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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 1999-01-04 07:48:37 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 1999-01-04 07:48:37 +0000 |
| commit | 736b02fdfa3d7c93a3693e2fa41acf6d3d65df8c (patch) | |
| tree | e6dcbf0a389b511b9751f2e3fbcbf9af76269446 /gcc/gansidecl.h | |
| parent | fbc7f4a22d02ba59c589d13a50a7866d333e5e22 (diff) | |
| download | gcc-736b02fdfa3d7c93a3693e2fa41acf6d3d65df8c.zip gcc-736b02fdfa3d7c93a3693e2fa41acf6d3d65df8c.tar.gz gcc-736b02fdfa3d7c93a3693e2fa41acf6d3d65df8c.tar.bz2 | |
c-common.c (decl_attributes): Allow applying attribute `unused' on a LABEL_DECL.
* c-common.c (decl_attributes): Allow applying attribute `unused'
on a LABEL_DECL.
* c-parse.in (label): Parse attributes after a label, and call
`decl_attributes' to handle them.
* gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
* genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
* invoke.texi: Note that labels can be marked `unused'.
From-SVN: r24478
Diffstat (limited to 'gcc/gansidecl.h')
| -rw-r--r-- | gcc/gansidecl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/gansidecl.h b/gcc/gansidecl.h index 3ba99f5..ce9cda3 100644 --- a/gcc/gansidecl.h +++ b/gcc/gansidecl.h @@ -38,6 +38,14 @@ Boston, MA 02111-1307, USA. */ # define __attribute__(x) #endif +#ifndef ATTRIBUTE_UNUSED_LABEL +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 92) +# define ATTRIBUTE_UNUSED_LABEL +# else +# define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED +# endif /* GNUC < 2.92 */ +#endif /* ATTRIBUTE_UNUSED_LABEL */ + #ifndef ATTRIBUTE_UNUSED #define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) #endif /* ATTRIBUTE_UNUSED */ |