That did the trick. My "count up" program now consists of int_eq, a guard and int_add, that's what I wanted to see. Thanks!
Timothy On Sun, Feb 23, 2014 at 1:06 AM, Armin Rigo <ar...@tunes.org> wrote: > Hi Timothy, > > On 23 February 2014 01:24, Timothy Baldridge <tbaldri...@gmail.com> wrote: > > I tried digging into the PyPy source to find how how this is done there, > but > > I haven't been able to find it yet. > > pypy/interpreter/pyframe.py: self.locals_stack_w. The trick is that > it's an attribute of a "frame" class, which is itself turned into a > virtualizable with a special declaration about the attribute. See > ``PyFrame._virtualizable_ = ['locals_stack_w[*]']'' in > pypy/module/pypyjit/interp_jit.py. It's currently the only way to > trigger special behavior about the list: you have to make it a > special attribute of a virtualizable "frame" class. > > > A bientôt, > > Armin. > -- "One of the main causes of the fall of the Roman Empire was that-lacking zero-they had no way to indicate successful termination of their C programs." (Robert Firth)
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