git: af366d353b84 - main - amd64: implement strlen in assembly
Mateusz Guzik
mjguzik at gmail.com
Tue Feb 9 15:49:31 UTC 2021
On 2/9/21, Jessica Clarke <jrtc27 at freebsd.org> wrote:
> Here's your review after reading through it for <5 minutes today:
>
> On 8 Feb 2021, at 19:15, Mateusz Guzik <mjg at FreeBSD.org> wrote:
>> + leaq (%r11,%r8),%rcx
>> + notq %r11
>> + andq %r11,%rcx
>> + andq %r9,%rcx
>> ...
>> + leaq (%r11,%r8),%rcx
>> + notq %r11
>> + andq %rcx,%r11
>
> These look the wrong way round (but you got it the right way round
> above).
>
Indeed, solid brainfart. Interesting this still passed the test suite.
Thank you for noting this.
However, your response does not really address any of the points I
raised in my e-mail.
>> + andq %r9,%rcx
>
> Jess
>
>
--
Mateusz Guzik <mjguzik gmail.com>
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