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[lwip-devel] [bug #54190] Minor compile warnings under newly-released IA
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From: |
Simon Goldschmidt |
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Subject: |
[lwip-devel] [bug #54190] Minor compile warnings under newly-released IAR EWARM 8.30.1 |
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Date: |
Thu, 28 Jun 2018 15:25:18 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36 |
Follow-up Comment #3, bug #54190 (project lwip):
On 27.06.2018 22:12, Ray Ozzie wrote:
> I apologize for not being able to make this easier.
>
> Although I haven’t tested any fixes myself, it appears that the core issue
is the technique of generating a ~ mask from a constant (Ie interpreted by the
compiler as size_t or whatnot), and then assigning the masked value into
something smaller (ie uint8) is flagged as potentially losing significant
bits. I believe a cast may be needed on all these mask ops.
>
> If you have anything you’d like me to try, I’m happy to take the fix and
tweak it as necessary and get it back to you.
>
> Thanks much.
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