diff options
| -rw-r--r-- | gcc/toplev.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 0b4b63d..790b7c1 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1656,12 +1656,15 @@ compile_file (name) && ! TREE_EXTERNAL (decl)) output_inline_function (decl); - /* Warn about any function or variable - declared static but not defined. */ + /* Warn about any function + declared static but not defined. + We don't warn about variables, + because many programs have static variables + that exist only to get some text into the object file. */ if ((warn_unused || TREE_USED (decl) || (DECL_NAME (decl) && TREE_USED (DECL_NAME (decl)))) -/* && TREE_CODE (decl) == FUNCTION_DECL */ + && TREE_CODE (decl) == FUNCTION_DECL && DECL_INITIAL (decl) == 0 && TREE_EXTERNAL (decl) && ! TREE_PUBLIC (decl)) @@ -2559,6 +2562,7 @@ main (argc, argv, envp) flag_expensive_optimizations = 1; flag_strength_reduce = 1; flag_rerun_cse_after_loop = 1; + flag_caller_saves = 1; #ifdef INSN_SCHEDULING flag_schedule_insns = 1; flag_schedule_insns_after_reload = 1; |