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cgraph.h (cgraph_mark_if_needed): New function.

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* cgraph.h (cgraph_mark_if_needed): New function.
	* cgraphunit.c (cgraph_mark_if_needed): New function.
	* c-decl.c (duplicate_decl): Use it.

From-SVN: r136893
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Jan Hubicka 2008-06-18 15:42:36 +02:00 committed by Jan Hubicka
parent ff2c88a561
commit f0c882ab6f
4 changed files with 21 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-06-16 Jan Hubicka <jh@suse.cz>
* cgraph.h (cgraph_mark_if_needed): New function.
* cgraphunit.c (cgraph_mark_if_needed): New function.
* c-decl.c (duplicate_decl): Use it.
2008-06-16 Jan Hubicka <jh@suse.cz> 2008-06-16 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_add_new_function): When in expansion state, do * cgraph.c (cgraph_add_new_function): When in expansion state, do

4
gcc/c-decl.c
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@ -1913,9 +1913,9 @@ merge_decls (tree newdecl, tree olddecl, tree newtype, tree oldtype)
/* If we changed a function from DECL_EXTERNAL to !DECL_EXTERNAL, /* If we changed a function from DECL_EXTERNAL to !DECL_EXTERNAL,
and the definition is coming from the old version, cgraph needs and the definition is coming from the old version, cgraph needs
to be called again. */ to be called again. */
if (extern_changed && !new_is_definition if (extern_changed && !new_is_definition
&& TREE_CODE (olddecl) == FUNCTION_DECL && DECL_INITIAL (olddecl)) && TREE_CODE (olddecl) == FUNCTION_DECL && DECL_INITIAL (olddecl))
cgraph_finalize_function (olddecl, false); cgraph_mark_if_needed (olddecl);
} }
/* Handle when a new declaration NEWDECL has the same name as an old /* Handle when a new declaration NEWDECL has the same name as an old

1
gcc/cgraph.h
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@ -331,6 +331,7 @@ void cgraph_add_new_function (tree, bool);
/* In cgraphunit.c */ /* In cgraphunit.c */
void cgraph_finalize_function (tree, bool); void cgraph_finalize_function (tree, bool);
void cgraph_mark_if_needed (tree);
void cgraph_finalize_compilation_unit (void); void cgraph_finalize_compilation_unit (void);
void cgraph_optimize (void); void cgraph_optimize (void);
void cgraph_mark_needed_node (struct cgraph_node *); void cgraph_mark_needed_node (struct cgraph_node *);

12
gcc/cgraphunit.c
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@ -642,6 +642,18 @@ cgraph_finalize_function (tree decl, bool nested)
do_warn_unused_parameter (decl); do_warn_unused_parameter (decl);
} }
/* C99 extern inline keywords allow changing of declaration after function
has been finalized. We need to re-decide if we want to mark the function as
needed then. */
void
cgraph_mark_if_needed (tree decl)
{
struct cgraph_node *node = cgraph_node (decl);
if (node->local.finalized && decide_is_function_needed (node, decl))
cgraph_mark_needed_node (node);
}
/* Verify cgraph nodes of given cgraph node. */ /* Verify cgraph nodes of given cgraph node. */
void void
verify_cgraph_node (struct cgraph_node *node) verify_cgraph_node (struct cgraph_node *node)