I think these patches create functionality which Kenneth, Eric and Matt talk about in this discussion: http://lists.freedesktop.org/archives/mesa-dev/2014-February/054991.html
I ran piglit quick set with these changes on Ironlake and Ivybridge and I did not see any regression. If this seems ok I can take a look what's with MAD also since I now added MAC /Juha-Pekka Juha-Pekka Heikkila (2): i965: Add accumulator flag support and MAC opcode to use it i965: Change vec4_visitor::emit_lrp to use MAC for gen < 6 src/mesa/drivers/dri/i965/brw_eu.h | 1 + src/mesa/drivers/dri/i965/brw_vec4.cpp | 10 ++---- src/mesa/drivers/dri/i965/brw_vec4.h | 1 + src/mesa/drivers/dri/i965/brw_vec4_generator.cpp | 12 +++---- src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 46 ++++++++++++------------ 5 files changed, 33 insertions(+), 37 deletions(-) -- 1.8.1.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
