Does dmd have SSE intrinsics?

[Jeremie Pelletier]

Andrei Alexandrescu wrote:
> Daniel Keep wrote:
>> Andrei Alexandrescu wrote:
>>> Daniel Keep wrote:
>>>> P.S. And another thing while I'm at it: why can't we declare void
>>>> variables?  This is another thing that really complicates generic code.
>>> How would you use them?
>>>
>>>
>>> Andrei
>>
>> Here's an OLD example:
>>
>> ReturnType!(Fn) glCheck(alias Fn)(ParameterTypeTuple!(Fn) args)
>> {
>>     alias ReturnType!(Fn) returnT;
>>
>>     static if( is( returnT == void ) )
>>         Fn(args);
>>     else
>>         auto result = Fn(args);
>>
>>     glCheckError();
>>
>>     static if( !is( returnT == void ) )
>>         return result;
>> }
>>
>> This function is used to wrap OpenGL calls so that error checking is
>> performed automatically.  Here's what it would look like if we could use
>> void variables:
>>
>> ReturnType!(Fn) glCheck(alias Fn)(ParameterTypeTuple!(Fn) args)
>> {
>>     auto result = Fn(args);
>>
>>     glCheckError();
>>
>>     return result;
>> }
> 
> ReturnType!(Fn) glCheck(alias Fn)(ParameterTypeTuple!(Fn) args)
> {
>     scope(exit) glCheckError();
>     return Fn(args);
> }
> 
> :o)
> 
> 
> Andrei

Calling into a framehandler for such a trivial routine, especially if 
used with real time rendering, is definitely not a good idea, no matter 
how elegant its syntax is!