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| author | Richard Stallman <rms@gnu.org> | 1992-04-28 23:51:24 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-04-28 23:51:24 +0000 |
| commit | 9e3c9e1bf6949a24f1622b61c092466bb56896d8 (patch) | |
| tree | 9c8224040e974095241abdb4c0fd4be7d81df212 /gcc | |
| parent | 9dee6758c3677473917b41309fd8d04f1145b377 (diff) | |
| download | gcc-9e3c9e1bf6949a24f1622b61c092466bb56896d8.zip gcc-9e3c9e1bf6949a24f1622b61c092466bb56896d8.tar.gz gcc-9e3c9e1bf6949a24f1622b61c092466bb56896d8.tar.bz2 | |
*** empty log message ***
From-SVN: r854
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/c-decl.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index c1b44fe..1650a00 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -2495,23 +2495,6 @@ init_decl_processing () BUILT_IN_ALLOCA, 0); /* Suppress error if redefined as a non-function. */ DECL_BUILT_IN_NONANSI (temp) = 1; - /* Declare these functions volatile - to avoid spurious "control drops through" warnings. */ - /* Don't specify the argument types, to avoid errors - from certain code which isn't valid in ANSI but which exists. */ - temp = builtin_function ("abort", - build_function_type (void_type_node, 0), - NOT_BUILT_IN, 0); - TREE_THIS_VOLATILE (temp) = 1; - TREE_SIDE_EFFECTS (temp) = 1; - /* Suppress error if redefined as a non-function. */ - DECL_BUILT_IN_NONANSI (temp) = 1; - exit_type = build_function_type (void_type_node, 0); - temp = builtin_function ("exit", exit_type, NOT_BUILT_IN, 0); - TREE_THIS_VOLATILE (temp) = 1; - TREE_SIDE_EFFECTS (temp) = 1; - /* Suppress error if redefined as a non-function. */ - DECL_BUILT_IN_NONANSI (temp) = 1; temp = builtin_function ("_exit", exit_type, NOT_BUILT_IN, 0); TREE_THIS_VOLATILE (temp) = 1; TREE_SIDE_EFFECTS (temp) = 1; @@ -2562,10 +2545,11 @@ init_decl_processing () /* In an ANSI C program, it is okay to supply built-in meanings for these functions, since applications cannot validly use them with any other meaning. - However, a traditional C program can do so. - Also, honor the -fno-builtin option. */ - if (!flag_traditional && !flag_no_builtin) + However, honor the -fno-builtin option. */ + if (!flag_no_builtin) { + tree exit_type; + builtin_function ("abs", int_ftype_int, BUILT_IN_ABS, 0); builtin_function ("fabs", double_ftype_double, BUILT_IN_FABS, 0); builtin_function ("labs", long_ftype_long, BUILT_IN_LABS, 0); @@ -2575,6 +2559,28 @@ init_decl_processing () builtin_function ("strcpy", string_ftype_ptr_ptr, BUILT_IN_STRCPY, 0); builtin_function ("strlen", sizet_ftype_string, BUILT_IN_STRLEN, 0); builtin_function ("sqrt", double_ftype_double, BUILT_IN_FSQRT, 0); + + /* Declare these functions volatile + to avoid spurious "control drops through" warnings. */ + /* Don't specify the argument types, to avoid errors + from certain code which isn't valid in ANSI but which exists. */ + temp = builtin_function ("abort", + build_function_type (void_type_node, 0), + NOT_BUILT_IN, 0); + TREE_THIS_VOLATILE (temp) = 1; + TREE_SIDE_EFFECTS (temp) = 1; +#if 0 + /* Suppress error if redefined as a non-function. */ + DECL_BUILT_IN_NONANSI (temp) = 1; +#endif + exit_type = build_function_type (void_type_node, 0); + temp = builtin_function ("exit", exit_type, NOT_BUILT_IN, 0); + TREE_THIS_VOLATILE (temp) = 1; + TREE_SIDE_EFFECTS (temp) = 1; +#if 0 + /* Suppress error if redefined as a non-function. */ + DECL_BUILT_IN_NONANSI (temp) = 1; +#endif } #if 0 |