src/arch/x86/floatregs.hh

   1 /*
   2  * Copyright (c) 2007 The Hewlett-Packard Development Company
   3  * All rights reserved.
   4  *
   5  * Redistribution and use of this software in source and binary forms,
   6  * with or without modification, are permitted provided that the
   7  * following conditions are met:
   8  *
   9  * The software must be used only for Non-Commercial Use which means any
  10  * use which is NOT directed to receiving any direct monetary
  11  * compensation for, or commercial advantage from such use.  Illustrative
  12  * examples of non-commercial use are academic research, personal study,
  13  * teaching, education and corporate research & development.
  14  * Illustrative examples of commercial use are distributing products for
  15  * commercial advantage and providing services using the software for
  16  * commercial advantage.
  17  *
  18  * If you wish to use this software or functionality therein that may be
  19  * covered by patents for commercial use, please contact:
  20  *     Director of Intellectual Property Licensing
  21  *     Office of Strategy and Technology
  22  *     Hewlett-Packard Company
  23  *     1501 Page Mill Road
  24  *     Palo Alto, California  94304
  25  *
  26  * Redistributions of source code must retain the above copyright notice,
  27  * this list of conditions and the following disclaimer.  Redistributions
  28  * in binary form must reproduce the above copyright notice, this list of
  29  * conditions and the following disclaimer in the documentation and/or
  30  * other materials provided with the distribution.  Neither the name of
  31  * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
  32  * contributors may be used to endorse or promote products derived from
  33  * this software without specific prior written permission.  No right of
  34  * sublicense is granted herewith.  Derivatives of the software and
  35  * output created using the software may be prepared, but only for
  36  * Non-Commercial Uses.  Derivatives of the software may be shared with
  37  * others provided: (i) the others agree to abide by the list of
  38  * conditions herein which includes the Non-Commercial Use restrictions;
  39  * and (ii) such Derivatives of the software include the above copyright
  40  * notice to acknowledge the contribution from this software where
  41  * applicable, this list of conditions and the disclaimer below.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  52  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  53  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54  *
  55  * Authors: Gabe Black
  56  */
  57
  58 #ifndef __ARCH_X86_FLOATREGS_HH__
  59 #define __ARCH_X86_FLOATREGS_HH__
  60
  61 #include "arch/x86/x86_traits.hh"
  62 #include "base/bitunion.hh"
  63
  64 namespace X86ISA
  65 {
  66     enum FloatRegIndex
  67     {
  68         // MMX/X87 registers
  69         FLOATREG_MMX_BASE,
  70         FLOATREG_FPR_BASE = FLOATREG_MMX_BASE,
  71         FLOATREG_MMX0 = FLOATREG_MMX_BASE,
  72         FLOATREG_MMX1,
  73         FLOATREG_MMX2,
  74         FLOATREG_MMX3,
  75         FLOATREG_MMX4,
  76         FLOATREG_MMX5,
  77         FLOATREG_MMX6,
  78         FLOATREG_MMX7,
  79
  80         FLOATREG_FPR0 = FLOATREG_FPR_BASE,
  81         FLOATREG_FPR1,
  82         FLOATREG_FPR2,
  83         FLOATREG_FPR3,
  84         FLOATREG_FPR4,
  85         FLOATREG_FPR5,
  86         FLOATREG_FPR6,
  87         FLOATREG_FPR7,
  88
  89         FLOATREG_XMM_BASE = FLOATREG_MMX_BASE + NumMMXRegs,
  90         FLOATREG_XMM0_LOW = FLOATREG_XMM_BASE,
  91         FLOATREG_XMM0_HIGH,
  92         FLOATREG_XMM1_LOW,
  93         FLOATREG_XMM1_HIGH,
  94         FLOATREG_XMM2_LOW,
  95         FLOATREG_XMM2_HIGH,
  96         FLOATREG_XMM3_LOW,
  97         FLOATREG_XMM3_HIGH,
  98         FLOATREG_XMM4_LOW,
  99         FLOATREG_XMM4_HIGH,
 100         FLOATREG_XMM5_LOW,
 101         FLOATREG_XMM5_HIGH,
 102         FLOATREG_XMM6_LOW,
 103         FLOATREG_XMM6_HIGH,
 104         FLOATREG_XMM7_LOW,
 105         FLOATREG_XMM7_HIGH,
 106         FLOATREG_XMM8_LOW,
 107         FLOATREG_XMM8_HIGH,
 108         FLOATREG_XMM9_LOW,
 109         FLOATREG_XMM9_HIGH,
 110         FLOATREG_XMM10_LOW,
 111         FLOATREG_XMM10_HIGH,
 112         FLOATREG_XMM11_LOW,
 113         FLOATREG_XMM11_HIGH,
 114         FLOATREG_XMM12_LOW,
 115         FLOATREG_XMM12_HIGH,
 116         FLOATREG_XMM13_LOW,
 117         FLOATREG_XMM13_HIGH,
 118         FLOATREG_XMM14_LOW,
 119         FLOATREG_XMM14_HIGH,
 120         FLOATREG_XMM15_LOW,
 121         FLOATREG_XMM15_HIGH,
 122
 123         FLOATREG_MICROFP_BASE = FLOATREG_XMM_BASE + 2 * NumXMMRegs,
 124         FLOATREG_MICROFP0 = FLOATREG_MICROFP_BASE,
 125         FLOATREG_MICROFP1,
 126         FLOATREG_MICROFP2,
 127         FLOATREG_MICROFP3,
 128         FLOATREG_MICROFP4,
 129         FLOATREG_MICROFP5,
 130         FLOATREG_MICROFP6,
 131         FLOATREG_MICROFP7,
 132
 133         NUM_FLOATREGS = FLOATREG_MICROFP_BASE + NumMicroFpRegs
 134     };
 135
 136     static inline FloatRegIndex
 137     FLOATREG_MMX(int index)
 138     {
 139         return (FloatRegIndex)(FLOATREG_MMX_BASE + index);
 140     }
 141
 142     static inline FloatRegIndex
 143     FLOATREG_FPR(int index)
 144     {
 145         return (FloatRegIndex)(FLOATREG_FPR_BASE + index);
 146     }
 147
 148     static inline FloatRegIndex
 149     FLOATREG_XMM_LOW(int index)
 150     {
 151         return (FloatRegIndex)(FLOATREG_XMM_BASE + 2 * index);
 152     }
 153
 154     static inline FloatRegIndex
 155     FLOATREG_XMM_HIGH(int index)
 156     {
 157         return (FloatRegIndex)(FLOATREG_XMM_BASE + 2 * index + 1);
 158     }
 159
 160     static inline FloatRegIndex
 161     FLOATREG_MICROFP(int index)
 162     {
 163         return (FloatRegIndex)(FLOATREG_MICROFP_BASE + index);
 164     }
 165
 166     static inline FloatRegIndex
 167     FLOATREG_STACK(int index, int top)
 168     {
 169         return FLOATREG_FPR((top + index + 8) % 8);
 170     }
 171 };
 172
 173 #endif // __ARCH_X86_FLOATREGS_HH__