i965/vec4: Define helpers to calculate the common live interval of a range of variables.
authorFrancisco Jerez <currojerez@riseup.net>
Wed, 18 Mar 2015 18:49:43 +0000 (20:49 +0200)
committerFrancisco Jerez <currojerez@riseup.net>
Mon, 23 Mar 2015 12:52:49 +0000 (14:52 +0200)
commite6e655ef76bb22193b31af2841cb50fda0c39461
treefc4e0ffd090942398d4689fc6358825d30f6cea4
parenteddb87402ea7ce68357a3d93b0dbb41857be27f6
i965/vec4: Define helpers to calculate the common live interval of a range of variables.

These will be especially useful when we start keeping track of
liveness information for each subregister.

Reviewed-by: Matt Turner <mattst88@gmail.com>
src/mesa/drivers/dri/i965/brw_vec4.cpp
src/mesa/drivers/dri/i965/brw_vec4.h
src/mesa/drivers/dri/i965/brw_vec4_cse.cpp
src/mesa/drivers/dri/i965/brw_vec4_live_variables.cpp