i965/fs: Use the builder directly for the gen6 interpolation add(32)

Now that we can create builders with a bigger width than their parent as
long as it's exec_all, we don't need to create the instruction manually.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 79ebb2d301937ab84f33e6d3e0d5a7024e06216f..94d6a584424211a3270aecb7e5ef23c8ed44e7e9 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -1358,12 +1358,11 @@ fs_visitor::emit_interpolation_setup_gen6()
        */
       fs_reg int_pixel_xy(GRF, alloc.allocate(dispatch_width / 8),
                           BRW_REGISTER_TYPE_UW);
-      fs_inst *add =
-         new (mem_ctx) fs_inst(BRW_OPCODE_ADD, dispatch_width * 2,
-                               int_pixel_xy,
-                               fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
-                               fs_reg(brw_imm_v(0x11001010)));
-      abld.exec_all().emit(add);
+
+      const fs_builder dbld = abld.exec_all().group(dispatch_width * 2, 0);
+      dbld.ADD(int_pixel_xy,
+               fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
+               fs_reg(brw_imm_v(0x11001010)));
 
       this->pixel_x = vgrf(glsl_type::float_type);
       this->pixel_y = vgrf(glsl_type::float_type);