ALTIVEC_TBL_STOP_COUNT(altivec_avg_pixels16_num, 1);
POWERPC_TBL_STOP_COUNT(altivec_avg_pixels16_num, 1);
void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h){ALTIVEC_TBL_DECLARE(altivec_avg_pixels16_num, 1);#ifdef ALTIVEC_USE_REFERENCE_C_CODE    int i;ALTIVEC_TBL_START_COUNT(altivec_avg_pixels16_num, 1);    for(i=0; i<h; i++) {      op_avg(*((uint32_t*)(block)),(((const struct unaligned_32 *)(pixels))->l));      op_avg(*((uint32_t*)(block+4)),(((const struct unaligned_32 *)(pixels+4))->l));      op_avg(*((uint32_t*)(block+8)),(((const struct unaligned_32 *)(pixels+8))->l));      op_avg(*((uint32_t*)(block+12)),(((const struct unaligned_32 *)(pixels+12))->l));      pixels+=line_size;      block +=line_size;    }ALTIVEC_TBL_STOP_COUNT(altivec_avg_pixels16_num, 1);#else /* ALTIVEC_USE_REFERENCE_C_CODE */    register vector unsigned char perm = vec_lvsl(0, pixels);     register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;    int i;ALTIVEC_TBL_START_COUNT(altivec_avg_pixels16_num, 1);    for(i=0; i<h; i++) {      pixelsv1 = vec_ld(0, (unsigned char*)pixels);      pixelsv2 = vec_ld(16, (unsigned char*)pixels);      blockv = vec_ld(0, block);      pixelsv = vec_perm(pixelsv1, pixelsv2, perm);      blockv = vec_avg(blockv,pixelsv);      vec_st(blockv, 0, (unsigned char*)block);      pixels+=line_size;      block +=line_size;    }ALTIVEC_TBL_STOP_COUNT(altivec_avg_pixels16_num, 1);#endif /* ALTIVEC_USE_REFERENCE_C_CODE */}