register_x86.cpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 2000, 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 "register_x86.hpp"
27
28#ifndef AMD64
29const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers;
30#else
31const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers << 1;
32#endif // AMD64
33
34
35const int ConcreteRegisterImpl::max_fpr = ConcreteRegisterImpl::max_gpr +
36                                                                 2 * FloatRegisterImpl::number_of_registers;
37const int ConcreteRegisterImpl::max_xmm = ConcreteRegisterImpl::max_fpr +
38                                                                 2 * XMMRegisterImpl::number_of_registers;
39const char* RegisterImpl::name() const {
40  const char* names[number_of_registers] = {
41#ifndef AMD64
42    "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi"
43#else
44    "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
45    "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15"
46#endif // AMD64
47  };
48  return is_valid() ? names[encoding()] : "noreg";
49}
50
51const char* FloatRegisterImpl::name() const {
52  const char* names[number_of_registers] = {
53    "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7"
54  };
55  return is_valid() ? names[encoding()] : "noreg";
56}
57
58const char* XMMRegisterImpl::name() const {
59  const char* names[number_of_registers] = {
60    "xmm0","xmm1","xmm2","xmm3","xmm4","xmm5","xmm6","xmm7"
61#ifdef AMD64
62    ,"xmm8",  "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15"
63#endif // AMD64
64  };
65  return is_valid() ? names[encoding()] : "xnoreg";
66}
67