* Richard Henderson <richard.hender...@linaro.org>:
> PSW_X is cleared after every instruction, and only set by RFI.
> PSW_B is cleared after every non-branch, or branch not taken,
> and only set by taken branches.  We can clear both bits with a
> single store, at most once per TB.  Taken branches set PSW_B,
> at most once per TB.
> 
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>

Reviewed-by: Helge Deller <del...@gmx.de>

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