cmake HAVE_BUILTIN_PREFETCH examples

google/snappy CMakeLists.txt :163 

check_cxx_source_compiles("
int main() {
  __builtin_prefetch(0, 0, 3);
  return 0;
}" HAVE_BUILTIN_PREFETCH)

bitcoin-sv/bitcoin-sv src/leveldb/crc32c/CMakeLists.txt :88 

check_cxx_source_compiles("
int main() {
  char data = 0;
  const char* address = &data;
  __builtin_prefetch(address, 0, 0);
  return 0;
}
"  HAVE_BUILTIN_PREFETCH)

peercoin/peercoin src/crc32c/CMakeLists.txt :88 

check_cxx_source_compiles("
int main() {
  char data = 0;
  const char* address = &data;
  __builtin_prefetch(address, 0, 0);
  return 0;
}
"  HAVE_BUILTIN_PREFETCH)

AXErunners/axe src/crc32c/CMakeLists.txt :88 

check_cxx_source_compiles("
int main() {
  char data = 0;
  const char* address = &data;
  __builtin_prefetch(address, 0, 0);
  return 0;
}
"  HAVE_BUILTIN_PREFETCH)