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target/cris: Do not exit tb for X_FLAG changes 

We always know the exact value of X, that's all that matters.
This avoids splitting the TB e.g. between "ax" and "addq".

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-06-22 08:25:13 -07:00
parent 0ce97a315f
commit 5f5a05cdd9
1 changed files with 0 additions and 3 deletions
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3
target/cris/translate.c
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@ -3162,9 +3162,6 @@ static void cris_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
cris_clear_x_flag(dc);
}
/* Fold unhandled changes to X_FLAG into cpustate_changed. */
dc->cpustate_changed |= dc->flags_x != (dc->base.tb->flags & X_FLAG);
/*
* All branches are delayed branches, handled immediately below.
* We don't expect to see odd combinations of exit conditions.