Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 "intrinsics_mips64.h" |
| 18 | |
| 19 | #include "arch/mips64/instruction_set_features_mips64.h" |
| 20 | #include "art_method.h" |
| 21 | #include "code_generator_mips64.h" |
| 22 | #include "entrypoints/quick/quick_entrypoints.h" |
| 23 | #include "intrinsics.h" |
| 24 | #include "mirror/array-inl.h" |
| 25 | #include "mirror/string.h" |
| 26 | #include "thread.h" |
| 27 | #include "utils/mips64/assembler_mips64.h" |
| 28 | #include "utils/mips64/constants_mips64.h" |
| 29 | |
| 30 | namespace art { |
| 31 | |
| 32 | namespace mips64 { |
| 33 | |
| 34 | IntrinsicLocationsBuilderMIPS64::IntrinsicLocationsBuilderMIPS64(CodeGeneratorMIPS64* codegen) |
| 35 | : arena_(codegen->GetGraph()->GetArena()) { |
| 36 | } |
| 37 | |
| 38 | Mips64Assembler* IntrinsicCodeGeneratorMIPS64::GetAssembler() { |
| 39 | return reinterpret_cast<Mips64Assembler*>(codegen_->GetAssembler()); |
| 40 | } |
| 41 | |
| 42 | ArenaAllocator* IntrinsicCodeGeneratorMIPS64::GetAllocator() { |
| 43 | return codegen_->GetGraph()->GetArena(); |
| 44 | } |
| 45 | |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 46 | #define __ codegen->GetAssembler()-> |
| 47 | |
| 48 | static void MoveFromReturnRegister(Location trg, |
| 49 | Primitive::Type type, |
| 50 | CodeGeneratorMIPS64* codegen) { |
| 51 | if (!trg.IsValid()) { |
| 52 | DCHECK_EQ(type, Primitive::kPrimVoid); |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | DCHECK_NE(type, Primitive::kPrimVoid); |
| 57 | |
| 58 | if (Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) { |
| 59 | GpuRegister trg_reg = trg.AsRegister<GpuRegister>(); |
| 60 | if (trg_reg != V0) { |
| 61 | __ Move(V0, trg_reg); |
| 62 | } |
| 63 | } else { |
| 64 | FpuRegister trg_reg = trg.AsFpuRegister<FpuRegister>(); |
| 65 | if (trg_reg != F0) { |
| 66 | if (type == Primitive::kPrimFloat) { |
| 67 | __ MovS(F0, trg_reg); |
| 68 | } else { |
| 69 | __ MovD(F0, trg_reg); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | static void MoveArguments(HInvoke* invoke, CodeGeneratorMIPS64* codegen) { |
| 76 | InvokeDexCallingConventionVisitorMIPS64 calling_convention_visitor; |
| 77 | IntrinsicVisitor::MoveArguments(invoke, codegen, &calling_convention_visitor); |
| 78 | } |
| 79 | |
| 80 | // Slow-path for fallback (calling the managed code to handle the |
| 81 | // intrinsic) in an intrinsified call. This will copy the arguments |
| 82 | // into the positions for a regular call. |
| 83 | // |
| 84 | // Note: The actual parameters are required to be in the locations |
| 85 | // given by the invoke's location summary. If an intrinsic |
| 86 | // modifies those locations before a slowpath call, they must be |
| 87 | // restored! |
| 88 | class IntrinsicSlowPathMIPS64 : public SlowPathCodeMIPS64 { |
| 89 | public: |
David Srbecky | 9cd6d37 | 2016-02-09 15:24:47 +0000 | [diff] [blame] | 90 | explicit IntrinsicSlowPathMIPS64(HInvoke* invoke) |
| 91 | : SlowPathCodeMIPS64(invoke), invoke_(invoke) { } |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 92 | |
| 93 | void EmitNativeCode(CodeGenerator* codegen_in) OVERRIDE { |
| 94 | CodeGeneratorMIPS64* codegen = down_cast<CodeGeneratorMIPS64*>(codegen_in); |
| 95 | |
| 96 | __ Bind(GetEntryLabel()); |
| 97 | |
| 98 | SaveLiveRegisters(codegen, invoke_->GetLocations()); |
| 99 | |
| 100 | MoveArguments(invoke_, codegen); |
| 101 | |
| 102 | if (invoke_->IsInvokeStaticOrDirect()) { |
| 103 | codegen->GenerateStaticOrDirectCall(invoke_->AsInvokeStaticOrDirect(), |
| 104 | Location::RegisterLocation(A0)); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 105 | } else { |
Alexey Frunze | 53afca1 | 2015-11-05 16:34:23 -0800 | [diff] [blame] | 106 | codegen->GenerateVirtualCall(invoke_->AsInvokeVirtual(), Location::RegisterLocation(A0)); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 107 | } |
Alexey Frunze | 53afca1 | 2015-11-05 16:34:23 -0800 | [diff] [blame] | 108 | codegen->RecordPcInfo(invoke_, invoke_->GetDexPc(), this); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 109 | |
| 110 | // Copy the result back to the expected output. |
| 111 | Location out = invoke_->GetLocations()->Out(); |
| 112 | if (out.IsValid()) { |
| 113 | DCHECK(out.IsRegister()); // TODO: Replace this when we support output in memory. |
| 114 | DCHECK(!invoke_->GetLocations()->GetLiveRegisters()->ContainsCoreRegister(out.reg())); |
| 115 | MoveFromReturnRegister(out, invoke_->GetType(), codegen); |
| 116 | } |
| 117 | |
| 118 | RestoreLiveRegisters(codegen, invoke_->GetLocations()); |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 119 | __ Bc(GetExitLabel()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | const char* GetDescription() const OVERRIDE { return "IntrinsicSlowPathMIPS64"; } |
| 123 | |
| 124 | private: |
| 125 | // The instruction where this slow path is happening. |
| 126 | HInvoke* const invoke_; |
| 127 | |
| 128 | DISALLOW_COPY_AND_ASSIGN(IntrinsicSlowPathMIPS64); |
| 129 | }; |
| 130 | |
| 131 | #undef __ |
| 132 | |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 133 | bool IntrinsicLocationsBuilderMIPS64::TryDispatch(HInvoke* invoke) { |
| 134 | Dispatch(invoke); |
| 135 | LocationSummary* res = invoke->GetLocations(); |
| 136 | return res != nullptr && res->Intrinsified(); |
| 137 | } |
| 138 | |
| 139 | #define __ assembler-> |
| 140 | |
| 141 | static void CreateFPToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 142 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 143 | LocationSummary::kNoCall, |
| 144 | kIntrinsified); |
| 145 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 146 | locations->SetOut(Location::RequiresRegister()); |
| 147 | } |
| 148 | |
| 149 | static void MoveFPToInt(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| 150 | FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 151 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 152 | |
| 153 | if (is64bit) { |
| 154 | __ Dmfc1(out, in); |
| 155 | } else { |
| 156 | __ Mfc1(out, in); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | // long java.lang.Double.doubleToRawLongBits(double) |
| 161 | void IntrinsicLocationsBuilderMIPS64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
| 162 | CreateFPToIntLocations(arena_, invoke); |
| 163 | } |
| 164 | |
| 165 | void IntrinsicCodeGeneratorMIPS64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 166 | MoveFPToInt(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | // int java.lang.Float.floatToRawIntBits(float) |
| 170 | void IntrinsicLocationsBuilderMIPS64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
| 171 | CreateFPToIntLocations(arena_, invoke); |
| 172 | } |
| 173 | |
| 174 | void IntrinsicCodeGeneratorMIPS64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 175 | MoveFPToInt(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | static void CreateIntToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 179 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 180 | LocationSummary::kNoCall, |
| 181 | kIntrinsified); |
| 182 | locations->SetInAt(0, Location::RequiresRegister()); |
| 183 | locations->SetOut(Location::RequiresFpuRegister()); |
| 184 | } |
| 185 | |
| 186 | static void MoveIntToFP(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| 187 | GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| 188 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 189 | |
| 190 | if (is64bit) { |
| 191 | __ Dmtc1(in, out); |
| 192 | } else { |
| 193 | __ Mtc1(in, out); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | // double java.lang.Double.longBitsToDouble(long) |
| 198 | void IntrinsicLocationsBuilderMIPS64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
| 199 | CreateIntToFPLocations(arena_, invoke); |
| 200 | } |
| 201 | |
| 202 | void IntrinsicCodeGeneratorMIPS64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 203 | MoveIntToFP(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | // float java.lang.Float.intBitsToFloat(int) |
| 207 | void IntrinsicLocationsBuilderMIPS64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
| 208 | CreateIntToFPLocations(arena_, invoke); |
| 209 | } |
| 210 | |
| 211 | void IntrinsicCodeGeneratorMIPS64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 212 | MoveIntToFP(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | static void CreateIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 216 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 217 | LocationSummary::kNoCall, |
| 218 | kIntrinsified); |
| 219 | locations->SetInAt(0, Location::RequiresRegister()); |
| 220 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 221 | } |
| 222 | |
| 223 | static void GenReverseBytes(LocationSummary* locations, |
| 224 | Primitive::Type type, |
| 225 | Mips64Assembler* assembler) { |
| 226 | GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| 227 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 228 | |
| 229 | switch (type) { |
| 230 | case Primitive::kPrimShort: |
| 231 | __ Dsbh(out, in); |
| 232 | __ Seh(out, out); |
| 233 | break; |
| 234 | case Primitive::kPrimInt: |
| 235 | __ Rotr(out, in, 16); |
| 236 | __ Wsbh(out, out); |
| 237 | break; |
| 238 | case Primitive::kPrimLong: |
| 239 | __ Dsbh(out, in); |
| 240 | __ Dshd(out, out); |
| 241 | break; |
| 242 | default: |
| 243 | LOG(FATAL) << "Unexpected size for reverse-bytes: " << type; |
| 244 | UNREACHABLE(); |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | // int java.lang.Integer.reverseBytes(int) |
| 249 | void IntrinsicLocationsBuilderMIPS64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| 250 | CreateIntToIntLocations(arena_, invoke); |
| 251 | } |
| 252 | |
| 253 | void IntrinsicCodeGeneratorMIPS64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| 254 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| 255 | } |
| 256 | |
| 257 | // long java.lang.Long.reverseBytes(long) |
| 258 | void IntrinsicLocationsBuilderMIPS64::VisitLongReverseBytes(HInvoke* invoke) { |
| 259 | CreateIntToIntLocations(arena_, invoke); |
| 260 | } |
| 261 | |
| 262 | void IntrinsicCodeGeneratorMIPS64::VisitLongReverseBytes(HInvoke* invoke) { |
| 263 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| 264 | } |
| 265 | |
| 266 | // short java.lang.Short.reverseBytes(short) |
| 267 | void IntrinsicLocationsBuilderMIPS64::VisitShortReverseBytes(HInvoke* invoke) { |
| 268 | CreateIntToIntLocations(arena_, invoke); |
| 269 | } |
| 270 | |
| 271 | void IntrinsicCodeGeneratorMIPS64::VisitShortReverseBytes(HInvoke* invoke) { |
| 272 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimShort, GetAssembler()); |
| 273 | } |
| 274 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 275 | static void GenNumberOfLeadingZeroes(LocationSummary* locations, |
| 276 | bool is64bit, |
| 277 | Mips64Assembler* assembler) { |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 278 | GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| 279 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 280 | |
| 281 | if (is64bit) { |
| 282 | __ Dclz(out, in); |
| 283 | } else { |
| 284 | __ Clz(out, in); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | // int java.lang.Integer.numberOfLeadingZeros(int i) |
| 289 | void IntrinsicLocationsBuilderMIPS64::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { |
| 290 | CreateIntToIntLocations(arena_, invoke); |
| 291 | } |
| 292 | |
| 293 | void IntrinsicCodeGeneratorMIPS64::VisitIntegerNumberOfLeadingZeros(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 294 | GenNumberOfLeadingZeroes(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | // int java.lang.Long.numberOfLeadingZeros(long i) |
| 298 | void IntrinsicLocationsBuilderMIPS64::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { |
| 299 | CreateIntToIntLocations(arena_, invoke); |
| 300 | } |
| 301 | |
| 302 | void IntrinsicCodeGeneratorMIPS64::VisitLongNumberOfLeadingZeros(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 303 | GenNumberOfLeadingZeroes(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 0646da7 | 2015-09-22 16:02:40 -0700 | [diff] [blame] | 304 | } |
| 305 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 306 | static void GenNumberOfTrailingZeroes(LocationSummary* locations, |
| 307 | bool is64bit, |
| 308 | Mips64Assembler* assembler) { |
Chris Larsen | 0646da7 | 2015-09-22 16:02:40 -0700 | [diff] [blame] | 309 | Location in = locations->InAt(0); |
| 310 | Location out = locations->Out(); |
| 311 | |
| 312 | if (is64bit) { |
| 313 | __ Dsbh(out.AsRegister<GpuRegister>(), in.AsRegister<GpuRegister>()); |
| 314 | __ Dshd(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 315 | __ Dbitswap(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 316 | __ Dclz(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 317 | } else { |
| 318 | __ Rotr(out.AsRegister<GpuRegister>(), in.AsRegister<GpuRegister>(), 16); |
| 319 | __ Wsbh(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 320 | __ Bitswap(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 321 | __ Clz(out.AsRegister<GpuRegister>(), out.AsRegister<GpuRegister>()); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | // int java.lang.Integer.numberOfTrailingZeros(int i) |
| 326 | void IntrinsicLocationsBuilderMIPS64::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { |
| 327 | CreateIntToIntLocations(arena_, invoke); |
| 328 | } |
| 329 | |
| 330 | void IntrinsicCodeGeneratorMIPS64::VisitIntegerNumberOfTrailingZeros(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 331 | GenNumberOfTrailingZeroes(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 0646da7 | 2015-09-22 16:02:40 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | // int java.lang.Long.numberOfTrailingZeros(long i) |
| 335 | void IntrinsicLocationsBuilderMIPS64::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { |
| 336 | CreateIntToIntLocations(arena_, invoke); |
| 337 | } |
| 338 | |
| 339 | void IntrinsicCodeGeneratorMIPS64::VisitLongNumberOfTrailingZeros(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 340 | GenNumberOfTrailingZeroes(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | static void GenReverse(LocationSummary* locations, |
| 344 | Primitive::Type type, |
| 345 | Mips64Assembler* assembler) { |
| 346 | DCHECK(type == Primitive::kPrimInt || type == Primitive::kPrimLong); |
| 347 | |
| 348 | GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| 349 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 350 | |
| 351 | if (type == Primitive::kPrimInt) { |
| 352 | __ Rotr(out, in, 16); |
| 353 | __ Wsbh(out, out); |
| 354 | __ Bitswap(out, out); |
| 355 | } else { |
| 356 | __ Dsbh(out, in); |
| 357 | __ Dshd(out, out); |
| 358 | __ Dbitswap(out, out); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | // int java.lang.Integer.reverse(int) |
| 363 | void IntrinsicLocationsBuilderMIPS64::VisitIntegerReverse(HInvoke* invoke) { |
| 364 | CreateIntToIntLocations(arena_, invoke); |
| 365 | } |
| 366 | |
| 367 | void IntrinsicCodeGeneratorMIPS64::VisitIntegerReverse(HInvoke* invoke) { |
| 368 | GenReverse(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| 369 | } |
| 370 | |
| 371 | // long java.lang.Long.reverse(long) |
| 372 | void IntrinsicLocationsBuilderMIPS64::VisitLongReverse(HInvoke* invoke) { |
| 373 | CreateIntToIntLocations(arena_, invoke); |
| 374 | } |
| 375 | |
| 376 | void IntrinsicCodeGeneratorMIPS64::VisitLongReverse(HInvoke* invoke) { |
| 377 | GenReverse(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| 378 | } |
| 379 | |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 380 | static void CreateFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 381 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 382 | LocationSummary::kNoCall, |
| 383 | kIntrinsified); |
| 384 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 385 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| 386 | } |
| 387 | |
| 388 | static void MathAbsFP(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| 389 | FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 390 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 391 | |
| 392 | if (is64bit) { |
| 393 | __ AbsD(out, in); |
| 394 | } else { |
| 395 | __ AbsS(out, in); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | // double java.lang.Math.abs(double) |
| 400 | void IntrinsicLocationsBuilderMIPS64::VisitMathAbsDouble(HInvoke* invoke) { |
| 401 | CreateFPToFPLocations(arena_, invoke); |
| 402 | } |
| 403 | |
| 404 | void IntrinsicCodeGeneratorMIPS64::VisitMathAbsDouble(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 405 | MathAbsFP(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | // float java.lang.Math.abs(float) |
| 409 | void IntrinsicLocationsBuilderMIPS64::VisitMathAbsFloat(HInvoke* invoke) { |
| 410 | CreateFPToFPLocations(arena_, invoke); |
| 411 | } |
| 412 | |
| 413 | void IntrinsicCodeGeneratorMIPS64::VisitMathAbsFloat(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 414 | MathAbsFP(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | static void CreateIntToInt(ArenaAllocator* arena, HInvoke* invoke) { |
| 418 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 419 | LocationSummary::kNoCall, |
| 420 | kIntrinsified); |
| 421 | locations->SetInAt(0, Location::RequiresRegister()); |
| 422 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 423 | } |
| 424 | |
| 425 | static void GenAbsInteger(LocationSummary* locations, bool is64bit, Mips64Assembler* assembler) { |
| 426 | GpuRegister in = locations->InAt(0).AsRegister<GpuRegister>(); |
| 427 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 428 | |
| 429 | if (is64bit) { |
| 430 | __ Dsra32(AT, in, 31); |
| 431 | __ Xor(out, in, AT); |
| 432 | __ Dsubu(out, out, AT); |
| 433 | } else { |
| 434 | __ Sra(AT, in, 31); |
| 435 | __ Xor(out, in, AT); |
| 436 | __ Subu(out, out, AT); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | // int java.lang.Math.abs(int) |
| 441 | void IntrinsicLocationsBuilderMIPS64::VisitMathAbsInt(HInvoke* invoke) { |
| 442 | CreateIntToInt(arena_, invoke); |
| 443 | } |
| 444 | |
| 445 | void IntrinsicCodeGeneratorMIPS64::VisitMathAbsInt(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 446 | GenAbsInteger(invoke->GetLocations(), /* is64bit */ false, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | // long java.lang.Math.abs(long) |
| 450 | void IntrinsicLocationsBuilderMIPS64::VisitMathAbsLong(HInvoke* invoke) { |
| 451 | CreateIntToInt(arena_, invoke); |
| 452 | } |
| 453 | |
| 454 | void IntrinsicCodeGeneratorMIPS64::VisitMathAbsLong(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 455 | GenAbsInteger(invoke->GetLocations(), /* is64bit */ true, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | static void GenMinMaxFP(LocationSummary* locations, |
| 459 | bool is_min, |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 460 | Primitive::Type type, |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 461 | Mips64Assembler* assembler) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 462 | FpuRegister a = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 463 | FpuRegister b = locations->InAt(1).AsFpuRegister<FpuRegister>(); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 464 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 465 | |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 466 | Mips64Label noNaNs; |
| 467 | Mips64Label done; |
| 468 | FpuRegister ftmp = ((out != a) && (out != b)) ? out : FTMP; |
| 469 | |
| 470 | // When Java computes min/max it prefers a NaN to a number; the |
| 471 | // behavior of MIPSR6 is to prefer numbers to NaNs, i.e., if one of |
| 472 | // the inputs is a NaN and the other is a valid number, the MIPS |
| 473 | // instruction will return the number; Java wants the NaN value |
| 474 | // returned. This is why there is extra logic preceding the use of |
| 475 | // the MIPS min.fmt/max.fmt instructions. If either a, or b holds a |
| 476 | // NaN, return the NaN, otherwise return the min/max. |
| 477 | if (type == Primitive::kPrimDouble) { |
| 478 | __ CmpUnD(FTMP, a, b); |
| 479 | __ Bc1eqz(FTMP, &noNaNs); |
| 480 | |
| 481 | // One of the inputs is a NaN |
| 482 | __ CmpEqD(ftmp, a, a); |
| 483 | // If a == a then b is the NaN, otherwise a is the NaN. |
| 484 | __ SelD(ftmp, a, b); |
| 485 | |
| 486 | if (ftmp != out) { |
| 487 | __ MovD(out, ftmp); |
| 488 | } |
| 489 | |
| 490 | __ Bc(&done); |
| 491 | |
| 492 | __ Bind(&noNaNs); |
| 493 | |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 494 | if (is_min) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 495 | __ MinD(out, a, b); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 496 | } else { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 497 | __ MaxD(out, a, b); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 498 | } |
| 499 | } else { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 500 | DCHECK_EQ(type, Primitive::kPrimFloat); |
| 501 | __ CmpUnS(FTMP, a, b); |
| 502 | __ Bc1eqz(FTMP, &noNaNs); |
| 503 | |
| 504 | // One of the inputs is a NaN |
| 505 | __ CmpEqS(ftmp, a, a); |
| 506 | // If a == a then b is the NaN, otherwise a is the NaN. |
| 507 | __ SelS(ftmp, a, b); |
| 508 | |
| 509 | if (ftmp != out) { |
| 510 | __ MovS(out, ftmp); |
| 511 | } |
| 512 | |
| 513 | __ Bc(&done); |
| 514 | |
| 515 | __ Bind(&noNaNs); |
| 516 | |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 517 | if (is_min) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 518 | __ MinS(out, a, b); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 519 | } else { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 520 | __ MaxS(out, a, b); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 521 | } |
| 522 | } |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 523 | |
| 524 | __ Bind(&done); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static void CreateFPFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 528 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 529 | LocationSummary::kNoCall, |
| 530 | kIntrinsified); |
| 531 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 532 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
| 533 | locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| 534 | } |
| 535 | |
| 536 | // double java.lang.Math.min(double, double) |
| 537 | void IntrinsicLocationsBuilderMIPS64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
| 538 | CreateFPFPToFPLocations(arena_, invoke); |
| 539 | } |
| 540 | |
| 541 | void IntrinsicCodeGeneratorMIPS64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 542 | GenMinMaxFP(invoke->GetLocations(), /* is_min */ true, Primitive::kPrimDouble, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | // float java.lang.Math.min(float, float) |
| 546 | void IntrinsicLocationsBuilderMIPS64::VisitMathMinFloatFloat(HInvoke* invoke) { |
| 547 | CreateFPFPToFPLocations(arena_, invoke); |
| 548 | } |
| 549 | |
| 550 | void IntrinsicCodeGeneratorMIPS64::VisitMathMinFloatFloat(HInvoke* invoke) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 551 | GenMinMaxFP(invoke->GetLocations(), /* is_min */ true, Primitive::kPrimFloat, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | // double java.lang.Math.max(double, double) |
| 555 | void IntrinsicLocationsBuilderMIPS64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
| 556 | CreateFPFPToFPLocations(arena_, invoke); |
| 557 | } |
| 558 | |
| 559 | void IntrinsicCodeGeneratorMIPS64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 560 | GenMinMaxFP(invoke->GetLocations(), /* is_min */ false, Primitive::kPrimDouble, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | // float java.lang.Math.max(float, float) |
| 564 | void IntrinsicLocationsBuilderMIPS64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
| 565 | CreateFPFPToFPLocations(arena_, invoke); |
| 566 | } |
| 567 | |
| 568 | void IntrinsicCodeGeneratorMIPS64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 569 | GenMinMaxFP(invoke->GetLocations(), /* is_min */ false, Primitive::kPrimFloat, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | static void GenMinMax(LocationSummary* locations, |
| 573 | bool is_min, |
| 574 | Mips64Assembler* assembler) { |
| 575 | GpuRegister lhs = locations->InAt(0).AsRegister<GpuRegister>(); |
| 576 | GpuRegister rhs = locations->InAt(1).AsRegister<GpuRegister>(); |
| 577 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 578 | |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 579 | if (lhs == rhs) { |
| 580 | if (out != lhs) { |
| 581 | __ Move(out, lhs); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 582 | } |
| 583 | } else { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 584 | // Some architectures, such as ARM and MIPS (prior to r6), have a |
| 585 | // conditional move instruction which only changes the target |
| 586 | // (output) register if the condition is true (MIPS prior to r6 had |
| 587 | // MOVF, MOVT, and MOVZ). The SELEQZ and SELNEZ instructions always |
| 588 | // change the target (output) register. If the condition is true the |
| 589 | // output register gets the contents of the "rs" register; otherwise, |
| 590 | // the output register is set to zero. One consequence of this is |
| 591 | // that to implement something like "rd = c==0 ? rs : rt" MIPS64r6 |
| 592 | // needs to use a pair of SELEQZ/SELNEZ instructions. After |
| 593 | // executing this pair of instructions one of the output registers |
| 594 | // from the pair will necessarily contain zero. Then the code ORs the |
| 595 | // output registers from the SELEQZ/SELNEZ instructions to get the |
| 596 | // final result. |
| 597 | // |
| 598 | // The initial test to see if the output register is same as the |
| 599 | // first input register is needed to make sure that value in the |
| 600 | // first input register isn't clobbered before we've finished |
| 601 | // computing the output value. The logic in the corresponding else |
| 602 | // clause performs the same task but makes sure the second input |
| 603 | // register isn't clobbered in the event that it's the same register |
| 604 | // as the output register; the else clause also handles the case |
| 605 | // where the output register is distinct from both the first, and the |
| 606 | // second input registers. |
| 607 | if (out == lhs) { |
| 608 | __ Slt(AT, rhs, lhs); |
| 609 | if (is_min) { |
| 610 | __ Seleqz(out, lhs, AT); |
| 611 | __ Selnez(AT, rhs, AT); |
| 612 | } else { |
| 613 | __ Selnez(out, lhs, AT); |
| 614 | __ Seleqz(AT, rhs, AT); |
| 615 | } |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 616 | } else { |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 617 | __ Slt(AT, lhs, rhs); |
| 618 | if (is_min) { |
| 619 | __ Seleqz(out, rhs, AT); |
| 620 | __ Selnez(AT, lhs, AT); |
| 621 | } else { |
| 622 | __ Selnez(out, rhs, AT); |
| 623 | __ Seleqz(AT, lhs, AT); |
| 624 | } |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 625 | } |
Chris Larsen | b74353a | 2015-11-20 09:07:09 -0800 | [diff] [blame] | 626 | __ Or(out, out, AT); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 627 | } |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | static void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 631 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 632 | LocationSummary::kNoCall, |
| 633 | kIntrinsified); |
| 634 | locations->SetInAt(0, Location::RequiresRegister()); |
| 635 | locations->SetInAt(1, Location::RequiresRegister()); |
| 636 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 637 | } |
| 638 | |
| 639 | // int java.lang.Math.min(int, int) |
| 640 | void IntrinsicLocationsBuilderMIPS64::VisitMathMinIntInt(HInvoke* invoke) { |
| 641 | CreateIntIntToIntLocations(arena_, invoke); |
| 642 | } |
| 643 | |
| 644 | void IntrinsicCodeGeneratorMIPS64::VisitMathMinIntInt(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 645 | GenMinMax(invoke->GetLocations(), /* is_min */ true, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | // long java.lang.Math.min(long, long) |
| 649 | void IntrinsicLocationsBuilderMIPS64::VisitMathMinLongLong(HInvoke* invoke) { |
| 650 | CreateIntIntToIntLocations(arena_, invoke); |
| 651 | } |
| 652 | |
| 653 | void IntrinsicCodeGeneratorMIPS64::VisitMathMinLongLong(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 654 | GenMinMax(invoke->GetLocations(), /* is_min */ true, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | // int java.lang.Math.max(int, int) |
| 658 | void IntrinsicLocationsBuilderMIPS64::VisitMathMaxIntInt(HInvoke* invoke) { |
| 659 | CreateIntIntToIntLocations(arena_, invoke); |
| 660 | } |
| 661 | |
| 662 | void IntrinsicCodeGeneratorMIPS64::VisitMathMaxIntInt(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 663 | GenMinMax(invoke->GetLocations(), /* is_min */ false, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | // long java.lang.Math.max(long, long) |
| 667 | void IntrinsicLocationsBuilderMIPS64::VisitMathMaxLongLong(HInvoke* invoke) { |
| 668 | CreateIntIntToIntLocations(arena_, invoke); |
| 669 | } |
| 670 | |
| 671 | void IntrinsicCodeGeneratorMIPS64::VisitMathMaxLongLong(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 672 | GenMinMax(invoke->GetLocations(), /* is_min */ false, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | // double java.lang.Math.sqrt(double) |
| 676 | void IntrinsicLocationsBuilderMIPS64::VisitMathSqrt(HInvoke* invoke) { |
| 677 | CreateFPToFPLocations(arena_, invoke); |
| 678 | } |
| 679 | |
| 680 | void IntrinsicCodeGeneratorMIPS64::VisitMathSqrt(HInvoke* invoke) { |
| 681 | LocationSummary* locations = invoke->GetLocations(); |
| 682 | Mips64Assembler* assembler = GetAssembler(); |
| 683 | FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 684 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 685 | |
| 686 | __ SqrtD(out, in); |
| 687 | } |
| 688 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 689 | static void CreateFPToFP(ArenaAllocator* arena, |
| 690 | HInvoke* invoke, |
| 691 | Location::OutputOverlap overlaps = Location::kOutputOverlap) { |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 692 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 693 | LocationSummary::kNoCall, |
| 694 | kIntrinsified); |
| 695 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 696 | locations->SetOut(Location::RequiresFpuRegister(), overlaps); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | // double java.lang.Math.rint(double) |
| 700 | void IntrinsicLocationsBuilderMIPS64::VisitMathRint(HInvoke* invoke) { |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 701 | CreateFPToFP(arena_, invoke, Location::kNoOutputOverlap); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 702 | } |
| 703 | |
| 704 | void IntrinsicCodeGeneratorMIPS64::VisitMathRint(HInvoke* invoke) { |
| 705 | LocationSummary* locations = invoke->GetLocations(); |
| 706 | Mips64Assembler* assembler = GetAssembler(); |
| 707 | FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 708 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 709 | |
| 710 | __ RintD(out, in); |
| 711 | } |
| 712 | |
| 713 | // double java.lang.Math.floor(double) |
| 714 | void IntrinsicLocationsBuilderMIPS64::VisitMathFloor(HInvoke* invoke) { |
| 715 | CreateFPToFP(arena_, invoke); |
| 716 | } |
| 717 | |
Chris Larsen | 1450082 | 2015-10-01 11:35:18 -0700 | [diff] [blame] | 718 | const constexpr uint16_t kFPLeaveUnchanged = kPositiveZero | |
| 719 | kPositiveInfinity | |
| 720 | kNegativeZero | |
| 721 | kNegativeInfinity | |
| 722 | kQuietNaN | |
| 723 | kSignalingNaN; |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 724 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 725 | enum FloatRoundingMode { |
| 726 | kFloor, |
| 727 | kCeil, |
| 728 | }; |
| 729 | |
| 730 | static void GenRoundingMode(LocationSummary* locations, |
| 731 | FloatRoundingMode mode, |
| 732 | Mips64Assembler* assembler) { |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 733 | FpuRegister in = locations->InAt(0).AsFpuRegister<FpuRegister>(); |
| 734 | FpuRegister out = locations->Out().AsFpuRegister<FpuRegister>(); |
| 735 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 736 | DCHECK_NE(in, out); |
| 737 | |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 738 | Mips64Label done; |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 739 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 740 | // double floor/ceil(double in) { |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 741 | // if in.isNaN || in.isInfinite || in.isZero { |
| 742 | // return in; |
| 743 | // } |
| 744 | __ ClassD(out, in); |
| 745 | __ Dmfc1(AT, out); |
Chris Larsen | 1450082 | 2015-10-01 11:35:18 -0700 | [diff] [blame] | 746 | __ Andi(AT, AT, kFPLeaveUnchanged); // +0.0 | +Inf | -0.0 | -Inf | qNaN | sNaN |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 747 | __ MovD(out, in); |
| 748 | __ Bnezc(AT, &done); |
| 749 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 750 | // Long outLong = floor/ceil(in); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 751 | // if outLong == Long.MAX_VALUE { |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 752 | // // floor()/ceil() has almost certainly returned a value |
| 753 | // // which can't be successfully represented as a signed |
| 754 | // // 64-bit number. Java expects that the input value will |
| 755 | // // be returned in these cases. |
| 756 | // // There is also a small probability that floor(in)/ceil(in) |
| 757 | // // correctly truncates/rounds up the input value to |
| 758 | // // Long.MAX_VALUE. In that case, this exception handling |
| 759 | // // code still does the correct thing. |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 760 | // return in; |
| 761 | // } |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 762 | if (mode == kFloor) { |
| 763 | __ FloorLD(out, in); |
| 764 | } else if (mode == kCeil) { |
| 765 | __ CeilLD(out, in); |
| 766 | } |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 767 | __ Dmfc1(AT, out); |
| 768 | __ MovD(out, in); |
| 769 | __ LoadConst64(TMP, kPrimLongMax); |
| 770 | __ Beqc(AT, TMP, &done); |
| 771 | |
| 772 | // double out = outLong; |
| 773 | // return out; |
| 774 | __ Dmtc1(AT, out); |
| 775 | __ Cvtdl(out, out); |
| 776 | __ Bind(&done); |
| 777 | // } |
| 778 | } |
| 779 | |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 780 | void IntrinsicCodeGeneratorMIPS64::VisitMathFloor(HInvoke* invoke) { |
| 781 | GenRoundingMode(invoke->GetLocations(), kFloor, GetAssembler()); |
| 782 | } |
| 783 | |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 784 | // double java.lang.Math.ceil(double) |
| 785 | void IntrinsicLocationsBuilderMIPS64::VisitMathCeil(HInvoke* invoke) { |
| 786 | CreateFPToFP(arena_, invoke); |
| 787 | } |
| 788 | |
| 789 | void IntrinsicCodeGeneratorMIPS64::VisitMathCeil(HInvoke* invoke) { |
Chris Larsen | 8128437 | 2015-10-21 15:28:53 -0700 | [diff] [blame] | 790 | GenRoundingMode(invoke->GetLocations(), kCeil, GetAssembler()); |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 791 | } |
| 792 | |
Chris Larsen | 70fb1f4 | 2015-09-04 10:15:27 -0700 | [diff] [blame] | 793 | // byte libcore.io.Memory.peekByte(long address) |
| 794 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekByte(HInvoke* invoke) { |
| 795 | CreateIntToIntLocations(arena_, invoke); |
| 796 | } |
| 797 | |
| 798 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekByte(HInvoke* invoke) { |
| 799 | Mips64Assembler* assembler = GetAssembler(); |
| 800 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 801 | GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| 802 | |
| 803 | __ Lb(out, adr, 0); |
| 804 | } |
| 805 | |
| 806 | // short libcore.io.Memory.peekShort(long address) |
| 807 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| 808 | CreateIntToIntLocations(arena_, invoke); |
| 809 | } |
| 810 | |
| 811 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| 812 | Mips64Assembler* assembler = GetAssembler(); |
| 813 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 814 | GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| 815 | |
| 816 | __ Lh(out, adr, 0); |
| 817 | } |
| 818 | |
| 819 | // int libcore.io.Memory.peekInt(long address) |
| 820 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| 821 | CreateIntToIntLocations(arena_, invoke); |
| 822 | } |
| 823 | |
| 824 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| 825 | Mips64Assembler* assembler = GetAssembler(); |
| 826 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 827 | GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| 828 | |
| 829 | __ Lw(out, adr, 0); |
| 830 | } |
| 831 | |
| 832 | // long libcore.io.Memory.peekLong(long address) |
| 833 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| 834 | CreateIntToIntLocations(arena_, invoke); |
| 835 | } |
| 836 | |
| 837 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| 838 | Mips64Assembler* assembler = GetAssembler(); |
| 839 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 840 | GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| 841 | |
| 842 | __ Ld(out, adr, 0); |
| 843 | } |
| 844 | |
| 845 | static void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 846 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 847 | LocationSummary::kNoCall, |
| 848 | kIntrinsified); |
| 849 | locations->SetInAt(0, Location::RequiresRegister()); |
| 850 | locations->SetInAt(1, Location::RequiresRegister()); |
| 851 | } |
| 852 | |
| 853 | // void libcore.io.Memory.pokeByte(long address, byte value) |
| 854 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeByte(HInvoke* invoke) { |
| 855 | CreateIntIntToVoidLocations(arena_, invoke); |
| 856 | } |
| 857 | |
| 858 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeByte(HInvoke* invoke) { |
| 859 | Mips64Assembler* assembler = GetAssembler(); |
| 860 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 861 | GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| 862 | |
| 863 | __ Sb(val, adr, 0); |
| 864 | } |
| 865 | |
| 866 | // void libcore.io.Memory.pokeShort(long address, short value) |
| 867 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| 868 | CreateIntIntToVoidLocations(arena_, invoke); |
| 869 | } |
| 870 | |
| 871 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| 872 | Mips64Assembler* assembler = GetAssembler(); |
| 873 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 874 | GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| 875 | |
| 876 | __ Sh(val, adr, 0); |
| 877 | } |
| 878 | |
| 879 | // void libcore.io.Memory.pokeInt(long address, int value) |
| 880 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| 881 | CreateIntIntToVoidLocations(arena_, invoke); |
| 882 | } |
| 883 | |
| 884 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| 885 | Mips64Assembler* assembler = GetAssembler(); |
| 886 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 887 | GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| 888 | |
| 889 | __ Sw(val, adr, 00); |
| 890 | } |
| 891 | |
| 892 | // void libcore.io.Memory.pokeLong(long address, long value) |
| 893 | void IntrinsicLocationsBuilderMIPS64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| 894 | CreateIntIntToVoidLocations(arena_, invoke); |
| 895 | } |
| 896 | |
| 897 | void IntrinsicCodeGeneratorMIPS64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| 898 | Mips64Assembler* assembler = GetAssembler(); |
| 899 | GpuRegister adr = invoke->GetLocations()->InAt(0).AsRegister<GpuRegister>(); |
| 900 | GpuRegister val = invoke->GetLocations()->InAt(1).AsRegister<GpuRegister>(); |
| 901 | |
| 902 | __ Sd(val, adr, 0); |
| 903 | } |
| 904 | |
Chris Larsen | 49e5539 | 2015-09-04 16:04:03 -0700 | [diff] [blame] | 905 | // Thread java.lang.Thread.currentThread() |
| 906 | void IntrinsicLocationsBuilderMIPS64::VisitThreadCurrentThread(HInvoke* invoke) { |
| 907 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 908 | LocationSummary::kNoCall, |
| 909 | kIntrinsified); |
| 910 | locations->SetOut(Location::RequiresRegister()); |
| 911 | } |
| 912 | |
| 913 | void IntrinsicCodeGeneratorMIPS64::VisitThreadCurrentThread(HInvoke* invoke) { |
| 914 | Mips64Assembler* assembler = GetAssembler(); |
| 915 | GpuRegister out = invoke->GetLocations()->Out().AsRegister<GpuRegister>(); |
| 916 | |
| 917 | __ LoadFromOffset(kLoadUnsignedWord, |
| 918 | out, |
| 919 | TR, |
| 920 | Thread::PeerOffset<kMips64PointerSize>().Int32Value()); |
| 921 | } |
| 922 | |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 923 | static void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 924 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 925 | LocationSummary::kNoCall, |
| 926 | kIntrinsified); |
| 927 | locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| 928 | locations->SetInAt(1, Location::RequiresRegister()); |
| 929 | locations->SetInAt(2, Location::RequiresRegister()); |
| 930 | locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| 931 | } |
| 932 | |
| 933 | static void GenUnsafeGet(HInvoke* invoke, |
| 934 | Primitive::Type type, |
| 935 | bool is_volatile, |
| 936 | CodeGeneratorMIPS64* codegen) { |
| 937 | LocationSummary* locations = invoke->GetLocations(); |
| 938 | DCHECK((type == Primitive::kPrimInt) || |
| 939 | (type == Primitive::kPrimLong) || |
| 940 | (type == Primitive::kPrimNot)); |
| 941 | Mips64Assembler* assembler = codegen->GetAssembler(); |
| 942 | // Object pointer. |
| 943 | GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| 944 | // Long offset. |
| 945 | GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| 946 | GpuRegister trg = locations->Out().AsRegister<GpuRegister>(); |
| 947 | |
| 948 | __ Daddu(TMP, base, offset); |
| 949 | if (is_volatile) { |
| 950 | __ Sync(0); |
| 951 | } |
| 952 | switch (type) { |
| 953 | case Primitive::kPrimInt: |
| 954 | __ Lw(trg, TMP, 0); |
| 955 | break; |
| 956 | |
| 957 | case Primitive::kPrimNot: |
| 958 | __ Lwu(trg, TMP, 0); |
| 959 | break; |
| 960 | |
| 961 | case Primitive::kPrimLong: |
| 962 | __ Ld(trg, TMP, 0); |
| 963 | break; |
| 964 | |
| 965 | default: |
| 966 | LOG(FATAL) << "Unsupported op size " << type; |
| 967 | UNREACHABLE(); |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | // int sun.misc.Unsafe.getInt(Object o, long offset) |
| 972 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGet(HInvoke* invoke) { |
| 973 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 974 | } |
| 975 | |
| 976 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGet(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 977 | GenUnsafeGet(invoke, Primitive::kPrimInt, /* is_volatile */ false, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 978 | } |
| 979 | |
| 980 | // int sun.misc.Unsafe.getIntVolatile(Object o, long offset) |
| 981 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
| 982 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 983 | } |
| 984 | |
| 985 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 986 | GenUnsafeGet(invoke, Primitive::kPrimInt, /* is_volatile */ true, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | // long sun.misc.Unsafe.getLong(Object o, long offset) |
| 990 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetLong(HInvoke* invoke) { |
| 991 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 992 | } |
| 993 | |
| 994 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetLong(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 995 | GenUnsafeGet(invoke, Primitive::kPrimLong, /* is_volatile */ false, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 996 | } |
| 997 | |
| 998 | // long sun.misc.Unsafe.getLongVolatile(Object o, long offset) |
| 999 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
| 1000 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1001 | } |
| 1002 | |
| 1003 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1004 | GenUnsafeGet(invoke, Primitive::kPrimLong, /* is_volatile */ true, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1005 | } |
| 1006 | |
| 1007 | // Object sun.misc.Unsafe.getObject(Object o, long offset) |
| 1008 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetObject(HInvoke* invoke) { |
| 1009 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1010 | } |
| 1011 | |
| 1012 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetObject(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1013 | GenUnsafeGet(invoke, Primitive::kPrimNot, /* is_volatile */ false, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | // Object sun.misc.Unsafe.getObjectVolatile(Object o, long offset) |
| 1017 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
| 1018 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1019 | } |
| 1020 | |
| 1021 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1022 | GenUnsafeGet(invoke, Primitive::kPrimNot, /* is_volatile */ true, codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | static void CreateIntIntIntIntToVoid(ArenaAllocator* arena, HInvoke* invoke) { |
| 1026 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 1027 | LocationSummary::kNoCall, |
| 1028 | kIntrinsified); |
| 1029 | locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| 1030 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1031 | locations->SetInAt(2, Location::RequiresRegister()); |
| 1032 | locations->SetInAt(3, Location::RequiresRegister()); |
| 1033 | } |
| 1034 | |
| 1035 | static void GenUnsafePut(LocationSummary* locations, |
| 1036 | Primitive::Type type, |
| 1037 | bool is_volatile, |
| 1038 | bool is_ordered, |
| 1039 | CodeGeneratorMIPS64* codegen) { |
| 1040 | DCHECK((type == Primitive::kPrimInt) || |
| 1041 | (type == Primitive::kPrimLong) || |
| 1042 | (type == Primitive::kPrimNot)); |
| 1043 | Mips64Assembler* assembler = codegen->GetAssembler(); |
| 1044 | // Object pointer. |
| 1045 | GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1046 | // Long offset. |
| 1047 | GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| 1048 | GpuRegister value = locations->InAt(3).AsRegister<GpuRegister>(); |
| 1049 | |
| 1050 | __ Daddu(TMP, base, offset); |
| 1051 | if (is_volatile || is_ordered) { |
| 1052 | __ Sync(0); |
| 1053 | } |
| 1054 | switch (type) { |
| 1055 | case Primitive::kPrimInt: |
| 1056 | case Primitive::kPrimNot: |
| 1057 | __ Sw(value, TMP, 0); |
| 1058 | break; |
| 1059 | |
| 1060 | case Primitive::kPrimLong: |
| 1061 | __ Sd(value, TMP, 0); |
| 1062 | break; |
| 1063 | |
| 1064 | default: |
| 1065 | LOG(FATAL) << "Unsupported op size " << type; |
| 1066 | UNREACHABLE(); |
| 1067 | } |
| 1068 | if (is_volatile) { |
| 1069 | __ Sync(0); |
| 1070 | } |
| 1071 | |
| 1072 | if (type == Primitive::kPrimNot) { |
Goran Jakovljevic | 8ed1826 | 2016-01-22 13:01:00 +0100 | [diff] [blame] | 1073 | bool value_can_be_null = true; // TODO: Worth finding out this information? |
| 1074 | codegen->MarkGCCard(base, value, value_can_be_null); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | // void sun.misc.Unsafe.putInt(Object o, long offset, int x) |
| 1079 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePut(HInvoke* invoke) { |
| 1080 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1081 | } |
| 1082 | |
| 1083 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePut(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1084 | GenUnsafePut(invoke->GetLocations(), |
| 1085 | Primitive::kPrimInt, |
| 1086 | /* is_volatile */ false, |
| 1087 | /* is_ordered */ false, |
| 1088 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1089 | } |
| 1090 | |
| 1091 | // void sun.misc.Unsafe.putOrderedInt(Object o, long offset, int x) |
| 1092 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutOrdered(HInvoke* invoke) { |
| 1093 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1094 | } |
| 1095 | |
| 1096 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutOrdered(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1097 | GenUnsafePut(invoke->GetLocations(), |
| 1098 | Primitive::kPrimInt, |
| 1099 | /* is_volatile */ false, |
| 1100 | /* is_ordered */ true, |
| 1101 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1102 | } |
| 1103 | |
| 1104 | // void sun.misc.Unsafe.putIntVolatile(Object o, long offset, int x) |
| 1105 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutVolatile(HInvoke* invoke) { |
| 1106 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1107 | } |
| 1108 | |
| 1109 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1110 | GenUnsafePut(invoke->GetLocations(), |
| 1111 | Primitive::kPrimInt, |
| 1112 | /* is_volatile */ true, |
| 1113 | /* is_ordered */ false, |
| 1114 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1115 | } |
| 1116 | |
| 1117 | // void sun.misc.Unsafe.putObject(Object o, long offset, Object x) |
| 1118 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObject(HInvoke* invoke) { |
| 1119 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1120 | } |
| 1121 | |
| 1122 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObject(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1123 | GenUnsafePut(invoke->GetLocations(), |
| 1124 | Primitive::kPrimNot, |
| 1125 | /* is_volatile */ false, |
| 1126 | /* is_ordered */ false, |
| 1127 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1128 | } |
| 1129 | |
| 1130 | // void sun.misc.Unsafe.putOrderedObject(Object o, long offset, Object x) |
| 1131 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
| 1132 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1133 | } |
| 1134 | |
| 1135 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1136 | GenUnsafePut(invoke->GetLocations(), |
| 1137 | Primitive::kPrimNot, |
| 1138 | /* is_volatile */ false, |
| 1139 | /* is_ordered */ true, |
| 1140 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1141 | } |
| 1142 | |
| 1143 | // void sun.misc.Unsafe.putObjectVolatile(Object o, long offset, Object x) |
| 1144 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
| 1145 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1146 | } |
| 1147 | |
| 1148 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1149 | GenUnsafePut(invoke->GetLocations(), |
| 1150 | Primitive::kPrimNot, |
| 1151 | /* is_volatile */ true, |
| 1152 | /* is_ordered */ false, |
| 1153 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1154 | } |
| 1155 | |
| 1156 | // void sun.misc.Unsafe.putLong(Object o, long offset, long x) |
| 1157 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLong(HInvoke* invoke) { |
| 1158 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1159 | } |
| 1160 | |
| 1161 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLong(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1162 | GenUnsafePut(invoke->GetLocations(), |
| 1163 | Primitive::kPrimLong, |
| 1164 | /* is_volatile */ false, |
| 1165 | /* is_ordered */ false, |
| 1166 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | // void sun.misc.Unsafe.putOrderedLong(Object o, long offset, long x) |
| 1170 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
| 1171 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1172 | } |
| 1173 | |
| 1174 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1175 | GenUnsafePut(invoke->GetLocations(), |
| 1176 | Primitive::kPrimLong, |
| 1177 | /* is_volatile */ false, |
| 1178 | /* is_ordered */ true, |
| 1179 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | // void sun.misc.Unsafe.putLongVolatile(Object o, long offset, long x) |
| 1183 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
| 1184 | CreateIntIntIntIntToVoid(arena_, invoke); |
| 1185 | } |
| 1186 | |
| 1187 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1188 | GenUnsafePut(invoke->GetLocations(), |
| 1189 | Primitive::kPrimLong, |
| 1190 | /* is_volatile */ true, |
| 1191 | /* is_ordered */ false, |
| 1192 | codegen_); |
Chris Larsen | 1360ada | 2015-09-04 23:38:16 -0700 | [diff] [blame] | 1193 | } |
| 1194 | |
Chris Larsen | 3642749 | 2015-10-23 02:19:38 -0700 | [diff] [blame] | 1195 | static void CreateIntIntIntIntIntToInt(ArenaAllocator* arena, HInvoke* invoke) { |
| 1196 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 1197 | LocationSummary::kNoCall, |
| 1198 | kIntrinsified); |
| 1199 | locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
| 1200 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1201 | locations->SetInAt(2, Location::RequiresRegister()); |
| 1202 | locations->SetInAt(3, Location::RequiresRegister()); |
| 1203 | locations->SetInAt(4, Location::RequiresRegister()); |
| 1204 | |
| 1205 | locations->SetOut(Location::RequiresRegister()); |
| 1206 | } |
| 1207 | |
| 1208 | static void GenCas(LocationSummary* locations, Primitive::Type type, CodeGeneratorMIPS64* codegen) { |
| 1209 | Mips64Assembler* assembler = codegen->GetAssembler(); |
| 1210 | GpuRegister base = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1211 | GpuRegister offset = locations->InAt(2).AsRegister<GpuRegister>(); |
| 1212 | GpuRegister expected = locations->InAt(3).AsRegister<GpuRegister>(); |
| 1213 | GpuRegister value = locations->InAt(4).AsRegister<GpuRegister>(); |
| 1214 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 1215 | |
| 1216 | DCHECK_NE(base, out); |
| 1217 | DCHECK_NE(offset, out); |
| 1218 | DCHECK_NE(expected, out); |
| 1219 | |
Goran Jakovljevic | 8ed1826 | 2016-01-22 13:01:00 +0100 | [diff] [blame] | 1220 | if (type == Primitive::kPrimNot) { |
| 1221 | // Mark card for object assuming new value is stored. |
| 1222 | bool value_can_be_null = true; // TODO: Worth finding out this information? |
| 1223 | codegen->MarkGCCard(base, value, value_can_be_null); |
| 1224 | } |
| 1225 | |
Chris Larsen | 3642749 | 2015-10-23 02:19:38 -0700 | [diff] [blame] | 1226 | // do { |
| 1227 | // tmp_value = [tmp_ptr] - expected; |
| 1228 | // } while (tmp_value == 0 && failure([tmp_ptr] <- r_new_value)); |
| 1229 | // result = tmp_value != 0; |
| 1230 | |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 1231 | Mips64Label loop_head, exit_loop; |
Chris Larsen | 3642749 | 2015-10-23 02:19:38 -0700 | [diff] [blame] | 1232 | __ Daddu(TMP, base, offset); |
| 1233 | __ Sync(0); |
| 1234 | __ Bind(&loop_head); |
| 1235 | if (type == Primitive::kPrimLong) { |
| 1236 | __ Lld(out, TMP); |
| 1237 | } else { |
Roland Levillain | 391b866 | 2015-12-18 11:43:38 +0000 | [diff] [blame] | 1238 | // Note: We will need a read barrier here, when read barrier |
| 1239 | // support is added to the MIPS64 back end. |
Chris Larsen | 3642749 | 2015-10-23 02:19:38 -0700 | [diff] [blame] | 1240 | __ Ll(out, TMP); |
| 1241 | } |
| 1242 | __ Dsubu(out, out, expected); // If we didn't get the 'expected' |
| 1243 | __ Sltiu(out, out, 1); // value, set 'out' to false, and |
| 1244 | __ Beqzc(out, &exit_loop); // return. |
| 1245 | __ Move(out, value); // Use 'out' for the 'store conditional' instruction. |
| 1246 | // If we use 'value' directly, we would lose 'value' |
| 1247 | // in the case that the store fails. Whether the |
| 1248 | // store succeeds, or fails, it will load the |
| 1249 | // correct boolean value into the 'out' register. |
| 1250 | if (type == Primitive::kPrimLong) { |
| 1251 | __ Scd(out, TMP); |
| 1252 | } else { |
| 1253 | __ Sc(out, TMP); |
| 1254 | } |
| 1255 | __ Beqzc(out, &loop_head); // If we couldn't do the read-modify-write |
| 1256 | // cycle atomically then retry. |
| 1257 | __ Bind(&exit_loop); |
| 1258 | __ Sync(0); |
| 1259 | } |
| 1260 | |
| 1261 | // boolean sun.misc.Unsafe.compareAndSwapInt(Object o, long offset, int expected, int x) |
| 1262 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASInt(HInvoke* invoke) { |
| 1263 | CreateIntIntIntIntIntToInt(arena_, invoke); |
| 1264 | } |
| 1265 | |
| 1266 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASInt(HInvoke* invoke) { |
| 1267 | GenCas(invoke->GetLocations(), Primitive::kPrimInt, codegen_); |
| 1268 | } |
| 1269 | |
| 1270 | // boolean sun.misc.Unsafe.compareAndSwapLong(Object o, long offset, long expected, long x) |
| 1271 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASLong(HInvoke* invoke) { |
| 1272 | CreateIntIntIntIntIntToInt(arena_, invoke); |
| 1273 | } |
| 1274 | |
| 1275 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASLong(HInvoke* invoke) { |
| 1276 | GenCas(invoke->GetLocations(), Primitive::kPrimLong, codegen_); |
| 1277 | } |
| 1278 | |
| 1279 | // boolean sun.misc.Unsafe.compareAndSwapObject(Object o, long offset, Object expected, Object x) |
| 1280 | void IntrinsicLocationsBuilderMIPS64::VisitUnsafeCASObject(HInvoke* invoke) { |
| 1281 | CreateIntIntIntIntIntToInt(arena_, invoke); |
| 1282 | } |
| 1283 | |
| 1284 | void IntrinsicCodeGeneratorMIPS64::VisitUnsafeCASObject(HInvoke* invoke) { |
| 1285 | GenCas(invoke->GetLocations(), Primitive::kPrimNot, codegen_); |
| 1286 | } |
| 1287 | |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1288 | // char java.lang.String.charAt(int index) |
| 1289 | void IntrinsicLocationsBuilderMIPS64::VisitStringCharAt(HInvoke* invoke) { |
| 1290 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1291 | LocationSummary::kCallOnSlowPath, |
| 1292 | kIntrinsified); |
| 1293 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1294 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1295 | locations->SetOut(Location::SameAsFirstInput()); |
| 1296 | } |
| 1297 | |
| 1298 | void IntrinsicCodeGeneratorMIPS64::VisitStringCharAt(HInvoke* invoke) { |
| 1299 | LocationSummary* locations = invoke->GetLocations(); |
| 1300 | Mips64Assembler* assembler = GetAssembler(); |
| 1301 | |
| 1302 | // Location of reference to data array |
| 1303 | const int32_t value_offset = mirror::String::ValueOffset().Int32Value(); |
| 1304 | // Location of count |
| 1305 | const int32_t count_offset = mirror::String::CountOffset().Int32Value(); |
| 1306 | |
| 1307 | GpuRegister obj = locations->InAt(0).AsRegister<GpuRegister>(); |
| 1308 | GpuRegister idx = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1309 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 1310 | |
| 1311 | // TODO: Maybe we can support range check elimination. Overall, |
| 1312 | // though, I think it's not worth the cost. |
| 1313 | // TODO: For simplicity, the index parameter is requested in a |
| 1314 | // register, so different from Quick we will not optimize the |
| 1315 | // code for constants (which would save a register). |
| 1316 | |
| 1317 | SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| 1318 | codegen_->AddSlowPath(slow_path); |
| 1319 | |
| 1320 | // Load the string size |
| 1321 | __ Lw(TMP, obj, count_offset); |
| 1322 | codegen_->MaybeRecordImplicitNullCheck(invoke); |
| 1323 | // Revert to slow path if idx is too large, or negative |
| 1324 | __ Bgeuc(idx, TMP, slow_path->GetEntryLabel()); |
| 1325 | |
| 1326 | // out = obj[2*idx]. |
| 1327 | __ Sll(TMP, idx, 1); // idx * 2 |
| 1328 | __ Daddu(TMP, TMP, obj); // Address of char at location idx |
| 1329 | __ Lhu(out, TMP, value_offset); // Load char at location idx |
| 1330 | |
| 1331 | __ Bind(slow_path->GetExitLabel()); |
| 1332 | } |
| 1333 | |
| 1334 | // int java.lang.String.compareTo(String anotherString) |
| 1335 | void IntrinsicLocationsBuilderMIPS64::VisitStringCompareTo(HInvoke* invoke) { |
| 1336 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1337 | LocationSummary::kCall, |
| 1338 | kIntrinsified); |
| 1339 | InvokeRuntimeCallingConvention calling_convention; |
| 1340 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1341 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1342 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1343 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1344 | } |
| 1345 | |
| 1346 | void IntrinsicCodeGeneratorMIPS64::VisitStringCompareTo(HInvoke* invoke) { |
| 1347 | Mips64Assembler* assembler = GetAssembler(); |
| 1348 | LocationSummary* locations = invoke->GetLocations(); |
| 1349 | |
| 1350 | // Note that the null check must have been done earlier. |
| 1351 | DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| 1352 | |
| 1353 | GpuRegister argument = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1354 | SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| 1355 | codegen_->AddSlowPath(slow_path); |
| 1356 | __ Beqzc(argument, slow_path->GetEntryLabel()); |
| 1357 | |
| 1358 | __ LoadFromOffset(kLoadDoubleword, |
| 1359 | TMP, |
| 1360 | TR, |
Lazar Trsic | d967266 | 2015-09-03 17:33:01 +0200 | [diff] [blame] | 1361 | QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, pStringCompareTo).Int32Value()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1362 | __ Jalr(TMP); |
| 1363 | __ Nop(); |
| 1364 | __ Bind(slow_path->GetExitLabel()); |
| 1365 | } |
| 1366 | |
Chris Larsen | 972d6d7 | 2015-10-20 11:29:12 -0700 | [diff] [blame] | 1367 | // boolean java.lang.String.equals(Object anObject) |
| 1368 | void IntrinsicLocationsBuilderMIPS64::VisitStringEquals(HInvoke* invoke) { |
| 1369 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1370 | LocationSummary::kNoCall, |
| 1371 | kIntrinsified); |
| 1372 | locations->SetInAt(0, Location::RequiresRegister()); |
| 1373 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1374 | locations->SetOut(Location::RequiresRegister()); |
| 1375 | |
| 1376 | // Temporary registers to store lengths of strings and for calculations. |
| 1377 | locations->AddTemp(Location::RequiresRegister()); |
| 1378 | locations->AddTemp(Location::RequiresRegister()); |
| 1379 | locations->AddTemp(Location::RequiresRegister()); |
| 1380 | } |
| 1381 | |
| 1382 | void IntrinsicCodeGeneratorMIPS64::VisitStringEquals(HInvoke* invoke) { |
| 1383 | Mips64Assembler* assembler = GetAssembler(); |
| 1384 | LocationSummary* locations = invoke->GetLocations(); |
| 1385 | |
| 1386 | GpuRegister str = locations->InAt(0).AsRegister<GpuRegister>(); |
| 1387 | GpuRegister arg = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1388 | GpuRegister out = locations->Out().AsRegister<GpuRegister>(); |
| 1389 | |
| 1390 | GpuRegister temp1 = locations->GetTemp(0).AsRegister<GpuRegister>(); |
| 1391 | GpuRegister temp2 = locations->GetTemp(1).AsRegister<GpuRegister>(); |
| 1392 | GpuRegister temp3 = locations->GetTemp(2).AsRegister<GpuRegister>(); |
| 1393 | |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 1394 | Mips64Label loop; |
| 1395 | Mips64Label end; |
| 1396 | Mips64Label return_true; |
| 1397 | Mips64Label return_false; |
Chris Larsen | 972d6d7 | 2015-10-20 11:29:12 -0700 | [diff] [blame] | 1398 | |
| 1399 | // Get offsets of count, value, and class fields within a string object. |
| 1400 | const int32_t count_offset = mirror::String::CountOffset().Int32Value(); |
| 1401 | const int32_t value_offset = mirror::String::ValueOffset().Int32Value(); |
| 1402 | const int32_t class_offset = mirror::Object::ClassOffset().Int32Value(); |
| 1403 | |
| 1404 | // Note that the null check must have been done earlier. |
| 1405 | DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| 1406 | |
| 1407 | // If the register containing the pointer to "this", and the register |
| 1408 | // containing the pointer to "anObject" are the same register then |
| 1409 | // "this", and "anObject" are the same object and we can |
| 1410 | // short-circuit the logic to a true result. |
| 1411 | if (str == arg) { |
| 1412 | __ LoadConst64(out, 1); |
| 1413 | return; |
| 1414 | } |
| 1415 | |
| 1416 | // Check if input is null, return false if it is. |
| 1417 | __ Beqzc(arg, &return_false); |
| 1418 | |
| 1419 | // Reference equality check, return true if same reference. |
| 1420 | __ Beqc(str, arg, &return_true); |
| 1421 | |
| 1422 | // Instanceof check for the argument by comparing class fields. |
| 1423 | // All string objects must have the same type since String cannot be subclassed. |
| 1424 | // Receiver must be a string object, so its class field is equal to all strings' class fields. |
| 1425 | // If the argument is a string object, its class field must be equal to receiver's class field. |
| 1426 | __ Lw(temp1, str, class_offset); |
| 1427 | __ Lw(temp2, arg, class_offset); |
| 1428 | __ Bnec(temp1, temp2, &return_false); |
| 1429 | |
| 1430 | // Load lengths of this and argument strings. |
| 1431 | __ Lw(temp1, str, count_offset); |
| 1432 | __ Lw(temp2, arg, count_offset); |
| 1433 | // Check if lengths are equal, return false if they're not. |
| 1434 | __ Bnec(temp1, temp2, &return_false); |
| 1435 | // Return true if both strings are empty. |
| 1436 | __ Beqzc(temp1, &return_true); |
| 1437 | |
| 1438 | // Don't overwrite input registers |
| 1439 | __ Move(TMP, str); |
| 1440 | __ Move(temp3, arg); |
| 1441 | |
| 1442 | // Assertions that must hold in order to compare strings 4 characters at a time. |
| 1443 | DCHECK_ALIGNED(value_offset, 8); |
| 1444 | static_assert(IsAligned<8>(kObjectAlignment), "String of odd length is not zero padded"); |
| 1445 | |
| 1446 | // Loop to compare strings 4 characters at a time starting at the beginning of the string. |
| 1447 | // Ok to do this because strings are zero-padded to be 8-byte aligned. |
| 1448 | __ Bind(&loop); |
| 1449 | __ Ld(out, TMP, value_offset); |
| 1450 | __ Ld(temp2, temp3, value_offset); |
| 1451 | __ Bnec(out, temp2, &return_false); |
| 1452 | __ Daddiu(TMP, TMP, 8); |
| 1453 | __ Daddiu(temp3, temp3, 8); |
| 1454 | __ Addiu(temp1, temp1, -4); |
| 1455 | __ Bgtzc(temp1, &loop); |
| 1456 | |
| 1457 | // Return true and exit the function. |
| 1458 | // If loop does not result in returning false, we return true. |
| 1459 | __ Bind(&return_true); |
| 1460 | __ LoadConst64(out, 1); |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 1461 | __ Bc(&end); |
Chris Larsen | 972d6d7 | 2015-10-20 11:29:12 -0700 | [diff] [blame] | 1462 | |
| 1463 | // Return false and exit the function. |
| 1464 | __ Bind(&return_false); |
| 1465 | __ LoadConst64(out, 0); |
| 1466 | __ Bind(&end); |
| 1467 | } |
| 1468 | |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1469 | static void GenerateStringIndexOf(HInvoke* invoke, |
| 1470 | Mips64Assembler* assembler, |
| 1471 | CodeGeneratorMIPS64* codegen, |
| 1472 | ArenaAllocator* allocator, |
| 1473 | bool start_at_zero) { |
| 1474 | LocationSummary* locations = invoke->GetLocations(); |
| 1475 | GpuRegister tmp_reg = start_at_zero ? locations->GetTemp(0).AsRegister<GpuRegister>() : TMP; |
| 1476 | |
| 1477 | // Note that the null check must have been done earlier. |
| 1478 | DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0))); |
| 1479 | |
| 1480 | // Check for code points > 0xFFFF. Either a slow-path check when we |
| 1481 | // don't know statically, or directly dispatch if we have a constant. |
| 1482 | SlowPathCodeMIPS64* slow_path = nullptr; |
| 1483 | if (invoke->InputAt(1)->IsIntConstant()) { |
| 1484 | if (!IsUint<16>(invoke->InputAt(1)->AsIntConstant()->GetValue())) { |
| 1485 | // Always needs the slow-path. We could directly dispatch to it, |
| 1486 | // but this case should be rare, so for simplicity just put the |
| 1487 | // full slow-path down and branch unconditionally. |
| 1488 | slow_path = new (allocator) IntrinsicSlowPathMIPS64(invoke); |
| 1489 | codegen->AddSlowPath(slow_path); |
Alexey Frunze | a0e87b0 | 2015-09-24 22:57:20 -0700 | [diff] [blame] | 1490 | __ Bc(slow_path->GetEntryLabel()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1491 | __ Bind(slow_path->GetExitLabel()); |
| 1492 | return; |
| 1493 | } |
| 1494 | } else { |
| 1495 | GpuRegister char_reg = locations->InAt(1).AsRegister<GpuRegister>(); |
| 1496 | __ LoadConst32(tmp_reg, std::numeric_limits<uint16_t>::max()); |
| 1497 | slow_path = new (allocator) IntrinsicSlowPathMIPS64(invoke); |
| 1498 | codegen->AddSlowPath(slow_path); |
| 1499 | __ Bltuc(tmp_reg, char_reg, slow_path->GetEntryLabel()); // UTF-16 required |
| 1500 | } |
| 1501 | |
| 1502 | if (start_at_zero) { |
| 1503 | DCHECK_EQ(tmp_reg, A2); |
| 1504 | // Start-index = 0. |
| 1505 | __ Clear(tmp_reg); |
| 1506 | } else { |
| 1507 | __ Slt(TMP, A2, ZERO); // if fromIndex < 0 |
| 1508 | __ Seleqz(A2, A2, TMP); // fromIndex = 0 |
| 1509 | } |
| 1510 | |
| 1511 | __ LoadFromOffset(kLoadDoubleword, |
| 1512 | TMP, |
| 1513 | TR, |
Lazar Trsic | d967266 | 2015-09-03 17:33:01 +0200 | [diff] [blame] | 1514 | QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, pIndexOf).Int32Value()); |
Roland Levillain | 42ad288 | 2016-02-29 18:26:54 +0000 | [diff] [blame] | 1515 | CheckEntrypointTypes<kQuickIndexOf, int32_t, void*, uint32_t, uint32_t>(); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1516 | __ Jalr(TMP); |
| 1517 | __ Nop(); |
| 1518 | |
| 1519 | if (slow_path != nullptr) { |
| 1520 | __ Bind(slow_path->GetExitLabel()); |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | // int java.lang.String.indexOf(int ch) |
| 1525 | void IntrinsicLocationsBuilderMIPS64::VisitStringIndexOf(HInvoke* invoke) { |
| 1526 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1527 | LocationSummary::kCall, |
| 1528 | kIntrinsified); |
| 1529 | // We have a hand-crafted assembly stub that follows the runtime |
| 1530 | // calling convention. So it's best to align the inputs accordingly. |
| 1531 | InvokeRuntimeCallingConvention calling_convention; |
| 1532 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1533 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1534 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1535 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1536 | |
| 1537 | // Need a temp for slow-path codepoint compare, and need to send start-index=0. |
| 1538 | locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| 1539 | } |
| 1540 | |
| 1541 | void IntrinsicCodeGeneratorMIPS64::VisitStringIndexOf(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1542 | GenerateStringIndexOf(invoke, GetAssembler(), codegen_, GetAllocator(), /* start_at_zero */ true); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1543 | } |
| 1544 | |
| 1545 | // int java.lang.String.indexOf(int ch, int fromIndex) |
| 1546 | void IntrinsicLocationsBuilderMIPS64::VisitStringIndexOfAfter(HInvoke* invoke) { |
| 1547 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1548 | LocationSummary::kCall, |
| 1549 | kIntrinsified); |
| 1550 | // We have a hand-crafted assembly stub that follows the runtime |
| 1551 | // calling convention. So it's best to align the inputs accordingly. |
| 1552 | InvokeRuntimeCallingConvention calling_convention; |
| 1553 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1554 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1555 | locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| 1556 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1557 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1558 | } |
| 1559 | |
| 1560 | void IntrinsicCodeGeneratorMIPS64::VisitStringIndexOfAfter(HInvoke* invoke) { |
Roland Levillain | bf84a3d | 2015-12-04 14:33:02 +0000 | [diff] [blame] | 1561 | GenerateStringIndexOf( |
| 1562 | invoke, GetAssembler(), codegen_, GetAllocator(), /* start_at_zero */ false); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1563 | } |
| 1564 | |
Roland Levillain | cc3839c | 2016-02-29 16:23:48 +0000 | [diff] [blame] | 1565 | // java.lang.StringFactory.newStringFromBytes(byte[] data, int high, int offset, int byteCount) |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1566 | void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromBytes(HInvoke* invoke) { |
| 1567 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1568 | LocationSummary::kCall, |
| 1569 | kIntrinsified); |
| 1570 | InvokeRuntimeCallingConvention calling_convention; |
| 1571 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1572 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1573 | locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| 1574 | locations->SetInAt(3, Location::RegisterLocation(calling_convention.GetRegisterAt(3))); |
| 1575 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1576 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1577 | } |
| 1578 | |
| 1579 | void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromBytes(HInvoke* invoke) { |
| 1580 | Mips64Assembler* assembler = GetAssembler(); |
| 1581 | LocationSummary* locations = invoke->GetLocations(); |
| 1582 | |
| 1583 | GpuRegister byte_array = locations->InAt(0).AsRegister<GpuRegister>(); |
| 1584 | SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| 1585 | codegen_->AddSlowPath(slow_path); |
| 1586 | __ Beqzc(byte_array, slow_path->GetEntryLabel()); |
| 1587 | |
| 1588 | __ LoadFromOffset(kLoadDoubleword, |
| 1589 | TMP, |
| 1590 | TR, |
Lazar Trsic | d967266 | 2015-09-03 17:33:01 +0200 | [diff] [blame] | 1591 | QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| 1592 | pAllocStringFromBytes).Int32Value()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1593 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1594 | __ Jalr(TMP); |
| 1595 | __ Nop(); |
| 1596 | __ Bind(slow_path->GetExitLabel()); |
| 1597 | } |
| 1598 | |
Roland Levillain | cc3839c | 2016-02-29 16:23:48 +0000 | [diff] [blame] | 1599 | // java.lang.StringFactory.newStringFromChars(int offset, int charCount, char[] data) |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1600 | void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromChars(HInvoke* invoke) { |
| 1601 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1602 | LocationSummary::kCall, |
| 1603 | kIntrinsified); |
| 1604 | InvokeRuntimeCallingConvention calling_convention; |
| 1605 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1606 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1607 | locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| 1608 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1609 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1610 | } |
| 1611 | |
| 1612 | void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromChars(HInvoke* invoke) { |
| 1613 | Mips64Assembler* assembler = GetAssembler(); |
| 1614 | |
Roland Levillain | cc3839c | 2016-02-29 16:23:48 +0000 | [diff] [blame] | 1615 | // No need to emit code checking whether `locations->InAt(2)` is a null |
| 1616 | // pointer, as callers of the native method |
| 1617 | // |
| 1618 | // java.lang.StringFactory.newStringFromChars(int offset, int charCount, char[] data) |
| 1619 | // |
| 1620 | // all include a null check on `data` before calling that method. |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1621 | __ LoadFromOffset(kLoadDoubleword, |
| 1622 | TMP, |
| 1623 | TR, |
Lazar Trsic | d967266 | 2015-09-03 17:33:01 +0200 | [diff] [blame] | 1624 | QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| 1625 | pAllocStringFromChars).Int32Value()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1626 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1627 | __ Jalr(TMP); |
| 1628 | __ Nop(); |
| 1629 | } |
| 1630 | |
| 1631 | // java.lang.String.String(String original) |
| 1632 | void IntrinsicLocationsBuilderMIPS64::VisitStringNewStringFromString(HInvoke* invoke) { |
| 1633 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1634 | LocationSummary::kCall, |
| 1635 | kIntrinsified); |
| 1636 | InvokeRuntimeCallingConvention calling_convention; |
| 1637 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 1638 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 1639 | locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2))); |
| 1640 | Location outLocation = calling_convention.GetReturnLocation(Primitive::kPrimInt); |
| 1641 | locations->SetOut(Location::RegisterLocation(outLocation.AsRegister<GpuRegister>())); |
| 1642 | } |
| 1643 | |
| 1644 | void IntrinsicCodeGeneratorMIPS64::VisitStringNewStringFromString(HInvoke* invoke) { |
| 1645 | Mips64Assembler* assembler = GetAssembler(); |
| 1646 | LocationSummary* locations = invoke->GetLocations(); |
| 1647 | |
| 1648 | GpuRegister string_to_copy = locations->InAt(0).AsRegister<GpuRegister>(); |
| 1649 | SlowPathCodeMIPS64* slow_path = new (GetAllocator()) IntrinsicSlowPathMIPS64(invoke); |
| 1650 | codegen_->AddSlowPath(slow_path); |
| 1651 | __ Beqzc(string_to_copy, slow_path->GetEntryLabel()); |
| 1652 | |
| 1653 | __ LoadFromOffset(kLoadDoubleword, |
| 1654 | TMP, |
| 1655 | TR, |
Lazar Trsic | d967266 | 2015-09-03 17:33:01 +0200 | [diff] [blame] | 1656 | QUICK_ENTRYPOINT_OFFSET(kMips64DoublewordSize, |
| 1657 | pAllocStringFromString).Int32Value()); |
Chris Larsen | 9701c2e | 2015-09-04 17:22:47 -0700 | [diff] [blame] | 1658 | codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 1659 | __ Jalr(TMP); |
| 1660 | __ Nop(); |
| 1661 | __ Bind(slow_path->GetExitLabel()); |
| 1662 | } |
| 1663 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1664 | UNIMPLEMENTED_INTRINSIC(MIPS64, IntegerBitCount) |
| 1665 | UNIMPLEMENTED_INTRINSIC(MIPS64, LongBitCount) |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 1666 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1667 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathRoundDouble) |
| 1668 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathRoundFloat) |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 1669 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1670 | UNIMPLEMENTED_INTRINSIC(MIPS64, ReferenceGetReferent) |
| 1671 | UNIMPLEMENTED_INTRINSIC(MIPS64, StringGetCharsNoCheck) |
| 1672 | UNIMPLEMENTED_INTRINSIC(MIPS64, SystemArrayCopyChar) |
| 1673 | UNIMPLEMENTED_INTRINSIC(MIPS64, SystemArrayCopy) |
Aart Bik | 3f67e69 | 2016-01-15 14:35:12 -0800 | [diff] [blame] | 1674 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1675 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathCos) |
| 1676 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathSin) |
| 1677 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathAcos) |
| 1678 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathAsin) |
| 1679 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathAtan) |
| 1680 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathAtan2) |
| 1681 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathCbrt) |
| 1682 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathCosh) |
| 1683 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathExp) |
| 1684 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathExpm1) |
| 1685 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathHypot) |
| 1686 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathLog) |
| 1687 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathLog10) |
| 1688 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathNextAfter) |
| 1689 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathSinh) |
| 1690 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathTan) |
| 1691 | UNIMPLEMENTED_INTRINSIC(MIPS64, MathTanh) |
Chris Larsen | 0b7ac98 | 2015-09-04 12:54:28 -0700 | [diff] [blame] | 1692 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1693 | UNIMPLEMENTED_INTRINSIC(MIPS64, FloatIsInfinite) |
| 1694 | UNIMPLEMENTED_INTRINSIC(MIPS64, DoubleIsInfinite) |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 1695 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1696 | UNIMPLEMENTED_INTRINSIC(MIPS64, IntegerHighestOneBit) |
| 1697 | UNIMPLEMENTED_INTRINSIC(MIPS64, LongHighestOneBit) |
| 1698 | UNIMPLEMENTED_INTRINSIC(MIPS64, IntegerLowestOneBit) |
| 1699 | UNIMPLEMENTED_INTRINSIC(MIPS64, LongLowestOneBit) |
Mark Mendell | a4f1220 | 2015-08-06 15:23:34 -0400 | [diff] [blame] | 1700 | |
Aart Bik | 2f9fcc9 | 2016-03-01 15:16:54 -0800 | [diff] [blame^] | 1701 | UNREACHABLE_INTRINSICS(MIPS64) |
Chris Larsen | 3039e38 | 2015-08-26 07:54:08 -0700 | [diff] [blame] | 1702 | |
| 1703 | #undef __ |
| 1704 | |
| 1705 | } // namespace mips64 |
| 1706 | } // namespace art |