Re: Tuple and changes for m68k with -malign-int

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

On Tue, 2025-05-20 at 19:55 +1000, Finn Thain wrote:
> On Tue, 20 May 2025, John Paul Adrian Glaubitz wrote:
> 
> > > As for gccgo, has that ever worked on m68k?
> > 
> > Yes.
> > 
> 
> Why is an ABI change needed to get it to work again?

Because software changes over time. Qt used to work with 2 bytes alignment
as well when it had less features.

> > > Other language runtimes work fine on the m68k ABI. Why is Rust 
> > > special?
> > 
> > You mean other languages such as JavaScript, Go, Java, Python and 
> > WebKit?
> > 
> > No, they don't work fine on m68k.
> > 
> 
> Python works -- you patched it yourself! -- it doesn't need a special ABI.

Yes, I had to PATCH it. That's the point, Finn.

> As for the Java runtime etc. I've never tried to install them on m68k but 
> I know they were ported to a variety of ABIs with a variety of alignment 
> rules, that do not guarantee natural alignment of integer types.

I see. Since you haven't tested it, it means the bug doesn't exist.

Gotcha.

Adrian

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