[Mesa-dev] [PATCH 4/4] i965/vs/gen7: Allow MATH instructions to have MRF as a destination.

Matt Turner mattst88 at gmail.com
Tue Feb 19 19:43:33 PST 2013


total instructions in shared programs: 346873 -> 346847 (-0.01%)
instructions in affected programs:     364 -> 338 (-7.14%)

(All affected shaders are from Lightsmark)
---
 src/mesa/drivers/dri/i965/brw_vec4.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index d5b7cb7..6454f82 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -753,7 +753,7 @@ vec4_visitor::opt_register_coalesce()
                if (scan_inst->mlen)
                   break;
 
-               if (intel->gen >= 6) {
+               if (intel->gen < 7) {
                   /* gen6 math instructions must have the destination be
                    * GRF, so no compute-to-MRF for them.
                    */
-- 
1.7.8.6



More information about the mesa-dev mailing list