Hi Ali,

For the process of compiling Windows on the ARM instruction set 
architecture it's about
instructing your compiler (e.g gcc or clang) to build your kernel code for 
the correct
CPU / hardware platform. There is no ARM toolchain per se, modern compilers 
can do well
cross-platform compilation (at least building on x86-64 and targeting ARM). 
Then it's
a bit of linker magic.

About the usage of x86-specific assembly functions in the bitcoin core 
codebase, I think
there are some in the secp256k1 library about some scalar optimizations.

That might interest you: 
https://groups.google.com/g/bitcoindev/c/fOIByS6COMk It's less
about compiling the whole machinery of bitcoin core itself and more focus 
on the libbitcoinkernel
engine, though including RISC-V support for the consensus engine 
compilation would be a
significant improvement, imho.

Best,
Antoine
ots hash: d507461412e46e21156e9e2de5d65584c27d0cbca75d2e810f514fe8e077c9bd
Le jeudi 21 novembre 2024 à 09:04:26 UTC, Ali Sherief a écrit :

> Apparently, there are only ARM binaries for Linux but not for Windows.
>
> Considering that Apple Silicon is basically ARM as well, that means ARM 
> binaries are produced for all the major operating systems except for 
> Windows.
>
> What would the process of compiling Windows with the ARM toolchain look 
> like? Do any of these methods have Arm64 support?
>
> > On Linux, using the Mingw-w64 cross compiler tool chain.
> > On Windows, using Windows Subsystem for Linux (WSL) and Mingw-w64.
> > On Windows, using Microsoft Visual Studio. See build-windows-msvc.md.
>
> These are from the Windows build guide by the way.
>
> I suppose Visual Studio might support ARM, but perhaps there are some 
> x86-specific assembly functions used inside the codebase which might make 
> it difficult to build.
>
> - Ali
>

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