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ipa-reference.c (check_operand): Allow FUNCTION_DECL.

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2006-01-18  Daniel Berlin  <dberlin@dberlin.org>

	* ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
	(look_for_address_of): Ditto.
	(ipa_init): Walk the function decls.
	(static_execute): Don't set readonly on FUNCTION_DECL's.

From-SVN: r109932
This commit is contained in:
Daniel Berlin 2006-01-19 00:28:07 +00:00 committed by Daniel Berlin
parent db08384acf
commit 7dbca013b2
2 changed files with 19 additions and 2 deletions

7
gcc/ChangeLog

@ -1,3 +1,10 @@
2006-01-18 Daniel Berlin <dberlin@dberlin.org>
* ipa-reference.c (check_operand): Allow FUNCTION_DECL.
(look_for_address_of): Ditto.
(ipa_init): Walk the function decls.
(static_execute): Don't set readonly on FUNCTION_DECL's.
2006-01-18 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.md (shift spliter): Fix a a typo in the splitter

14
gcc/ipa-reference.c

@ -286,7 +286,7 @@ check_operand (ipa_reference_local_vars_info_t local,
{
if (!t) return;
if ((TREE_CODE (t) == VAR_DECL)
if ((TREE_CODE (t) == VAR_DECL || TREE_CODE (t) == FUNCTION_DECL)
&& (has_proper_scope_for_analysis (t)))
{
if (checking_write)
@ -343,7 +343,7 @@ look_for_address_of (tree t)
if (TREE_CODE (t) == ADDR_EXPR)
{
tree x = get_base_var (t);
if (TREE_CODE (x) == VAR_DECL)
if (TREE_CODE (x) == VAR_DECL || TREE_CODE (x) == FUNCTION_DECL)
if (has_proper_scope_for_analysis (x))
bitmap_set_bit (module_statics_escape, DECL_UID (x));
}
@ -741,6 +741,7 @@ merge_callee_local_info (struct cgraph_node *target,
static void
ipa_init (void)
{
struct cgraph_node *node;
memory_identifier_string = build_string(7, "memory");
reference_vars_to_consider =
@ -751,6 +752,10 @@ ipa_init (void)
module_statics_written = BITMAP_ALLOC (&ipa_obstack);
all_module_statics = BITMAP_ALLOC (&ipa_obstack);
/* This will add NODE->DECL to the splay trees. */
for (node = cgraph_nodes; node; node = node->next)
has_proper_scope_for_analysis (node->decl);
/* There are some shared nodes, in particular the initializers on
static declarations. We do not need to scan them more than once
since all we would be interested in are the addressof
@ -964,6 +969,11 @@ static_execute (void)
{
tree var = get_static_decl (index);
/* Readonly on a function decl is very different from the
variable. */
if (TREE_CODE (var) == FUNCTION_DECL)
continue;
/* Ignore variables in named sections - changing TREE_READONLY
changes the section flags, potentially causing conflicts with
other variables in the same named section. */