On 07/19/2016 12:00 PM, Ali Çehreli wrote:
> On 07/19/2016 10:41 AM, deadalnix wrote:
>> if(i < other.i) return -1;
>> if(i > other.i) return 1;
>>
>> Should be
>>
>> (i > other.i) - (i < other.i)
>>
>> Surprisingly, LLVM was unable to optimize one into the other in my
tests.
If you mean the following, it's slower with ldc:
const r = (i > other.i) - (i < other.i) ;
if (r) return r;
> Additionally, the string may be traversed twice in opCmp. The following
> change makes D example faster:
>
> import std.algorithm : cmp;
> return cmp(s, other.s);
> // return s < other.s
> // ? -1
> // : (s > other.s ? 1 : 0);
Faster with dmd but has no difference with ldc.
Ali
