i965/vec4: make opt_vector_float ignore doubles

The pass does not support doubles in its current form.

Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index a013d38..229a310 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -393,6 +393,7 @@ vec4_visitor::opt_vector_float()
              inst->src[0].file == IMM &&
              inst->predicate == BRW_PREDICATE_NONE &&
              inst->dst.writemask != WRITEMASK_XYZW &&
+             type_sz(inst->src[0].type) < 8 &&
              (inst->src[0].type == inst->dst.type || inst->src[0].d == 0)) {
 
             vf = brw_float_to_vf(inst->src[0].d);