i965: set correct execsize for MOVS with a width of 4 in brw_find_live_channel

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 6852459..1f3b32e 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -3334,11 +3334,14 @@ brw_find_live_channel(struct brw_codegen *p, struct brw_reg dst)
          /* Overwrite the destination without and with execution masking to
           * find out which of the channels is active.
           */
+         brw_push_insn_state(p);
+         brw_set_default_exec_size(p, BRW_EXECUTE_4);
          brw_MOV(p, brw_writemask(vec4(dst), WRITEMASK_X),
                  brw_imm_ud(1));
 
          inst = brw_MOV(p, brw_writemask(vec4(dst), WRITEMASK_X),
                         brw_imm_ud(0));
+         brw_pop_insn_state(p);
          brw_inst_set_mask_control(devinfo, inst, BRW_MASK_ENABLE);
       }
    }