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gengtype.c (process_gc_options): Remove unnecessary forward decl.

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* gengtype.c (process_gc_options): Remove unnecessary forward decl.
	Add another out parameter, "skip".
	(set_gc_used_type): Adjust calls to process_gc_options.  If a field
	is tagged "skip", do not mark its type used.

From-SVN: r119034
This commit is contained in:
Zack Weinberg 2006-11-21 00:16:45 +00:00 committed by Zack Weinberg
parent 6696f3cd47
commit 5932ca9d11
2 changed files with 15 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2006-11-20 Zack Weinberg <zackw@panix.com>
* gengtype.c (process_gc_options): Remove unnecessary forward decl.
Add another out parameter, "skip".
(set_gc_used_type): Adjust calls to process_gc_options. If a field
is tagged "skip", do not mark its type used.
2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/25500

13
gcc/gengtype.c
View File

@ -869,8 +869,6 @@ note_yacc_type (options_p o, pair_p fields, pair_p typeinfo,
do_typedef ("YYSTYPE", new_structure ("yy_union", 1, pos, typeinfo, o), pos);
}
static void process_gc_options (options_p, enum gc_used_enum,
int *, int *, int *, type_p *);
static void set_gc_used_type (type_p, enum gc_used_enum, type_p *);
static void set_gc_used (pair_p);
@ -878,7 +876,7 @@ static void set_gc_used (pair_p);
static void
process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef,
int *pass_param, int *length, type_p *nested_ptr)
int *pass_param, int *length, int *skip, type_p *nested_ptr)
{
options_p o;
for (o = opt; o; o = o->next)
@ -890,6 +888,8 @@ process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef,
*pass_param = 1;
else if (strcmp (o->name, "length") == 0)
*length = 1;
else if (strcmp (o->name, "skip") == 0)
*skip = 1;
else if (strcmp (o->name, "nested_ptr") == 0)
*nested_ptr = ((const struct nested_ptr_data *) o->info)->type;
}
@ -913,7 +913,7 @@ set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM])
int dummy;
type_p dummy2;
process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy,
process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy,
&dummy2);
for (f = t->u.s.fields; f; f = f->next)
@ -921,9 +921,10 @@ set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM])
int maybe_undef = 0;
int pass_param = 0;
int length = 0;
int skip = 0;
type_p nested_ptr = NULL;
process_gc_options (f->opt, level, &maybe_undef, &pass_param,
&length, &nested_ptr);
&length, &skip, &nested_ptr);
if (nested_ptr && f->type->kind == TYPE_POINTER)
set_gc_used_type (nested_ptr, GC_POINTED_TO,
@ -935,6 +936,8 @@ set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM])
else if (pass_param && f->type->kind == TYPE_POINTER && param)
set_gc_used_type (find_param_structure (f->type->u.p, param),
GC_POINTED_TO, NULL);
else if (skip)
; /* target type is not used through this field */
else
set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL);
}