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1 /* |
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2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef CPU_X86_VM_VMREG_X86_HPP |
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26 #define CPU_X86_VM_VMREG_X86_HPP |
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27 |
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28 |
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29 |
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30 inline bool is_Register() { |
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31 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; |
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32 } |
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33 |
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34 inline bool is_FloatRegister() { |
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35 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; |
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36 } |
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37 |
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38 inline bool is_XMMRegister() { |
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39 int uarch_max_xmm = ConcreteRegisterImpl::max_xmm; |
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40 |
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41 #ifdef _LP64 |
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42 if (UseAVX < 3) { |
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43 int half_xmm = (XMMRegisterImpl::max_slots_per_register * XMMRegisterImpl::number_of_registers) / 2; |
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44 uarch_max_xmm -= half_xmm; |
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45 } |
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46 #endif |
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47 |
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48 return (value() >= ConcreteRegisterImpl::max_fpr && value() < uarch_max_xmm); |
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49 } |
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50 |
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51 inline bool is_KRegister() { |
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52 if (UseAVX > 2) { |
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53 return value() >= ConcreteRegisterImpl::max_xmm && value() < ConcreteRegisterImpl::max_kpr; |
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54 } else { |
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55 return false; |
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56 } |
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57 } |
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58 |
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59 inline Register as_Register() { |
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60 |
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61 assert( is_Register(), "must be"); |
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62 // Yuk |
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63 #ifdef AMD64 |
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64 return ::as_Register(value() >> 1); |
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65 #else |
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66 return ::as_Register(value()); |
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67 #endif // AMD64 |
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68 } |
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69 |
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70 inline FloatRegister as_FloatRegister() { |
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71 assert( is_FloatRegister() && is_even(value()), "must be" ); |
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72 // Yuk |
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73 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); |
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74 } |
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75 |
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76 inline XMMRegister as_XMMRegister() { |
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77 assert( is_XMMRegister() && is_even(value()), "must be" ); |
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78 // Yuk |
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79 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 4); |
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80 } |
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81 |
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82 inline KRegister as_KRegister() { |
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83 assert(is_KRegister(), "must be"); |
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84 // Yuk |
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85 return ::as_KRegister((value() - ConcreteRegisterImpl::max_xmm)); |
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86 } |
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87 |
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88 inline bool is_concrete() { |
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89 assert(is_reg(), "must be"); |
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90 #ifndef AMD64 |
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91 if (is_Register()) return true; |
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92 #endif // AMD64 |
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93 return is_even(value()); |
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94 } |
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95 |
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96 #endif // CPU_X86_VM_VMREG_X86_HPP |