Re: [pcre-dev] Compiler warnings in JIT with NEON instructio…

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Author: Sebastian Pop
Date:  
To: Petr Pisar via Pcre-dev, Zoltán Herczeg, Petr Pisar
Subject: Re: [pcre-dev] Compiler warnings in JIT with NEON instructions
Please find attached the patch with recommended fixes from Petr.

Thanks,
Sebastian

On Mon, Nov 11, 2019 at 8:47 AM Sebastian Pop <sebpop@???> wrote:
>
> On Mon, Nov 11, 2019 at 7:23 AM Petr Pisar via Pcre-dev
> <pcre-dev@???> wrote:
> > Maybe the label definition should be guarded with #if defined(FF_UTF).
> >
>
> Yes, you are right. I will send an updated patch.
>
> >
> > And this warning is more worrysome:
> >
> > In file included from src/pcre2_jit_compile.c:5522:
> > src/pcre2_jit_simd_inc.h: In function 'shift_left_n_lanes':
> > src/pcre2_jit_simd_inc.h:871:1: warning: control reaches end of non-void function [-Wreturn-type]
> >   871 | }
> >       | ^

> >
> > Shouldn't the vect_t shift_left_n_lanes(vect_t a, sljit_u8 n) function return a?
>
> I will add an assert that there are no more other cases to handle in the switch
> and then add a `default: return a;`.
>
> Thanks Petr for testing.
>
> Sebastian