static inline uint16_t mipsdsp_lshift16(uint16_t a, uint8_t s, CPUMIPSState *env) { uint8_t sign; uint16_t discard; if (s == 0) { return a; } else { sign = (a >> 15) & 0x01; if (sign != 0) { discard = (((0x01 << (16 - s)) - 1) << s) | ((a >> (14 - (s - 1))) & ((0x01 << s) - 1)); } else { discard = a >> (14 - (s - 1)); } if ((discard != 0x0000) && (discard != 0xFFFF)) { set_DSPControl_overflow_flag(1, 22, env); } return a << s; } }