2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.jvm.bytecode;
20 import gov.nasa.jpf.vm.StackFrame;
21 import gov.nasa.jpf.vm.ThreadInfo;
25 * Return float from method
26 * ..., value => [empty]
28 public class FRETURN extends JVMReturnInstruction {
33 public int getReturnTypeSize() {
38 protected Object getReturnedOperandAttr (StackFrame frame) {
39 return frame.getOperandAttr();
43 protected void getAndSaveReturnValue (StackFrame frame) {
44 ret = frame.popFloat();
48 protected void pushReturnValue (StackFrame frame) {
52 public float getReturnValue () {
57 public Float getReturnValue (ThreadInfo ti) {
58 if (!isCompleted(ti)) { // we have to pull it from the operand stack
59 StackFrame frame = ti.getTopFrame();
60 ret = frame.peekFloat();
63 return new Float(ret);
67 public int getByteCode () {
72 public String toString() {
73 return "freturn " + mi.getFullName();
77 public void accept(JVMInstructionVisitor insVisitor) {
78 insVisitor.visit(this);