static inline int in_delay_slot()

in kernel/traps.c [264:286]

• 21 lines of code
• 7 McCabe index (conditional complexity)

static inline int in_delay_slot(struct pt_regs *regs)
{
#ifdef CONFIG_OPENRISC_NO_SPR_SR_DSX
	/* No delay slot flag, do the old way */
	unsigned int op, insn;

	insn = *((unsigned int *)regs->pc);
	op = insn >> 26;
	switch (op) {
	case 0x00: /* l.j */
	case 0x01: /* l.jal */
	case 0x03: /* l.bnf */
	case 0x04: /* l.bf */
	case 0x11: /* l.jr */
	case 0x12: /* l.jalr */
		return 1;
	default:
		return 0;
	}
#else
	return mfspr(SPR_SR) & SPR_SR_DSX;
#endif
}