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alias.c (alias_sets): Change the type to VEC(alias_set_entry,gc) *. 

* alias.c (alias_sets): Change the type to
	VEC(alias_set_entry,gc) *.
	(get_alias_set_entry, new_alias_set, record_alias_subset): Use
	VEC instead of VARRAY.
	(last_alias_set): Remove.

From-SVN: r113005
This commit is contained in:
Kazu Hirata 2006-04-17 12:42:37 +00:00 committed by Kazu Hirata
parent 08c796829c
commit 1a5640b4e1
2 changed files with 16 additions and 10 deletions
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6
gcc/ChangeLog
View File

@ -5,6 +5,12 @@
(REG_BASE_VALUE, find_base_value, record_set,
init_alias_analysis): Use VEC instead of VARRAY.
* alias.c (alias_sets): Change the type to
VEC(alias_set_entry,gc) *.
(get_alias_set_entry, new_alias_set, record_alias_subset): Use
VEC instead of VARRAY.
(last_alias_set): Remove.
2006-04-16 Roger Sayle <roger@eyesopen.com>
PR target/26961

20
gcc/alias.c
View File

@ -248,8 +248,11 @@ static bool *reg_known_equiv_p;
NOTE_INSN_FUNCTION_BEG note. */
static bool copying_arguments;
DEF_VEC_P(alias_set_entry);
DEF_VEC_ALLOC_P(alias_set_entry,gc);
/* The splay-tree used to store the various alias set entries. */
static GTY ((param_is (struct alias_set_entry))) varray_type alias_sets;
static GTY (()) VEC(alias_set_entry,gc) *alias_sets;
/* Returns a pointer to the alias set entry for ALIAS_SET, if there is
such an entry, or NULL otherwise. */
@ -257,7 +260,7 @@ static GTY ((param_is (struct alias_set_entry))) varray_type alias_sets;
static inline alias_set_entry
get_alias_set_entry (HOST_WIDE_INT alias_set)
{
return (alias_set_entry)VARRAY_GENERIC_PTR (alias_sets, alias_set);
return VEC_index (alias_set_entry, alias_sets, alias_set);
}
/* Returns nonzero if the alias sets for MEM1 and MEM2 are such that
@ -622,18 +625,15 @@ get_alias_set (tree t)
/* Return a brand-new alias set. */
static GTY(()) HOST_WIDE_INT last_alias_set;
HOST_WIDE_INT
new_alias_set (void)
{
if (flag_strict_aliasing)
{
if (!alias_sets)
VARRAY_GENERIC_PTR_INIT (alias_sets, 10, "alias sets");
else
VARRAY_GROW (alias_sets, last_alias_set + 2);
return ++last_alias_set;
if (alias_sets == 0)
VEC_safe_push (alias_set_entry, gc, alias_sets, 0);
VEC_safe_push (alias_set_entry, gc, alias_sets, 0);
return VEC_length (alias_set_entry, alias_sets) - 1;
}
else
return 0;
@ -675,7 +675,7 @@ record_alias_subset (HOST_WIDE_INT superset, HOST_WIDE_INT subset)
superset_entry->children
= splay_tree_new_ggc (splay_tree_compare_ints);
superset_entry->has_zero_child = 0;
VARRAY_GENERIC_PTR (alias_sets, superset) = superset_entry;
VEC_replace (alias_set_entry, alias_sets, superset, superset_entry);
}
if (subset == 0)