[RFA] mips, floating point arg passing

[Michael Snyder]

Joel Brobecker wrote:
> Hello Michael,
> 
> 
>>GDB is causing SIGFPE on target boards that have a FPU,
>>when compiled for a 32 bit ABI.
> 
> 
> I've only worked with the n32 ABI so far, so I'm not familiar with
> the EABI nor o32 ABI. But I presume you know what you're talking
> about :-).
> 
> 
>>2006-05-31  Michael Snyder  <msnyder@redhat.com>
>>
>>	* mips-tdep.c (mips_eabi_push_dummy_call): For 32 bit ABI, to
>>	decide how many registers it takes to pass a floating point
>>	argument, what matters is the size of a floating point register
>>	(not the size of a general purpose register).
>>	(mips_o32_push_dummy_call): Ditto.
> 
> 
> I'm not sure I really have the knowledge to approve but Daniel asked
> for help in that department, so I'll give it a try.
> 
> This patch seems pretty logical to me, so go ahead and commit. Is it
> possible to run the testsuite on either o32, or on a target board?

I did -- but it was quite some time ago now, and I couldn't
really put my hands on them.  I'm pretty sure they got better.
Certainly they didn't get worse.

Committing.