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Re: [PATCH 02/36] target/arm: Don't allow Thumb Neon insns without FEATU


From: Richard Henderson
Subject: Re: [PATCH 02/36] target/arm: Don't allow Thumb Neon insns without FEATURE_NEON
Date: Thu, 30 Apr 2020 11:22:17 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 4/30/20 11:09 AM, Peter Maydell wrote:
> We were accidentally permitting decode of Thumb Neon insns even if
> the CPU didn't have the FEATURE_NEON bit set, because the feature
> check was being done before the call to disas_neon_data_insn() and
> disas_neon_ls_insn() in the Arm decoder but was omitted from the
> Thumb decoder.  Push the feature bit check down into the called
> functions so it is done for both Arm and Thumb encodings.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/translate.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>

r~



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