caffe2/perfkernels/common_avx2.cc

/**
 * Copyright (c) 2016-present, Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

// This file is here merely to check that the flags are not mixed up: for
// example, if your compiler did not specify -mavx2, you should not provide
// the CAFFE2_PERF_WITH_AVX2 macro.

#include "caffe2/core/common.h"

#ifdef CAFFE2_PERF_WITH_AVX2
#ifndef __AVX2__
#error( \
    "You found a build system error: CAFFE2_PERF_WITH_AVX2 is defined" \
    "but __AVX2__ is not defined (via e.g. -mavx2).");
#endif // __AVX2__
#endif // CAFFE2_PERF_WITH_AVX2

#ifdef __AVX2__
#ifndef CAFFE2_PERF_WITH_AVX2
#error( \
    "You found a build system error: __AVX2__ is defined (via e.g. -mavx2) " \
    "but CAFFE2_PERF_WITH_AVX2 is not defined.");
#endif // CAFFE2_PERF_WITH_AVX2
#endif