23 lines
657 B
CMake
23 lines
657 B
CMake
function(find_prefetch_intrinsics)
|
|
include(CheckCXXSourceCompiles)
|
|
check_cxx_source_compiles("
|
|
#include <xmmintrin.h>
|
|
int main() {
|
|
char data = 0;
|
|
const char* address = &data;
|
|
_mm_prefetch(address, _MM_HINT_NTA);
|
|
return 0;
|
|
}
|
|
" XGBOOST_MM_PREFETCH_PRESENT)
|
|
check_cxx_source_compiles("
|
|
int main() {
|
|
char data = 0;
|
|
const char* address = &data;
|
|
__builtin_prefetch(address, 0, 0);
|
|
return 0;
|
|
}
|
|
" XGBOOST_BUILTIN_PREFETCH_PRESENT)
|
|
set(XGBOOST_MM_PREFETCH_PRESENT ${XGBOOST_MM_PREFETCH_PRESENT} PARENT_SCOPE)
|
|
set(XGBOOST_BUILTIN_PREFETCH_PRESENT ${XGBOOST_BUILTIN_PREFETCH_PRESENT} PARENT_SCOPE)
|
|
endfunction()
|