On Tue, 2010-09-07 at 22:23 -0700, Tom Stellard wrote: > Hi, > > I have just pushed a branching adding support for presubtract sources to > my personal repo. The branch contains peephole optimizations for all the > presubtract operations except for 1 - 2 * src0. I've tested this branch > on an RV370 and an RV515 and both match the piglit results from master. > > The branch name is presub-rebase-v2 and you can check it out from here: > git://anongit.freedesktop.org/~tstellar/mesa > > The changes in the branch touch almost every part of the compiler, so > I'll wait a few days to push this to give people a chance to comment. > I haven't done a lot of performance testing on this branch yet, so I'm > not sure what the performance impact will be. I'm hoping at the very > least this will help fix some of the "too many instructions" bugs.
This seems to have regressed the game Shadowgrounds, I'm mostly just getting a black screen. (It's working on master). Should be reproducable with the demo: http://demofiles.linuxgamepublishing.com/shadowgrounds/ -- Cheers, Sven Arvidsson http://www.whiz.se PGP Key ID 760BDD22
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