--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotPushInterpreterFrameOp.java 2020-05-20 18:11:51.047726115 -0700 +++ /dev/null 2020-03-09 18:57:19.455001459 -0700 @@ -1,100 +0,0 @@ -/* - * Copyright (c) 2013, 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 jdk.vm.ci.code.ValueUtil.asRegister; -import static jdk.vm.ci.sparc.SPARC.i0; -import static jdk.vm.ci.sparc.SPARC.i1; -import static jdk.vm.ci.sparc.SPARC.i2; -import static jdk.vm.ci.sparc.SPARC.i3; -import static jdk.vm.ci.sparc.SPARC.i4; -import static jdk.vm.ci.sparc.SPARC.i7; -import static jdk.vm.ci.sparc.SPARC.o0; -import static jdk.vm.ci.sparc.SPARC.o1; -import static jdk.vm.ci.sparc.SPARC.o2; -import static jdk.vm.ci.sparc.SPARC.o3; -import static jdk.vm.ci.sparc.SPARC.o4; -import static jdk.vm.ci.sparc.SPARC.o5; -import static jdk.vm.ci.sparc.SPARC.sp; - -import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; -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.SPARCLIRInstruction; - -import jdk.vm.ci.code.Register; -import jdk.vm.ci.meta.AllocatableValue; - -/** - * Pushes an interpreter frame to the stack. - */ -@Opcode("PUSH_INTERPRETER_FRAME") -final class SPARCHotSpotPushInterpreterFrameOp extends SPARCLIRInstruction { - public static final LIRInstructionClass TYPE = LIRInstructionClass.create(SPARCHotSpotPushInterpreterFrameOp.class); - - @Alive(REG) AllocatableValue frameSize; - @Alive(REG) AllocatableValue framePc; - @Alive(REG) AllocatableValue senderSp; - @Alive(REG) AllocatableValue initialInfo; - - SPARCHotSpotPushInterpreterFrameOp(AllocatableValue frameSize, AllocatableValue framePc, AllocatableValue senderSp, AllocatableValue initialInfo) { - super(TYPE); - this.frameSize = frameSize; - this.framePc = framePc; - this.senderSp = senderSp; - this.initialInfo = initialInfo; - } - - @Override - public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { - final Register frameSizeRegister = asRegister(frameSize); - final Register framePcRegister = asRegister(framePc); - final Register senderSpRegister = asRegister(senderSp); - - // Save sender SP to O5_savedSP. - masm.mov(senderSpRegister, o5); - - masm.neg(frameSizeRegister); - masm.save(sp, frameSizeRegister, sp); - - masm.mov(i0, o0); - masm.mov(i1, o1); - masm.mov(i2, o2); - masm.mov(i3, o3); - masm.mov(i4, o4); - - // NOTE: Don't touch I5 as it contains valuable saved SP! - - // Move frame's new PC into i7 - masm.mov(framePcRegister, i7); - } - - @Override - public boolean leavesRegisterWindow() { - return true; - } -}