RFA PATCH: PR 13141 MIPS libffi fixes...

[David Daney]

Anthony Green wrote:
>
> 
> Please check this in.  Thanks.
> 

Committed with modified ChangeLog:

2004-08-23  David Daney <daney@avtrex.com>
	
	PR libgcj/13141
	* src/mips/ffitarget.h (FFI_O32_SOFT_FLOAT): New ABI.
	* src/mips/ffi.c (ffi_prep_args): Fix alignment calculation.
	(ffi_prep_cif_machdep): Handle FFI_O32_SOFT_FLOAT floating point
	parameters and return types.
	(ffi_call): Handle FFI_O32_SOFT_FLOAT ABI.
	(ffi_prep_closure): Ditto.
	(ffi_closure_mips_inner_O32): Handle FFI_O32_SOFT_FLOAT ABI, fix
	alignment calculations.
	* src/mips/o32.S (ffi_closure_O32): Don't use floating point
	instructions if FFI_O32_SOFT_FLOAT, make stack frame ABI
	compliant.




David Daney