https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #10 from vries at gcc dot gnu.org ---
Author: vries
Date: Fri Oct 17 06:36:45 2014
New Revision: 216365
URL: https://gcc.gnu.org/viewcvs?rev=216365root=gccview=rev
Log:
Use fuse-caller-save info in cprop-hardreg
2014-10-17 Tom de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #9 from vries at gcc dot gnu.org ---
Author: vries
Date: Fri Oct 17 06:36:35 2014
New Revision: 216364
URL: https://gcc.gnu.org/viewcvs?rev=216364root=gccview=rev
Log:
Handle copy cycles in pass_cprop_hardreg
2014-10-17 Tom de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
vries at gcc dot gnu.org changed:
What|Removed |Added
Keywords||missed-optimization
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
vries at gcc dot gnu.org changed:
What|Removed |Added
Keywords||patch
--- Comment #8 from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #6 from vries at gcc dot gnu.org ---
Created attachment 33618
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=33618action=edit
[1/2] Use fuse-caller-save-info in cprop-hardreg
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #7 from vries at gcc dot gnu.org ---
Created attachment 33619
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=33619action=edit
[2/2] Don't regard a copy with identical src and dest as killing dest
This patch adds handling of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
vries at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
vries at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #5 from vries at gcc dot gnu.org ---
Created attachment 33610
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=33610action=edit
proof-of-concept patch
Using this proof-of-concept patch, we manage to get the desired code. The patch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
Andi Kleen andi-gcc at firstfloor dot org changed:
What|Removed |Added
CC||andi-gcc at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Target||x86_64-*-*
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61605
--- Comment #3 from Andi Kleen andi-gcc at firstfloor dot org ---
It was supposed to be enabled with
Date: Fri May 30 11:39:49 2014 +
-fuse-caller-save - Enable for i386
2014-05-30 Tom de Vries t...@codesourcery.com
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