diff --git a/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c b/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
index 6ba09491835..6689c3f1fb2 100644
--- a/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
@@ -1477,7 +1477,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_MOV:
-   /* TGSI_OPCODE_SWZ */
+   case TGSI_OPCODE_SWZ:
       FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
          FETCH( &r[0], 0, chan_index );
          STORE( &r[0], 0, chan_index );
diff --git a/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c
index a59e22b6ea8..cdce5ea9c52 100755
--- a/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/exec/tgsi_sse2.c
@@ -1190,7 +1190,7 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_MOV:
-   /* TGSI_OPCODE_SWZ */
+   case TGSI_OPCODE_SWZ:
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
          FETCH( func, *inst, 0, 0, chan_index );
          STORE( func, *inst, 0, 0, chan_index );