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tree.c (new_alias_set): New function.

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* tree.c (new_alias_set): New function.
        * tree.h (new_alias_set): Declare it.
        * c-common.c (c_get_alias_set): Use it.

From-SVN: r22504
This commit is contained in:
Richard Henderson 1998-09-20 12:02:58 -07:00 committed by Richard Henderson
parent 899f1ed698
commit 2ba573431e
4 changed files with 19 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
* tree.c (new_alias_set): New function.
* tree.h (new_alias_set): Declare it.
* c-common.c (c_get_alias_set): Use it.
Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
* fold-const.c (fold): Yet another COND_EXPR bug: when folding

3
gcc/c-common.c
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@ -2984,7 +2984,6 @@ int
c_get_alias_set (t)
tree t;
{
static int next_set = 0;
tree type;
if (t == error_mark_node)
@ -3060,6 +3059,6 @@ c_get_alias_set (t)
/* TYPE is something we haven't seen before. Put it in a new alias
set. */
TYPE_ALIAS_SET (type) = ++next_set;
TYPE_ALIAS_SET (type) = new_alias_set ();
return TYPE_ALIAS_SET (type);
}

12
gcc/tree.c
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@ -5061,7 +5061,8 @@ expr_check (node, ignored, file, line, nofatal)
/* Return the alias set for T, which may be either a type or an
expression. */
int get_alias_set (t)
int
get_alias_set (t)
tree t;
{
if (!flag_strict_aliasing || !lang_get_alias_set)
@ -5071,3 +5072,12 @@ int get_alias_set (t)
else
return (*lang_get_alias_set) (t);
}
/* Return a brand-new alias set. */
int
new_alias_set ()
{
static int last_alias_set;
return ++last_alias_set;
}

1
gcc/tree.h
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@ -1865,6 +1865,7 @@ extern tree get_set_constructor_bits PROTO((tree, char *, int));
extern tree get_set_constructor_bytes PROTO((tree,
unsigned char *, int));
extern int get_alias_set PROTO((tree));
extern int new_alias_set PROTO((void));
extern int (*lang_get_alias_set) PROTO((tree));
/* In stmt.c */