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micro optimization #78

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f2817f3
micro optimization
sun0misc Apr 12, 2023
9c660c8
Merge branch 'Mojang:master' into master
sunmisc Mar 29, 2025
3885df1
reformat into one line
sunmisc Mar 29, 2025
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8 changes: 1 addition & 7 deletions src/main/java/com/mojang/datafixers/DataFixUtils.java
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Expand Up @@ -14,13 +14,7 @@ private DataFixUtils() {

// Based on: http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
public static int smallestEncompassingPowerOfTwo(final int input) {
int result = input - 1;
result |= result >> 1;
result |= result >> 2;
result |= result >> 4;
result |= result >> 8;
result |= result >> 16;
return result + 1;
return (-1 >>> Integer.numberOfLeadingZeros(input - 1)) + 1;
}

// Based on: http://graphics.stanford.edu/~seander/bithacks.html#DetermineIfPowerOf2
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