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cp-tree.h (lang_decl_flags): Rename saved_inline to deferred.

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* cp-tree.h (lang_decl_flags): Rename saved_inline to deferred.
	(DECL_SAVED_INLINE): Rename to ...
	(DECL_DEFERRED_FN): ... this.
	(in_function_p): Remove declaration.
	(mark_inline_for_output): Rename to ...
	(defer_fn): ... this.
	* decl.c (finish_function): Adjust call to mark_inline_for_output.
	(in_function_p): Remove definition.
	* decl2.c (saved_inlines): Rename to ...
	(deferred_fns): ... this.
	(saved_inlines_used): Rename to ...
	(deferred_fns_used): ... this.
	(mark_inline_for_output): Rename to ...
	(defer_fn): ... this.
	(finish_file): Adjust accordingly.
	(init_decl2): Likewise.
	* lex.c (cons_up_default_function): Likewise.
	* pt.c (mark_decl_instantiated): Likewise.
	(instantiate_decl): Don't set DECL_DEFER_OUTPUT under any
	circumstances.
	* rtti.c (get_tinfo_decl): Adjust call to mark_inline_for_output.
	* semantics.c (expand_body): Defer more functions.

From-SVN: r32973
This commit is contained in:
Mark Mitchell 2000-04-06 16:30:45 +00:00 committed by Mark Mitchell
parent 1573b93398
commit 56e770bfd6
16 changed files with 71 additions and 80 deletions
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25
gcc/cp/ChangeLog
View File

@ -1,3 +1,28 @@
2000-04-06 Mark Mitchell <mark@codesourcery.com>
* cp-tree.h (lang_decl_flags): Rename saved_inline to deferred.
(DECL_SAVED_INLINE): Rename to ...
(DECL_DEFERRED_FN): ... this.
(in_function_p): Remove declaration.
(mark_inline_for_output): Rename to ...
(defer_fn): ... this.
* decl.c (finish_function): Adjust call to mark_inline_for_output.
(in_function_p): Remove definition.
* decl2.c (saved_inlines): Rename to ...
(deferred_fns): ... this.
(saved_inlines_used): Rename to ...
(deferred_fns_used): ... this.
(mark_inline_for_output): Rename to ...
(defer_fn): ... this.
(finish_file): Adjust accordingly.
(init_decl2): Likewise.
* lex.c (cons_up_default_function): Likewise.
* pt.c (mark_decl_instantiated): Likewise.
(instantiate_decl): Don't set DECL_DEFER_OUTPUT under any
circumstances.
* rtti.c (get_tinfo_decl): Adjust call to mark_inline_for_output.
* semantics.c (expand_body): Defer more functions.
2000-04-06 Nathan Sidwell <nathan@codesourcery.com>
* rtti.c (dfs_class_hint_mark): New static function.

11
gcc/cp/cp-tree.h
View File

@ -1830,7 +1830,7 @@ struct lang_decl_flags
unsigned constructor_for_vbase_attr : 1;
unsigned mutable_flag : 1;
unsigned saved_inline : 1;
unsigned deferred : 1;
unsigned use_template : 2;
unsigned nonconverting : 1;
unsigned declared_inline : 1;
@ -2104,9 +2104,9 @@ struct lang_decl
#define DECL_SORTED_FIELDS(NODE) \
(DECL_LANG_SPECIFIC (TYPE_DECL_CHECK (NODE))->u.sorted_fields)
/* True if on the saved_inlines (see decl2.c) list. */
#define DECL_SAVED_INLINE(DECL) \
(DECL_LANG_SPECIFIC(DECL)->decl_flags.saved_inline)
/* True if on the deferred_fns (see decl2.c) list. */
#define DECL_DEFERRED_FN(DECL) \
(DECL_LANG_SPECIFIC(DECL)->decl_flags.deferred)
/* For a VAR_DECL, FUNCTION_DECL, TYPE_DECL or TEMPLATE_DECL:
template-specific information. */
@ -3837,7 +3837,6 @@ extern tree maybe_build_cleanup_and_delete PARAMS ((tree));
extern tree maybe_build_cleanup PARAMS ((tree));
extern void cplus_expand_expr_stmt PARAMS ((tree));
extern void finish_stmt PARAMS ((void));
extern int in_function_p PARAMS ((void));
extern void replace_defarg PARAMS ((tree, tree));
extern void print_other_binding_stack PARAMS ((struct binding_level *));
extern void revert_static_member_fn PARAMS ((tree));
@ -3898,7 +3897,7 @@ extern void cplus_decl_attributes PARAMS ((tree, tree, tree));
extern tree constructor_name_full PARAMS ((tree));
extern tree constructor_name PARAMS ((tree));
extern void setup_vtbl_ptr PARAMS ((void));
extern void mark_inline_for_output PARAMS ((tree));
extern void defer_fn PARAMS ((tree));
extern tree get_temp_name PARAMS ((tree, int));
extern void finish_anon_union PARAMS ((tree));
extern tree finish_table PARAMS ((tree, tree, tree, int));

9
gcc/cp/decl.c
View File

@ -14153,7 +14153,7 @@ finish_function (lineno, flags)
if (! DECL_EXTERNAL (fndecl))
DECL_NOT_REALLY_EXTERN (fndecl) = 1;
DECL_EXTERNAL (fndecl) = 1;
mark_inline_for_output (fndecl);
defer_fn (fndecl);
}
#if 0
@ -14670,13 +14670,6 @@ mark_cp_function_context (f)
mark_lang_function (f->language);
}
int
in_function_p ()
{
return function_depth != 0;
}
void
lang_mark_false_label_stack (l)
struct label_node *l;

40
gcc/cp/decl2.c
View File

@ -108,9 +108,9 @@ static varray_type pending_statics;
/* A list of functions which were declared inline, but which we
may need to emit outline anyway. */
static varray_type saved_inlines;
#define saved_inlines_used \
(saved_inlines ? saved_inlines->elements_used : 0)
static varray_type deferred_fns;
#define deferred_fns_used \
(deferred_fns ? deferred_fns->elements_used : 0)
/* Same, but not reset. Local temp variables and global temp variables
can have the same name. */
@ -1976,20 +1976,20 @@ constructor_name (thing)
return t;
}
/* Record the existence of an addressable inline function. */
/* Defer the compilation of the FN until the end of compilation. */
void
mark_inline_for_output (decl)
tree decl;
defer_fn (fn)
tree fn;
{
decl = DECL_MAIN_VARIANT (decl);
if (DECL_SAVED_INLINE (decl))
fn = DECL_MAIN_VARIANT (fn);
if (DECL_DEFERRED_FN (fn))
return;
DECL_SAVED_INLINE (decl) = 1;
if (!saved_inlines)
VARRAY_TREE_INIT (saved_inlines, 32, "saved_inlines");
DECL_DEFERRED_FN (fn) = 1;
if (!deferred_fns)
VARRAY_TREE_INIT (deferred_fns, 32, "deferred_fns");
VARRAY_PUSH_TREE (saved_inlines, decl);
VARRAY_PUSH_TREE (deferred_fns, fn);
}
/* Hand off a unique name which can be used for variable we don't really
@ -3537,9 +3537,9 @@ finish_file ()
/* Go through the various inline functions, and see if any need
synthesizing. */
for (i = 0; i < saved_inlines_used; ++i)
for (i = 0; i < deferred_fns_used; ++i)
{
tree decl = VARRAY_TREE (saved_inlines, i);
tree decl = VARRAY_TREE (deferred_fns, i);
import_export_decl (decl);
if (DECL_ARTIFICIAL (decl) && ! DECL_INITIAL (decl)
&& TREE_USED (decl)
@ -3569,9 +3569,9 @@ finish_file ()
from being put out unncessarily. But, we must stop lying
when the functions are referenced, or if they are not comdat
since they need to be put out now. */
for (i = 0; i < saved_inlines_used; ++i)
for (i = 0; i < deferred_fns_used; ++i)
{
tree decl = VARRAY_TREE (saved_inlines, i);
tree decl = VARRAY_TREE (deferred_fns, i);
if (DECL_NOT_REALLY_EXTERN (decl)
&& DECL_INITIAL (decl)
@ -3609,9 +3609,9 @@ finish_file ()
}
}
if (saved_inlines_used
&& wrapup_global_declarations (&VARRAY_TREE (saved_inlines, 0),
saved_inlines_used))
if (deferred_fns_used
&& wrapup_global_declarations (&VARRAY_TREE (deferred_fns, 0),
deferred_fns_used))
reconsider = 1;
if (walk_namespaces (wrapup_globals_for_namespace, /*data=*/0))
reconsider = 1;
@ -5302,7 +5302,7 @@ void
init_decl2 ()
{
ggc_add_tree_root (&decl_namespace_list, 1);
ggc_add_tree_varray_root (&saved_inlines, 1);
ggc_add_tree_varray_root (&deferred_fns, 1);
ggc_add_tree_varray_root (&pending_statics, 1);
ggc_add_tree_varray_root (&ssdf_decls, 1);
ggc_add_tree_root (&ssdf_decl, 1);

2
gcc/cp/lex.c
View File

@ -2085,7 +2085,7 @@ cons_up_default_function (type, full_name, kind)
#endif
DECL_NOT_REALLY_EXTERN (fn) = 1;
mark_inline_for_output (fn);
defer_fn (fn);
#ifdef DEBUG_DEFAULT_FUNCTIONS
{ char *fn_type = NULL;

23
gcc/cp/pt.c
View File

@ -8688,7 +8688,7 @@ mark_decl_instantiated (result, extern_p)
maybe_make_one_only (result);
}
else if (TREE_CODE (result) == FUNCTION_DECL)
mark_inline_for_output (result);
defer_fn (result);
}
/* Given two function templates PAT1 and PAT2, and explicit template
@ -9391,11 +9391,9 @@ instantiate_decl (d, defer_ok)
tree code_pattern;
tree spec;
tree gen_tmpl;
int nested = in_function_p ();
int pattern_defined;
int line = lineno;
char *file = input_filename;
tree old_fn = current_function_decl;
/* This function should only be used to instantiate templates for
functions and static member variables. */
@ -9547,25 +9545,6 @@ instantiate_decl (d, defer_ok)
goto out;
}
/* If this instantiation is COMDAT, we don't know whether or not we
will really need to write it out. If we can't be sure, mark it
DECL_DEFER_OUTPUT. NOTE: This increases memory consumption,
since we keep some instantiations in memory rather than write
them out immediately and forget them. A better approach would be
to wait until we know we need them to do the instantiation, but
that would break templates with static locals, because we
generate the functions to destroy statics before we determine
which functions are needed. A better solution would be to
generate the ctor and dtor functions as we go. */
if (TREE_CODE (d) == FUNCTION_DECL
&& DECL_COMDAT (d)
&& ! DECL_NEEDED_P (d)
/* If the function that caused us to be instantiated is needed, we
will be needed, too. */
&& (! nested || (old_fn && ! DECL_NEEDED_P (old_fn))))
DECL_DEFER_OUTPUT (d) = 1;
/* We're now committed to instantiating this template. Mark it as
instantiated so that recursive calls to instantiate_decl do not
try to instantiate it again. */

2
gcc/cp/rtti.c
View File

@ -413,7 +413,7 @@ get_tinfo_decl (type)
DECL_NOT_REALLY_EXTERN (d) = 1;
SET_DECL_TINFO_FN_P (d);
TREE_TYPE (name) = type;
mark_inline_for_output (d);
defer_fn (d);
}
else
{

11
gcc/cp/semantics.c
View File

@ -2727,17 +2727,12 @@ expand_body (fn)
/* If possible, avoid generating RTL for this function. Instead,
just record it as an inline function, and wait until end-of-file
to decide whether to write it out or not. */
if (/* We have to generate RTL if we can't inline trees. */
flag_inline_trees
/* Or if it's not an inline function. */
&& DECL_INLINE (fn)
if (/* We have to generate RTL if it's not an inline function. */
(DECL_INLINE (fn) || DECL_COMDAT (fn))
/* Or if we have to keep all inline functions anyhow. */
&& !flag_keep_inline_functions
/* Or if we actually have a reference to the function. */
&& !DECL_NEEDED_P (fn)
/* Or if we're at the end-of-file, and this function is not
DECL_COMDAT. */
&& (!at_eof || DECL_COMDAT (fn))
/* Or if this is a nested function. */
&& !decl_function_context (fn))
{
@ -2753,7 +2748,7 @@ expand_body (fn)
}
/* Remember this function. In finish_file we'll decide if
we actually need to write this function out. */
mark_inline_for_output (fn);
defer_fn (fn);
/* Let the back-end know that this funtion exists. */
note_deferral_of_defined_inline_function (fn);
return;

4
gcc/testsuite/g++.old-deja/g++.bugs/900205_03.C
View File

@ -25,10 +25,10 @@ struct00 global_function_1 () {
struct struct0 {
int struct0_member_function_0 () {
} // ERROR -
} // ERROR - XFAIL
struct0 struct0_member_function_1 () {
} // ERROR -
} // ERROR - XFAIL
};
struct struct1 {

2
gcc/testsuite/g++.old-deja/g++.jason/offset2.C
View File

@ -3,7 +3,7 @@
int status = 1;
struct foo {
foo& operator= (const foo&) { status = 0; }
foo& operator= (const foo&) { status = 0; return *this; }
};
struct xx {

2
gcc/testsuite/g++.old-deja/g++.jason/opeq.C
View File

@ -8,7 +8,7 @@ class Y
{
public:
Y(char*) {}
Y& operator = (const Y&) {}
Y& operator = (const Y&) { return *this; }
};

2
gcc/testsuite/g++.old-deja/g++.law/operators16.C
View File

@ -11,7 +11,7 @@ int pass = 0;
struct A {
A(void) {}
A(const A& a) { ; }
A& operator = (const A& a) { pass = 1; }
A& operator = (const A& a) { pass = 1; return *this; }
};
struct B {

2
gcc/testsuite/g++.old-deja/g++.law/operators17.C
View File

@ -8,5 +8,5 @@
// Message-ID: <9304291053.AA00090@mencon>
struct A {
A& operator = (const A& a) {}// ERROR -
A& operator = (const A& a) {}// ERROR - XFAIL
};

4
gcc/testsuite/g++.old-deja/g++.mike/net26.C
View File

@ -4,8 +4,8 @@ extern "C" int printf(const char *, ...);
class A {
public:
int foo() { printf("ok nv\n"); }
virtual int vfoo() { printf("ok v\n"); }
int foo() { printf("ok nv\n"); return 0; }
virtual int vfoo() { printf("ok v\n"); return 0; }
};
struct S {

2
gcc/testsuite/g++.old-deja/g++.mike/virt3.C
View File

@ -3,7 +3,7 @@
class B {
public:
int Bi;
virtual int g() { };
virtual int g() { return 0; };
};
class D : private B {

10
gcc/testsuite/g++.old-deja/g++.mike/virt6.C
View File

@ -3,7 +3,7 @@
class C_A {
public:
virtual int foo(void *) { }
virtual int foo(void *) { return 0; }
} a;
class C_B : public C_A {
@ -17,22 +17,22 @@ class C_D : public C_A {
class C_E : public C_C, public C_B {
public:
virtual int foo(void *) { }
virtual int foo(void *) { return 0; }
} e;
class C_F : public C_D, public C_B {
public:
virtual int foo(void *) { }
virtual int foo(void *) { return 0; }
} f;
class C_G : public C_A {
public:
virtual int foo(void *) { }
virtual int foo(void *) { return 0; }
} g;
class C_H : public C_G, public C_E, public C_F {
public:
virtual int foo(void *) { }
virtual int foo(void *) { return 0; }
} h;
int main() {