src/hotspot/cpu/ppc/register_ppc.cpp
changeset 47216 71c04702a3d5
parent 46809 057f21a10f5f
child 51710 355bd23b46e5
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 /*
       
     2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
       
     3  * Copyright (c) 2012, 2017 SAP SE. All rights reserved.
       
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     5  *
       
     6  * This code is free software; you can redistribute it and/or modify it
       
     7  * under the terms of the GNU General Public License version 2 only, as
       
     8  * published by the Free Software Foundation.
       
     9  *
       
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    13  * version 2 for more details (a copy is included in the LICENSE file that
       
    14  * accompanied this code).
       
    15  *
       
    16  * You should have received a copy of the GNU General Public License version
       
    17  * 2 along with this work; if not, write to the Free Software Foundation,
       
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    19  *
       
    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    21  * or visit www.oracle.com if you need additional information or have any
       
    22  * questions.
       
    23  *
       
    24  */
       
    25 
       
    26 #include "precompiled.hpp"
       
    27 #include "register_ppc.hpp"
       
    28 
       
    29 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers * 2;
       
    30 const int ConcreteRegisterImpl::max_fpr = ConcreteRegisterImpl::max_gpr +
       
    31                                           FloatRegisterImpl::number_of_registers * 2;
       
    32 const int ConcreteRegisterImpl::max_cnd = ConcreteRegisterImpl::max_fpr +
       
    33                                           ConditionRegisterImpl::number_of_registers;
       
    34 
       
    35 const char* RegisterImpl::name() const {
       
    36   const char* names[number_of_registers] = {
       
    37     "R0",  "R1",  "R2",  "R3",  "R4",  "R5",  "R6",  "R7",
       
    38     "R8",  "R9",  "R10", "R11", "R12", "R13", "R14", "R15",
       
    39     "R16", "R17", "R18", "R19", "R20", "R21", "R22", "R23",
       
    40     "R24", "R25", "R26", "R27", "R28", "R29", "R30", "R31"
       
    41   };
       
    42   return is_valid() ? names[encoding()] : "noreg";
       
    43 }
       
    44 
       
    45 const char* ConditionRegisterImpl::name() const {
       
    46   const char* names[number_of_registers] = {
       
    47     "CR0",  "CR1",  "CR2",  "CR3",  "CR4",  "CR5",  "CR6",  "CR7"
       
    48   };
       
    49   return is_valid() ? names[encoding()] : "cnoreg";
       
    50 }
       
    51 
       
    52 const char* FloatRegisterImpl::name() const {
       
    53   const char* names[number_of_registers] = {
       
    54     "F0",  "F1",  "F2",  "F3",  "F4",  "F5",  "F6",  "F7",
       
    55     "F8",  "F9",  "F10", "F11", "F12", "F13", "F14", "F15",
       
    56     "F16", "F17", "F18", "F19", "F20", "F21", "F22", "F23",
       
    57     "F24", "F25", "F26", "F27", "F28", "F29", "F30", "F31"
       
    58   };
       
    59   return is_valid() ? names[encoding()] : "fnoreg";
       
    60 }
       
    61 
       
    62 const char* SpecialRegisterImpl::name() const {
       
    63   const char* names[number_of_registers] = {
       
    64     "SR_XER", "SR_LR", "SR_CTR", "SR_VRSAVE", "SR_SPEFSCR", "SR_PPR"
       
    65   };
       
    66   return is_valid() ? names[encoding()] : "snoreg";
       
    67 }
       
    68 
       
    69 const char* VectorRegisterImpl::name() const {
       
    70   const char* names[number_of_registers] = {
       
    71     "VR0",  "VR1",  "VR2",  "VR3",  "VR4",  "VR5",  "VR6",  "VR7",
       
    72     "VR8",  "VR9",  "VR10", "VR11", "VR12", "VR13", "VR14", "VR15",
       
    73     "VR16", "VR17", "VR18", "VR19", "VR20", "VR21", "VR22", "VR23",
       
    74     "VR24", "VR25", "VR26", "VR27", "VR28", "VR29", "VR30", "VR31"
       
    75   };
       
    76   return is_valid() ? names[encoding()] : "vnoreg";
       
    77 }
       
    78 
       
    79 const char* VectorSRegisterImpl::name() const {
       
    80   const char* names[number_of_registers] = {
       
    81     "VSR0",  "VSR1",  "VSR2",  "VSR3",  "VSR4",  "VSR5",  "VSR6",  "VSR7",
       
    82     "VSR8",  "VSR9",  "VSR10", "VSR11", "VSR12", "VSR13", "VSR14", "VSR15",
       
    83     "VSR16", "VSR17", "VSR18", "VSR19", "VSR20", "VSR21", "VSR22", "VSR23",
       
    84     "VSR24", "VSR25", "VSR26", "VSR27", "VSR28", "VSR29", "VSR30", "VSR31",
       
    85     "VSR32", "VSR33", "VSR34", "VSR35", "VSR36", "VSR37", "VSR38", "VSR39",
       
    86     "VSR40", "VSR41", "VSR42", "VSR43", "VSR44", "VSR45", "VSR46", "VSR47",
       
    87     "VSR48", "VSR49", "VSR50", "VSR51", "VSR52", "VSR53", "VSR54", "VSR55",
       
    88     "VSR56", "VSR57", "VSR58", "VSR59", "VSR60", "VSR61", "VSR62", "VSR63"
       
    89   };
       
    90   return is_valid() ? names[encoding()] : "vsnoreg";
       
    91 }
       
    92 
       
    93 // Method to convert a VectorRegister to a Vector-Scalar Register (VectorSRegister)
       
    94 VectorSRegister VectorRegisterImpl::to_vsr() const {
       
    95   if (this == vnoreg) { return vsnoregi; }
       
    96   return as_VectorSRegister(encoding() + 32);
       
    97 }