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Re: [Qemu-devel] [PATCH v6 07/17] target/m68k: add chk and chk2

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v6 07/17] target/m68k: add chk and chk2
Date: Wed, 3 Jan 2018 16:32:24 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0

On 01/03/2018 03:40 PM, Laurent Vivier wrote:
>> Did you examine the real hw change to the other flags?
> yes, C is modified, and the logic is:
>   C = 0 <= ub ? val < 0 || ub < val : val < 0 && ub < val;
> All other flags are not modified.
> I'm going to update the patch to reflect the change of N and C by the
> real hardware.

Ok, thanks.  Adding a comment to note following hw over and above the spec
would be appreciated.


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