1. If you are on Windows you have to make your own build files. You can't
cross-compile using the CMake build system, but you can with the make build
system on Linux.
On Tue, Apr 28, 2015 at 12:16 PM, Solra Bizna <solra at bizna.name> wrote:
> I'm developing something for an ARMv7-A system in big-endian mode.
I'm
> trying to use clang as the compiler for it. Things have been going
> well so far, but I've hit a point where the generated code is
> depending on functions which are implemented in compiler-rt. Since I'm
> doing the building on an amd64 machine, the compiler-rt that I have
> only targets x86/amd64. So, I have three overlapping questions:
>
> 1. How do I build a compiler-rt for my target processor?
>
> 2. Since my target processor supports the hardware divide
> instructions, what specific steps do I need to take to ensure that
> compiler-rt will use them? (Same applies for several other instruction
> set extensions.)
>
> 3. Since (again) my target processor supports the hardware divide
> instructions, is there a way to get LLVM's code generator to use them
> directly instead of calling the EABI division functions? (Same applies
> for several other instruction set extensions.)
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