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Re: [Qemu-devel] [PATCH v5 16/76] target/mips: Mark switch fallthroughs

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v5 16/76] target/mips: Mark switch fallthroughs with interpretable comments
Date: Mon, 30 Jul 2018 16:37:29 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 07/30/2018 12:11 PM, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <address@hidden>
> Mark switch fallthroughs with comments, in cases fallthroughs
> are intentional.
> The comments "/* fall through */" are interpreted by compilers and
> other tools, and they will not issue warnings in such cases. For gcc,
> the warning is turnend on by -Wimplicit-fallthrough. With this patch,
> there will be no such warnings in target/mips directory. If such
> warning appears in future, it should be checked if it is intentional,
> and, if yes, marked with a comment similar to those from this patch.
> The comment must be just before next "case", otherwise gcc won't
> understand it.
> Signed-off-by: Aleksandar Markovic <address@hidden>
> Signed-off-by: Stefan Markovic <address@hidden>
> ---
>  target/mips/translate.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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