On 2016-11-23 18:04, ketmar wrote:
> On Wednesday, 23 November 2016 at 15:29:48 UTC, Jacob Carlborg wrote:
>> There's builtin.d [1] as well. When is which one used?
>
> builtin is used for CTFE.

Aha, I see, thanks.

-- 
/Jacob Carlborg

On Wednesday, 23 November 2016 at 19:57:15 UTC, tsbockman wrote:
> On Wednesday, 23 November 2016 at 00:52:15 UTC, Walter Bright wrote:
>> Consider the code:
>>
>>   import core.bitop;
>>
>>   int foo(int v) {
>>     return core.bitop.bsf(v);
>>   }
>>
>> Compiling:
>>
>>   dmd foo.d -c
>>   obj2asm foo.obj
>>
>> yields:
>>
>>   _D5bug113fooFiZi        comdat
>>                 bsf     EAX,AL
>>                 ret
>>
>> Meaning the bsf() intrinsic is properly detected and used.
>
> I did some additional testing, and it seems that the bsf and bsr intrinsics are only working *sometimes* on DMD master:
>     https://issues.dlang.org/show_bug.cgi?id=16743

Thank you for filling the bug

On 11/23/2016 11:57 AM, tsbockman wrote:
> I did some additional testing, and it seems that the bsf and bsr intrinsics are
> only working *sometimes* on DMD master:
>     https://issues.dlang.org/show_bug.cgi?id=16743

Yeah, you're right. Will fix.