https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Bug 60042 depends on bug 23855, which changed state.
Bug 23855 Summary: loop header should also be pulled out of the inner loop too
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23855
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Richard Biener changed:
What|Removed |Added
CC||amker.cheng at gmail dot com
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #10 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Mon Apr 14 13:57:00 2014
New Revision: 209374
URL: http://gcc.gnu.org/viewcvs?rev=209374root=gccview=rev
Log:
2014-04-14 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Depends on||23855
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #9 from Richard Biener rguenth at gcc dot gnu.org ---
PR23855 fixed we'd get for the analysis of the remaining DRs in the outermost
loop
for example for matrix A:
Creating dr for *_290
analyze_innermost: success.
base_address:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #3 from Richard Biener rguenth at gcc dot gnu.org ---
Bah, and with -fipa-pta -Ofast -fwhole-program we now _do_ see that there
isn't any aliasing but PRE messes up the loop and creates loop carried
dependencies ... :/
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #4 from Richard Biener rguenth at gcc dot gnu.org ---
(In reply to Richard Biener from comment #3)
Bah, and with -fipa-pta -Ofast -fwhole-program we now _do_ see that there
isn't any aliasing but PRE messes up the loop and creates
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Attachment #32038|0 |1
is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #1 from Richard Biener rguenth at gcc dot gnu.org ---
Created attachment 32027
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=32027action=edit
patch to prune deps to scalar globals
My patch to prune dependences to scalar global
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60042
--- Comment #2 from Richard Biener rguenth at gcc dot gnu.org ---
With some more dumping I seee
himenobmtxpa.c:296:9: note: === vect_prune_runtime_alias_test_list ===
himenobmtxpa.c:296:9: note: merging ranges for *_205, *_324 and *_49, *_324
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