vfp.hh revision 7375:7095d84ffb36 
1/*
2 * Copyright (c) 2010 ARM Limited
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_ARM_INSTS_VFP_HH__
41#define __ARCH_ARM_INSTS_VFP_HH__
42
43#include "arch/arm/insts/misc.hh"
44
45enum VfpMicroMode {
46    VfpNotAMicroop,
47    VfpMicroop,
48    VfpFirstMicroop,
49    VfpLastMicroop
50};
51
52template<class T>
53static inline void
54setVfpMicroFlags(VfpMicroMode mode, T &flags)
55{
56    switch (mode) {
57      case VfpMicroop:
58        flags[StaticInst::IsMicroop] = true;
59        break;
60      case VfpFirstMicroop:
61        flags[StaticInst::IsMicroop] =
62            flags[StaticInst::IsFirstMicroop] = true;
63        break;
64      case VfpLastMicroop:
65        flags[StaticInst::IsMicroop] =
66            flags[StaticInst::IsLastMicroop] = true;
67        break;
68      case VfpNotAMicroop:
69        break;
70    }
71}
72
73class VfpRegRegOp : public RegRegOp
74{
75  protected:
76    VfpRegRegOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
77                IntRegIndex _dest, IntRegIndex _op1,
78                VfpMicroMode mode = VfpNotAMicroop) :
79        RegRegOp(mnem, _machInst, __opClass, _dest, _op1)
80    {
81        setVfpMicroFlags(mode, flags);
82    }
83};
84
85class VfpRegImmOp : public RegImmOp
86{
87  protected:
88    VfpRegImmOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
89                IntRegIndex _dest, uint64_t _imm,
90                VfpMicroMode mode = VfpNotAMicroop) :
91        RegImmOp(mnem, _machInst, __opClass, _dest, _imm)
92    {
93        setVfpMicroFlags(mode, flags);
94    }
95};
96
97class VfpRegRegImmOp : public RegRegImmOp
98{
99  protected:
100    VfpRegRegImmOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
101                   IntRegIndex _dest, IntRegIndex _op1,
102                   uint64_t _imm, VfpMicroMode mode = VfpNotAMicroop) :
103        RegRegImmOp(mnem, _machInst, __opClass, _dest, _op1, _imm)
104    {
105        setVfpMicroFlags(mode, flags);
106    }
107};
108
109class VfpRegRegRegOp : public RegRegRegOp
110{
111  protected:
112    VfpRegRegRegOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
113                   IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
114                   VfpMicroMode mode = VfpNotAMicroop) :
115        RegRegRegOp(mnem, _machInst, __opClass, _dest, _op1, _op2)
116    {
117        setVfpMicroFlags(mode, flags);
118    }
119};
120
121#endif //__ARCH_ARM_INSTS_VFP_HH__
122