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Re: [Tinycc-devel] Jump optimization questions - commit: 8227db3a

From: Ekaitz Zarraga
Subject: Re: [Tinycc-devel] Jump optimization questions - commit: 8227db3a
Date: Thu, 25 Aug 2022 19:40:12 +0000

Hi grischka,

> > vtop->r and vtop->cmp_r are used interchangeably in some parts of the 
> > codebase and I don't really understand why.
> I don't know where you see this?

I'm probably mistaken by the code I read. I'm having a hard time reading it 
> Also, what is "all the C constructs modern TinyCC is using nowadays" that
> 0.9.27 was not using and that prevent you from just porting your patches
> to current tcc?

I'm not adding anything but moving the RISC-V support to a really old GCC that 
we can compile with MesCC. MesCC is proven to work in older tcc versions but 
not in the most recent one so all our infrastructure is set up to work on that 
old TinyCC.

If you want to know more, you can take a look to:

I have not other chance at the moment but make this backport, as well as I 
already did with GCC.

Maybe this makes some more sense to you now you know.

Could you please help me understand how this internals work?

Thank you very much,

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