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toplev.c (flag_keep_static_consts): Define.

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* toplev.c (flag_keep_static_consts): Define.
        (f_options): Add "keep-static-consts" entry.
        (compile_file): Check it in addition to !optimize for emitting
        static const variables.

From-SVN: r12310
This commit is contained in:
Brendan Kehoe 1996-06-19 15:19:27 -04:00
parent d9ad9b6ca3
commit fbe912dd09
1 changed files with 9 additions and 2 deletions
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11
gcc/toplev.c
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@ -460,6 +460,11 @@ int flag_keep_inline_functions;
int flag_no_inline;
/* Nonzero means that we should emit static const variables
regardless of whether or not optimization is turned on. */
int flag_keep_static_consts = 1;
/* Nonzero means we should be saving declaration info into a .X file. */
int flag_gen_aux_info = 0;
@ -575,6 +580,7 @@ struct { char *string; int *variable; int on_value;} f_options[] =
{"inline-functions", &flag_inline_functions, 1},
{"keep-inline-functions", &flag_keep_inline_functions, 1},
{"inline", &flag_no_inline, 0},
{"keep-static-consts", &flag_keep_static_consts, 1},
{"syntax-only", &flag_syntax_only, 1},
{"shared-data", &flag_shared_data, 1},
{"caller-saves", &flag_caller_saves, 1},
@ -2360,7 +2366,8 @@ compile_file (name)
/* Don't write out static consts, unless we still need them.
We also keep static consts if not optimizing (for debugging).
We also keep static consts if not optimizing (for debugging),
unless the user specified -fno-keep-static-consts.
??? They might be better written into the debug information.
This is possible when using DWARF.
@ -2385,7 +2392,7 @@ compile_file (name)
if (TREE_CODE (decl) == VAR_DECL && TREE_STATIC (decl)
&& (! TREE_READONLY (decl)
|| TREE_PUBLIC (decl)
|| !optimize
|| (!optimize && flag_keep_static_consts)
|| TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
{
reconsider = 1;