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authorPaolo Bonzini <pbonzini@redhat.com>2010-02-23 19:21:00 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2010-02-23 13:23:29 -0600
commit1d9000e8238ffc346b0a08f4c0619c4e5711a7dc (patch)
tree2158b67e6676519bc74ab0d73813972e9e85b725 /cpu-exec.c
parent3399e30f562df9f67ccad4d4f4367d31120f996f (diff)
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>
Diffstat (limited to 'cpu-exec.c')
-rw-r--r--cpu-exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cpu-exec.c b/cpu-exec.c
index 184bddea31..5d6dd514ff 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;