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tree-flow.h (add_referenced_var_1): Declare. 

2012-05-22  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (add_referenced_var_1): Declare.
	(add_referenced_var): Define.
	* tree-dfa.c (referenced_var_check_and_insert): Avoid one hash
	lookup.
	(add_referenced_var): Rename to ...
	(add_referenced_var_1): ... this.  Take struct function argument.

From-SVN: r187766
This commit is contained in:
Richard Guenther 2012-05-22 09:33:01 +00:00 committed by Richard Biener
parent 95ffee1fce
commit 3efa0725f4
3 changed files with 19 additions and 10 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2012-05-22 Richard Guenther <rguenther@suse.de>
* tree-flow.h (add_referenced_var_1): Declare.
(add_referenced_var): Define.
* tree-dfa.c (referenced_var_check_and_insert): Avoid one hash
lookup.
(add_referenced_var): Rename to ...
(add_referenced_var_1): ... this. Take struct function argument.
2012-05-22 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
PR target/53334

17
gcc/tree-dfa.c
View File

@ -503,24 +503,23 @@ referenced_var_lookup (struct function *fn, unsigned int uid)
Return true if it required insertion. */
static bool
referenced_var_check_and_insert (tree to)
referenced_var_check_and_insert (tree to, struct function *fn)
{
tree h, *loc;
tree *loc;
struct tree_decl_minimal in;
unsigned int uid = DECL_UID (to);
in.uid = uid;
h = (tree) htab_find_with_hash (gimple_referenced_vars (cfun), &in, uid);
if (h)
loc = (tree *) htab_find_slot_with_hash (gimple_referenced_vars (fn),
&in, uid, INSERT);
if (*loc)
{
/* DECL_UID has already been entered in the table. Verify that it is
the same entry as TO. See PR 27793. */
gcc_assert (h == to);
gcc_assert (*loc == to);
return false;
}
loc = (tree *) htab_find_slot_with_hash (gimple_referenced_vars (cfun),
&in, uid, INSERT);
*loc = to;
return true;
}
@ -575,7 +574,7 @@ set_default_def (tree var, tree def)
/* Add VAR to the list of referenced variables if it isn't already there. */
bool
add_referenced_var (tree var)
add_referenced_var_1 (tree var, struct function *fn)
{
gcc_checking_assert (TREE_CODE (var) == VAR_DECL
|| TREE_CODE (var) == PARM_DECL
@ -585,7 +584,7 @@ add_referenced_var (tree var)
create_var_ann (var);
/* Insert VAR into the referenced_vars hash table if it isn't present. */
if (referenced_var_check_and_insert (var))
if (referenced_var_check_and_insert (var, fn))
return true;
return false;

3
gcc/tree-flow.h
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@ -491,7 +491,8 @@ extern void debug_referenced_vars (void);
extern void dump_referenced_vars (FILE *);
extern void dump_variable (FILE *, tree);
extern void debug_variable (tree);
extern bool add_referenced_var (tree);
extern bool add_referenced_var_1 (tree, struct function *);
#define add_referenced_var(v) add_referenced_var_1 ((v), cfun)
extern void remove_referenced_var (tree);
extern tree make_rename_temp (tree, const char *);
extern void set_default_def (tree, tree);