--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotCRuntimeCallEpilogueOp.java 2020-05-20 18:11:38.511485433 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2012, 2018, 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.lir.LIRInstruction.OperandFlag.REG; -import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK; -import static jdk.vm.ci.sparc.SPARC.g0; -import static jdk.vm.ci.sparc.SPARCKind.XWORD; - -import org.graalvm.compiler.asm.sparc.SPARCAddress; -import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; -import org.graalvm.compiler.core.common.LIRKind; -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.SPARCDelayedControlTransfer; -import org.graalvm.compiler.lir.sparc.SPARCLIRInstruction; -import org.graalvm.compiler.lir.sparc.SPARCMove; - -import jdk.vm.ci.code.Register; -import jdk.vm.ci.meta.Value; - -@Opcode("CRUNTIME_CALL_EPILOGUE") -final class SPARCHotSpotCRuntimeCallEpilogueOp extends SPARCLIRInstruction { - public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCHotSpotCRuntimeCallEpilogueOp.class); - public static final SizeEstimate SIZE = SizeEstimate.create(11); - - private final int threadLastJavaSpOffset; - private final int threadLastJavaPcOffset; - private final int threadJavaFrameAnchorFlagsOffset; - private final Register thread; - @Use({REG, STACK}) protected Value threadTemp; - - SPARCHotSpotCRuntimeCallEpilogueOp(int threadLastJavaSpOffset, int threadLastJavaPcOffset, int threadJavaFrameAnchorFlagsOffset, Register thread, Value threadTemp) { - super(TYPE, SIZE); - this.threadLastJavaSpOffset = threadLastJavaSpOffset; - this.threadLastJavaPcOffset = threadLastJavaPcOffset; - this.threadJavaFrameAnchorFlagsOffset = threadJavaFrameAnchorFlagsOffset; - this.thread = thread; - this.threadTemp = threadTemp; - } - - @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - - // Restore the thread register when coming back from the runtime. - SPARCMove.move(crb, masm, thread.asValue(LIRKind.value(XWORD)), threadTemp, SPARCDelayedControlTransfer.DUMMY); - - // Reset last Java frame, last Java PC and flags. - masm.stx(g0, new SPARCAddress(thread, threadLastJavaSpOffset)); - masm.stx(g0, new SPARCAddress(thread, threadLastJavaPcOffset)); - masm.stw(g0, new SPARCAddress(thread, threadJavaFrameAnchorFlagsOffset)); - } -}