| /* |
| * Copyright (c) 2013, 2015, 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.lir.amd64; |
| |
| import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL; |
| import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; |
| import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK; |
| |
| import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; |
| import org.graalvm.compiler.lir.LIRInstructionClass; |
| import org.graalvm.compiler.lir.asm.CompilationResultBuilder; |
| |
| import jdk.vm.ci.code.Register; |
| import jdk.vm.ci.code.ValueUtil; |
| import jdk.vm.ci.meta.Value; |
| |
| public final class AMD64CCall extends AMD64LIRInstruction { |
| public static final LIRInstructionClass<AMD64CCall> TYPE = LIRInstructionClass.create(AMD64CCall.class); |
| |
| @Def({REG, ILLEGAL}) protected Value result; |
| @Use({REG, STACK}) protected Value[] parameters; |
| @Use({REG}) protected Value functionPtr; |
| @Use({REG}) protected Value numberOfFloatingPointArguments; |
| |
| public AMD64CCall(Value result, Value functionPtr, Value numberOfFloatingPointArguments, Value[] parameters) { |
| super(TYPE); |
| this.result = result; |
| this.functionPtr = functionPtr; |
| this.parameters = parameters; |
| this.numberOfFloatingPointArguments = numberOfFloatingPointArguments; |
| } |
| |
| @Override |
| public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { |
| directCall(masm); |
| } |
| |
| private void directCall(AMD64MacroAssembler masm) { |
| Register reg = ValueUtil.asRegister(functionPtr); |
| masm.call(reg); |
| masm.ensureUniquePC(); |
| } |
| |
| @Override |
| public boolean destroysCallerSavedRegisters() { |
| return true; |
| } |
| |
| } |