Re: [Tinycc-devel] rv32 support in tcc

[Christian Jullien]

Interesting,

Googling a little bit, I've found that "Risc 64-bit architecture has the same 
Instruction length (32bits) but the registers of the CPU are 64 bits wide 
instead of being 32 bits wide as in risc 32-bit versions."
If they are close, I wonder if it is possible to have a single set of riscv 
files that handle 32/64 using a command line flag -m32/-64 to handle the (few?) 
cases where code generation differs?
I would say if 90% of the generated code is common, it may be interesting to 
handle 32/64 in the same files.

M2c

Christian.

-----Original Message-----
From: Tinycc-devel [mailto:tinycc-devel-bounces+eligis=orange.fr@nongnu.org] On 
Behalf Of Sam Ellicott
Sent: Sunday, February 27, 2022 20:23
To: tinycc-devel@nongnu.org
Cc: Sagar Acharya
Subject: Re: [Tinycc-devel] rv32 support in tcc

> I'm not aware of riscv32 32bit porting efforts but someone is perhaps busy 
> working on it.

I am currently (slowly) working on a port for riscv32. I haven't had
much free time lately, so progress has sort of stagnated, but the code
is here
https://github.com/sellicott/tcc-riscv32/

Thanks,
-Sam Ellicott
Soli Deo Gloria

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