8334399: [JVMCI] Implement JVMCICompiler::is_intrinsic_supported

src/hotspot/share/jvmci/jvmciCompiler.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2024, 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
@@ -200,6 +200,15 @@ void JVMCICompiler::print_timers() {
   _hosted_code_installs.print_on(tty, "       Install Code:   ");
 }
 
+bool JVMCICompiler::is_intrinsic_supported(const methodHandle& method) {
+  vmIntrinsics::ID id = method->intrinsic_id();
+  assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
+  JavaThread* thread = JavaThread::current();
+  JVMCIEnv jvmciEnv(thread, __FILE__, __LINE__);
+  JVMCIRuntime* runtime = JVMCI::compiler_runtime(thread, false);
+  return runtime->is_intrinsic_supported(&jvmciEnv, (jint) id);
+}
+
 void JVMCICompiler::CodeInstallStats::print_on(outputStream* st, const char* prefix) const {
   double time = _timer.seconds();
   st->print_cr("%s%7.3f s (installs: %d, CodeBlob total size: %d, CodeBlob code size: %d)",

src/hotspot/share/jvmci/jvmciCompiler.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2024, 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
@@ -136,6 +136,8 @@ class JVMCICompiler : public AbstractCompiler {
   // Print compilation timers and statistics
   virtual void print_timers();
 
+  virtual bool is_intrinsic_supported(const methodHandle& method);
+
   // Gets the number of methods that have been successfully compiled by
   // a call to JVMCICompiler::compile_method().
   int methods_compiled() { return _methods_compiled; }

src/hotspot/share/jvmci/jvmciEnv.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2024, 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
@@ -967,6 +967,31 @@ jboolean JVMCIEnv::call_HotSpotJVMCIRuntime_isGCSupported (JVMCIObject runtime,
   }
 }
 
+jboolean JVMCIEnv::call_HotSpotJVMCIRuntime_isIntrinsicSupported (JVMCIObject runtime, jint intrinsicIdentifier) {
+  JavaThread* THREAD = JavaThread::current(); // For exception macros.
+  if (is_hotspot()) {
+    JavaCallArguments jargs;
+    jargs.push_oop(Handle(THREAD, HotSpotJVMCI::resolve(runtime)));
+    jargs.push_int(intrinsicIdentifier);
+    JavaValue result(T_BOOLEAN);
+    JavaCalls::call_special(&result,
+                            HotSpotJVMCI::HotSpotJVMCIRuntime::klass(),
+                            vmSymbols::isIntrinsicSupported_name(),
+                            vmSymbols::int_bool_signature(), &jargs, CHECK_0);
+    return result.get_jboolean();
+  } else {
+    JNIAccessMark jni(this, THREAD);
+    jboolean result = jni()->CallNonvirtualBooleanMethod(runtime.as_jobject(),
+                                                     JNIJVMCI::HotSpotJVMCIRuntime::clazz(),
+                                                     JNIJVMCI::HotSpotJVMCIRuntime::isIntrinsicSupported_method(),
+                                                     intrinsicIdentifier);
+    if (jni()->ExceptionCheck()) {
+      return false;
+    }
+    return result;
+  }
+}
+
 JVMCIObject JVMCIEnv::call_HotSpotJVMCIRuntime_compileMethod (JVMCIObject runtime, JVMCIObject method, int entry_bci,
                                                               jlong compile_state, int id) {
   JavaThread* THREAD = JVMCI::compilation_tick(JavaThread::current()); // For exception macros.

src/hotspot/share/jvmci/jvmciEnv.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2024, 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
@@ -359,6 +359,8 @@ class JVMCIEnv : public ResourceObj {
 
   jboolean call_HotSpotJVMCIRuntime_isGCSupported(JVMCIObject runtime, jint gcIdentifier);
 
+  jboolean call_HotSpotJVMCIRuntime_isIntrinsicSupported(JVMCIObject runtime, jint intrinsicIdentifier);
+
   void call_HotSpotJVMCIRuntime_postTranslation(JVMCIObject object, JVMCI_TRAPS);
 
   // Converts the JavaKind.typeChar value in `ch` to a BasicType

src/hotspot/share/jvmci/jvmciJavaClasses.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2024, 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
@@ -202,6 +202,7 @@
     objectarray_field(HotSpotJVMCIRuntime, excludeFromJVMCICompilation, "[Ljava/lang/Module;")                \
     jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, compileMethod, compileMethod_signature) \
     jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isGCSupported, int_bool_signature) \
+    jvmci_method(CallNonvirtualObjectMethod, GetMethodID, call_special, JVMCIObject, HotSpotJVMCIRuntime, isIntrinsicSupported, int_bool_signature) \
     jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, bootstrapFinished, void_method_signature) \
     jvmci_method(CallNonvirtualVoidMethod, GetMethodID, call_special, void, HotSpotJVMCIRuntime, shutdown, void_method_signature) \
     jvmci_method(CallStaticObjectMethod, GetStaticMethodID, call_static, JVMCIObject, HotSpotJVMCIRuntime, runtime, runtime_signature) \

src/hotspot/share/jvmci/jvmciRuntime.cpp

@@ -2050,6 +2050,16 @@ bool JVMCIRuntime::is_gc_supported(JVMCIEnv* JVMCIENV, CollectedHeap::Name name)
   return JVMCIENV->call_HotSpotJVMCIRuntime_isGCSupported(receiver, (int) name);
 }
 
+bool JVMCIRuntime::is_intrinsic_supported(JVMCIEnv* JVMCIENV, jint id) {
+  JVMCI_EXCEPTION_CONTEXT
+
+  JVMCIObject receiver = get_HotSpotJVMCIRuntime(JVMCIENV);
+  if (JVMCIENV->has_pending_exception()) {
+    fatal_exception(JVMCIENV, "Exception during HotSpotJVMCIRuntime initialization");
+  }
+  return JVMCIENV->call_HotSpotJVMCIRuntime_isIntrinsicSupported(receiver, id);
+}
+
 // ------------------------------------------------------------------
 JVMCI::CodeInstallResult JVMCIRuntime::register_method(JVMCIEnv* JVMCIENV,
                                                        const methodHandle& method,

src/hotspot/share/jvmci/jvmciRuntime.hpp

@@ -431,6 +431,9 @@ class JVMCIRuntime: public CHeapObj<mtJVMCI> {
   // Determines if the GC identified by `name` is supported by the JVMCI compiler.
   bool is_gc_supported(JVMCIEnv* JVMCIENV, CollectedHeap::Name name);
 
+  // Determines if the intrinsic identified by `id` is supported by the JVMCI compiler.
+  bool is_intrinsic_supported(JVMCIEnv* JVMCIENV, jint id);
+
   // Register the result of a compilation.
   JVMCI::CodeInstallResult register_method(JVMCIEnv* JVMCIENV,
                                            const methodHandle&       target,

src/hotspot/share/jvmci/vmSymbols_jvmci.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2024, 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
@@ -81,6 +81,7 @@
   template(compileMethod_name,                                    "compileMethod")                                                        \
   template(compileMethod_signature,                               "(Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;IJI)Ljdk/vm/ci/hotspot/HotSpotCompilationRequestResult;") \
   template(isGCSupported_name,                                    "isGCSupported")                                                        \
+  template(isIntrinsicSupported_name,                             "isIntrinsicSupported")                                                 \
   template(fromMetaspace_name,                                    "fromMetaspace")                                                        \
   template(method_fromMetaspace_signature,                        "(JLjdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;)Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;") \
   template(constantPool_fromMetaspace_signature,                  "(J)Ljdk/vm/ci/hotspot/HotSpotConstantPool;")                           \

src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/HotSpotJVMCIRuntime.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2024, 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
@@ -987,6 +987,12 @@ private boolean isGCSupported(int gcIdentifier) {
         return getCompiler().isGCSupported(gcIdentifier);
     }
 
+    @SuppressWarnings("try")
+    @VMEntryPoint
+    private boolean isIntrinsicSupported(int intrinsicIdentifier) {
+        return getCompiler().isIntrinsicSupported(intrinsicIdentifier);
+    }
+
     /**
      * Guard to ensure shut down actions are performed by at most one thread.
      */

src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/HotSpotVMConfigStore.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2024, 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
@@ -82,6 +82,27 @@ public List<VMIntrinsicMethod> getIntrinsics() {
         return Collections.unmodifiableList(vmIntrinsics);
     }
 
+    /**
+     * Gets the VM intrinsic description by its ID.
+     */
+    public VMIntrinsicMethod getIntrinsic(int intrinsicID) {
+        if (intrinsicID >= 1 && intrinsicID <= vmIntrinsics.size()) {
+            // valid intrinsicID starts from 1
+            VMIntrinsicMethod intrinsic = vmIntrinsics.get(intrinsicID - 1);
+            // We speculate that vmIntrinsics are sorted by ID
+            if (intrinsic.id == intrinsicID) {
+                return intrinsic;
+            }
+        }
+        // Assumption failed, fall back to iteration
+        for (VMIntrinsicMethod intrinsic : vmIntrinsics) {
+            if (intrinsic.id == intrinsicID) {
+                return intrinsic;
+            }
+        }
+        return null;
+    }
+
     final HashMap<String, VMField> vmFields;
     final HashMap<String, Long> vmConstants;
     final HashMap<String, Long> vmAddresses;

src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/runtime/JVMCICompiler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2024, 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
@@ -44,4 +44,15 @@ public interface JVMCICompiler {
     default boolean isGCSupported(int gcIdentifier) {
         return true;
     }
+
+    /**
+     * Determines if this compiler supports the {@code intrinsicIdentifier} intrinsic. The default
+     * implementation of this method returns false as that is the effective answer given by a
+     * {@link JVMCICompiler} before this method was added.
+     *
+     * @param intrinsicIdentifier intrinsic identifier defined in vmIntrinsics.hpp.
+     */
+    default boolean isIntrinsicSupported(int intrinsicIdentifier) {
+        return false;
+    }
 }