Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "codegen_mips.h" |
| 18 | #include "dex/quick/mir_to_lir-inl.h" |
| 19 | #include "mips_lir.h" |
| 20 | |
| 21 | namespace art { |
| 22 | |
| 23 | /* This file contains codegen for the MIPS32 ISA. */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 24 | LIR* MipsMir2Lir::OpFpRegCopy(RegStorage r_dest, RegStorage r_src) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 25 | int opcode; |
| 26 | /* must be both DOUBLE or both not DOUBLE */ |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 27 | DCHECK_EQ(r_dest.IsDouble(), r_src.IsDouble()); |
| 28 | if (r_dest.IsDouble()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 29 | opcode = kMipsFmovd; |
| 30 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 31 | if (r_dest.IsSingle()) { |
| 32 | if (r_src.IsSingle()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 33 | opcode = kMipsFmovs; |
| 34 | } else { |
| 35 | /* note the operands are swapped for the mtc1 instr */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 36 | RegStorage t_opnd = r_src; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 37 | r_src = r_dest; |
| 38 | r_dest = t_opnd; |
| 39 | opcode = kMipsMtc1; |
| 40 | } |
| 41 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 42 | DCHECK(r_src.IsSingle()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 43 | opcode = kMipsMfc1; |
| 44 | } |
| 45 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 46 | LIR* res = RawLIR(current_dalvik_offset_, opcode, r_src.GetReg(), r_dest.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 47 | if (!(cu_->disable_opt & (1 << kSafeOptimizations)) && r_dest == r_src) { |
| 48 | res->flags.is_nop = true; |
| 49 | } |
| 50 | return res; |
| 51 | } |
| 52 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 53 | bool MipsMir2Lir::InexpensiveConstantInt(int32_t value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 54 | return ((value == 0) || IsUint(16, value) || ((value < 0) && (value >= -32768))); |
| 55 | } |
| 56 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 57 | bool MipsMir2Lir::InexpensiveConstantFloat(int32_t value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 58 | return false; // TUNING |
| 59 | } |
| 60 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 61 | bool MipsMir2Lir::InexpensiveConstantLong(int64_t value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 62 | return false; // TUNING |
| 63 | } |
| 64 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 65 | bool MipsMir2Lir::InexpensiveConstantDouble(int64_t value) { |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 66 | return false; // TUNING |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | /* |
| 70 | * Load a immediate using a shortcut if possible; otherwise |
| 71 | * grab from the per-translation literal pool. If target is |
| 72 | * a high register, build constant into a low register and copy. |
| 73 | * |
| 74 | * No additional register clobbering operation performed. Use this version when |
| 75 | * 1) r_dest is freshly returned from AllocTemp or |
| 76 | * 2) The codegen is under fixed register usage |
| 77 | */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 78 | LIR* MipsMir2Lir::LoadConstantNoClobber(RegStorage r_dest, int value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 79 | LIR *res; |
| 80 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 81 | RegStorage r_dest_save = r_dest; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 82 | int is_fp_reg = r_dest.IsFloat(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 83 | if (is_fp_reg) { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 84 | DCHECK(r_dest.IsSingle()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 85 | r_dest = AllocTemp(); |
| 86 | } |
| 87 | |
| 88 | /* See if the value can be constructed cheaply */ |
| 89 | if (value == 0) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 90 | res = NewLIR2(kMipsMove, r_dest.GetReg(), rZERO); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 91 | } else if ((value > 0) && (value <= 65535)) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 92 | res = NewLIR3(kMipsOri, r_dest.GetReg(), rZERO, value); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 93 | } else if ((value < 0) && (value >= -32768)) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 94 | res = NewLIR3(kMipsAddiu, r_dest.GetReg(), rZERO, value); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 95 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 96 | res = NewLIR2(kMipsLui, r_dest.GetReg(), value >> 16); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 97 | if (value & 0xffff) |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 98 | NewLIR3(kMipsOri, r_dest.GetReg(), r_dest.GetReg(), value); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | if (is_fp_reg) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 102 | NewLIR2(kMipsMtc1, r_dest.GetReg(), r_dest_save.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 103 | FreeTemp(r_dest); |
| 104 | } |
| 105 | |
| 106 | return res; |
| 107 | } |
| 108 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 109 | LIR* MipsMir2Lir::OpUnconditionalBranch(LIR* target) { |
Brian Carlstrom | df62950 | 2013-07-17 22:39:56 -0700 | [diff] [blame] | 110 | LIR* res = NewLIR1(kMipsB, 0 /* offset to be patched during assembly*/); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 111 | res->target = target; |
| 112 | return res; |
| 113 | } |
| 114 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 115 | LIR* MipsMir2Lir::OpReg(OpKind op, RegStorage r_dest_src) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 116 | MipsOpCode opcode = kMipsNop; |
| 117 | switch (op) { |
| 118 | case kOpBlx: |
| 119 | opcode = kMipsJalr; |
| 120 | break; |
| 121 | case kOpBx: |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 122 | return NewLIR1(kMipsJr, r_dest_src.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 123 | break; |
| 124 | default: |
| 125 | LOG(FATAL) << "Bad case in OpReg"; |
| 126 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 127 | return NewLIR2(opcode, rRA, r_dest_src.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 128 | } |
| 129 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 130 | LIR* MipsMir2Lir::OpRegImm(OpKind op, RegStorage r_dest_src1, int value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 131 | LIR *res; |
| 132 | bool neg = (value < 0); |
| 133 | int abs_value = (neg) ? -value : value; |
| 134 | bool short_form = (abs_value & 0xff) == abs_value; |
| 135 | MipsOpCode opcode = kMipsNop; |
| 136 | switch (op) { |
| 137 | case kOpAdd: |
| 138 | return OpRegRegImm(op, r_dest_src1, r_dest_src1, value); |
| 139 | break; |
| 140 | case kOpSub: |
| 141 | return OpRegRegImm(op, r_dest_src1, r_dest_src1, value); |
| 142 | break; |
| 143 | default: |
| 144 | LOG(FATAL) << "Bad case in OpRegImm"; |
| 145 | break; |
| 146 | } |
Brian Carlstrom | 9b7085a | 2013-07-18 15:15:21 -0700 | [diff] [blame] | 147 | if (short_form) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 148 | res = NewLIR2(opcode, r_dest_src1.GetReg(), abs_value); |
Brian Carlstrom | 9b7085a | 2013-07-18 15:15:21 -0700 | [diff] [blame] | 149 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 150 | RegStorage r_scratch = AllocTemp(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 151 | res = LoadConstant(r_scratch, value); |
| 152 | if (op == kOpCmp) |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 153 | NewLIR2(opcode, r_dest_src1.GetReg(), r_scratch.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 154 | else |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 155 | NewLIR3(opcode, r_dest_src1.GetReg(), r_dest_src1.GetReg(), r_scratch.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 156 | } |
| 157 | return res; |
| 158 | } |
| 159 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 160 | LIR* MipsMir2Lir::OpRegRegReg(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 161 | MipsOpCode opcode = kMipsNop; |
| 162 | switch (op) { |
| 163 | case kOpAdd: |
| 164 | opcode = kMipsAddu; |
| 165 | break; |
| 166 | case kOpSub: |
| 167 | opcode = kMipsSubu; |
| 168 | break; |
| 169 | case kOpAnd: |
| 170 | opcode = kMipsAnd; |
| 171 | break; |
| 172 | case kOpMul: |
| 173 | opcode = kMipsMul; |
| 174 | break; |
| 175 | case kOpOr: |
| 176 | opcode = kMipsOr; |
| 177 | break; |
| 178 | case kOpXor: |
| 179 | opcode = kMipsXor; |
| 180 | break; |
| 181 | case kOpLsl: |
| 182 | opcode = kMipsSllv; |
| 183 | break; |
| 184 | case kOpLsr: |
| 185 | opcode = kMipsSrlv; |
| 186 | break; |
| 187 | case kOpAsr: |
| 188 | opcode = kMipsSrav; |
| 189 | break; |
| 190 | case kOpAdc: |
| 191 | case kOpSbc: |
| 192 | LOG(FATAL) << "No carry bit on MIPS"; |
| 193 | break; |
| 194 | default: |
| 195 | LOG(FATAL) << "bad case in OpRegRegReg"; |
| 196 | break; |
| 197 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 198 | return NewLIR3(opcode, r_dest.GetReg(), r_src1.GetReg(), r_src2.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 199 | } |
| 200 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 201 | LIR* MipsMir2Lir::OpRegRegImm(OpKind op, RegStorage r_dest, RegStorage r_src1, int value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 202 | LIR *res; |
| 203 | MipsOpCode opcode = kMipsNop; |
| 204 | bool short_form = true; |
| 205 | |
| 206 | switch (op) { |
| 207 | case kOpAdd: |
| 208 | if (IS_SIMM16(value)) { |
| 209 | opcode = kMipsAddiu; |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 210 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 211 | short_form = false; |
| 212 | opcode = kMipsAddu; |
| 213 | } |
| 214 | break; |
| 215 | case kOpSub: |
| 216 | if (IS_SIMM16((-value))) { |
| 217 | value = -value; |
| 218 | opcode = kMipsAddiu; |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 219 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 220 | short_form = false; |
| 221 | opcode = kMipsSubu; |
| 222 | } |
| 223 | break; |
| 224 | case kOpLsl: |
| 225 | DCHECK(value >= 0 && value <= 31); |
| 226 | opcode = kMipsSll; |
| 227 | break; |
| 228 | case kOpLsr: |
| 229 | DCHECK(value >= 0 && value <= 31); |
| 230 | opcode = kMipsSrl; |
| 231 | break; |
| 232 | case kOpAsr: |
| 233 | DCHECK(value >= 0 && value <= 31); |
| 234 | opcode = kMipsSra; |
| 235 | break; |
| 236 | case kOpAnd: |
| 237 | if (IS_UIMM16((value))) { |
| 238 | opcode = kMipsAndi; |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 239 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 240 | short_form = false; |
| 241 | opcode = kMipsAnd; |
| 242 | } |
| 243 | break; |
| 244 | case kOpOr: |
| 245 | if (IS_UIMM16((value))) { |
| 246 | opcode = kMipsOri; |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 247 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 248 | short_form = false; |
| 249 | opcode = kMipsOr; |
| 250 | } |
| 251 | break; |
| 252 | case kOpXor: |
| 253 | if (IS_UIMM16((value))) { |
| 254 | opcode = kMipsXori; |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 255 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 256 | short_form = false; |
| 257 | opcode = kMipsXor; |
| 258 | } |
| 259 | break; |
| 260 | case kOpMul: |
| 261 | short_form = false; |
| 262 | opcode = kMipsMul; |
| 263 | break; |
| 264 | default: |
| 265 | LOG(FATAL) << "Bad case in OpRegRegImm"; |
| 266 | break; |
| 267 | } |
| 268 | |
Brian Carlstrom | 9b7085a | 2013-07-18 15:15:21 -0700 | [diff] [blame] | 269 | if (short_form) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 270 | res = NewLIR3(opcode, r_dest.GetReg(), r_src1.GetReg(), value); |
Brian Carlstrom | 9b7085a | 2013-07-18 15:15:21 -0700 | [diff] [blame] | 271 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 272 | if (r_dest != r_src1) { |
| 273 | res = LoadConstant(r_dest, value); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 274 | NewLIR3(opcode, r_dest.GetReg(), r_src1.GetReg(), r_dest.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 275 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 276 | RegStorage r_scratch = AllocTemp(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 277 | res = LoadConstant(r_scratch, value); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 278 | NewLIR3(opcode, r_dest.GetReg(), r_src1.GetReg(), r_scratch.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 279 | } |
| 280 | } |
| 281 | return res; |
| 282 | } |
| 283 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 284 | LIR* MipsMir2Lir::OpRegReg(OpKind op, RegStorage r_dest_src1, RegStorage r_src2) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 285 | MipsOpCode opcode = kMipsNop; |
| 286 | LIR *res; |
| 287 | switch (op) { |
| 288 | case kOpMov: |
| 289 | opcode = kMipsMove; |
| 290 | break; |
| 291 | case kOpMvn: |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 292 | return NewLIR3(kMipsNor, r_dest_src1.GetReg(), r_src2.GetReg(), rZERO); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 293 | case kOpNeg: |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 294 | return NewLIR3(kMipsSubu, r_dest_src1.GetReg(), rZERO, r_src2.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 295 | case kOpAdd: |
| 296 | case kOpAnd: |
| 297 | case kOpMul: |
| 298 | case kOpOr: |
| 299 | case kOpSub: |
| 300 | case kOpXor: |
| 301 | return OpRegRegReg(op, r_dest_src1, r_dest_src1, r_src2); |
| 302 | case kOp2Byte: |
Brian Carlstrom | 38f85e4 | 2013-07-18 14:45:22 -0700 | [diff] [blame] | 303 | #if __mips_isa_rev >= 2 |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 304 | res = NewLIR2(kMipsSeb, r_dest_src1.GetReg(), r_src2.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 305 | #else |
| 306 | res = OpRegRegImm(kOpLsl, r_dest_src1, r_src2, 24); |
| 307 | OpRegRegImm(kOpAsr, r_dest_src1, r_dest_src1, 24); |
| 308 | #endif |
| 309 | return res; |
| 310 | case kOp2Short: |
Brian Carlstrom | 38f85e4 | 2013-07-18 14:45:22 -0700 | [diff] [blame] | 311 | #if __mips_isa_rev >= 2 |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 312 | res = NewLIR2(kMipsSeh, r_dest_src1.GetReg(), r_src2.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 313 | #else |
| 314 | res = OpRegRegImm(kOpLsl, r_dest_src1, r_src2, 16); |
| 315 | OpRegRegImm(kOpAsr, r_dest_src1, r_dest_src1, 16); |
| 316 | #endif |
| 317 | return res; |
| 318 | case kOp2Char: |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 319 | return NewLIR3(kMipsAndi, r_dest_src1.GetReg(), r_src2.GetReg(), 0xFFFF); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 320 | default: |
| 321 | LOG(FATAL) << "Bad case in OpRegReg"; |
| 322 | break; |
| 323 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 324 | return NewLIR2(opcode, r_dest_src1.GetReg(), r_src2.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 325 | } |
| 326 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 327 | LIR* MipsMir2Lir::OpMovRegMem(RegStorage r_dest, RegStorage r_base, int offset, |
| 328 | MoveType move_type) { |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 329 | UNIMPLEMENTED(FATAL); |
| 330 | return nullptr; |
| 331 | } |
| 332 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 333 | LIR* MipsMir2Lir::OpMovMemReg(RegStorage r_base, int offset, RegStorage r_src, MoveType move_type) { |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 334 | UNIMPLEMENTED(FATAL); |
| 335 | return nullptr; |
| 336 | } |
| 337 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 338 | LIR* MipsMir2Lir::OpCondRegReg(OpKind op, ConditionCode cc, RegStorage r_dest, RegStorage r_src) { |
Razvan A Lupusoru | bd288c2 | 2013-12-20 17:27:23 -0800 | [diff] [blame] | 339 | LOG(FATAL) << "Unexpected use of OpCondRegReg for MIPS"; |
| 340 | return NULL; |
| 341 | } |
| 342 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 343 | LIR* MipsMir2Lir::LoadConstantWide(RegStorage r_dest, int64_t value) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 344 | LIR *res; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 345 | res = LoadConstantNoClobber(r_dest.GetLow(), Low32Bits(value)); |
| 346 | LoadConstantNoClobber(r_dest.GetHigh(), High32Bits(value)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 347 | return res; |
| 348 | } |
| 349 | |
| 350 | /* Load value from base + scaled index. */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 351 | LIR* MipsMir2Lir::LoadBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_dest, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 352 | int scale, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 353 | LIR *first = NULL; |
| 354 | LIR *res; |
| 355 | MipsOpCode opcode = kMipsNop; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 356 | RegStorage t_reg = AllocTemp(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 357 | |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 358 | if (r_dest.IsFloat()) { |
| 359 | DCHECK(r_dest.IsSingle()); |
buzbee | fd698e6 | 2014-04-27 19:33:22 -0700 | [diff] [blame] | 360 | DCHECK((size == k32) || (size == kSingle) || (size == kReference)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 361 | size = kSingle; |
| 362 | } else { |
| 363 | if (size == kSingle) |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 364 | size = k32; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | if (!scale) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 368 | first = NewLIR3(kMipsAddu, t_reg.GetReg() , r_base.GetReg(), r_index.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 369 | } else { |
| 370 | first = OpRegRegImm(kOpLsl, t_reg, r_index, scale); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 371 | NewLIR3(kMipsAddu, t_reg.GetReg() , r_base.GetReg(), t_reg.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | switch (size) { |
| 375 | case kSingle: |
| 376 | opcode = kMipsFlwc1; |
| 377 | break; |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 378 | case k32: |
| 379 | case kReference: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 380 | opcode = kMipsLw; |
| 381 | break; |
| 382 | case kUnsignedHalf: |
| 383 | opcode = kMipsLhu; |
| 384 | break; |
| 385 | case kSignedHalf: |
| 386 | opcode = kMipsLh; |
| 387 | break; |
| 388 | case kUnsignedByte: |
| 389 | opcode = kMipsLbu; |
| 390 | break; |
| 391 | case kSignedByte: |
| 392 | opcode = kMipsLb; |
| 393 | break; |
| 394 | default: |
| 395 | LOG(FATAL) << "Bad case in LoadBaseIndexed"; |
| 396 | } |
| 397 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 398 | res = NewLIR3(opcode, r_dest.GetReg(), 0, t_reg.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 399 | FreeTemp(t_reg); |
| 400 | return (first) ? first : res; |
| 401 | } |
| 402 | |
| 403 | /* store value base base + scaled index. */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 404 | LIR* MipsMir2Lir::StoreBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_src, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 405 | int scale, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 406 | LIR *first = NULL; |
| 407 | MipsOpCode opcode = kMipsNop; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 408 | RegStorage t_reg = AllocTemp(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 409 | |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 410 | if (r_src.IsFloat()) { |
| 411 | DCHECK(r_src.IsSingle()); |
buzbee | fd698e6 | 2014-04-27 19:33:22 -0700 | [diff] [blame] | 412 | DCHECK((size == k32) || (size == kSingle) || (size == kReference)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 413 | size = kSingle; |
| 414 | } else { |
| 415 | if (size == kSingle) |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 416 | size = k32; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | if (!scale) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 420 | first = NewLIR3(kMipsAddu, t_reg.GetReg() , r_base.GetReg(), r_index.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 421 | } else { |
| 422 | first = OpRegRegImm(kOpLsl, t_reg, r_index, scale); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 423 | NewLIR3(kMipsAddu, t_reg.GetReg() , r_base.GetReg(), t_reg.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | switch (size) { |
| 427 | case kSingle: |
| 428 | opcode = kMipsFswc1; |
| 429 | break; |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 430 | case k32: |
| 431 | case kReference: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 432 | opcode = kMipsSw; |
| 433 | break; |
| 434 | case kUnsignedHalf: |
| 435 | case kSignedHalf: |
| 436 | opcode = kMipsSh; |
| 437 | break; |
| 438 | case kUnsignedByte: |
| 439 | case kSignedByte: |
| 440 | opcode = kMipsSb; |
| 441 | break; |
| 442 | default: |
| 443 | LOG(FATAL) << "Bad case in StoreBaseIndexed"; |
| 444 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 445 | NewLIR3(opcode, r_src.GetReg(), 0, t_reg.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 446 | return first; |
| 447 | } |
| 448 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 449 | // FIXME: don't split r_dest into 2 containers. |
| 450 | LIR* MipsMir2Lir::LoadBaseDispBody(RegStorage r_base, int displacement, RegStorage r_dest, |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 451 | RegStorage r_dest_hi, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 452 | /* |
| 453 | * Load value from base + displacement. Optionally perform null check |
| 454 | * on base (which must have an associated s_reg and MIR). If not |
| 455 | * performing null check, incoming MIR can be null. IMPORTANT: this |
| 456 | * code must not allocate any new temps. If a new register is needed |
| 457 | * and base and dest are the same, spill some other register to |
| 458 | * rlp and then restore. |
| 459 | */ |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 460 | LIR *res; |
| 461 | LIR *load = NULL; |
| 462 | LIR *load2 = NULL; |
| 463 | MipsOpCode opcode = kMipsNop; |
| 464 | bool short_form = IS_SIMM16(displacement); |
| 465 | bool pair = false; |
| 466 | |
| 467 | switch (size) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 468 | case k64: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 469 | case kDouble: |
| 470 | pair = true; |
| 471 | opcode = kMipsLw; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 472 | if (r_dest.IsFloat()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 473 | opcode = kMipsFlwc1; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 474 | if (r_dest.IsDouble()) { |
| 475 | int reg_num = (r_dest.GetRegNum() << 1) | RegStorage::kFloatingPoint; |
| 476 | r_dest = RegStorage(RegStorage::k64BitSolo, reg_num, reg_num + 1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 477 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 478 | DCHECK(r_dest_hi.IsFloat()); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 479 | DCHECK_EQ(r_dest.GetReg(), r_dest_hi.GetReg() - 1); |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 480 | r_dest_hi.SetReg(r_dest.GetReg() + 1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 481 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 482 | } |
| 483 | short_form = IS_SIMM16_2WORD(displacement); |
| 484 | DCHECK_EQ((displacement & 0x3), 0); |
| 485 | break; |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 486 | case k32: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 487 | case kSingle: |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 488 | case kReference: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 489 | opcode = kMipsLw; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 490 | if (r_dest.IsFloat()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 491 | opcode = kMipsFlwc1; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 492 | DCHECK(r_dest.IsSingle()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 493 | } |
| 494 | DCHECK_EQ((displacement & 0x3), 0); |
| 495 | break; |
| 496 | case kUnsignedHalf: |
| 497 | opcode = kMipsLhu; |
| 498 | DCHECK_EQ((displacement & 0x1), 0); |
| 499 | break; |
| 500 | case kSignedHalf: |
| 501 | opcode = kMipsLh; |
| 502 | DCHECK_EQ((displacement & 0x1), 0); |
| 503 | break; |
| 504 | case kUnsignedByte: |
| 505 | opcode = kMipsLbu; |
| 506 | break; |
| 507 | case kSignedByte: |
| 508 | opcode = kMipsLb; |
| 509 | break; |
| 510 | default: |
| 511 | LOG(FATAL) << "Bad case in LoadBaseIndexedBody"; |
| 512 | } |
| 513 | |
| 514 | if (short_form) { |
| 515 | if (!pair) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 516 | load = res = NewLIR3(opcode, r_dest.GetReg(), displacement, r_base.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 517 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 518 | load = res = NewLIR3(opcode, r_dest.GetReg(), displacement + LOWORD_OFFSET, r_base.GetReg()); |
| 519 | load2 = NewLIR3(opcode, r_dest_hi.GetReg(), displacement + HIWORD_OFFSET, r_base.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 520 | } |
| 521 | } else { |
| 522 | if (pair) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 523 | RegStorage r_tmp = AllocTemp(); |
| 524 | res = OpRegRegImm(kOpAdd, r_tmp, r_base, displacement); |
| 525 | load = NewLIR3(opcode, r_dest.GetReg(), LOWORD_OFFSET, r_tmp.GetReg()); |
| 526 | load2 = NewLIR3(opcode, r_dest_hi.GetReg(), HIWORD_OFFSET, r_tmp.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 527 | FreeTemp(r_tmp); |
| 528 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 529 | RegStorage r_tmp = (r_base == r_dest) ? AllocTemp() : r_dest; |
| 530 | res = OpRegRegImm(kOpAdd, r_tmp, r_base, displacement); |
| 531 | load = NewLIR3(opcode, r_dest.GetReg(), 0, r_tmp.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 532 | if (r_tmp != r_dest) |
| 533 | FreeTemp(r_tmp); |
| 534 | } |
| 535 | } |
| 536 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 537 | if (r_base == rs_rMIPS_SP) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 538 | AnnotateDalvikRegAccess(load, (displacement + (pair ? LOWORD_OFFSET : 0)) >> 2, |
| 539 | true /* is_load */, pair /* is64bit */); |
| 540 | if (pair) { |
| 541 | AnnotateDalvikRegAccess(load2, (displacement + HIWORD_OFFSET) >> 2, |
| 542 | true /* is_load */, pair /* is64bit */); |
| 543 | } |
| 544 | } |
| 545 | return load; |
| 546 | } |
| 547 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 548 | LIR* MipsMir2Lir::LoadBaseDisp(RegStorage r_base, int displacement, RegStorage r_dest, |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 549 | OpSize size) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 550 | // TODO: base this on target. |
| 551 | if (size == kWord) { |
| 552 | size = k32; |
| 553 | } |
Vladimir Marko | 455759b | 2014-05-06 20:49:36 +0100 | [diff] [blame] | 554 | if (size == k64 || size == kDouble) { |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 555 | return LoadBaseDispBody(r_base, displacement, r_dest.GetLow(), r_dest.GetHigh(), size); |
Vladimir Marko | 455759b | 2014-05-06 20:49:36 +0100 | [diff] [blame] | 556 | } else { |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 557 | return LoadBaseDispBody(r_base, displacement, r_dest, RegStorage::InvalidReg(), size); |
Vladimir Marko | 455759b | 2014-05-06 20:49:36 +0100 | [diff] [blame] | 558 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 559 | } |
| 560 | |
Vladimir Marko | 455759b | 2014-05-06 20:49:36 +0100 | [diff] [blame] | 561 | // FIXME: don't split r_dest into 2 containers. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 562 | LIR* MipsMir2Lir::StoreBaseDispBody(RegStorage r_base, int displacement, |
| 563 | RegStorage r_src, RegStorage r_src_hi, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 564 | LIR *res; |
| 565 | LIR *store = NULL; |
| 566 | LIR *store2 = NULL; |
| 567 | MipsOpCode opcode = kMipsNop; |
| 568 | bool short_form = IS_SIMM16(displacement); |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 569 | bool pair = r_src.IsPair(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 570 | |
| 571 | switch (size) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 572 | case k64: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 573 | case kDouble: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 574 | opcode = kMipsSw; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 575 | if (r_src.IsFloat()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 576 | opcode = kMipsFswc1; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 577 | if (r_src.IsDouble()) { |
| 578 | int reg_num = (r_src.GetRegNum() << 1) | RegStorage::kFloatingPoint; |
| 579 | r_src = RegStorage(RegStorage::k64BitPair, reg_num, reg_num + 1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 580 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 581 | DCHECK(r_src_hi.IsFloat()); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 582 | DCHECK_EQ(r_src.GetReg(), (r_src_hi.GetReg() - 1)); |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 583 | r_src_hi.SetReg(r_src.GetReg() + 1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 584 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 585 | } |
| 586 | short_form = IS_SIMM16_2WORD(displacement); |
| 587 | DCHECK_EQ((displacement & 0x3), 0); |
| 588 | break; |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 589 | case k32: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 590 | case kSingle: |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 591 | case kReference: |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 592 | opcode = kMipsSw; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 593 | if (r_src.IsFloat()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 594 | opcode = kMipsFswc1; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 595 | DCHECK(r_src.IsSingle()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 596 | } |
| 597 | DCHECK_EQ((displacement & 0x3), 0); |
| 598 | break; |
| 599 | case kUnsignedHalf: |
| 600 | case kSignedHalf: |
| 601 | opcode = kMipsSh; |
| 602 | DCHECK_EQ((displacement & 0x1), 0); |
| 603 | break; |
| 604 | case kUnsignedByte: |
| 605 | case kSignedByte: |
| 606 | opcode = kMipsSb; |
| 607 | break; |
| 608 | default: |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 609 | LOG(FATAL) << "Bad case in StoreBaseDispBody"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 610 | } |
| 611 | |
| 612 | if (short_form) { |
| 613 | if (!pair) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 614 | store = res = NewLIR3(opcode, r_src.GetReg(), displacement, r_base.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 615 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 616 | store = res = NewLIR3(opcode, r_src.GetReg(), displacement + LOWORD_OFFSET, r_base.GetReg()); |
| 617 | store2 = NewLIR3(opcode, r_src_hi.GetReg(), displacement + HIWORD_OFFSET, r_base.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 618 | } |
| 619 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 620 | RegStorage r_scratch = AllocTemp(); |
| 621 | res = OpRegRegImm(kOpAdd, r_scratch, r_base, displacement); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 622 | if (!pair) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 623 | store = NewLIR3(opcode, r_src.GetReg(), 0, r_scratch.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 624 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 625 | store = NewLIR3(opcode, r_src.GetReg(), LOWORD_OFFSET, r_scratch.GetReg()); |
| 626 | store2 = NewLIR3(opcode, r_src_hi.GetReg(), HIWORD_OFFSET, r_scratch.GetReg()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 627 | } |
| 628 | FreeTemp(r_scratch); |
| 629 | } |
| 630 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 631 | if (r_base == rs_rMIPS_SP) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 632 | AnnotateDalvikRegAccess(store, (displacement + (pair ? LOWORD_OFFSET : 0)) >> 2, |
| 633 | false /* is_load */, pair /* is64bit */); |
| 634 | if (pair) { |
| 635 | AnnotateDalvikRegAccess(store2, (displacement + HIWORD_OFFSET) >> 2, |
| 636 | false /* is_load */, pair /* is64bit */); |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | return res; |
| 641 | } |
| 642 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 643 | LIR* MipsMir2Lir::StoreBaseDisp(RegStorage r_base, int displacement, RegStorage r_src, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 644 | OpSize size) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 645 | // TODO: base this on target. |
| 646 | if (size == kWord) { |
| 647 | size = k32; |
| 648 | } |
Vladimir Marko | 455759b | 2014-05-06 20:49:36 +0100 | [diff] [blame] | 649 | if (size == k64 || size == kDouble) { |
| 650 | return StoreBaseDispBody(r_base, displacement, r_src.GetLow(), r_src.GetHigh(), size); |
| 651 | } else { |
| 652 | return StoreBaseDispBody(r_base, displacement, r_src, RegStorage::InvalidReg(), size); |
| 653 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 654 | } |
| 655 | |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 656 | LIR* MipsMir2Lir::OpThreadMem(OpKind op, ThreadOffset<4> thread_offset) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 657 | LOG(FATAL) << "Unexpected use of OpThreadMem for MIPS"; |
| 658 | return NULL; |
| 659 | } |
| 660 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 661 | LIR* MipsMir2Lir::OpMem(OpKind op, RegStorage r_base, int disp) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 662 | LOG(FATAL) << "Unexpected use of OpMem for MIPS"; |
| 663 | return NULL; |
| 664 | } |
| 665 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 666 | LIR* MipsMir2Lir::StoreBaseIndexedDisp(RegStorage r_base, RegStorage r_index, int scale, |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 667 | int displacement, RegStorage r_src, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 668 | LOG(FATAL) << "Unexpected use of StoreBaseIndexedDisp for MIPS"; |
| 669 | return NULL; |
| 670 | } |
| 671 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 672 | LIR* MipsMir2Lir::OpRegMem(OpKind op, RegStorage r_dest, RegStorage r_base, int offset) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 673 | LOG(FATAL) << "Unexpected use of OpRegMem for MIPS"; |
| 674 | return NULL; |
| 675 | } |
| 676 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 677 | LIR* MipsMir2Lir::LoadBaseIndexedDisp(RegStorage r_base, RegStorage r_index, int scale, |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 678 | int displacement, RegStorage r_dest, OpSize size) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 679 | LOG(FATAL) << "Unexpected use of LoadBaseIndexedDisp for MIPS"; |
| 680 | return NULL; |
| 681 | } |
| 682 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 683 | LIR* MipsMir2Lir::OpCondBranch(ConditionCode cc, LIR* target) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 684 | LOG(FATAL) << "Unexpected use of OpCondBranch for MIPS"; |
| 685 | return NULL; |
| 686 | } |
| 687 | |
| 688 | } // namespace art |