On 04/04/2012 09:46 AM, Richard Guenther wrote: > If that is the only reason you can return two values by using a complex > or vector type (that would be only an IL implementation detail as far > as I can see). > We use that trick to get sincos () "sane" in our IL as well.
That would work if the two values were of the same type, as they are with sincos. In the case of compare_exchange, they are not. r~