--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCDeoptimizeOp.java 2020-05-20 18:11:36.315443272 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,67 +0,0 @@ -/* - * Copyright (c) 2012, 2020, 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 - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - - -package org.graalvm.compiler.hotspot.sparc; - -import static org.graalvm.compiler.hotspot.HotSpotHostBackend.DEOPT_BLOB_UNCOMMON_TRAP; - -import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; -import org.graalvm.compiler.core.common.LIRKind; -import org.graalvm.compiler.lir.LIRFrameState; -import org.graalvm.compiler.lir.LIRInstructionClass; -import org.graalvm.compiler.lir.Opcode; -import org.graalvm.compiler.lir.asm.CompilationResultBuilder; -import org.graalvm.compiler.lir.sparc.SPARCBlockEndOp; -import org.graalvm.compiler.lir.sparc.SPARCCall; - -import jdk.vm.ci.meta.AllocatableValue; -import jdk.vm.ci.meta.PlatformKind; -import jdk.vm.ci.sparc.SPARC; - -@Opcode("DEOPT") -final class SPARCDeoptimizeOp extends SPARCBlockEndOp { - public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCDeoptimizeOp.class); - public static final SizeEstimate SIZE = SizeEstimate.create(1); - @Temp AllocatableValue pcRegister; - @State private LIRFrameState info; - - SPARCDeoptimizeOp(LIRFrameState info, PlatformKind wordKind) { - super(TYPE, SIZE); - this.info = info; - pcRegister = SPARC.o7.asValue(LIRKind.value(wordKind)); - } - - @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - // TODO the patched call address looks odd (and is invalid) compared to other runtime calls: - // 0xffffffff749bb5fc: call 0xffffffff415a720c ; {runtime_call} - // [Exception Handler] - // 0xffffffff749bb604: call 0xffffffff749bb220 ; {runtime_call} - // 0xffffffff749bb608: nop - // [Deopt Handler Code] - // 0xffffffff749bb60c: call 0xffffffff748da540 ; {runtime_call} - // 0xffffffff749bb610: nop - SPARCCall.directCall(crb, masm, crb.foreignCalls.lookupForeignCall(DEOPT_BLOB_UNCOMMON_TRAP), null, info); - } -}