wire waiting_cpsr_1a = use_cpsr & (cpsr_inflight_2a | cpsr_inflight_3a);
wire waiting_regs_1a = |(use_regs & (regs_inflight_2a | regs_inflight_3a));
wire waiting_1a = waiting_cpsr_1a | waiting_regs_1a;
wire waiting_cpsr_1a = use_cpsr & (cpsr_inflight_2a | cpsr_inflight_3a);
wire waiting_regs_1a = |(use_regs & (regs_inflight_2a | regs_inflight_3a));
wire waiting_1a = waiting_cpsr_1a | waiting_regs_1a;