1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#ifndef __ARCH_X86_FLOATREGS_HH__
41#define __ARCH_X86_FLOATREGS_HH__
42
43#include "arch/x86/x86_traits.hh"
44#include "base/bitunion.hh"
45
46namespace X86ISA
47{
48    enum FloatRegIndex
49    {
50        // MMX/X87 registers
51        FLOATREG_MMX_BASE,
52        FLOATREG_FPR_BASE = FLOATREG_MMX_BASE,
53        FLOATREG_MMX0 = FLOATREG_MMX_BASE,
54        FLOATREG_MMX1,
55        FLOATREG_MMX2,
56        FLOATREG_MMX3,
57        FLOATREG_MMX4,
58        FLOATREG_MMX5,
59        FLOATREG_MMX6,
60        FLOATREG_MMX7,
61
62        FLOATREG_FPR0 = FLOATREG_FPR_BASE,
63        FLOATREG_FPR1,
64        FLOATREG_FPR2,
65        FLOATREG_FPR3,
66        FLOATREG_FPR4,
67        FLOATREG_FPR5,
68        FLOATREG_FPR6,
69        FLOATREG_FPR7,
70
71        FLOATREG_XMM_BASE = FLOATREG_MMX_BASE + NumMMXRegs,
72        FLOATREG_XMM0_LOW = FLOATREG_XMM_BASE,
73        FLOATREG_XMM0_HIGH,
74        FLOATREG_XMM1_LOW,
75        FLOATREG_XMM1_HIGH,
76        FLOATREG_XMM2_LOW,
77        FLOATREG_XMM2_HIGH,
78        FLOATREG_XMM3_LOW,
79        FLOATREG_XMM3_HIGH,
80        FLOATREG_XMM4_LOW,
81        FLOATREG_XMM4_HIGH,
82        FLOATREG_XMM5_LOW,
83        FLOATREG_XMM5_HIGH,
84        FLOATREG_XMM6_LOW,
85        FLOATREG_XMM6_HIGH,
86        FLOATREG_XMM7_LOW,
87        FLOATREG_XMM7_HIGH,
88        FLOATREG_XMM8_LOW,
89        FLOATREG_XMM8_HIGH,
90        FLOATREG_XMM9_LOW,
91        FLOATREG_XMM9_HIGH,
92        FLOATREG_XMM10_LOW,
93        FLOATREG_XMM10_HIGH,
94        FLOATREG_XMM11_LOW,
95        FLOATREG_XMM11_HIGH,
96        FLOATREG_XMM12_LOW,
97        FLOATREG_XMM12_HIGH,
98        FLOATREG_XMM13_LOW,
99        FLOATREG_XMM13_HIGH,
100        FLOATREG_XMM14_LOW,
101        FLOATREG_XMM14_HIGH,
102        FLOATREG_XMM15_LOW,
103        FLOATREG_XMM15_HIGH,
104
105        FLOATREG_MICROFP_BASE = FLOATREG_XMM_BASE + 2 * NumXMMRegs,
106        FLOATREG_MICROFP0 = FLOATREG_MICROFP_BASE,
107        FLOATREG_MICROFP1,
108        FLOATREG_MICROFP2,
109        FLOATREG_MICROFP3,
110        FLOATREG_MICROFP4,
111        FLOATREG_MICROFP5,
112        FLOATREG_MICROFP6,
113        FLOATREG_MICROFP7,
114
115        NUM_FLOATREGS = FLOATREG_MICROFP_BASE + NumMicroFpRegs
116    };
117
118    static inline FloatRegIndex
119    FLOATREG_MMX(int index)
120    {
121        return (FloatRegIndex)(FLOATREG_MMX_BASE + index);
122    }
123
124    static inline FloatRegIndex
125    FLOATREG_FPR(int index)
126    {
127        return (FloatRegIndex)(FLOATREG_FPR_BASE + index);
128    }
129
130    static inline FloatRegIndex
131    FLOATREG_XMM_LOW(int index)
132    {
133        return (FloatRegIndex)(FLOATREG_XMM_BASE + 2 * index);
134    }
135
136    static inline FloatRegIndex
137    FLOATREG_XMM_HIGH(int index)
138    {
139        return (FloatRegIndex)(FLOATREG_XMM_BASE + 2 * index + 1);
140    }
141
142    static inline FloatRegIndex
143    FLOATREG_MICROFP(int index)
144    {
145        return (FloatRegIndex)(FLOATREG_MICROFP_BASE + index);
146    }
147
148    static inline FloatRegIndex
149    FLOATREG_STACK(int index, int top)
150    {
151        return FLOATREG_FPR((top + index + 8) % 8);
152    }
153}
154
155#endif // __ARCH_X86_FLOATREGS_HH__
156