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| author | Jason Merrill <merrill@gnu.org> | 1994-06-23 23:19:54 +0000 |
|---|---|---|
| committer | Jason Merrill <merrill@gnu.org> | 1994-06-23 23:19:54 +0000 |
| commit | 8c461ea15daf5e66325fe7ed7dd0f8848a585a3d (patch) | |
| tree | cededec88ab79d8d4d13b999eb029b1e84f988cf /gcc | |
| parent | 03e421329d438f03372e9d4534dfdc2304b4acc5 (diff) | |
| download | gcc-8c461ea15daf5e66325fe7ed7dd0f8848a585a3d.zip gcc-8c461ea15daf5e66325fe7ed7dd0f8848a585a3d.tar.gz gcc-8c461ea15daf5e66325fe7ed7dd0f8848a585a3d.tar.bz2 | |
(compile_file): Use TREE_SYMBOL_REFERENCED instead of
TREE_USED and TREE_ADDRESSABLE where appropriate.
From-SVN: r7551
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/toplev.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index d10c38b..31e3d19 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -2313,8 +2313,7 @@ compile_file (name) if (! TREE_READONLY (decl) || TREE_PUBLIC (decl) || !optimize - || TREE_ADDRESSABLE (decl) - || TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (decl))) + || TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))) rest_of_decl_compilation (decl, NULL_PTR, 1, 1); else /* Cancel the RTL for this decl so that, if debugging info @@ -2327,9 +2326,8 @@ compile_file (name) && ! TREE_ASM_WRITTEN (decl) && DECL_INITIAL (decl) != 0 && DECL_SAVED_INSNS (decl) != 0 - && (TREE_ADDRESSABLE (decl) - || flag_keep_inline_functions - || TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (decl))) + && (flag_keep_inline_functions + || TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))) && ! DECL_EXTERNAL (decl)) { temporary_allocation (); @@ -2342,25 +2340,20 @@ compile_file (name) 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 + if (TREE_CODE (decl) == FUNCTION_DECL + && (warn_unused + || TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))) && DECL_INITIAL (decl) == 0 && DECL_EXTERNAL (decl) && ! TREE_PUBLIC (decl)) { - /* This should be a pedwarn, except that there is - no easy way to prevent it from happening when the - name is used only inside a sizeof. - This at least avoids being incorrect. */ - warning_with_decl (decl, + pedwarn_with_decl (decl, "`%s' declared `static' but never defined"); /* This symbol is effectively an "extern" declaration now. */ TREE_PUBLIC (decl) = 1; assemble_external (decl); - } + /* Warn about static fns or vars defined but not used, but not about inline functions or static consts since defining those in header files is normal practice. */ |