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From: Collin Funk <collin.funk1@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: master 86c4e5a2fb3: Fix implicit declaration of bswap_{32,64}
Date: Sat, 30 Mar 2024 01:44:16 -0700	[thread overview]
Message-ID: <68f9d9ed-5d13-42b0-9960-cc402b5c48f7@gmail.com> (raw)
In-Reply-To: <87le603ypo.fsf@linux-m68k.org>

On 3/30/24 1:34 AM, Andreas Schwab wrote:
>> Wouldn't it be better to use __builtin_bswap32 when it's available?
> The compiler is smart enough to do that by itself.

The macro would evaluate it's arguments multiple times though right?

This line:

    uint32_t result = bswap_32 (value++);

should increment 'value' once, but would do it four times with a
macro.

Collin



  reply	other threads:[~2024-03-30  8:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-30  8:16 master 86c4e5a2fb3: Fix implicit declaration of bswap_{32,64} Eli Zaretskii
2024-03-30  8:34 ` Andreas Schwab
2024-03-30  8:44   ` Collin Funk [this message]
2024-03-30 16:44 ` Paul Eggert

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