* config/s390/s390.md ("udivsi3"): Ensure trap is generated
	for division by zero.
	("umodsi3"): Likewise.

libjava/ChangeLog:

	* configure.host (DIVIDESPEC) [s390*-*-*]: Set to
	-fno-use-divide-subroutine.
	* include/s390-signal.h: Include <ucontext.h> and <limits.h>.
	(HANDLE_FPE): Define.
	(SIGNAL_HANDLER): Change third argument to ucontext_t *.
	(struct old_s390_kernel_sigaction): Likewise for k_sa_handler.
	(HANDLE_DIVIDE_OVERFLOW): Define.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84683 138bc75d-0d04-0410-961f-82ee72b054a4