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Why __builtin_memcmp() is forbidden? #32624

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tacslon opened this issue May 20, 2024 · 1 comment
Closed

Why __builtin_memcmp() is forbidden? #32624

tacslon opened this issue May 20, 2024 · 1 comment

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@tacslon
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tacslon commented May 20, 2024

@borkmann Hi, I saw __builtin_memcmp() is forbidden to use in this commit 239711b, and I have 2 questions:

  1. Why we do not use __builtin_memcmp() directly? Is there a risk of performance?
  2. Why we only support several specified value of N in __builtin_memcmp() (values in switch-case block)?

Thanks!
@lmb
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lmb commented May 21, 2024

This is a bug / issue tracker for Cilium, please try the development channel on our Slack.

@lmb lmb closed this as completed May 21, 2024
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@lmb @tacslon