On 19 February 2016 at 06:29, John Lenz <[email protected]> wrote:
> However, at the CPU level, it seems like you would be better pushing an > return address for a special function that indicated the start of a > sequence of tail calls. That way you trade only some > complexity/performance for tail calls (an inspection of the last entry of > the call stack) and some stack frame building complexity (to recognize this > "special" frame). > There is no way of knowing, neither statically nor dynamically, that you are at "the start of a sequence of tail calls". And doing it for every tail call would of course defeat tail calls. /Andreas
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