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8282221: x86 intrinsics for divideUnsigned and remainderUnsigned methods in java.lang.Integer and java.lang.Long

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Reviewed-by: sviswanathan, kvn, jbhateja
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vamsi-parasa 2022-04-10 03:47:18 +00:00 • committed by Jatin Bhateja
parent 0b867b5e73
commit 37e28aea27
20 changed files with 1155 additions and 2 deletions
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2
src/java.base/share/classes/java/lang/Integer.java
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@ -1542,6 +1542,7 @@ public final class Integer extends Number
* @see #remainderUnsigned
* @since 1.8
*/
@IntrinsicCandidate
public static int divideUnsigned(int dividend, int divisor) {
// In lieu of tricky code, for now just use long arithmetic.
return (int)(toUnsignedLong(dividend) / toUnsignedLong(divisor));
@ -1559,6 +1560,7 @@ public final class Integer extends Number
* @see #divideUnsigned
* @since 1.8
*/
@IntrinsicCandidate
public static int remainderUnsigned(int dividend, int divisor) {
// In lieu of tricky code, for now just use long arithmetic.
return (int)(toUnsignedLong(dividend) % toUnsignedLong(divisor));