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sparc64 flush pending conditional evaluations before exposing cpu state

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If translation block is interrupted by e.g. mmu exception
we need to compute conditional flags for inclusion into
saved cpu state. Otherwise after return from trap
conditional instructions would use stale psr/xcc data.

Signed-off-by: igor.v.kovalenko@gmail.com

--
Kind regards,
Igor V. Kovalenko
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Igor Kovalenko 2009-07-29 01:32:23 +04:00 committed by Anthony Liguori
parent 0ea2326a2c
commit b9369a384b
1 changed files with 5 additions and 0 deletions
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5
target-sparc/translate.c
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@ -4908,4 +4908,9 @@ void gen_pc_load(CPUState *env, TranslationBlock *tb,
} else {
env->npc = npc;
}
/* flush pending conditional evaluations before exposing cpu state */
if (CC_OP != CC_OP_FLAGS) {
helper_compute_psr();
}
}