1 /*
   2  * Copyright (c) 2000, 2012, 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 "register_x86.hpp"
  27 
  28 #ifndef AMD64
  29 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers;
  30 #else
  31 const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers << 1;
  32 #endif // AMD64
  33 
  34 const int ConcreteRegisterImpl::max_fpr = ConcreteRegisterImpl::max_gpr +
  35     2 * FloatRegisterImpl::number_of_registers;
  36 const int ConcreteRegisterImpl::max_xmm = ConcreteRegisterImpl::max_fpr +
  37     XMMRegisterImpl::max_slots_per_register * XMMRegisterImpl::number_of_registers;
  38 const int ConcreteRegisterImpl::max_kpr = ConcreteRegisterImpl::max_xmm +
  39     KRegisterImpl::max_slots_per_register * KRegisterImpl::number_of_registers;
  40 
  41 const char* RegisterImpl::name() const {
  42   const char* names[number_of_registers] = {
  43 #ifndef AMD64
  44     "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
  45 #else
  46     "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
  47     "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15"
  48 #endif // AMD64
  49   };
  50   return is_valid() ? names[encoding()] : "noreg";
  51 }
  52 
  53 const char* FloatRegisterImpl::name() const {
  54   const char* names[number_of_registers] = {
  55     "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7"
  56   };
  57   return is_valid() ? names[encoding()] : "noreg";
  58 }
  59 
  60 const char* XMMRegisterImpl::name() const {
  61   const char* names[number_of_registers] = {
  62     "xmm0","xmm1","xmm2","xmm3","xmm4","xmm5","xmm6","xmm7"
  63 #ifdef AMD64
  64     ,"xmm8",   "xmm9",  "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
  65     ,"xmm16",  "xmm17", "xmm18", "xmm19", "xmm20", "xmm21", "xmm22", "xmm23"
  66     ,"xmm24",  "xmm25", "xmm26", "xmm27", "xmm28", "xmm29", "xmm30", "xmm31"
  67 #endif // AMD64
  68   };
  69   return is_valid() ? names[encoding()] : "xnoreg";
  70 }
  71 
  72 const char* KRegisterImpl::name() const {
  73   const char* names[number_of_registers] = {
  74     "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
  75   };
  76   return is_valid() ? names[encoding()] : "knoreg";
  77 }