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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/c-parse.y | |
| 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/c-parse.y')
| -rw-r--r-- | gcc/c-parse.y | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/c-parse.y b/gcc/c-parse.y index aa5a5b4..1d6064c 100644 --- a/gcc/c-parse.y +++ b/gcc/c-parse.y @@ -2019,12 +2019,15 @@ label: CASE expr_no_commas ':' error_with_decl (duplicate, "this is the first default label"); } position_after_white_space (); } - | identifier ':' + | identifier ':' maybe_attribute { tree label = define_label (input_filename, lineno, $1); stmt_count++; emit_nop (); if (label) - expand_label (label); + { + expand_label (label); + decl_attributes (label, $3, NULL_TREE); + } position_after_white_space (); } ; |