[Bug target/47000] Major performance regression in parallel SSE2 impl of SHA256 hash algorithm

[jgarzik at pobox dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47000

--- Comment #9 from Jeff Garzik <jgarzik at pobox dot com> 2010-12-18 18:24:09 
UTC ---
(In reply to comment #2)
> What compiler options are you using?

Pretty basic:  -O3 -Wall -msse2 -g

Sometimes -O3 -Wall -g -march=native, on a quad core Intel box

Results are the same: performance regression.

Will try HJ's patch next...