misc.isa (7247:e39b1d7c514f) misc.isa (7249:ddf0cb9f0450)
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

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149 '''
150 revshIop = InstObjParams("revsh", "Revsh", "RevOp",
151 { "code": revshCode,
152 "predicate_test": predicateTest }, [])
153 header_output += RevOpDeclare.subst(revshIop)
154 decoder_output += RevOpConstructor.subst(revshIop)
155 exec_output += PredOpExecute.subst(revshIop)
156
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

--- 140 unchanged lines hidden (view full) ---

149 '''
150 revshIop = InstObjParams("revsh", "Revsh", "RevOp",
151 { "code": revshCode,
152 "predicate_test": predicateTest }, [])
153 header_output += RevOpDeclare.subst(revshIop)
154 decoder_output += RevOpConstructor.subst(revshIop)
155 exec_output += PredOpExecute.subst(revshIop)
156
157 rbitCode = '''
158 uint8_t *opBytes = (uint8_t *)&Op1;
159 uint32_t resTemp;
160 uint8_t *destBytes = (uint8_t *)&resTemp;
161 // This reverses the bytes and bits of the input, or so says the
162 // internet.
163 for (int i = 0; i < 4; i++) {
164 uint32_t temp = opBytes[i];
165 temp = (temp * 0x0802 & 0x22110) | (temp * 0x8020 & 0x88440);
166 destBytes[3 - i] = (temp * 0x10101) >> 16;
167 }
168 Dest = resTemp;
169 '''
170 rbitIop = InstObjParams("rbit", "Rbit", "RevOp",
171 { "code": rbitCode,
172 "predicate_test": predicateTest }, [])
173 header_output += RevOpDeclare.subst(rbitIop)
174 decoder_output += RevOpConstructor.subst(rbitIop)
175 exec_output += PredOpExecute.subst(rbitIop)
176
157 ssatCode = '''
158 int32_t operand = shift_rm_imm(Op1, shiftAmt, shiftType, 0);
159 int32_t res;
160 if (satInt(res, operand, imm))
161 CondCodes = CondCodes | (1 << 27);
162 else
163 CondCodes = CondCodes;
164 Dest = res;

--- 267 unchanged lines hidden --- 		177 ssatCode = '''
178 int32_t operand = shift_rm_imm(Op1, shiftAmt, shiftType, 0);
179 int32_t res;
180 if (satInt(res, operand, imm))
181 CondCodes = CondCodes | (1 << 27);
182 else
183 CondCodes = CondCodes;
184 Dest = res;

--- 267 unchanged lines hidden ---