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Re: [PATCH 12/15] target/arm: Factor out preserve-fp-state from full_vfp


From: Richard Henderson
Subject: Re: [PATCH 12/15] target/arm: Factor out preserve-fp-state from full_vfp_access_check()
Date: Tue, 17 Nov 2020 11:50:13 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 11/16/20 8:08 AM, Peter Maydell wrote:
> Factor out the code which handles M-profile lazy FP state preservation
> from full_vfp_access_check(); accesses to the FPCXT_NS register are
> a special case which need to do just this part (corresponding in the
> pseudocode to the PreserveFPState() function), and not the full
> set of actions matching the pseudocode ExecuteFPCheck() which
> normal FP instructions need to do.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  target/arm/translate-vfp.c.inc | 45 ++++++++++++++++++++--------------
>  1 file changed, 27 insertions(+), 18 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~




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