[LLVMdev] Integrated 'as' for PowerPC by default?

[Joerg Sonnenberger]

On Thu, Dec 05, 2013 at 01:31:03PM +0100, Ulrich Weigand wrote:
> Gabor Greif <ggreif at gmail.com> wrote:
> 
> > as of v3.3 the integrated assembler seems to work fine.
> > But it is not on by default. What is the obstacle for this last step?
> 
> Well, it's support is not complete ...  The integrated assembler
> supports all general-purpose instructions the compiler itself
> generates, but has only partial support for all the rest, in
> particular nearly no support for any supervisor mode instructions.
> 
> This means that if you use inline asm to generate any of
> those instructions (in particular in kernel code or other
> code that runs in supervisor mode), this would fail when
> using the internal assembler.

I'm not sure that's a strong enough reason. From my experience, at least
for PPC32 it is already less problematic to use the integrated assembler
for ELF.

Joerg