[Bug target/19672] Performance regression in simple loop code

2005-04-07 Thread pinskia at gcc dot gnu dot org
-- What|Removed |Added Target Milestone|3.4.4 |--- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19672

[Bug target/19672] Performance regression in simple loop code

2005-01-31 Thread stephan dot bergmann at sun dot com
--- Additional Comments From stephan dot bergmann at sun dot com 2005-01-31 09:09 --- "I think you can get all the speed back by supplying -mbranch-cost=1 but I could be wrong." No, adding -mbranch-cost=1 leads to only a very minor performance improvement. "Can you give the output of "

[Bug target/19672] Performance regression in simple loop code

2005-01-29 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-30 06:39 --- Hmm, this looks like a branch cost problem or related to that. I think you can get all the speed back by supplying -mbranch-cost=1 but I could be wrong. Hmm, I wonder if 3.2.x was compiled for i486 (or i3