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re PR tree-optimization/39806 (incorrect pointer hashing in ipa-struct-reorg.c)

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2009-11-30  Olga Golovanevsky  <olga@il.ibm.com>

	PR middle-end/39806
	* ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables.
	(new_var_hash): Likewise.
	(is_in_new_vars_htab): Likewise.
	(add_to_new_vars_htab): Likewise.

From-SVN: r154811
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Olga Golovanevsky 2009-11-30 14:42:54 +00:00 committed by Olga Golovanevsky
parent 0727601add
commit 0f79311b10
2 changed files with 17 additions and 5 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2009-11-30 Olga Golovanevsky <olga@il.ibm.com>
PR middle-end/39806
* ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables.
(new_var_hash): Likewise.
(is_in_new_vars_htab): Likewise.
(add_to_new_vars_htab): Likewise.
2009-11-30 Ira Rosen <irar@il.ibm.com>
* tree-vect-stmts.c (vectorizable_assignment): Support

14
gcc/ipa-struct-reorg.c
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@ -569,7 +569,7 @@ static new_var
is_in_new_vars_htab (tree decl, htab_t new_vars_htab)
{
return (new_var) htab_find_with_hash (new_vars_htab, decl,
htab_hash_pointer (decl));
DECL_UID (decl));
}
/* Given original variable ORIG_VAR, this function returns
@ -1962,7 +1962,7 @@ add_to_new_vars_htab (new_var new_node, htab_t new_vars_htab)
void **slot;
slot = htab_find_slot_with_hash (new_vars_htab, new_node->orig_var,
htab_hash_pointer (new_node->orig_var),
DECL_UID (new_node->orig_var),
INSERT);
*slot = new_node;
}
@ -2254,15 +2254,19 @@ create_new_var (tree var_decl, htab_t new_vars_htab)
static hashval_t
new_var_hash (const void *x)
{
return htab_hash_pointer (((const_new_var)x)->orig_var);
return DECL_UID (((const_new_var)x)->orig_var);
}
/* This function returns nonzero if orig_var of new_var X is equal to Y. */
/* This function returns nonzero if orig_var of new_var X
and tree Y have equal UIDs. */
static int
new_var_eq (const void *x, const void *y)
{
return ((const_new_var)x)->orig_var == (const_tree)y;
if (DECL_P ((const_tree)y))
return DECL_UID (((const_new_var)x)->orig_var) == DECL_UID ((const_tree)y);
else
return 0;
}
/* This function check whether a structure type represented by STR