* src/java_raw_api.c (ffi_java_raw_size): Handle FFI_TYPE_DOUBLE

	correctly.
	* src/ia64/unix.S: Add unwind information. Fix comments.
	Save sp in a way that's compatible with unwind info.
	(ffi_call_unix): Correctly restore sp in all cases.
	* src/ia64/ffi.c: Add, fix comments.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52048 138bc75d-0d04-0410-961f-82ee72b054a4