1// Copyright (c) 2010 ARM Limited
2// All rights reserved
3//
4// The license below extends only to copyright in the software and shall
5// not be construed as granting a license to any other intellectual
6// property including but not limited to intellectual property relating
7// to a hardware implementation of the functionality of the software
8// licensed hereunder. You may use the software subject to the license

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1130 case 0x0:
1131 if (bits(machInst, 7)) {
1132 return new SubImm(machInst, INTREG_SP, INTREG_SP,
1133 bits(machInst, 6, 0) << 2, true);
1134 } else {
1135 return new AddImm(machInst, INTREG_SP, INTREG_SP,
1136 bits(machInst, 6, 0) << 2, true);
1137 }
1138 case 0x1:
1139 return new Cbz(machInst,
1140 (bits(machInst, 9) << 6) |
1141 (bits(machInst, 7, 3) << 1),
1142 (IntRegIndex)(uint32_t)bits(machInst, 2, 0));
1143 case 0x2:
1144 {
1145 const IntRegIndex rd =
1146 (IntRegIndex)(uint32_t)bits(machInst, 2, 0);
1147 const IntRegIndex rm =
1148 (IntRegIndex)(uint32_t)bits(machInst, 5, 3);
1149 switch (bits(machInst, 7, 6)) {
1150 case 0x0:
1151 return new Sxth(machInst, rd, 0, rm);
1152 case 0x1:
1153 return new Sxtb(machInst, rd, 0, rm);
1154 case 0x2:
1155 return new Uxth(machInst, rd, 0, rm);
1156 case 0x3:
1157 return new Uxtb(machInst, rd, 0, rm);
1158 }
1159 }
1160 case 0x3:
1161 return new Cbz(machInst,
1162 (bits(machInst, 9) << 6) |
1163 (bits(machInst, 7, 3) << 1),
1164 (IntRegIndex)(uint32_t)bits(machInst, 2, 0));
1165 case 0x4:
1166 case 0x5:
1167 {

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1177 return new Setend(machInst, bits(machInst, 3));
1178 } else if (opBits == 3) {
1179 const bool enable = (bits(machInst, 4) == 0);
1180 const uint32_t mods = (bits(machInst, 2, 0) << 5) |
1181 ((enable ? 1 : 0) << 9);
1182 return new Cps(machInst, mods);
1183 }
1184 }
1185 case 0x9:
1186 return new Cbnz(machInst,
1187 (bits(machInst, 9) << 6) |
1188 (bits(machInst, 7, 3) << 1),
1189 (IntRegIndex)(uint32_t)bits(machInst, 2, 0));
1190 case 0xa:
1191 {
1192 IntRegIndex rd = (IntRegIndex)(uint32_t)bits(machInst, 2, 0);
1193 IntRegIndex rm = (IntRegIndex)(uint32_t)bits(machInst, 5, 3);
1194 switch (bits(machInst, 7, 6)) {
1195 case 0x0:
1196 return new Rev(machInst, rd, rm);
1197 case 0x1:
1198 return new Rev16(machInst, rd, rm);
1199 case 0x3:
1200 return new Revsh(machInst, rd, rm);
1201 default:
1202 break;
1203 }
1204 }
1205 break;
1206 case 0xb:
1207 return new Cbnz(machInst,
1208 (bits(machInst, 9) << 6) |
1209 (bits(machInst, 7, 3) << 1),
1210 (IntRegIndex)(uint32_t)bits(machInst, 2, 0));
1211 case 0xc:
1212 case 0xd:
1213 {

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