1 /*
   2  * Copyright (c) 2005, 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 # include "incls/_precompiled.incl"
  26 # include "incls/_c1_FpuStackSim_x86.cpp.incl"



  27 
  28 //--------------------------------------------------------
  29 //               FpuStackSim
  30 //--------------------------------------------------------
  31 
  32 // This class maps the FPU registers to their stack locations; it computes
  33 // the offsets between individual registers and simulates the FPU stack.
  34 
  35 const int EMPTY = -1;
  36 
  37 int FpuStackSim::regs_at(int i) const {
  38   assert(i >= 0 && i < FrameMap::nof_fpu_regs, "out of bounds");
  39   return _regs[i];
  40 }
  41 
  42 void FpuStackSim::set_regs_at(int i, int val) {
  43   assert(i >= 0 && i < FrameMap::nof_fpu_regs, "out of bounds");
  44   _regs[i] = val;
  45 }
  46 

   1 /*
   2  * Copyright (c) 2005, 2010, 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 #include "precompiled.hpp"
  26 #include "c1/c1_FpuStackSim.hpp"
  27 #include "c1/c1_FrameMap.hpp"
  28 #include "utilities/array.hpp"
  29 #include "utilities/ostream.hpp"
  30 
  31 //--------------------------------------------------------
  32 //               FpuStackSim
  33 //--------------------------------------------------------
  34 
  35 // This class maps the FPU registers to their stack locations; it computes
  36 // the offsets between individual registers and simulates the FPU stack.
  37 
  38 const int EMPTY = -1;
  39 
  40 int FpuStackSim::regs_at(int i) const {
  41   assert(i >= 0 && i < FrameMap::nof_fpu_regs, "out of bounds");
  42   return _regs[i];
  43 }
  44 
  45 void FpuStackSim::set_regs_at(int i, int val) {
  46   assert(i >= 0 && i < FrameMap::nof_fpu_regs, "out of bounds");
  47   _regs[i] = val;
  48 }
  49