Re: jitter generates GCC-only code in pvm-vm2.c

[Luca Saiu]

On 2021-02-23 at 20:58 +0100, Luca Saiu wrote:

> The compiler on which this fails must be one of the rare ones where the
> best dispatch is in fact switch.  Right now the only one like that I can
> test is TCC, and even that only because (bizarrely) for TCC the
> *difference* of the address of two labels is not a constant expression;

Thinking again, the problem here seems to be exactly the same.

Let me play it safe for the release and add an explicit feature check,
disabling direct-threading if the difference between two label address
is not a constant expression.

Committed.

-- 
Luca Saiu
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