#endif
+int bitScanReverse32(uint32_t b)
+{
+ int result = 0;
+
+ if (b > 0xFFFF) {
+ b >>= 16;
+ result += 16;
+ }
+ if (b > 0xFF) {
+ b >>= 8;
+ result += 8;
+ }
+ if (b > 0xF) {
+ b >>= 4;
+ result += 4;
+ }
+ if (b > 0x3) {
+ b >>= 2;
+ result += 2;
+ }
+ return result + (b > 0) + (b > 1);
+}
+
namespace {
// All functions below are used to precompute various bitboards during