glsl_to_tgsi: add fallthrough comments

All those cases are supposed to hit an assert in ir_binop_bit_or case.

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5133>

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 8eb0dda9faeec860a9586989c157329d8929f858..390e91deebd49a1635b6cfc6edcc32d51d898121 100644 (file)
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -1938,11 +1938,13 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op)
          emit_asm(ir, TGSI_OPCODE_NOT, result_dst, op[0]);
          break;
       }
+      /* fallthrough */
    case ir_unop_u2f:
       if (native_integers) {
          emit_asm(ir, TGSI_OPCODE_U2F, result_dst, op[0]);
          break;
       }
+      /* fallthrough */
    case ir_binop_lshift:
    case ir_binop_rshift:
       if (native_integers) {
@@ -1964,16 +1966,19 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op)
          emit_asm(ir, opcode, result_dst, op[0], count);
          break;
       }
+      /* fallthrough */
    case ir_binop_bit_and:
       if (native_integers) {
          emit_asm(ir, TGSI_OPCODE_AND, result_dst, op[0], op[1]);
          break;
       }
+      /* fallthrough */
    case ir_binop_bit_xor:
       if (native_integers) {
          emit_asm(ir, TGSI_OPCODE_XOR, result_dst, op[0], op[1]);
          break;
       }
+      /* fallthrough */
    case ir_binop_bit_or:
       if (native_integers) {
          emit_asm(ir, TGSI_OPCODE_OR, result_dst, op[0], op[1]);