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except.h (struct handler_info): Add handler_number field

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* except.h (struct handler_info): Add handler_number field
	* except.c (gen_exception_label): EH labels no longer need to be
	on the permanent obstack.
	(get_new_handler): Set the label number field.
	(output_exception_table_entry): Regenerate handler label reference
	from the label number field.
	(init_eh): Remove a blank line
	* integrate.c (get_label_from_map): Labels no longer need to be
	on the permanent obstack.

From-SVN: r24203
This commit is contained in:
Andrew MacLeod 1998-12-09 06:15:20 +00:00 committed by Andrew Macleod
parent a91d8b9534
commit 0177de8737
4 changed files with 21 additions and 14 deletions
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12
gcc/ChangeLog
View File

@ -1,3 +1,15 @@
Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
* except.h (struct handler_info): Add handler_number field.
* except.c (gen_exception_label): EH labels no longer need to be
on the permanent obstack.
(get_new_handler): Set the label number field.
(output_exception_table_entry): Regenerate handler label reference
from the label number field.
(init_eh): Remove a blank line.
* integrate.c (get_label_from_map): Labels no longer need to be
on the permanent obstack.
Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
* i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand

13
gcc/except.c
View File

@ -616,11 +616,7 @@ rtx
gen_exception_label ()
{
rtx lab;
push_obstacks_nochange ();
end_temporary_allocation ();
lab = gen_label_rtx ();
pop_obstacks ();
return lab;
}
@ -924,6 +920,7 @@ get_new_handler (handler, typeinfo)
struct handler_info* ptr;
ptr = (struct handler_info *) malloc (sizeof (struct handler_info));
ptr->handler_label = handler;
ptr->handler_number = CODE_LABEL_NUMBER (handler);
ptr->type_info = typeinfo;
ptr->next = NULL;
@ -2147,8 +2144,11 @@ output_exception_table_entry (file, n)
if (handler == NULL)
assemble_integer (GEN_INT (0), POINTER_SIZE / BITS_PER_UNIT, 1);
else
assemble_integer (handler->handler_label,
POINTER_SIZE / BITS_PER_UNIT, 1);
{
ASM_GENERATE_INTERNAL_LABEL (buf, "L", handler->handler_number);
sym = gen_rtx_SYMBOL_REF (Pmode, buf);
assemble_integer (sym, POINTER_SIZE / BITS_PER_UNIT, 1);
}
if (flag_new_exceptions)
{
@ -2394,7 +2394,6 @@ check_exception_handler_labels ()
void
init_eh ()
{
first_rethrow_symbol = create_rethrow_ref (0);
final_rethrow = gen_exception_label ();
last_rethrow_symbol = create_rethrow_ref (CODE_LABEL_NUMBER (final_rethrow));

1
gcc/except.h
View File

@ -173,6 +173,7 @@ void set_exception_version_code PROTO((int));
typedef struct handler_info
{
rtx handler_label;
int handler_number;
void *type_info;
struct handler_info *next;
} handler_info;

5
gcc/integrate.c
View File

@ -99,12 +99,7 @@ get_label_from_map (map, i)
rtx x = map->label_map[i];
if (x == NULL_RTX)
{
push_obstacks_nochange ();
end_temporary_allocation ();
x = map->label_map[i] = gen_label_rtx();
pop_obstacks ();
}
return x;
}