ARC_R_BLINK
usage |= is_call ? BIT(ARC_R_BLINK) : 0;
if (usage & BIT(ARC_R_BLINK))
len += arc_push_r(BUF(buf, len), ARC_R_BLINK);
gp_regs = usage & ~(BIT(ARC_R_BLINK) | BIT(ARC_R_FP));
gp_regs = usage & ~(BIT(ARC_R_BLINK) | BIT(ARC_R_FP));
if (usage & BIT(ARC_R_BLINK))
len += arc_pop_r(BUF(buf, len), ARC_R_BLINK);
#define OPC_J_BLINK (OPC_JMP | OP_C(ARC_R_BLINK))