[RFA] mips, floating point arg passing

[Mark Kettenis]

> Date: Wed, 31 May 2006 16:32:44 -0700
> From: Michael Snyder <msnyder@redhat.com>
> 
> GDB is causing SIGFPE on target boards that have a FPU,
> when compiled for a 32 bit ABI.

Hmm, aren't all registers supposed to be 32-bit for o32.  It seems to
me that we should hardcode that in the *_o32_* functions, instead of
trying to be register-size agnostic.

Mark

> 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.