From 41439bf6a6479263d57f27bbd3bc75f31de780fd Mon Sep 17 00:00:00 2001
From: Andreas Krebbel <krebbel1@de.ibm.com>
Date: Mon, 1 Dec 2003 16:20:42 +0000
Subject: [PATCH] builtins.c (expand_builtin_longjmp): Added two memory
clobbers.
2003-12-01 Andreas Krebbel <krebbel1@de.ibm.com>
* builtins.c (expand_builtin_longjmp): Added two memory clobbers.
From-SVN: r74108
---
gcc/ChangeLog | 4 ++++
gcc/builtins.c | 7 +++++++
2 files changed, 11 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 545d9f11c3c2..989c689fb630 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-12-01 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * builtins.c (expand_builtin_longjmp): Added two memory clobbers.
+
2003-12-01 Ulrich Weigand <uweigand@de.ibm.com>
* reload.c (find_reloads_address): Split addresses of type
diff --git a/gcc/builtins.c b/gcc/builtins.c
index a48c5af9a543..5c9971acdb7f 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -710,6 +710,13 @@ expand_builtin_longjmp (rtx buf_addr, rtx value)
{
lab = copy_to_reg (lab);
+ emit_insn (gen_rtx_CLOBBER (VOIDmode,
+ gen_rtx_MEM (BLKmode,
+ gen_rtx_SCRATCH (VOIDmode))));
+ emit_insn (gen_rtx_CLOBBER (VOIDmode,
+ gen_rtx_MEM (BLKmode,
+ hard_frame_pointer_rtx)));
+
emit_move_insn (hard_frame_pointer_rtx, fp);
emit_stack_restore (SAVE_NONLOCAL, stack, NULL_RTX);
--
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