simd and dmd compiler v 2.066 and 2.067.0-b1
John Colvin via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Mon Nov 3 08:54:21 PST 2014
On Monday, 3 November 2014 at 15:33:00 UTC, Laeeth Isharc wrote:
> Hi.
>
> Not sure if my code is correct - I wanted to build the simplest
> working example of simd use. The following compiles and works
> under ldc (I have not disassessembled the result to see if it
> is using simd instructions), but generates a compiler error
> under dmd (2.066 and 2.067.0-b1 running under Fedora 20).
>
> The only message is:
>
> "Internal error: backend/el.c 2874"
>
> Let me know if you think the code is okay, and if so I will see
> if I can figure out how to generate a bug report (if it's not
> something already known).
>
> Thanks.
>
>
> Laeeth.
>
>
>
>
>
> import std.stdio;
> import core.simd;
>
> void main()
> {
> short8 vec;
> foreach(i;0..8)
> {
> vec.ptr[i]=cast(short)i;
> }
> vec=3*vec;
> foreach(i;0..8)
> {
> writefln("%s",vec.ptr[i]);
> }
> }
It looks OK to me.
Whether or not the code is correct, any internal compiler error
or segfault is a bug.
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