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Re: Enlarge MAX_ALLOCA?

From: Eli Zaretskii
Subject: Re: Enlarge MAX_ALLOCA?
Date: Thu, 19 Jun 2014 20:51:56 +0300

> From: David Kastrup <address@hidden>
> Cc: address@hidden
> Date: Thu, 19 Jun 2014 19:36:55 +0200
> Eli Zaretskii <address@hidden> writes:
> >> As I said: there are architectural reasons (short addressing mode)
> >> making somewhat less than 32kB a good choice on some architectures.
> >
> > But do we support such architectures?  I think we don't.
> (info "(gcc) Machine constraints") lists a lot of architectures having
> constraints (and consequently instructions) with 16-bit offsets.

The mere existence of such instructions doesn't mean they contradict
large buffers allocated off the stack.

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