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8283694: Improve bit manipulation and boolean to integer conversion operations on x86_64

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Reviewed-by: kvn, dlong
This commit is contained in:
Quan Anh Mai 2022-06-03 20:19:37 +00:00 • committed by Vladimir Kozlov
parent a0219da966
commit 0b35460fa0
8 changed files with 598 additions and 39 deletions
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25
test/micro/org/openjdk/bench/java/lang/RotateBenchmark.java
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@ -1,5 +1,5 @@
//
// Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
// Copyright (c) 2003, 2022, Oracle and/or its affiliates. All rights reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This code is free software; you can redistribute it and/or modify it
@ -39,6 +39,8 @@ public class RotateBenchmark {
@Param({"20"})
public int SHIFT;
static final int CONSHIFT = 20;
public long [] larr;
public int [] iarr;
@ -83,5 +85,24 @@ public class RotateBenchmark {
for (int i = 0; i < TESTSIZE; i++)
lres[i] = Long.rotateRight(larr[i], SHIFT);
}
@Benchmark
public void testRotateLeftConI() {
for (int i = 0; i < TESTSIZE; i++)
ires[i] = Integer.rotateLeft(iarr[i], CONSHIFT);
}
@Benchmark
public void testRotateRightConI() {
for (int i = 0; i < TESTSIZE; i++)
ires[i] = Integer.rotateRight(iarr[i], CONSHIFT);
}
@Benchmark
public void testRotateLeftConL() {
for (int i = 0; i < TESTSIZE; i++)
lres[i] = Long.rotateLeft(larr[i], CONSHIFT);
}
@Benchmark
public void testRotateRightConL() {
for (int i = 0; i < TESTSIZE; i++)
lres[i] = Long.rotateRight(larr[i], CONSHIFT);
}
}