Re: [PATCH bpf-next] bpf: abstract loop unrolling pragmas in BPF selftests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 2024-02-08 at 13:55 +0100, Jose E. Marchesi wrote:
[...]

> However, it would be good if some clang wizard could confirm what
> impact, if any, #pragma unroll (aka #pragma clang loop unroll(enabled))
> has over -O2, before ditching these pragmas from the selftests.

I compiled sefltests both with and without this patch,
there are no differences in disassembly of generated BPF object files.
(using current clang main).

[...]





[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux