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linux-user: AArch64: Fix exclusive store of the zero register 

Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Janne Grunau 2014-02-20 10:35:56 +00:00 committed by Peter Maydell
parent 60510aed69
commit 2ea5a2ca1f
1 changed files with 4 additions and 2 deletions
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6
linux-user/main.c
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@ -953,7 +953,8 @@ static int do_strex_a64(CPUARMState *env)
goto finish;
}
}
val = env->xregs[rt];
/* handle the zero register */
val = rt == 31 ? 0 : env->xregs[rt];
switch (size) {
case 0:
segv = put_user_u8(val, addr);
@ -972,7 +973,8 @@ static int do_strex_a64(CPUARMState *env)
goto error;
}
if (is_pair) {
val = env->xregs[rt2];
/* handle the zero register */
val = rt2 == 31 ? 0 : env->xregs[rt2];
if (size == 2) {
segv = put_user_u32(val, addr + 4);
} else {