Jamsheed Mohammed C M 197ce5bafa 8166002: Emulate client build on platforms with reduced virtual address space
The default VM ergonomics on Windows/x86 (32-bit) are changed to client like.

Reviewed-by: kvn, iveresov
2017-01-17 21:38:07 -08:00

75 lines
2.9 KiB
Java

/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
* @test
* @bug 8031321
* @requires vm.flavor == "server" & !vm.emulatedClient
* @library /test/lib /
* @modules java.base/jdk.internal.misc
* java.management
*
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction
* compiler.intrinsics.bmi.verifycode.LZcntTestI
*/
package compiler.intrinsics.bmi.verifycode;
import compiler.intrinsics.bmi.TestLzcntI;
import java.lang.reflect.Method;
public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase_x64 {
protected LZcntTestI(Method method) {
super(method);
instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD};
instrMask_x64 = new byte[]{(byte) 0xFF, (byte) 0x00, (byte) 0xFF, (byte) 0xFF};
instrPattern_x64 = new byte[]{(byte) 0xF3, (byte) 0x00, (byte) 0x0F, (byte) 0xBD};
}
public static void main(String[] args) throws Exception {
// j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods
System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);
// Avoid uncommon traps.
System.out.println("Num leading zeroes: " + new TestLzcntI.LzcntIExpr().intExpr(12341341));
BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods());
}
@Override
protected String getVMFlag() {
return "UseCountLeadingZerosInstruction";
}
@Override
protected String getCpuFlag() {
return "lzcnt";
}
}