From 99599ef373f0b67e90ccbb9b0e8fb3959988ecca Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 6 Apr 1999 22:10:24 +0000
Subject: [PATCH] * expr.c (expand_builtin_setjmp): Put setjmp return
label on nonlocal_goto_handler_labels for flow.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26225 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/expr.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/gcc/expr.c b/gcc/expr.c
index d2ebdc31b73a..8d5fa10b4cb5 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8442,7 +8442,7 @@ expand_builtin_setjmp (buf_addr, target, first_label, next_label)
(gen_rtx_MEM (Pmode,
plus_constant (buf_addr,
GET_MODE_SIZE (Pmode)))),
- gen_rtx_LABEL_REF (Pmode, lab1));
+ force_reg (Pmode, gen_rtx_LABEL_REF (Pmode, lab1)));
stack_save = gen_rtx_MEM (sa_mode,
plus_constant (buf_addr,
@@ -8461,8 +8461,13 @@ expand_builtin_setjmp (buf_addr, target, first_label, next_label)
emit_barrier ();
emit_label (lab1);
- /* Tell flow about the strange goings on. */
+ /* Tell flow about the strange goings on. Putting `lab1' on
+ `nonlocal_goto_handler_labels' to indicates that function
+ calls may traverse the arc back to this label. */
+
current_function_has_nonlocal_label = 1;
+ nonlocal_goto_handler_labels =
+ gen_rtx_EXPR_LIST (VOIDmode, lab1, nonlocal_goto_handler_labels);
/* Clobber the FP when we get here, so we have to make sure it's
marked as used by this function. */
--
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