1 /* 2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot.sparc; 26 27 import static jdk.vm.ci.sparc.SPARC.g5; 28 29 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler; 30 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 31 import org.graalvm.compiler.lir.LIRFrameState; 32 import org.graalvm.compiler.lir.LIRInstructionClass; 33 import org.graalvm.compiler.lir.Opcode; 34 import org.graalvm.compiler.lir.asm.CompilationResultBuilder; 35 import org.graalvm.compiler.lir.sparc.SPARCCall.DirectCallOp; 36 import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind; 37 38 import jdk.vm.ci.code.Register; 39 import jdk.vm.ci.meta.ResolvedJavaMethod; 40 import jdk.vm.ci.meta.Value; 41 42 /** 43 * A direct call that complies with the conventions for such calls in HotSpot. In particular, for 44 * calls using an inline cache, a MOVE instruction is emitted just prior to the aligned direct call. 45 */ 46 @Opcode("CALL_DIRECT") 47 final class SPARCHotspotDirectVirtualCallOp extends DirectCallOp { 48 public static final LIRInstructionClass<SPARCHotspotDirectVirtualCallOp> TYPE = LIRInstructionClass.create(SPARCHotspotDirectVirtualCallOp.class); 49 public static final SizeEstimate SIZE = SizeEstimate.create(8); 50 51 private final InvokeKind invokeKind; 52 private final GraalHotSpotVMConfig config; 53 54 SPARCHotspotDirectVirtualCallOp(ResolvedJavaMethod target, Value result, Value[] parameters, Value[] temps, LIRFrameState state, InvokeKind invokeKind, GraalHotSpotVMConfig config) { 55 super(TYPE, SIZE, target, result, parameters, temps, state); 56 this.invokeKind = invokeKind; 57 this.config = config; 58 assert invokeKind.isIndirect(); 59 } 60 61 @Override 62 public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { 63 // The mark for an invocation that uses an inline cache must be placed at the 64 // instruction that loads the Klass from the inline cache. 65 crb.recordMark(invokeKind == InvokeKind.Virtual ? config.MARKID_INVOKEVIRTUAL : config.MARKID_INVOKEINTERFACE); 66 Register scratchRegister = g5; 67 masm.setx(config.nonOopBits, scratchRegister, true); 68 } 69 }