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Re: [JITTER] `switch' dispatch model doesn't work

From: Luca Saiu
Subject: Re: [JITTER] `switch' dispatch model doesn't work
Date: Thu, 06 May 2021 00:24:20 +0200
User-agent: Gnus (Gnus v5.13), GNU Emacs 27.0.50, x86_64-pc-linux-gnu

On 2021-05-06 at 00:08 +0200, Jose E. Marchesi wrote:

> So, the error/segfault happens because -O0 can NOT be used with
> non-threading right?

I thought that in my example Makefile.am I had correctly ordered CFLAGS
and JITTER_CFLAGS so that JITTER_CFLAGS takes precedence in case of
contradictions, and any optimisation option different from what is
required is automatically undone.

That part of the design is not recent, and I only have a vague
recollection of it now.  I remember being pleasantly surprised by the
fact that such a solution in fact existed.  I may have discussed about
this with you or with some other friend, maybe Alfred.

Anyway a reliable solution is simple: compiling vm2.c (and only that:
the rest is not critical) with JITTER_CFLAGS *only*.

No, no-threading code can not be compiled without optimisation.  It is a
matter of correctness, not performance.  The same holds for

Luca Saiu
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