pred.isa (7646:a444dbee8c07) pred.isa (7848:cc5e64f8423f)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Stephen Hines
42
43////////////////////////////////////////////////////////////////////
44//
45// Predicated Instruction Execution
46//
47
48let {{
49 predicateTest = 'testPredicate(OptCondCodes, condCode)'
50 condPredicateTest = 'testPredicate(CondCodes, condCode)'
51}};
52
53def template DataImmDeclare {{
54class %(class_name)s : public %(base_class)s
55{
56 public:
57 // Constructor
58 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
59 IntRegIndex _op1, uint32_t _imm, bool _rotC=true);
60 %(BasicExecDeclare)s
61};
62}};
63
64def template DataImmConstructor {{
65 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
66 IntRegIndex _dest,
67 IntRegIndex _op1,
68 uint32_t _imm,
69 bool _rotC)
70 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
71 _dest, _op1, _imm, _rotC)
72 {
73 %(constructor)s;
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Stephen Hines
42
43////////////////////////////////////////////////////////////////////
44//
45// Predicated Instruction Execution
46//
47
48let {{
49 predicateTest = 'testPredicate(OptCondCodes, condCode)'
50 condPredicateTest = 'testPredicate(CondCodes, condCode)'
51}};
52
53def template DataImmDeclare {{
54class %(class_name)s : public %(base_class)s
55{
56 public:
57 // Constructor
58 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
59 IntRegIndex _op1, uint32_t _imm, bool _rotC=true);
60 %(BasicExecDeclare)s
61};
62}};
63
64def template DataImmConstructor {{
65 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
66 IntRegIndex _dest,
67 IntRegIndex _op1,
68 uint32_t _imm,
69 bool _rotC)
70 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
71 _dest, _op1, _imm, _rotC)
72 {
73 %(constructor)s;
74 if (!(condCode == COND_AL || condCode == COND_UC)) {
75 for (int x = 0; x < _numDestRegs; x++) {
76 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
77 }
78 }
74 }
75}};
76
77def template DataRegDeclare {{
78class %(class_name)s : public %(base_class)s
79{
80 public:
81 // Constructor
82 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
83 IntRegIndex _op1, IntRegIndex _op2,
84 int32_t _shiftAmt, ArmShiftType _shiftType);
85 %(BasicExecDeclare)s
86};
87}};
88
89def template DataRegConstructor {{
90 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
91 IntRegIndex _dest,
92 IntRegIndex _op1,
93 IntRegIndex _op2,
94 int32_t _shiftAmt,
95 ArmShiftType _shiftType)
96 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
97 _dest, _op1, _op2, _shiftAmt, _shiftType)
98 {
99 %(constructor)s;
79 }
80}};
81
82def template DataRegDeclare {{
83class %(class_name)s : public %(base_class)s
84{
85 public:
86 // Constructor
87 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
88 IntRegIndex _op1, IntRegIndex _op2,
89 int32_t _shiftAmt, ArmShiftType _shiftType);
90 %(BasicExecDeclare)s
91};
92}};
93
94def template DataRegConstructor {{
95 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
96 IntRegIndex _dest,
97 IntRegIndex _op1,
98 IntRegIndex _op2,
99 int32_t _shiftAmt,
100 ArmShiftType _shiftType)
101 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
102 _dest, _op1, _op2, _shiftAmt, _shiftType)
103 {
104 %(constructor)s;
105 if (!(condCode == COND_AL || condCode == COND_UC)) {
106 for (int x = 0; x < _numDestRegs; x++) {
107 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
108 }
109 }
100 }
101}};
102
103def template DataRegRegDeclare {{
104class %(class_name)s : public %(base_class)s
105{
106 public:
107 // Constructor
108 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
109 IntRegIndex _op1, IntRegIndex _op2, IntRegIndex _shift,
110 ArmShiftType _shiftType);
111 %(BasicExecDeclare)s
112};
113}};
114
115def template DataRegRegConstructor {{
116 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
117 IntRegIndex _dest,
118 IntRegIndex _op1,
119 IntRegIndex _op2,
120 IntRegIndex _shift,
121 ArmShiftType _shiftType)
122 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
123 _dest, _op1, _op2, _shift, _shiftType)
124 {
125 %(constructor)s;
110 }
111}};
112
113def template DataRegRegDeclare {{
114class %(class_name)s : public %(base_class)s
115{
116 public:
117 // Constructor
118 %(class_name)s(ExtMachInst machInst, IntRegIndex _dest,
119 IntRegIndex _op1, IntRegIndex _op2, IntRegIndex _shift,
120 ArmShiftType _shiftType);
121 %(BasicExecDeclare)s
122};
123}};
124
125def template DataRegRegConstructor {{
126 inline %(class_name)s::%(class_name)s(ExtMachInst machInst,
127 IntRegIndex _dest,
128 IntRegIndex _op1,
129 IntRegIndex _op2,
130 IntRegIndex _shift,
131 ArmShiftType _shiftType)
132 : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s,
133 _dest, _op1, _op2, _shift, _shiftType)
134 {
135 %(constructor)s;
136 if (!(condCode == COND_AL || condCode == COND_UC)) {
137 for (int x = 0; x < _numDestRegs; x++) {
138 _srcRegIdx[_numSrcRegs++] = _destRegIdx[x];
139 }
140 }
126 }
127}};
128
129def template PredOpExecute {{
130 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
131 {
132 Fault fault = NoFault;
133 uint64_t resTemp = 0;
134 resTemp = resTemp;
135 %(op_decl)s;
136 %(op_rd)s;
137
138 if (%(predicate_test)s)
139 {
140 %(code)s;
141 if (fault == NoFault)
142 {
143 %(op_wb)s;
144 }
145 } else {
146 xc->setPredicate(false);
147 }
148
149 if (fault == NoFault && machInst.itstateMask != 0&&
150 (!isMicroop() || isLastMicroop())) {
151 xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate);
152 }
153
154 return fault;
155 }
156}};
157
158def template DataDecode {{
159 if (machInst.opcode4 == 0) {
160 if (machInst.sField == 0)
161 return new %(class_name)sImm(machInst);
162 else
163 return new %(class_name)sImmCc(machInst);
164 } else {
165 if (machInst.sField == 0)
166 return new %(class_name)s(machInst);
167 else
168 return new %(class_name)sCc(machInst);
169 }
170}};
171
172def template DataImmDecode {{
173 if (machInst.sField == 0)
174 return new %(class_name)s(machInst);
175 else
176 return new %(class_name)sCc(machInst);
177}};
141 }
142}};
143
144def template PredOpExecute {{
145 Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
146 {
147 Fault fault = NoFault;
148 uint64_t resTemp = 0;
149 resTemp = resTemp;
150 %(op_decl)s;
151 %(op_rd)s;
152
153 if (%(predicate_test)s)
154 {
155 %(code)s;
156 if (fault == NoFault)
157 {
158 %(op_wb)s;
159 }
160 } else {
161 xc->setPredicate(false);
162 }
163
164 if (fault == NoFault && machInst.itstateMask != 0&&
165 (!isMicroop() || isLastMicroop())) {
166 xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate);
167 }
168
169 return fault;
170 }
171}};
172
173def template DataDecode {{
174 if (machInst.opcode4 == 0) {
175 if (machInst.sField == 0)
176 return new %(class_name)sImm(machInst);
177 else
178 return new %(class_name)sImmCc(machInst);
179 } else {
180 if (machInst.sField == 0)
181 return new %(class_name)s(machInst);
182 else
183 return new %(class_name)sCc(machInst);
184 }
185}};
186
187def template DataImmDecode {{
188 if (machInst.sField == 0)
189 return new %(class_name)s(machInst);
190 else
191 return new %(class_name)sCc(machInst);
192}};