SIMD intrinsics

[via digitalmars-d-ldc]

On Monday, 9 February 2015 at 10:00:07 UTC, David Nadlinger wrote:
> On Monday, 9 February 2015 at 09:43:26 UTC, Ola Fosheim Grøstad 
> wrote:
>> ldc.gccbuiltins_x86.di does not contain:
>>
>> __m256 _mm256_add_ps (__m256 a, __m256 b)
>> #include "immintrin.h"
>> Instruction: vaddps ymm, ymm, ymm
>> CPUID Flags: AVX
>>
>> But it does contain less important instructions such a 256bit 
>> "addsub".
>>
>> I am trying to build up a set of standard Intel intrinsics, 
>> but not sure how to work around this (or did I miss something?)
>
> Unfortunately, LLVM only offers intrinsics for operations that 
> are not expressible in standard LLVM IR.

Thanks, I found a "role model" here:

https://llvm.org/svn/llvm-project/cfe/trunk/lib/Headers/avxintrin.h

I guess I will just have to look at that and make my own version.