https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46176
Andi Kleen changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46176
--- Comment #3 from Andi Kleen 2010-10-26
10:28:34 UTC ---
Interesting tidbit: the file containing r600_kms_blit_copy -- which grew most
--
didn't get any profile feedback during training, there was no data file.
I generated lists and cgraph ipa
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46176
--- Comment #2 from Andi Kleen 2010-10-26
08:01:01 UTC ---
Thanks.
Unrolling seems to be part of it, but not all. I rebuilt/retrained with
-fno-unroll-loops
Trained:
textdata bss dec hex filename
127744891198572 13576
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46176
--- Comment #1 from Andrew Pinski 2010-10-25
22:57:50 UTC ---
I think this is unrolling. -fprofile-generate/-fprofile-use turns on
unrolling.