Re: [PATCH] MIPS: microMIPS ASE support

["Maciej W. Rozycki" <macro@codesourcery.com>]

On Mon, 26 Jul 2010, Nathan Froyd wrote:

> > > Did you actually test this with n64, say with a gcc bootstrap?  Same
> > > comment goes for elfn32-mips.c.
> > > 
> > > Why only do the linker relaxation for elf32-mips.c (o32, o64 & EABI)?
> > > Why not for n32 and n64 too?
> > 
> >  The answer to all the questions is negative.  There is no 64-bit 
> > microMIPS hardware available at the moment.  The best bet might be QEMU -- 
> > NathanF, have you implemented any of the 64-bit instructions in QEMU?  
> 
> I have implemented support for the 64-bit instructions in QEMU.  I
> haven't really tested whether the instruction translation works
> correctly for those instructions.  (It should; there's nothing unusual
> about the codepaths the 64-bit instructions take vs. their 32-bit
> counterparts...but you never know...)

 OK, thanks.  That's a good starting point, but still some low-level
startup files will need to be updated or at least examined for correct
64-bit microMIPS support before we can link executables suitable for
run-time testing such as with the GCC testsuite, let alone a full native 
GCC bootstrap.

  Maciej