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(parent: fde3100) | patch
i965/fs: Calculate delta_x and delta_y together.
authorMatt Turner <mattst88@gmail.com>
Tue, 7 Apr 2015 00:44:40 +0000 (17:44 -0700)
committerMatt Turner <mattst88@gmail.com>
Tue, 21 Apr 2015 16:24:48 +0000 (09:24 -0700)
commit5af0604d528733af9113a6f8711c39796ce0ae40
treeed1f61dc3c1a6d4a51b53e04c37426e60df9c077tree
parentfde3100fe65a175f034c77e7989601839c9983bbcommit | diff
i965/fs: Calculate delta_x and delta_y together.

This lets SIMD16 programs on G45 and Gen5 use the PLN instruction.

On Ironlake:

total instructions in shared programs: 5634757 -> 5518055 (-2.07%)
instructions in affected programs:     1745837 -> 1629135 (-6.68%)
helped:                                11439
HURT:                                  4

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
src/mesa/drivers/dri/i965/brw_fs.cpp diff | blob | history
src/mesa/drivers/dri/i965/brw_fs.h diff | blob | history
src/mesa/drivers/dri/i965/brw_fs_generator.cpp diff | blob | history
src/mesa/drivers/dri/i965/brw_fs_nir.cpp diff | blob | history
src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp diff | blob | history
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp diff | blob | history
src/mesa/drivers/dri/i965/brw_reg.h diff | blob | history