jdk-24/test/hotspot/jtreg/compiler/c2/irTests/TestGetAndAdd.java
2023-06-15 16:00:18 +00:00

113 lines
3.8 KiB
Java

/*
* Copyright (c) 2023, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package compiler.c2.x86;
import compiler.lib.ir_framework.*;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
/*
* @test
* bug 8308444
* @summary verify that the correct node is matched for atomic getAndAdd
* @requires os.simpleArch == "x64"
* @requires vm.compiler2.enabled
* @library /test/lib /
* @run driver compiler.c2.x86.TestGetAndAdd
*/
public class TestGetAndAdd {
static final VarHandle B;
static final VarHandle S;
static final VarHandle I;
static final VarHandle L;
static {
try {
var lookup = MethodHandles.lookup();
B = lookup.findStaticVarHandle(TestGetAndAdd.class, "b", byte.class);
S = lookup.findStaticVarHandle(TestGetAndAdd.class, "s", short.class);
I = lookup.findStaticVarHandle(TestGetAndAdd.class, "i", int.class);
L = lookup.findStaticVarHandle(TestGetAndAdd.class, "l", long.class);
} catch (Exception e) {
throw new AssertionError(e);
}
}
static byte b;
static short s;
static int i;
static long l;
static byte b2;
static short s2;
static int i2;
static long l2;
public static void main(String[] args) {
new TestFramework()
.addFlags("-XX:+UseStoreImmI16")
.start();
}
@Test
@IR(counts = {IRNode.X86_LOCK_ADDB_REG, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_ADDB_IMM, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_XADDB, "3"}, phase = CompilePhase.FINAL_CODE)
public static void addB() {
B.getAndAdd(b2);
B.getAndAdd((byte)1);
b2 = (byte)B.getAndAdd(b2);
}
@Test
@IR(counts = {IRNode.X86_LOCK_ADDS_REG, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_ADDS_IMM, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_XADDS, "3"}, phase = CompilePhase.FINAL_CODE)
public static void addS() {
S.getAndAdd(s2);
S.getAndAdd((short)1);
s2 = (short)S.getAndAdd(s2);
}
@Test
@IR(counts = {IRNode.X86_LOCK_ADDI_REG, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_ADDI_IMM, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_XADDI, "3"}, phase = CompilePhase.FINAL_CODE)
public static void addI() {
I.getAndAdd(i2);
I.getAndAdd(1);
i2 = (int)I.getAndAdd(i2);
}
@Test
@IR(counts = {IRNode.X86_LOCK_ADDL_REG, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_ADDL_IMM, "1"}, phase = CompilePhase.FINAL_CODE)
@IR(counts = {IRNode.X86_LOCK_XADDL, "3"}, phase = CompilePhase.FINAL_CODE)
public static void addL() {
L.getAndAdd(l2);
L.getAndAdd(1L);
l2 = (long)L.getAndAdd(l2);
}
}