[LLVMdev] Compile code for arm

[Amir Yazdanbakhsh]

Thanks Tim.

I just need the assembly file. Anyway, I still have problem with generating
assembly for the ARM without having any thumb and other fancy instructions.

Best Regards,
A. Yazdanbakhsh

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

PhD. Student
School of Electrical and Computer Engineering
University of Wisconsin-Madison
E-mail:     yazdanbakhsh at wisc.edu


<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<



On Sat, Dec 8, 2012 at 3:39 PM, Tim Northover <t.p.northover at gmail.com>wrote:

> Hi Amir,
>
> On Dec 8, 2012 8:13 PM, "Amir Yazdanbakhsh" <amir.yazdanbakhsh at gmail.com>
> wrote:
> > My problem is I am playing with the size of registerfile in ARM. I
> thought I can do it with only modifying the Target in the LLVM directory.
> But if it is going to use gcc-toolchain, then I need to modify them as well
> which is a huge work!
>
> That sort of depends how you modify it. If you just want to look at
> assembly output by clang then probably nothing in GCC needs modifying. All
> compiling to assembly relies on is the headers, which don't really have any
> specific information about the number of registers.
>
> If you want to produce valid executables in some sense, then it appears
> you've got two options (as well as quite a bit of work on an emulator
> anyway):
> 1. Add the registers using a currently UNDEFINED section of the
> instruction space. This way the existing GCC libraries will probably be
> functional, though you'll only be testing the efficiency of part of the
> system being upgraded.
> 2. Mangle encodings even more, in which case you will have to rebuild the
> libraries. Clang may or may not be capable of doing that.
>
> Regards.
>
> Tim
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20121208/2fae9dde/attachment.html>