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add popcount32x4, popcount64x4 helper functions

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Konstantinos Margaritis
2022-09-02 15:12:56 +03:00
parent 361e9be4a0
commit 27dbdcf122
2 changed files with 19 additions and 4 deletions
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5
src/util/bitfield.h
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@@ -189,10 +189,7 @@ public:
size_t sum = 0;
size_t i = 0;
for (; i + 4 <= num_blocks; i += 4) {
sum += popcount64(bits[i]);
sum += popcount64(bits[i + 1]);
sum += popcount64(bits[i + 2]);
sum += popcount64(bits[i + 3]);
sum += popcount64x4(&bits[i]);
}
for (; i < num_blocks; i++) {
sum += popcount64(bits[i]);