[llvm-commits] [Patch] Make Thumb triples force Thumb mode

[Jim Grosbach]

LGTM. Though especially since we've apparently been getting this wrong for quite a while now, test cases seem a good idea.

-Jim

On Jul 24, 2012, at 2:45 PM, Renato Golin <rengolin at systemcall.org> wrote:

> As discussed in the main list, triples like "thumbv7m-none-eabi" still
> produce ARM code. This is a flaw in the Driver that is fixed by this
> patch.
> 
> To test, compile any C code like:
> 
> $ clang -ccc-host-triple thumbv7-none-eabi -S foo.c
> 
> It'll produce ARM code. With this patch, it should produce Thumb code.
> In Darwin, all v7 defaults to Thumb, so test this on Linux.
> 
> Where should I add a test to match the code generated to Thumb in Clang's suite?
> 
> -- 
> cheers,
> --renato
> 
> http://systemcall.org/
> <clang-driver.patch>