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alias.c (lang_get_alias_set): Remove.

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gcc/
	* alias.c (lang_get_alias_set): Remove.
	(get_alias_set): Call it directly, not indirectly.
	* c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
	* c-common.h (c_get_alias_set): Don't declare.
	* c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
	* expr.h (lang_get_alias_set): Declare as function, not pointer.

gcc/ch/
	* lang.c (lang_get_alias_set): New.

gcc/cp/
	* decl.c (init_decl_processing): Don't set lang_get_alias_set.

gcc/f/
	* com.c (lang_get_alias_set): New.

gcc/java/
	* lang.c (lang_get_alias_set): New.

From-SVN: r34368
This commit is contained in:
Richard Henderson 2000-06-02 17:33:00 -07:00 • committed by Richard Henderson
parent 572240906d
commit 2e761e4919
14 changed files with 69 additions and 17 deletions
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9
gcc/ChangeLog
View file

@ -1,3 +1,12 @@
2000-06-02 Richard Henderson <rth@cygnus.com>
* alias.c (lang_get_alias_set): Remove.
(get_alias_set): Call it directly, not indirectly.
* c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
* c-common.h (c_get_alias_set): Don't declare.
* c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
* expr.h (lang_get_alias_set): Declare as function, not pointer.
2000-06-02 Bruce Korb <bkorb@gnu.org>
* fixinc/server.c(sig_handler): resume closing server on SIGPIPE

14
gcc/alias.c
View file

@ -81,10 +81,6 @@ typedef struct alias_set_entry
splay_tree children;
} *alias_set_entry;
/* The language-specific function for alias analysis. If NULL, the
language does not do any special alias analysis. */
HOST_WIDE_INT (*lang_get_alias_set) PARAMS ((tree));
static int rtx_equal_for_memref_p PARAMS ((rtx, rtx));
static rtx find_symbolic_term PARAMS ((rtx));
static rtx get_addr PARAMS ((rtx));
@ -369,8 +365,7 @@ get_alias_set (t)
/* Now give the language a chance to do something but record what we
gave it this time. */
orig_t = t;
if (lang_get_alias_set != 0
&& (set = (*lang_get_alias_set) (t)) != -1)
if ((set = lang_get_alias_set (t)) != -1)
return set;
/* If this is a reference, go inside it and use the underlying
@ -395,8 +390,8 @@ get_alias_set (t)
}
/* Give the language another chance to do something special. */
if (orig_t != t && lang_get_alias_set != 0
&& (set = (*lang_get_alias_set) (t)) != -1)
if (orig_t != t
&& (set = lang_get_alias_set (t)) != -1)
return set;
/* Now all we care about is the type. */
@ -410,8 +405,7 @@ get_alias_set (t)
return TYPE_ALIAS_SET (t);
/* See if the language has special handling for this type. */
if (lang_get_alias_set != 0
&& (set = (*lang_get_alias_set) (t)) != -1)
if ((set = lang_get_alias_set (t)) != -1)
;
/* There are no objects of FUNCTION_TYPE, so there's no point in
using up an alias set for them. (There are, of course, pointers

2
gcc/c-common.c
View file

@ -3265,7 +3265,7 @@ c_apply_type_quals_to_decl (type_quals, decl)
or a type. Return -1 if we don't do anything special. */
HOST_WIDE_INT
c_get_alias_set (t)
lang_get_alias_set (t)
tree t;
{
tree u;

1
gcc/c-common.h
View file

@ -97,7 +97,6 @@ extern void decl_attributes PARAMS ((tree, tree, tree));
extern void init_function_format_info PARAMS ((void));
extern void check_function_format PARAMS ((tree, tree, tree));
extern void c_apply_type_quals_to_decl PARAMS ((int, tree));
extern HOST_WIDE_INT c_get_alias_set PARAMS ((tree));
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
extern void binary_op_error PARAMS ((enum tree_code));

2
gcc/c-decl.c
View file

@ -2896,8 +2896,6 @@ init_decl_processing ()
tree array_domain_type;
tree t;
lang_get_alias_set = c_get_alias_set;
current_function_decl = NULL;
named_labels = NULL;
current_binding_level = NULL_BINDING_LEVEL;

4
gcc/ch/ChangeLog
View file

@ -1,3 +1,7 @@
2000-06-02 Richard Henderson <rth@cygnus.com>
* lang.c (lang_get_alias_set): New.
Sat May 27 11:24:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* lang.c (deep_const_expr): Use first_rtl_op.

13
gcc/ch/lang.c
View file

@ -283,6 +283,19 @@ incomplete_type_error (value, type)
error ("internal error - use of undefined type");
}
/* Return the typed-based alias set for T, which may be an expression
or a type. Return -1 if we don't do anything special. */
HOST_WIDE_INT
lang_get_alias_set (t)
tree t;
{
/* ??? Need to figure out what the rules are. Certainly we'd need
to handle union-like things, and probably variant records.
Until then, turn off type-based aliasing completely. */
return 0;
}
void
lang_init ()
{

4
gcc/cp/ChangeLog
View file

@ -1,3 +1,7 @@
2000-06-02 Richard Henderson <rth@cygnus.com>
* decl.c (init_decl_processing): Don't set lang_get_alias_set.
2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
* decl.c (store_return_init): Call put_var_into_stack.

2
gcc/cp/decl.c
View file

@ -6252,8 +6252,6 @@ init_decl_processing ()
int wchar_type_size;
tree array_domain_type;
lang_get_alias_set = c_get_alias_set;
/* Check to see that the user did not specify an invalid combination
of command-line options. */
if (flag_new_abi && !flag_vtable_thunks)

2
gcc/expr.h
View file

@ -922,7 +922,7 @@ extern void record_alias_subset PARAMS ((HOST_WIDE_INT,
HOST_WIDE_INT));
#ifdef TREE_CODE
extern HOST_WIDE_INT get_alias_set PARAMS ((tree));
extern HOST_WIDE_INT (*lang_get_alias_set) PARAMS ((tree));
extern HOST_WIDE_INT lang_get_alias_set PARAMS ((tree));
#endif
extern HOST_WIDE_INT new_alias_set PARAMS ((void));

4
gcc/f/ChangeLog
View file

@ -1,3 +1,7 @@
2000-06-02 Richard Henderson <rth@cygnus.com>
* com.c (lang_get_alias_set): New.
2000-05-28 Toon Moene <toon@moene.indiv.nluug.nl>
* bugs.texi: Note that debugging information for

15
gcc/f/com.c
View file

@ -14870,6 +14870,21 @@ lang_identify ()
return "f77";
}
/* Return the typed-based alias set for T, which may be an expression
or a type. Return -1 if we don't do anything special. */
HOST_WIDE_INT
lang_get_alias_set (t)
tree t;
{
/* We do not wish to use alias-set based aliasing at all. Used in the
extreme (every object with its own set, with equivalences recorded)
it might be helpful, but there are problems when it comes to inlining.
We get on ok with flag_argument_noalias, and alias-set aliasing does
currently limit how stack slots can be reused, which is a lose. */
return 0;
}
void
lang_init_options ()
{

4
gcc/java/ChangeLog
View file

@ -1,3 +1,7 @@
2000-06-02 Richard Henderson <rth@cygnus.com>
* lang.c (lang_get_alias_set): New.
2000-05-31 Alexandre Petit-Bianco <apbianco@cygnus.com>
* parse.y (resolve_field_access): Complete the DECL_INITIAL tree

10
gcc/java/lang.c
View file

@ -646,3 +646,13 @@ lang_print_xnode (file, node, indent)
int indent __attribute ((__unused__));
{
}
/* Return the typed-based alias set for T, which may be an expression
or a type. Return -1 if we don't do anything special. */
HOST_WIDE_INT
lang_get_alias_set (t)
tree t;
{
return -1;
}