
the alias-exporting stuff that exports the GIMPLE points-to analysis
results, but also just all the other little things that were
On Wed, Jul 21, 2010 at 10:09 PM, Maxim Kuvyrkov ma...@codesourcery.com wrote:
Cselib can /always/ be used during second scheduling pass
Except with the selective scheduler when it works on regions that are
not extended basic blocks, I suppose?
and on
single-block regions during the first
