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authorobrien <obrien@FreeBSD.org>2001-01-03 17:16:04 +0000
committerobrien <obrien@FreeBSD.org>2001-01-03 17:16:04 +0000
commite103926ab58446425b46d5df55c940db3abeff84 (patch)
tree46177f22832f755e34be042b91555eedf10b4f66 /contrib/gcc/except.c
parentd566d0a5f8c3f4d187ecbf8096628e9ae9dd3567 (diff)
downloadFreeBSD-src-e103926ab58446425b46d5df55c940db3abeff84.zip
FreeBSD-src-e103926ab58446425b46d5df55c940db3abeff84.tar.gz
Enlist the FreeBSD-CURRENT users as testers of GCC 2.95.3 Release Candidate #1
Diffstat (limited to 'contrib/gcc/except.c')
-rw-r--r--contrib/gcc/except.c57
1 files changed, 38 insertions, 19 deletions
diff --git a/contrib/gcc/except.c b/contrib/gcc/except.c
index f7d78d6..cc6fc29 100644
--- a/contrib/gcc/except.c
+++ b/contrib/gcc/except.c
@@ -723,21 +723,41 @@ static void
receive_exception_label (handler_label)
rtx handler_label;
{
+ rtx around_label = NULL_RTX;
+
+ if (! flag_new_exceptions || exceptions_via_longjmp)
+ {
+ around_label = gen_label_rtx ();
+ emit_jump (around_label);
+ emit_barrier ();
+ }
+
emit_label (handler_label);
-#ifdef HAVE_exception_receiver
if (! exceptions_via_longjmp)
- if (HAVE_exception_receiver)
- emit_insn (gen_exception_receiver ());
+ {
+#ifdef HAVE_exception_receiver
+ if (HAVE_exception_receiver)
+ emit_insn (gen_exception_receiver ());
+ else
#endif
-
#ifdef HAVE_nonlocal_goto_receiver
- if (! exceptions_via_longjmp)
- if (HAVE_nonlocal_goto_receiver)
- emit_insn (gen_nonlocal_goto_receiver ());
+ if (HAVE_nonlocal_goto_receiver)
+ emit_insn (gen_nonlocal_goto_receiver ());
+ else
#endif
-}
+ { /* Nothing */ }
+ }
+ else
+ {
+#ifndef DONT_USE_BUILTIN_SETJMP
+ expand_builtin_setjmp_receiver (handler_label);
+#endif
+ }
+ if (around_label)
+ emit_label (around_label);
+}
struct func_eh_entry
{
@@ -1320,7 +1340,7 @@ static void
start_dynamic_handler ()
{
rtx dhc, dcc;
- rtx x, arg, buf;
+ rtx arg, buf;
int size;
#ifndef DONT_USE_BUILTIN_SETJMP
@@ -1362,18 +1382,17 @@ start_dynamic_handler ()
buf = plus_constant (XEXP (arg, 0), GET_MODE_SIZE (Pmode)*2);
#ifdef DONT_USE_BUILTIN_SETJMP
- x = emit_library_call_value (setjmp_libfunc, NULL_RTX, 1, SImode, 1,
- buf, Pmode);
- /* If we come back here for a catch, transfer control to the handler. */
- jumpif_rtx (x, ehstack.top->entry->exception_handler_label);
-#else
{
- /* A label to continue execution for the no exception case. */
- rtx noex = gen_label_rtx();
- x = expand_builtin_setjmp (buf, NULL_RTX, noex,
- ehstack.top->entry->exception_handler_label);
- emit_label (noex);
+ rtx x;
+ x = emit_library_call_value (setjmp_libfunc, NULL_RTX, LCT_CONST,
+ TYPE_MODE (integer_type_node), 1,
+ buf, Pmode);
+ /* If we come back here for a catch, transfer control to the handler. */
+ jumpif_rtx (x, ehstack.top->entry->exception_handler_label);
}
+#else
+ expand_builtin_setjmp_setup (buf,
+ ehstack.top->entry->exception_handler_label);
#endif
/* We are committed to this, so update the handler chain. */
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