i965: Print the type and writemask on null destinations.

These are often useful in debugging, and the writemask (actually
"Channel Enables") determines more than just what goes into the
destination.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_disasm.c b/src/mesa/drivers/dri/i965/brw_disasm.c
index 7cbdbafa5366803351c041f36d9c7fbc9cf6fb36..df747107188dcac6d5119eaa4c1d4fff45a74716 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_disasm.c
+++ b/src/mesa/drivers/dri/i965/brw_disasm.c
@@ -726,7 +726,7 @@ reg(FILE *file, unsigned _reg_file, unsigned _reg_nr)
       switch (_reg_nr & 0xf0) {
       case BRW_ARF_NULL:
          string(file, "null");
-         return -1;
+         break;
       case BRW_ARF_ADDRESS:
          format(file, "a%d", _reg_nr & 0x0f);
          break;