[cfe-dev] OpenCL 'select' as a builtin?

[Anastasia Stulova via cfe-dev]

Wondering if it would make sense to share __builtin_select among languages, assuming it has the same format...

Anastasia

From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of Demikhovsky, Elena via cfe-dev
Sent: 13 June 2016 12:25
To: Martin.ORiordan at Movidius.com
Cc: cfe-dev
Subject: Re: [cfe-dev] OpenCL 'select' as a builtin?

No, there is no such intrinsic yet. We also need it for AVX-512 masked intrinsics.
So it is worth to add.
We use __builtin_ia32_select[b|w|d..]* meanwhile, which are not polymorphic.
See http://reviews.llvm.org/D21060.


-           Elena

From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of Martin J. O'Riordan via cfe-dev
Sent: Saturday, June 11, 2016 08:05
To: 'Clang Dev' <cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org>>
Subject: [cfe-dev] OpenCL 'select' as a builtin?

Is there a builtin for CLang that implements the same semantics as OpenCL's "select" function, but which can be used from C and C++?

I tried the obvious name '__builtin_select' but that doesn't exist, and a trawl through the online docs didn't reveal anything either.

Thanks,

            MartinO


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