[metafont] Re: [metapost] recursion in MP/ MF [was: all
intersections between two paths]
lfinsto1 at gwdg.de
Tue Jan 18 10:09:12 CET 2005
On Tue, 18 Jan 2005, Lars Engebretsen wrote:
> It could depend on the backend. I'm not an expert in SPARC
> assembler, but it seems that with that back end, the stack frame
> for the current recursive call is removed during the delay slot
> corresponding to the next recursive function call.
> I generated the assembler code with
> g++ -S -foptimize-sibling-calls testrcrs.cc
> using gcc 3.4.2.
Thanks for your answer. Please excuse my obtuseness, but I don't
understand it. Does this mean that the compiler is causing tail recursion
to be performed? If so, is this disabled when you use the `-g' option?
Or does the problem lie with GDB?
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