23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @summary tests on constant folding of unsafe get operations
  29  * @library /testlibrary
  30  *
  31  * @requires vm.flavor != "client"
  32  *
  33  * @modules java.base/jdk.internal.org.objectweb.asm
  34  *          java.base/jdk.internal.vm.annotation
  35  *          java.base/jdk.internal.misc
  36  *
  37  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions
  38  *                                 -Xbatch -XX:-TieredCompilation
  39  *                                 -XX:+FoldStableValues
  40  *                                 -XX:CompileCommand=dontinline,UnsafeGetConstantField.checkGetAddress()
  41  *                                 -XX:CompileCommand=dontinline,*.test*
  42  *                                 -XX:+UseUnalignedAccesses
  43  *                         -XaddReads:java.base=ALL-UNNAMED
  44  *                                 compiler.unsafe.UnsafeGetConstantField
  45  *
  46  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions
  47  *                                 -Xbatch -XX:-TieredCompilation
  48  *                                 -XX:+FoldStableValues
  49  *                                 -XX:CompileCommand=dontinline,UnsafeGetConstantField.checkGetAddress()
  50  *                                 -XX:CompileCommand=dontinline,*.test*
  51  *                                 -XX:CompileCommand=inline,*Unsafe.get*
  52  *                                 -XX:-UseUnalignedAccesses
  53  *                         -XaddReads:java.base=ALL-UNNAMED
  54  *                                 compiler.unsafe.UnsafeGetConstantField
  55  */
  56 package compiler.unsafe;
  57 
  58 import jdk.internal.org.objectweb.asm.ClassWriter;
  59 import jdk.internal.org.objectweb.asm.FieldVisitor;
  60 import jdk.internal.org.objectweb.asm.MethodVisitor;
  61 import jdk.internal.org.objectweb.asm.Opcodes;
  62 import jdk.internal.org.objectweb.asm.Type;
  63 import jdk.internal.vm.annotation.Stable;
  64 import jdk.test.lib.Asserts;
  65 import jdk.test.lib.Platform;
  66 import jdk.internal.misc.Unsafe;
  67 
  68 import java.io.IOException;
  69 import java.nio.file.Files;
  70 import java.nio.file.Path;
  71 import java.nio.file.Paths;
  72 
  73 import static jdk.internal.org.objectweb.asm.Opcodes.*;

  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @summary tests on constant folding of unsafe get operations
  29  * @library /testlibrary
  30  *
  31  * @requires vm.flavor != "client"
  32  *
  33  * @modules java.base/jdk.internal.org.objectweb.asm
  34  *          java.base/jdk.internal.vm.annotation
  35  *          java.base/jdk.internal.misc
  36  *
  37  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions
  38  *                                 -Xbatch -XX:-TieredCompilation
  39  *                                 -XX:+FoldStableValues
  40  *                                 -XX:CompileCommand=dontinline,UnsafeGetConstantField.checkGetAddress()
  41  *                                 -XX:CompileCommand=dontinline,*.test*
  42  *                                 -XX:+UseUnalignedAccesses
  43  *                         --add-reads=java.base=ALL-UNNAMED
  44  *                                 compiler.unsafe.UnsafeGetConstantField
  45  *
  46  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions
  47  *                                 -Xbatch -XX:-TieredCompilation
  48  *                                 -XX:+FoldStableValues
  49  *                                 -XX:CompileCommand=dontinline,UnsafeGetConstantField.checkGetAddress()
  50  *                                 -XX:CompileCommand=dontinline,*.test*
  51  *                                 -XX:CompileCommand=inline,*Unsafe.get*
  52  *                                 -XX:-UseUnalignedAccesses
  53  *                         --add-reads=java.base=ALL-UNNAMED
  54  *                                 compiler.unsafe.UnsafeGetConstantField
  55  */
  56 package compiler.unsafe;
  57 
  58 import jdk.internal.org.objectweb.asm.ClassWriter;
  59 import jdk.internal.org.objectweb.asm.FieldVisitor;
  60 import jdk.internal.org.objectweb.asm.MethodVisitor;
  61 import jdk.internal.org.objectweb.asm.Opcodes;
  62 import jdk.internal.org.objectweb.asm.Type;
  63 import jdk.internal.vm.annotation.Stable;
  64 import jdk.test.lib.Asserts;
  65 import jdk.test.lib.Platform;
  66 import jdk.internal.misc.Unsafe;
  67 
  68 import java.io.IOException;
  69 import java.nio.file.Files;
  70 import java.nio.file.Path;
  71 import java.nio.file.Paths;
  72 
  73 import static jdk.internal.org.objectweb.asm.Opcodes.*;