On 10/21/21 12:45 PM, matheus.fe...@eldorado.org.br wrote:
+uint64_t helper_CNTTZDM(uint64_t src, uint64_t mask)
+{
+ uint64_t count = 0;
+
+ while (mask != 0) {
+ if ((src >> ctz64(mask)) & 1) {
+ break;
+ }
+
+ count++;
+ mask &= mask - 1;
+ }
+
+ return count;
+}
Similar to cntlzdm, we can use src & mask. r~
