573 	unsigned short inst = 0;  in is_dsp_inst()  local
582 	get_user(inst, ((unsigned short *) regs->pc));  in is_dsp_inst()
584 	inst &= 0xf000;  in is_dsp_inst()
587 	if ((inst == 0xf000) || (inst == 0x4000))  in is_dsp_inst()
621 	unsigned short inst = 0;  in do_reserved_inst()  local
624 	get_user(inst, (unsigned short*)regs->pc);  in do_reserved_inst()
626 	err = do_fpu_inst(inst, regs);  in do_reserved_inst()
628 		regs->pc += instruction_size(inst);  in do_reserved_inst()
653 static int emulate_branch(unsigned short inst, struct pt_regs *regs)  in emulate_branch()  argument
666 	if (((inst & 0xf000) == 0xb000)  ||	/* bsr */  in emulate_branch()
667 	    ((inst & 0xf0ff) == 0x0003)  ||	/* bsrf */  in emulate_branch()
668 	    ((inst & 0xf0ff) == 0x400b))	/* jsr */  in emulate_branch()
671 	if ((inst & 0xfd00) == 0x8d00) {	/* bfs, bts */  in emulate_branch()
672 		regs->pc += SH_PC_8BIT_OFFSET(inst);  in emulate_branch()
676 	if ((inst & 0xe000) == 0xa000) {	/* bra, bsr */  in emulate_branch()
677 		regs->pc += SH_PC_12BIT_OFFSET(inst);  in emulate_branch()
681 	if ((inst & 0xf0df) == 0x0003) {	/* braf, bsrf */  in emulate_branch()
682 		regs->pc += regs->regs[(inst & 0x0f00) >> 8] + 4;  in emulate_branch()
686 	if ((inst & 0xf0df) == 0x400b) {	/* jmp, jsr */  in emulate_branch()
687 		regs->pc = regs->regs[(inst & 0x0f00) >> 8];  in emulate_branch()
691 	if ((inst & 0xffff) == 0x000b) {	/* rts */  in emulate_branch()
703 	unsigned long inst;  in do_illegal_slot_inst()  local
710 	get_user(inst, (unsigned short *)regs->pc + 1);  in do_illegal_slot_inst()
711 	if (!do_fpu_inst(inst, regs)) {  in do_illegal_slot_inst()
712 		get_user(inst, (unsigned short *)regs->pc);  in do_illegal_slot_inst()
713 		if (!emulate_branch(inst, regs))  in do_illegal_slot_inst()
720 	inst = lookup_exception_vector();  in do_illegal_slot_inst()
724 	die_if_no_fixup("illegal slot instruction", regs, inst);  in do_illegal_slot_inst()