On Monday, 14 September 2015 at 18:24:00 UTC, Andrei Alexandrescu
wrote:
On 09/14/2015 07:32 AM, burjui wrote:
On Sunday, 13 September 2015 at 17:16:40 UTC, Daniel N wrote:
int opCmp(Foo rhs)
{
return (id > rhs.id) - (id < rhs.id);
}
IMO, subtracting boolean values is bad code style
I love it! -- Andrei
Beside loving, it, this has good ILP, no branches, and have nice
codegen on most CPUs.
I was surprised to find that style in jemalloc, and compared to
various alternatives. The only way I was able to get better is by
ignoring (and by extension getting invalid results) overflow.
