Re: [PATCH GIT 0.6] make use of register variables & size_t

• To: Petr Baudis <[email protected]>
• Subject: Re: [PATCH GIT 0.6] make use of register variables & size_t
• From: Pekka Enberg <[email protected]>
• Date: Mon, 25 Apr 2005 16:07:20 +0300
• Cc: Matthias-Christian Ott <[email protected]>, Linus Torvalds <[email protected]>, [email protected], Linux Kernel Mailing List <[email protected]>
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• In-reply-to: <[email protected]>
• References: <[email protected]> <[email protected]>
• Reply-to: Pekka Enberg <[email protected]>
• Sender: [email protected]

Hi,

On 4/25/05, Petr Baudis <[email protected]> wrote:
> Honestly, I don't think using the register keyword helps anything but to
> make the code less readable.

Indeed. The use of 'register' keyword blindly can actually make the
generated code _worse_ as it taking away one register from the
compiler's register allocator.

                        Pekka
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• References:
  • [PATCH GIT 0.6] make use of register variables & size_t
    • From: Matthias-Christian Ott <[email protected]>
  • Re: [PATCH GIT 0.6] make use of register variables & size_t
    • From: Petr Baudis <[email protected]>

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