[GR-36951] Create RISC-V target for Native Image

compiler/mx.compiler/mx_compiler.py

@@ -620,7 +620,8 @@ def compiler_gate_benchmark_runner(tasks, extraVMarguments=None, prefix=''):
 
 _registers = {
     'amd64': 'rbx,r11,r10,r14,xmm3,xmm2,xmm11,xmm14,k1?',
-    'aarch64': 'r0,r1,r2,r3,r4,v0,v1,v2,v3'
+    'aarch64': 'r0,r1,r2,r3,r4,v0,v1,v2,v3',
+    'riscv64': 'x10,x11,x12,x13,x14,v10,v11,v12,v13'
 }
 if mx.get_arch() not in _registers:
     mx.warn('No registers for register pressure tests are defined for architecture ' + mx.get_arch())

compiler/mx.compiler/suite.py

@@ -167,6 +167,9 @@
             "digest" : "sha512:422e1078fe5d9e2f71c04ca2bbefef4e09cf9675d132c7531f1fb17330e2b1f9441470541b66c8db2f3d8e105d167e25a78dc11aada524ed623b1ae9a4cfdeeb",
             "urls" : ["{urlbase}/hsdis-aarch64-linux-fcc9b70ac91c00db8a50b0d4345490a68e3743e1.tar.gz"],
           },
+          "riscv64" : {
+            "optional" : True,
+          }
         },
         "darwin" : {
           "amd64" : {
@@ -681,6 +684,27 @@
       "workingSets" : "Graal,HotSpot,AMD64",
     },
 
+    "org.graalvm.compiler.hotspot.riscv64" : {
+      "subDir" : "src",
+      "sourceDirs" : ["src"],
+      "dependencies" : [
+        "org.graalvm.compiler.core.riscv64",
+        "org.graalvm.compiler.hotspot",
+      ],
+      "requiresConcealed" : {
+        "jdk.internal.vm.ci" : [
+          "jdk.vm.ci.meta",
+          "jdk.vm.ci.code",
+        ],
+      },
+      "checkstyle" : "org.graalvm.compiler.graph",
+      "annotationProcessors" : [
+        "GRAAL_PROCESSOR"
+      ],
+      "javaCompliance" : "11+",
+      "workingSets" : "Graal,HotSpot,RISCV64",
+    },
+
     "org.graalvm.compiler.hotspot.test" : {
       "subDir" : "src",
       "sourceDirs" : ["src"],
@@ -1389,6 +1413,20 @@
       "workingSets" : "Graal,AMD64,Test",
     },
 
+    "org.graalvm.compiler.core.riscv64" : {
+      "subDir" : "src",
+      "sourceDirs" : ["src"],
+      "dependencies" : [
+        "org.graalvm.compiler.core",
+      ],
+      "checkstyle" : "org.graalvm.compiler.graph",
+      "annotationProcessors" : [
+        "GRAAL_PROCESSOR",
+      ],
+      "javaCompliance" : "11+",
+      "workingSets" : "Graal,RISCV64",
+    },
+
     "org.graalvm.compiler.runtime" : {
       "subDir" : "src",
       "sourceDirs" : ["src"],
@@ -2110,8 +2148,10 @@
         "org.graalvm.compiler.replacements.aarch64",
         "org.graalvm.compiler.core.amd64",
         "org.graalvm.compiler.replacements.amd64",
+        "org.graalvm.compiler.core.riscv64",
         "org.graalvm.compiler.hotspot.aarch64",
         "org.graalvm.compiler.hotspot.amd64",
+        "org.graalvm.compiler.hotspot.riscv64",
         "org.graalvm.compiler.hotspot",
         "org.graalvm.compiler.lir.aarch64",
         "org.graalvm.compiler.truffle.runtime.serviceprovider",
@@ -2187,6 +2227,9 @@
       "description" : "Disassembler support distribution for the GraalVM",
       "os_arch" : {
         "linux" : {
+          "riscv64" : {
+            "optional" : True,
+          },
           "<others>" : {
             "layout" : {
               "hsdis-<arch>.so" : "file:<path:HSDIS>/*",

compiler/src/org.graalvm.compiler.core.riscv64/src/org/graalvm/compiler/core/riscv64/RISCV64LoweringProviderMixin.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.graalvm.compiler.core.riscv64;
+
+import org.graalvm.compiler.core.common.memory.MemoryExtendKind;
+import org.graalvm.compiler.nodes.memory.ExtendableMemoryAccess;
+import org.graalvm.compiler.nodes.spi.LoweringProvider;
+
+public interface RISCV64LoweringProviderMixin extends LoweringProvider {
+
+    @Override
+    default boolean divisionOverflowIsJVMSCompliant() {
+        return true;
+    }
+
+    @Override
+    default Integer smallestCompareWidth() {
+        return 32;
+    }
+
+    @Override
+    default boolean supportsBulkZeroing() {
+        return false;
+    }
+
+    @Override
+    default boolean supportsRounding() {
+        return false;
+    }
+
+    @Override
+    default boolean writesStronglyOrdered() {
+        return false;
+    }
+
+    @Override
+    default boolean narrowsUseCastValue() {
+        return false;
+    }
+
+    @Override
+    default boolean supportsFoldingExtendIntoAccess(ExtendableMemoryAccess access, MemoryExtendKind extendKind) {
+        return false;
+    }
+}

compiler/src/org.graalvm.compiler.core.riscv64/src/org/graalvm/compiler/core/riscv64/RISCV64NodeMatchRules.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.graalvm.compiler.core.riscv64;
+
+import org.graalvm.compiler.core.gen.NodeMatchRules;
+import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
+
+public class RISCV64NodeMatchRules extends NodeMatchRules {
+    public RISCV64NodeMatchRules(LIRGeneratorTool gen) {
+        super(gen);
+    }
+}

compiler/src/org.graalvm.compiler.core.riscv64/src/org/graalvm/compiler/core/riscv64/RISCV64ReflectionUtil.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.graalvm.compiler.core.riscv64;
+
+import java.lang.reflect.Method;
+
+/**
+ * This class contains utility methods for accessing RISC-V JVMCI classes and fields using
+ * reflection. This is needed as all JDK versions used by Graal currently do not implement JVMCI for
+ * RISC-V, which causes unwanted build errors.
+ */
+public class RISCV64ReflectionUtil {
+    public static final String archClass = "jdk.vm.ci.riscv64.RISCV64";
+    public static final String featureClass = archClass + "$CPUFeature";
+    public static final String flagClass = archClass + "$Flag";
+    public static final String hotSpotClass = "jdk.vm.ci.hotspot.riscv64.RISCV64HotSpotRegisterConfig";
+
+    public static Class<?> lookupClass(boolean optional, String className) {
+        try {
+            return Class.forName(className);
+        } catch (ClassNotFoundException ex) {
+            if (optional) {
+                return null;
+            }
+            throw new ReflectionUtilError(ex);
+        }
+    }
+
+    public static Class<?> getArch(boolean optional) {
+        return lookupClass(optional, archClass);
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T readStaticField(Class<?> declaringClass, String fieldName) {
+        try {
+            return (T) declaringClass.getField(fieldName).get(null);
+        } catch (ReflectiveOperationException ex) {
+            throw new ReflectionUtilError(ex);
+        }
+    }
+
+    @SuppressWarnings("serial")
+    public static final class ReflectionUtilError extends Error {
+        private ReflectionUtilError(Throwable cause) {
+            super(cause);
+        }
+    }
+
+    public static Method lookupMethod(Class<?> declaringClass, String methodName, Class<?>... parameterTypes) {
+        try {
+            return declaringClass.getDeclaredMethod(methodName, parameterTypes);
+        } catch (ReflectiveOperationException ex) {
+            throw new ReflectionUtilError(ex);
+        }
+    }
+
+    public static Object invokeMethod(Method method, Object obj, Object... args) {
+        try {
+            return method.invoke(obj, args);
+        } catch (ReflectiveOperationException ex) {
+            throw new ReflectionUtilError(ex);
+        }
+    }
+}

compiler/src/org.graalvm.compiler.core.riscv64/src/org/graalvm/compiler/core/riscv64/ShadowedRISCV64.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package org.graalvm.compiler.core.riscv64;
+
+import jdk.vm.ci.code.Architecture;
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterArray;
+
+public class ShadowedRISCV64 {
+    public static final Class<?> riscv64OrNull = RISCV64ReflectionUtil.getArch(true);
+
+    public static final Register x0 = getRegister("x0");
+    public static final Register x1 = getRegister("x1");
+    public static final Register x2 = getRegister("x2");
+    public static final Register x3 = getRegister("x3");
+    public static final Register x4 = getRegister("x4");
+    public static final Register x5 = getRegister("x5");
+    public static final Register x6 = getRegister("x6");
+    public static final Register x7 = getRegister("x7");
+    public static final Register x8 = getRegister("x8");
+    public static final Register x9 = getRegister("x9");
+    public static final Register x10 = getRegister("x10");
+    public static final Register x11 = getRegister("x11");
+    public static final Register x12 = getRegister("x12");
+    public static final Register x13 = getRegister("x13");
+    public static final Register x14 = getRegister("x14");
+    public static final Register x15 = getRegister("x15");
+    public static final Register x16 = getRegister("x16");
+    public static final Register x17 = getRegister("x17");
+    public static final Register x18 = getRegister("x18");
+    public static final Register x19 = getRegister("x19");
+    public static final Register x20 = getRegister("x20");
+    public static final Register x21 = getRegister("x21");
+    public static final Register x22 = getRegister("x22");
+    public static final Register x23 = getRegister("x23");
+    public static final Register x24 = getRegister("x24");
+    public static final Register x25 = getRegister("x25");
+    public static final Register x26 = getRegister("x26");
+    public static final Register x27 = getRegister("x27");
+    public static final Register x28 = getRegister("x28");
+    public static final Register x29 = getRegister("x29");
+    public static final Register x30 = getRegister("x30");
+    public static final Register x31 = getRegister("x31");
+
+    public static final Register f0 = getRegister("f0");
+    public static final Register f1 = getRegister("f1");
+    public static final Register f2 = getRegister("f2");
+    public static final Register f3 = getRegister("f3");
+    public static final Register f4 = getRegister("f4");
+    public static final Register f5 = getRegister("f5");
+    public static final Register f6 = getRegister("f6");
+    public static final Register f7 = getRegister("f7");
+    public static final Register f8 = getRegister("f8");
+    public static final Register f9 = getRegister("f9");
+    public static final Register f10 = getRegister("f10");
+    public static final Register f11 = getRegister("f11");
+    public static final Register f12 = getRegister("f12");
+    public static final Register f13 = getRegister("f13");
+    public static final Register f14 = getRegister("f14");
+    public static final Register f15 = getRegister("f15");
+    public static final Register f16 = getRegister("f16");
+    public static final Register f17 = getRegister("f17");
+    public static final Register f18 = getRegister("f18");
+    public static final Register f19 = getRegister("f19");
+    public static final Register f20 = getRegister("f20");
+    public static final Register f21 = getRegister("f21");
+    public static final Register f22 = getRegister("f22");
+    public static final Register f23 = getRegister("f23");
+    public static final Register f24 = getRegister("f24");
+    public static final Register f25 = getRegister("f25");
+    public static final Register f26 = getRegister("f26");
+    public static final Register f27 = getRegister("f27");
+    public static final Register f28 = getRegister("f28");
+    public static final Register f29 = getRegister("f29");
+    public static final Register f30 = getRegister("f30");
+    public static final Register f31 = getRegister("f31");
+
+    public static final RegisterArray allRegisters = riscv64OrNull == null ? null : RISCV64ReflectionUtil.readStaticField(riscv64OrNull, "allRegisters");
+
+    public static boolean instanceOf(Architecture arch) {
+        return ShadowedRISCV64.riscv64OrNull != null && ShadowedRISCV64.riscv64OrNull.isInstance(arch);
+    }
+
+    private static Register getRegister(String register) {
+        return riscv64OrNull == null ? null : RISCV64ReflectionUtil.readStaticField(riscv64OrNull, register);
+    }
+}