insns.
* config/s390/s390.c (struct machine_function): Introduction of
struct machine_function.
+ (s390_output_symbolic_const): Use of cfun.
+ (s390_optimize_prolog): Likewise.
+ (s390_fixup_clobbered_return_reg): Likewise.
+ (s390_frame_info): Likewise.
+ (s390_emit_prologue, s390_emit_epilogue): Likewise.
+ (s390_init_machine_status): New function.
+ (override_options): call s390_init_machine_status.
* config/s390/s390-protos.h (s390_output_constant_pool): Changed
prototype.