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tree.c (wide_int_to_tree): Free discarded INTEGER_CST. 

2017-11-27  Richard Biener  <rguenther@suse.de>

	* tree.c (wide_int_to_tree): Free discarded INTEGER_CST.
	(type_hash_canon): Also clear int_cst_hash_table entry for
	TYPE_MIN/MAX_VALUE.
	(build_nonstandard_integer_type): Hash all TYPE_MAX_VALUEs.

From-SVN: r255171
This commit is contained in:
Richard Biener 2017-11-27 14:30:36 +00:00 committed by Richard Biener
parent d7dccfa38d
commit 53d2b7cb86
2 changed files with 23 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2017-11-27 Richard Biener <rguenther@suse.de>
* tree.c (wide_int_to_tree): Free discarded INTEGER_CST.
(type_hash_canon): Also clear int_cst_hash_table entry for
TYPE_MIN/MAX_VALUE.
(build_nonstandard_integer_type): Hash all TYPE_MAX_VALUEs.
2017-11-27 Tamar Christina <tamar.christina@arm.com>
* doc/extend.texi: Add -A suffix (ARMv8*-A, ARMv7-A).

20
gcc/tree.c
View File

@ -1576,6 +1576,8 @@ wide_int_to_tree (tree type, const wide_int_ref &pcst)
t = nt;
*slot = t;
}
else
ggc_free (nt);
}
return t;
@ -6496,10 +6498,18 @@ type_hash_canon (unsigned int hashcode, tree type)
{
if (TYPE_MIN_VALUE (type)
&& TREE_TYPE (TYPE_MIN_VALUE (type)) == type)
ggc_free (TYPE_MIN_VALUE (type));
{
/* Zero is always in TYPE_CACHED_VALUES. */
if (! TYPE_UNSIGNED (type))
int_cst_hash_table->remove_elt (TYPE_MIN_VALUE (type));
ggc_free (TYPE_MIN_VALUE (type));
}
if (TYPE_MAX_VALUE (type)
&& TREE_TYPE (TYPE_MAX_VALUE (type)) == type)
ggc_free (TYPE_MAX_VALUE (type));
{
int_cst_hash_table->remove_elt (TYPE_MAX_VALUE (type));
ggc_free (TYPE_MAX_VALUE (type));
}
if (TYPE_CACHED_VALUES_P (type))
ggc_free (TYPE_CACHED_VALUES (type));
}
@ -7486,8 +7496,10 @@ build_nonstandard_integer_type (unsigned HOST_WIDE_INT precision,
fixup_signed_type (itype);
ret = itype;
if (tree_fits_uhwi_p (TYPE_MAX_VALUE (itype)))
ret = type_hash_canon (tree_to_uhwi (TYPE_MAX_VALUE (itype)), itype);
inchash::hash hstate;
inchash::add_expr (TYPE_MAX_VALUE (itype), hstate);
ret = type_hash_canon (hstate.end (), itype);
if (precision <= MAX_INT_CACHED_PREC)
nonstandard_integer_type_cache[precision + unsignedp] = ret;