[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Compilation to native
From: |
Matthew Mundell |
Subject: |
Re: Compilation to native |
Date: |
16 Apr 2004 16:06:41 +0100 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 |
Stefan Monnier <address@hidden> writes:
> > Do the 1 and 2 byte constants for stack_ref, stack_set and stack_set2
> > cater for the maximum size of the stack? Fbyte_code's maxdepth
> > parameter is a Lisp_Int, which suggests that the stack can be at least
> > as large as can be held in 29 bits. Is there perhaps some other
> > restriction on the stack size?
>
> The "stack" in Fbyte_code is really just the activation frame: every time
> you enter a new byte-coded function, a new "stack" is created (allocated on
> the C stack via alloca).
> So it's extremely unlikely that maxdepth will ever be anywhere near
> 2^29.
OK, so only something like inlined recursion would use those depths,
and even stack_ref's one byte is likely to cover the depths used in
every function.
- Re: Compilation to native, (continued)
- Re: Compilation to native, Matthew Mundell, 2004/04/13
- Re: Compilation to native, Stefan Monnier, 2004/04/13
- Re: Compilation to native, Matthew Mundell, 2004/04/13
- Re: Compilation to native, Miles Bader, 2004/04/13
- Re: Compilation to native, Miles Bader, 2004/04/13
- Re: Compilation to native, Matthew Mundell, 2004/04/14
- Re: Compilation to native, Matthew Mundell, 2004/04/16
- Re: Compilation to native, Miles Bader, 2004/04/13
- Re: Compilation to native, Matthew Mundell, 2004/04/16
- Re: Compilation to native, Stefan Monnier, 2004/04/16
- Re: Compilation to native,
Matthew Mundell <=
- Re: Compilation to native, Matthew Mundell, 2004/04/16