diff options
| author | Martin Jambor <mjambor@suse.cz> | 2009-07-25 20:09:42 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2009-07-25 20:09:42 +0200 |
| commit | 86631ea3dd78a0077a6f96061affe89d5e38220f (patch) | |
| tree | 3c96ae42a6ff9f1334a7b02a1bd9e7eff55129ad /gcc/c-common.c | |
| parent | 2a9de349388c25eb2d8df725d5eace68c6c2c81d (diff) | |
| download | gcc-86631ea3dd78a0077a6f96061affe89d5e38220f.zip gcc-86631ea3dd78a0077a6f96061affe89d5e38220f.tar.gz gcc-86631ea3dd78a0077a6f96061affe89d5e38220f.tar.bz2 | |
extend.texi (Labels as Values): Document need for noclone.
2009-07-25 Martin Jambor <mjambor@suse.cz>
* doc/extend.texi (Labels as Values): Document need for noclone.
(Function Attributes): Document noclone attribute.
* c-common.c (c_common_attribute_table): New element for noclone.
(handle_noclone_attribute): New function. Forward-declare.
* tree-inline.c (tree_versionable_function_p): Check for noclone
attribute.
* testsuite/gcc.c-torture/execute/pr17377.c: Add noclone attribute to
function y.
* testsuite/gcc.dg/ipa/noclone-1.c: New test.
From-SVN: r150086
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index aaa6435..0ebb9f1 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -482,6 +482,7 @@ static tree handle_noreturn_attribute (tree *, tree, tree, int, bool *); static tree handle_hot_attribute (tree *, tree, tree, int, bool *); static tree handle_cold_attribute (tree *, tree, tree, int, bool *); static tree handle_noinline_attribute (tree *, tree, tree, int, bool *); +static tree handle_noclone_attribute (tree *, tree, tree, int, bool *); static tree handle_always_inline_attribute (tree *, tree, tree, int, bool *); static tree handle_gnu_inline_attribute (tree *, tree, tree, int, bool *); @@ -733,6 +734,8 @@ const struct attribute_spec c_common_attribute_table[] = handle_noreturn_attribute }, { "noinline", 0, 0, true, false, false, handle_noinline_attribute }, + { "noclone", 0, 0, true, false, false, + handle_noclone_attribute }, { "always_inline", 0, 0, true, false, false, handle_always_inline_attribute }, { "gnu_inline", 0, 0, true, false, false, @@ -5913,6 +5916,23 @@ handle_noinline_attribute (tree *node, tree name, return NULL_TREE; } +/* Handle a "noclone" attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_noclone_attribute (tree *node, tree name, + tree ARG_UNUSED (args), + int ARG_UNUSED (flags), bool *no_add_attrs) +{ + if (TREE_CODE (*node) != FUNCTION_DECL) + { + warning (OPT_Wattributes, "%qE attribute ignored", name); + *no_add_attrs = true; + } + + return NULL_TREE; +} + /* Handle a "always_inline" attribute; arguments as in struct attribute_spec.handler. */ |