[llvm-dev] Clang 5.0 support for armv8 64 bit with neon and auto vectorization

[Renato Golin via llvm-dev]

Adding some people that know about libcxx and/or windows on arm.

Cheers,
Renato

On 3 Feb 2017 18:15, "Haider Zeeshan (CC/ESM1) via llvm-dev" <
llvm-dev at lists.llvm.org> wrote:

> One more thing, setting up clang 5,0 on windows, I have issues compiling
> libcxx project.
>
> Is it supported to be built with Visual studio or MinGW make files?
>
> Mit freundlichen Grüßen / Best regards
>
> Zeeshan Haider
> CC/ESM1
>
> Tel. +49(711)811-47379
>
>
>
> -----Original Message-----
> From: Tim Northover [mailto:t.p.northover at gmail.com]
> Sent: Freitag, 3. Februar 2017 18:05
> To: Haider Zeeshan (CC/ESM1) <Zeeshan.Haider at de.bosch.com>
> Cc: llvm-dev at lists.llvm.org
> Subject: Re: [llvm-dev] Clang 5.0 support for armv8 64 bit with neon and
> auto vectorization
>
> Hi Haider,
>
> On 3 February 2017 at 07:13, Haider Zeeshan (CC/ESM1) <
> Zeeshan.Haider at de.bosch.com> wrote:
> > Being that said, can I be sure that for 64 bit arm architectures (e.g.
> arm cortex A57) the  neon feature and auto-vectorization is supported as
> default by clang 5.0?
>
> Yes, unless something has gone horribly wrong they will be. The obvious
> quick test would be to compile something trivial like
>
> void foo(float *arr) {
>   for (int i = 0; i < 128; ++i)
>     arr[i] += 1;
> }
>
> and look at the output.
>
> Tim.
> _______________________________________________
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> llvm-dev at lists.llvm.org
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>
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