msvc_arch_flags.c

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/*
 * Copyright 2011-2020 Blender Foundation
 *
 * 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.
 */
 
#include <isa_availability.h>
#include <stdio.h>
 
/* The MS CRT defines this */
extern int __isa_available;
 
const char *get_arch_flags()
{
  if (__isa_available >= __ISA_AVAILABLE_AVX2) {
    return "/arch:AVX2";
  }
  if (__isa_available >= __ISA_AVAILABLE_AVX) {
    return "/arch:AVX";
  }
  return "";
}
 
int main()
{
  printf("%s\n", get_arch_flags());
  return 0;
}