From 1d9000e8238ffc346b0a08f4c0619c4e5711a7dc Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 23 Feb 2010 19:21:00 +0100
Subject: declare saved_env_reg as volatile

This ensures that the compiler does not move it away from
the "env = env1;" assignment.  Fixes a miscompilation
on gcc 4.4, reported by Jay Foad.

Cc: <jay.foad@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 cpu-exec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'cpu-exec.c')

diff --git a/cpu-exec.c b/cpu-exec.c
index 184bdde..5d6dd51 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -210,7 +210,7 @@ static void cpu_handle_debug_exception(CPUState *env)
 
 int cpu_exec(CPUState *env1)
 {
-    host_reg_t saved_env_reg;
+    volatile host_reg_t saved_env_reg;
     int ret, interrupt_request;
     TranslationBlock *tb;
     uint8_t *tc_ptr;
-- 
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