Re: netronome/nfp/bpf/jit.c cannot be build with -O3

From: Jakub Kicinski
Date: Mon May 06 2019 - 17:01:17 EST

On Mon, 06 May 2019 21:40:07 +0200, Oleksandr Natalenko wrote:
> Hi.
> Obligatory disclaimer: building the kernel with -O3 is a non-standard
> thing done via this patch [1], but I've asked people in #kernelnewbies,
> and it was suggested that the issue should be still investigated.
> So, with v5.1 kernel release I cannot build the kernel with -O3 anymore.
> It fails as shown below:

Any chance you could try different compiler versions? The code in
question does not look too unusual. Could you try if removing
FIELD_FIT() on line 326 makes a difference?