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except.c (nothrow_function_p): If -fno-exceptions, just return.

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* except.c (nothrow_function_p): If -fno-exceptions, just return.
        (init_eh_nesting_info): Likewise.

From-SVN: r32454
This commit is contained in:
Jason Merrill 2000-03-09 20:37:06 +00:00 committed by Jason Merrill
parent 12a22e76d6
commit fac62ecf5f
2 changed files with 12 additions and 0 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
2000-03-09 Jason Merrill <jason@casey.cygnus.com>
* except.c (nothrow_function_p): If -fno-exceptions, just return.
(init_eh_nesting_info): Likewise.
* tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
(TREE_NOTHROW): Rename from TREE_RAISES.
* toplev.c (rest_of_compilation): Set it.

9
gcc/except.c
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@ -2651,6 +2651,9 @@ nothrow_function_p ()
{
rtx insn;
if (! flag_exceptions)
return 1;
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
if (can_throw (insn))
return 0;
@ -3185,6 +3188,7 @@ in_same_eh_region (insn1, insn2)
yet. At some point in the future we can trim out handlers which we
know cannot be called. (ie, if a block has an INT type handler,
control will never be passed to an outer INT type handler). */
static void
process_nestinfo (block, info, nested_eh_region)
int block;
@ -3263,6 +3267,7 @@ process_nestinfo (block, info, nested_eh_region)
/* This function will allocate and initialize an eh_nesting_info structure.
It returns a pointer to the completed data structure. If there are
no exception regions, a NULL value is returned. */
eh_nesting_info *
init_eh_nesting_info ()
{
@ -3273,6 +3278,9 @@ init_eh_nesting_info ()
rtx insn;
int x;
if (! flag_exceptions)
return 0;
info = (eh_nesting_info *) xmalloc (sizeof (eh_nesting_info));
info->region_index = (int *) xcalloc ((max_label_num () + 1), sizeof (int));
nested_eh_region = (int *) xcalloc (max_label_num () + 1, sizeof (int));
@ -3343,6 +3351,7 @@ init_eh_nesting_info ()
HANDLERS is the address of a pointer to a vector of handler_info pointers.
Upon return, this will have the handlers which can be reached by block.
This function returns the number of elements in the handlers vector. */
int
reachable_handlers (block, info, insn, handlers)
int block;