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authorRichard Stallman <rms@gnu.org>1992-03-06 23:26:22 +0000
committerRichard Stallman <rms@gnu.org>1992-03-06 23:26:22 +0000
commitac266247ced57232013a3093785db30e253a432a (patch)
treeda98d242241f4cee0ed6c2ff4ae3e8118cb3e24d /gcc/toplev.c
parent3e7b5313047f2d4cfce48c6d93b62350bfde4944 (diff)
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*** empty log message ***
From-SVN: r404
Diffstat (limited to 'gcc/toplev.c')
-rw-r--r--gcc/toplev.c10
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;