http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #6 from William J. Schmidt wschmidt at gcc dot gnu.org 2012-03-02
14:52:09 UTC ---
Author: wschmidt
Date: Fri Mar 2 14:51:58 2012
New Revision: 184787
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=184787
Log:
2012-03-02 Bill
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #5 from William J. Schmidt wschmidt at gcc dot gnu.org 2012-02-14
19:40:22 UTC ---
Author: wschmidt
Date: Tue Feb 14 19:40:13 2012
New Revision: 184225
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=184225
Log:
2012-02-14 Bill
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #3 from William J. Schmidt wschmidt at gcc dot gnu.org 2012-02-06
21:39:38 UTC ---
Author: wschmidt
Date: Mon Feb 6 21:39:34 2012
New Revision: 183944
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=183944
Log:
2012-02-06 Bill
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
William J. Schmidt wschmidt at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #2 from Richard Guenther rguenth at gcc dot gnu.org 2011-11-03
08:19:01 UTC ---
Yes, sounds like a cost model issue.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50969
--- Comment #1 from Pat Haugen pthaugen at gcc dot gnu.org 2011-11-02
21:38:28 UTC ---
I swapped the numbers, should be:
-m64 -O3 -mcpu=power7
zaxpy : -79%
zscal : -24%
-m64 -O3 -mcpu=power7 -funroll-loops
zaxpy : -61%
zscal : -65%
