/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ #include "PHY/defs_common.h" #include "tools_defs.h" int32_t sub_cpx_vector16(int16_t *x, int16_t *y, int16_t *z, uint32_t N) { unsigned int i; // loop counter __m128i *x_128; __m128i *y_128; __m128i *z_128; x_128 = (__m128i *)&x[0]; y_128 = (__m128i *)&y[0]; z_128 = (__m128i *)&z[0]; for(i=0; i<(N>>3); i++) { z_128[0] = _mm_subs_epi16(x_128[0],y_128[0]); x_128++; y_128++; z_128++; } _mm_empty(); _m_empty(); return(0); } #ifdef MAIN #include <stdio.h> main () { short input[256] __attribute__((aligned(16))); short output[256] __attribute__((aligned(16))); int i; c16_t alpha; memset(output,0,256*2); input[0] = 100; input[1] = 200; input[2] = 100; input[3] = 200; input[4] = 1234; input[5] = -1234; input[6] = 1234; input[7] = -1234; input[8] = 100; input[9] = 200; input[10] = 100; input[11] = 200; input[12] = 1000; input[13] = 2000; input[14] = 1000; input[15] = 2000; alpha.r = 10; alpha.i = -10; add_cpx_vector(input,(short*) &alpha,input,8); for (i=0; i<16; i+=2) printf("output[%d] = %d + %d i\n",i,input[i],input[i+1]); } #endif //MAIN