linux-kernel - Re: [PATCH v3 00/16] Introduce and use generic parity16/32/64 helper

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Message-ID: <efc2ee9d-5382-457f-b471-f3c44b81a190@citrix.com>
Date: Fri, 7 Mar 2025 18:49:56 +0000
From: Andrew Cooper <andrew.cooper3@...rix.com>
To: hpa@...or.com
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Subject: Re: [PATCH v3 00/16] Introduce and use generic parity16/32/64 helper

> (int)true most definitely is guaranteed to be 1.

That's not technically correct any more.

GCC has introduced hardened bools that intentionally have bit patterns
other than 0 and 1.

https://gcc.gnu.org/gcc-14/changes.html

~Andrew