* configure: Rebuilt.
libffi/
	* include/ffi.h.in (POWERPC64): Define if 64-bit.
	(enum ffi_abi): Add FFI_LINUX64 on POWERPC.
	Make it the default on POWERPC64.
	(FFI_TRAMPOLINE_SIZE): Define to 24 on POWERPC64.
	* configure.in: Change powerpc-*-linux* into powerpc*-*-linux*.
	* configure: Rebuilt.
	* src/powerpc/ffi.c (hidden): Define.
	(ffi_prep_args_SYSV): Renamed from
	ffi_prep_args.  Cast pointers to unsigned long to shut up warnings.
	(NUM_GPR_ARG_REGISTERS64, NUM_FPR_ARG_REGISTERS64,
	ASM_NEEDS_REGISTERS64): New.
	(ffi_prep_args64): New function.
	(ffi_prep_cif_machdep): Handle FFI_LINUX64 ABI.
	(ffi_call): Likewise.
	(ffi_prep_closure): Likewise.
	(flush_icache): Surround by #ifndef POWERPC64.
	(ffi_dblfl): New union type.
	(ffi_closure_helper_SYSV): Use it to avoid aliasing problems.
	(ffi_closure_helper_LINUX64): New function.
	* src/powerpc/ppc_closure.S: Surround whole file by #ifndef
	__powerpc64__.
	* src/powerpc/sysv.S: Likewise.
	(ffi_call_SYSV): Rename ffi_prep_args to ffi_prep_args_SYSV.
	* src/powerpc/linux64.S: New file.
	* src/powerpc/linux64_closure.S: New file.
	* Makefile.am (EXTRA_DIST): Add src/powerpc/linux64.S and
	src/powerpc/linux64_closure.S.
	(TARGET_SRC_POWERPC): Likewise.

	* src/ffitest.c (closure_test_fn, closure_test_fn1, closure_test_fn2,
	closure_test_fn3): Fix result printing on big-endian 64-bit
	machines.
	(main): Print tst2_arg instead of uninitialized tst2_result.

	* src/ffitest.c (main): Hide what closure pointer really points to
	from the compiler.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65781 138bc75d-0d04-0410-961f-82ee72b054a4