348                         int32_t ip_a1, ip_a2, ip_b1, ip_b2, op_a, op_b, op_c;  in arm_depthwise_conv_s4_opt()  local
355                         op_b = arm_nn_read_s16x2(col_pos + input_ch);  in arm_depthwise_conv_s4_opt()
357                         op_c = PKHBT(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
358                         op_a = PKHTB(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
359                         op_b = PKHBT(ip_b2, ip_a2, 16);  in arm_depthwise_conv_s4_opt()
360                         sum = SMLAD(op_c, op_b, sum);  in arm_depthwise_conv_s4_opt()
362                         op_b = PKHBT(ip_b1, ip_a1, 16);  in arm_depthwise_conv_s4_opt()
364                         sum_2 = SMLAD(op_a, op_b, sum_2);  in arm_depthwise_conv_s4_opt()
367                         op_b = arm_nn_read_s16x2(col_pos + input_ch + 2);  in arm_depthwise_conv_s4_opt()
369                         op_c = PKHBT(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
370                         op_a = PKHTB(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
371                         op_b = PKHTB(ip_a2, ip_b2, 16);  in arm_depthwise_conv_s4_opt()
372                         sum_3 = SMLAD(op_c, op_b, sum_3);  in arm_depthwise_conv_s4_opt()
374                         op_b = PKHTB(ip_a1, ip_b1, 16);  in arm_depthwise_conv_s4_opt()
375                         sum_4 = SMLAD(op_a, op_b, sum_4);  in arm_depthwise_conv_s4_opt()
548                         int32_t ip_a1, ip_a2, ip_b1, ip_b2, op_a, op_b, op_c;  in arm_depthwise_conv_s4_opt()  local
555                         op_b = arm_nn_read_s16x2(col_pos + input_ch);  in arm_depthwise_conv_s4_opt()
557                         op_c = PKHBT(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
558                         op_a = PKHTB(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
559                         op_b = PKHBT(ip_b2, ip_a2, 16);  in arm_depthwise_conv_s4_opt()
560                         sum = SMLAD(op_c, op_b, sum);  in arm_depthwise_conv_s4_opt()
562                         op_b = PKHBT(ip_b1, ip_a1, 16);  in arm_depthwise_conv_s4_opt()
564                         sum_2 = SMLAD(op_a, op_b, sum_2);  in arm_depthwise_conv_s4_opt()
567                         op_b = arm_nn_read_s16x2(col_pos + input_ch + 2);  in arm_depthwise_conv_s4_opt()
569                         op_c = PKHBT(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
570                         op_a = PKHTB(op_b, op_a, 16);  in arm_depthwise_conv_s4_opt()
571                         op_b = PKHTB(ip_a2, ip_b2, 16);  in arm_depthwise_conv_s4_opt()
572                         sum_3 = SMLAD(op_c, op_b, sum_3);  in arm_depthwise_conv_s4_opt()
574                         op_b = PKHTB(ip_a1, ip_b1, 16);  in arm_depthwise_conv_s4_opt()
575                         sum_4 = SMLAD(op_a, op_b, sum_4);  in arm_depthwise_conv_s4_opt()