stage1 重构代码

stage0/spl_disasm.c

@@ -54,7 +54,7 @@ int main(int argc, const char **argv) {
         spl_ins_t *ins = &vec_at(prog.insns, i);
         printf("%4zd: %s", i, spl_opcode_name((spl_opcode_t)ins->opcode));
         if (ins->type != SPL_VOID)
-            printf(" %s", spl_type_name((spl_type_t)ins->type));
+            printf(" %s", spl_type_tag_name((spl_type_t)ins->type));
         printf(" %zd", ins->imm);
 
         /* annotate jumps / calls */