Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [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_x86_64.h" |
| 18 | |
Mark Mendell | fb8d279 | 2015-03-31 22:16:59 -0400 | [diff] [blame] | 19 | #include "arch/x86_64/instruction_set_features_x86_64.h" |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 20 | #include "code_generator_x86_64.h" |
| 21 | #include "entrypoints/quick/quick_entrypoints.h" |
| 22 | #include "intrinsics.h" |
| 23 | #include "mirror/array-inl.h" |
| 24 | #include "mirror/art_method.h" |
| 25 | #include "mirror/string.h" |
| 26 | #include "thread.h" |
| 27 | #include "utils/x86_64/assembler_x86_64.h" |
| 28 | #include "utils/x86_64/constants_x86_64.h" |
| 29 | |
| 30 | namespace art { |
| 31 | |
| 32 | namespace x86_64 { |
| 33 | |
Mark Mendell | fb8d279 | 2015-03-31 22:16:59 -0400 | [diff] [blame] | 34 | IntrinsicLocationsBuilderX86_64::IntrinsicLocationsBuilderX86_64(CodeGeneratorX86_64* codegen) |
| 35 | : arena_(codegen->GetGraph()->GetArena()), codegen_(codegen) { |
| 36 | } |
| 37 | |
| 38 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 39 | X86_64Assembler* IntrinsicCodeGeneratorX86_64::GetAssembler() { |
| 40 | return reinterpret_cast<X86_64Assembler*>(codegen_->GetAssembler()); |
| 41 | } |
| 42 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 43 | ArenaAllocator* IntrinsicCodeGeneratorX86_64::GetAllocator() { |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 44 | return codegen_->GetGraph()->GetArena(); |
| 45 | } |
| 46 | |
| 47 | bool IntrinsicLocationsBuilderX86_64::TryDispatch(HInvoke* invoke) { |
| 48 | Dispatch(invoke); |
| 49 | const LocationSummary* res = invoke->GetLocations(); |
| 50 | return res != nullptr && res->Intrinsified(); |
| 51 | } |
| 52 | |
| 53 | #define __ reinterpret_cast<X86_64Assembler*>(codegen->GetAssembler())-> |
| 54 | |
| 55 | // TODO: trg as memory. |
| 56 | static void MoveFromReturnRegister(Location trg, |
| 57 | Primitive::Type type, |
| 58 | CodeGeneratorX86_64* codegen) { |
| 59 | if (!trg.IsValid()) { |
| 60 | DCHECK(type == Primitive::kPrimVoid); |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | switch (type) { |
| 65 | case Primitive::kPrimBoolean: |
| 66 | case Primitive::kPrimByte: |
| 67 | case Primitive::kPrimChar: |
| 68 | case Primitive::kPrimShort: |
| 69 | case Primitive::kPrimInt: |
| 70 | case Primitive::kPrimNot: { |
| 71 | CpuRegister trg_reg = trg.AsRegister<CpuRegister>(); |
| 72 | if (trg_reg.AsRegister() != RAX) { |
| 73 | __ movl(trg_reg, CpuRegister(RAX)); |
| 74 | } |
| 75 | break; |
| 76 | } |
| 77 | case Primitive::kPrimLong: { |
| 78 | CpuRegister trg_reg = trg.AsRegister<CpuRegister>(); |
| 79 | if (trg_reg.AsRegister() != RAX) { |
| 80 | __ movq(trg_reg, CpuRegister(RAX)); |
| 81 | } |
| 82 | break; |
| 83 | } |
| 84 | |
| 85 | case Primitive::kPrimVoid: |
| 86 | LOG(FATAL) << "Unexpected void type for valid location " << trg; |
| 87 | UNREACHABLE(); |
| 88 | |
| 89 | case Primitive::kPrimDouble: { |
| 90 | XmmRegister trg_reg = trg.AsFpuRegister<XmmRegister>(); |
| 91 | if (trg_reg.AsFloatRegister() != XMM0) { |
| 92 | __ movsd(trg_reg, XmmRegister(XMM0)); |
| 93 | } |
| 94 | break; |
| 95 | } |
| 96 | case Primitive::kPrimFloat: { |
| 97 | XmmRegister trg_reg = trg.AsFpuRegister<XmmRegister>(); |
| 98 | if (trg_reg.AsFloatRegister() != XMM0) { |
| 99 | __ movss(trg_reg, XmmRegister(XMM0)); |
| 100 | } |
| 101 | break; |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | static void MoveArguments(HInvoke* invoke, ArenaAllocator* arena, CodeGeneratorX86_64* codegen) { |
| 107 | if (invoke->InputCount() == 0) { |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | LocationSummary* locations = invoke->GetLocations(); |
| 112 | InvokeDexCallingConventionVisitor calling_convention_visitor; |
| 113 | |
| 114 | // We're moving potentially two or more locations to locations that could overlap, so we need |
| 115 | // a parallel move resolver. |
| 116 | HParallelMove parallel_move(arena); |
| 117 | |
| 118 | for (size_t i = 0; i < invoke->InputCount(); i++) { |
| 119 | HInstruction* input = invoke->InputAt(i); |
| 120 | Location cc_loc = calling_convention_visitor.GetNextLocation(input->GetType()); |
| 121 | Location actual_loc = locations->InAt(i); |
| 122 | |
Nicolas Geoffray | 42d1f5f | 2015-01-16 09:14:18 +0000 | [diff] [blame] | 123 | parallel_move.AddMove(actual_loc, cc_loc, nullptr); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | codegen->GetMoveResolver()->EmitNativeCode(¶llel_move); |
| 127 | } |
| 128 | |
| 129 | // Slow-path for fallback (calling the managed code to handle the intrinsic) in an intrinsified |
| 130 | // call. This will copy the arguments into the positions for a regular call. |
| 131 | // |
| 132 | // Note: The actual parameters are required to be in the locations given by the invoke's location |
| 133 | // summary. If an intrinsic modifies those locations before a slowpath call, they must be |
| 134 | // restored! |
| 135 | class IntrinsicSlowPathX86_64 : public SlowPathCodeX86_64 { |
| 136 | public: |
| 137 | explicit IntrinsicSlowPathX86_64(HInvoke* invoke) : invoke_(invoke) { } |
| 138 | |
| 139 | void EmitNativeCode(CodeGenerator* codegen_in) OVERRIDE { |
| 140 | CodeGeneratorX86_64* codegen = down_cast<CodeGeneratorX86_64*>(codegen_in); |
| 141 | __ Bind(GetEntryLabel()); |
| 142 | |
Nicolas Geoffray | a8ac913 | 2015-03-13 16:36:36 +0000 | [diff] [blame] | 143 | SaveLiveRegisters(codegen, invoke_->GetLocations()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 144 | |
| 145 | MoveArguments(invoke_, codegen->GetGraph()->GetArena(), codegen); |
| 146 | |
| 147 | if (invoke_->IsInvokeStaticOrDirect()) { |
| 148 | codegen->GenerateStaticOrDirectCall(invoke_->AsInvokeStaticOrDirect(), CpuRegister(RDI)); |
Nicolas Geoffray | a8ac913 | 2015-03-13 16:36:36 +0000 | [diff] [blame] | 149 | RecordPcInfo(codegen, invoke_, invoke_->GetDexPc()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 150 | } else { |
| 151 | UNIMPLEMENTED(FATAL) << "Non-direct intrinsic slow-path not yet implemented"; |
| 152 | UNREACHABLE(); |
| 153 | } |
| 154 | |
| 155 | // Copy the result back to the expected output. |
| 156 | Location out = invoke_->GetLocations()->Out(); |
| 157 | if (out.IsValid()) { |
| 158 | DCHECK(out.IsRegister()); // TODO: Replace this when we support output in memory. |
| 159 | DCHECK(!invoke_->GetLocations()->GetLiveRegisters()->ContainsCoreRegister(out.reg())); |
| 160 | MoveFromReturnRegister(out, invoke_->GetType(), codegen); |
| 161 | } |
| 162 | |
Nicolas Geoffray | a8ac913 | 2015-03-13 16:36:36 +0000 | [diff] [blame] | 163 | RestoreLiveRegisters(codegen, invoke_->GetLocations()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 164 | __ jmp(GetExitLabel()); |
| 165 | } |
| 166 | |
| 167 | private: |
| 168 | // The instruction where this slow path is happening. |
| 169 | HInvoke* const invoke_; |
| 170 | |
| 171 | DISALLOW_COPY_AND_ASSIGN(IntrinsicSlowPathX86_64); |
| 172 | }; |
| 173 | |
| 174 | #undef __ |
| 175 | #define __ assembler-> |
| 176 | |
| 177 | static void CreateFPToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 178 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 179 | LocationSummary::kNoCall, |
| 180 | kIntrinsified); |
| 181 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 182 | locations->SetOut(Location::RequiresRegister()); |
| 183 | } |
| 184 | |
| 185 | static void CreateIntToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 186 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 187 | LocationSummary::kNoCall, |
| 188 | kIntrinsified); |
| 189 | locations->SetInAt(0, Location::RequiresRegister()); |
| 190 | locations->SetOut(Location::RequiresFpuRegister()); |
| 191 | } |
| 192 | |
| 193 | static void MoveFPToInt(LocationSummary* locations, bool is64bit, X86_64Assembler* assembler) { |
| 194 | Location input = locations->InAt(0); |
| 195 | Location output = locations->Out(); |
| 196 | __ movd(output.AsRegister<CpuRegister>(), input.AsFpuRegister<XmmRegister>(), is64bit); |
| 197 | } |
| 198 | |
| 199 | static void MoveIntToFP(LocationSummary* locations, bool is64bit, X86_64Assembler* assembler) { |
| 200 | Location input = locations->InAt(0); |
| 201 | Location output = locations->Out(); |
| 202 | __ movd(output.AsFpuRegister<XmmRegister>(), input.AsRegister<CpuRegister>(), is64bit); |
| 203 | } |
| 204 | |
| 205 | void IntrinsicLocationsBuilderX86_64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
| 206 | CreateFPToIntLocations(arena_, invoke); |
| 207 | } |
| 208 | void IntrinsicLocationsBuilderX86_64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
| 209 | CreateIntToFPLocations(arena_, invoke); |
| 210 | } |
| 211 | |
| 212 | void IntrinsicCodeGeneratorX86_64::VisitDoubleDoubleToRawLongBits(HInvoke* invoke) { |
| 213 | MoveFPToInt(invoke->GetLocations(), true, GetAssembler()); |
| 214 | } |
| 215 | void IntrinsicCodeGeneratorX86_64::VisitDoubleLongBitsToDouble(HInvoke* invoke) { |
| 216 | MoveIntToFP(invoke->GetLocations(), true, GetAssembler()); |
| 217 | } |
| 218 | |
| 219 | void IntrinsicLocationsBuilderX86_64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
| 220 | CreateFPToIntLocations(arena_, invoke); |
| 221 | } |
| 222 | void IntrinsicLocationsBuilderX86_64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
| 223 | CreateIntToFPLocations(arena_, invoke); |
| 224 | } |
| 225 | |
| 226 | void IntrinsicCodeGeneratorX86_64::VisitFloatFloatToRawIntBits(HInvoke* invoke) { |
| 227 | MoveFPToInt(invoke->GetLocations(), false, GetAssembler()); |
| 228 | } |
| 229 | void IntrinsicCodeGeneratorX86_64::VisitFloatIntBitsToFloat(HInvoke* invoke) { |
| 230 | MoveIntToFP(invoke->GetLocations(), false, GetAssembler()); |
| 231 | } |
| 232 | |
| 233 | static void CreateIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 234 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 235 | LocationSummary::kNoCall, |
| 236 | kIntrinsified); |
| 237 | locations->SetInAt(0, Location::RequiresRegister()); |
| 238 | locations->SetOut(Location::SameAsFirstInput()); |
| 239 | } |
| 240 | |
| 241 | static void GenReverseBytes(LocationSummary* locations, |
| 242 | Primitive::Type size, |
| 243 | X86_64Assembler* assembler) { |
| 244 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); |
| 245 | |
| 246 | switch (size) { |
| 247 | case Primitive::kPrimShort: |
| 248 | // TODO: Can be done with an xchg of 8b registers. This is straight from Quick. |
| 249 | __ bswapl(out); |
| 250 | __ sarl(out, Immediate(16)); |
| 251 | break; |
| 252 | case Primitive::kPrimInt: |
| 253 | __ bswapl(out); |
| 254 | break; |
| 255 | case Primitive::kPrimLong: |
| 256 | __ bswapq(out); |
| 257 | break; |
| 258 | default: |
| 259 | LOG(FATAL) << "Unexpected size for reverse-bytes: " << size; |
| 260 | UNREACHABLE(); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | void IntrinsicLocationsBuilderX86_64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| 265 | CreateIntToIntLocations(arena_, invoke); |
| 266 | } |
| 267 | |
| 268 | void IntrinsicCodeGeneratorX86_64::VisitIntegerReverseBytes(HInvoke* invoke) { |
| 269 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| 270 | } |
| 271 | |
| 272 | void IntrinsicLocationsBuilderX86_64::VisitLongReverseBytes(HInvoke* invoke) { |
| 273 | CreateIntToIntLocations(arena_, invoke); |
| 274 | } |
| 275 | |
| 276 | void IntrinsicCodeGeneratorX86_64::VisitLongReverseBytes(HInvoke* invoke) { |
| 277 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| 278 | } |
| 279 | |
| 280 | void IntrinsicLocationsBuilderX86_64::VisitShortReverseBytes(HInvoke* invoke) { |
| 281 | CreateIntToIntLocations(arena_, invoke); |
| 282 | } |
| 283 | |
| 284 | void IntrinsicCodeGeneratorX86_64::VisitShortReverseBytes(HInvoke* invoke) { |
| 285 | GenReverseBytes(invoke->GetLocations(), Primitive::kPrimShort, GetAssembler()); |
| 286 | } |
| 287 | |
| 288 | |
| 289 | // TODO: Consider Quick's way of doing Double abs through integer operations, as the immediate we |
| 290 | // need is 64b. |
| 291 | |
| 292 | static void CreateFloatToFloatPlusTemps(ArenaAllocator* arena, HInvoke* invoke) { |
| 293 | // TODO: Enable memory operations when the assembler supports them. |
| 294 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 295 | LocationSummary::kNoCall, |
| 296 | kIntrinsified); |
| 297 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 298 | // TODO: Allow x86 to work with memory. This requires assembler support, see below. |
| 299 | // locations->SetInAt(0, Location::Any()); // X86 can work on memory directly. |
| 300 | locations->SetOut(Location::SameAsFirstInput()); |
| 301 | locations->AddTemp(Location::RequiresRegister()); // Immediate constant. |
| 302 | locations->AddTemp(Location::RequiresFpuRegister()); // FP version of above. |
| 303 | } |
| 304 | |
| 305 | static void MathAbsFP(LocationSummary* locations, bool is64bit, X86_64Assembler* assembler) { |
| 306 | Location output = locations->Out(); |
| 307 | CpuRegister cpu_temp = locations->GetTemp(0).AsRegister<CpuRegister>(); |
| 308 | |
| 309 | if (output.IsFpuRegister()) { |
| 310 | // In-register |
| 311 | XmmRegister xmm_temp = locations->GetTemp(1).AsFpuRegister<XmmRegister>(); |
| 312 | |
| 313 | if (is64bit) { |
| 314 | __ movq(cpu_temp, Immediate(INT64_C(0x7FFFFFFFFFFFFFFF))); |
| 315 | __ movd(xmm_temp, cpu_temp); |
| 316 | __ andpd(output.AsFpuRegister<XmmRegister>(), xmm_temp); |
| 317 | } else { |
| 318 | __ movl(cpu_temp, Immediate(INT64_C(0x7FFFFFFF))); |
| 319 | __ movd(xmm_temp, cpu_temp); |
| 320 | __ andps(output.AsFpuRegister<XmmRegister>(), xmm_temp); |
| 321 | } |
| 322 | } else { |
| 323 | // TODO: update when assember support is available. |
| 324 | UNIMPLEMENTED(FATAL) << "Needs assembler support."; |
| 325 | // Once assembler support is available, in-memory operations look like this: |
| 326 | // if (is64bit) { |
| 327 | // DCHECK(output.IsDoubleStackSlot()); |
| 328 | // // No 64b and with literal. |
| 329 | // __ movq(cpu_temp, Immediate(INT64_C(0x7FFFFFFFFFFFFFFF))); |
| 330 | // __ andq(Address(CpuRegister(RSP), output.GetStackIndex()), cpu_temp); |
| 331 | // } else { |
| 332 | // DCHECK(output.IsStackSlot()); |
| 333 | // // Can use and with a literal directly. |
| 334 | // __ andl(Address(CpuRegister(RSP), output.GetStackIndex()), Immediate(INT64_C(0x7FFFFFFF))); |
| 335 | // } |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | void IntrinsicLocationsBuilderX86_64::VisitMathAbsDouble(HInvoke* invoke) { |
| 340 | CreateFloatToFloatPlusTemps(arena_, invoke); |
| 341 | } |
| 342 | |
| 343 | void IntrinsicCodeGeneratorX86_64::VisitMathAbsDouble(HInvoke* invoke) { |
| 344 | MathAbsFP(invoke->GetLocations(), true, GetAssembler()); |
| 345 | } |
| 346 | |
| 347 | void IntrinsicLocationsBuilderX86_64::VisitMathAbsFloat(HInvoke* invoke) { |
| 348 | CreateFloatToFloatPlusTemps(arena_, invoke); |
| 349 | } |
| 350 | |
| 351 | void IntrinsicCodeGeneratorX86_64::VisitMathAbsFloat(HInvoke* invoke) { |
| 352 | MathAbsFP(invoke->GetLocations(), false, GetAssembler()); |
| 353 | } |
| 354 | |
| 355 | static void CreateIntToIntPlusTemp(ArenaAllocator* arena, HInvoke* invoke) { |
| 356 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 357 | LocationSummary::kNoCall, |
| 358 | kIntrinsified); |
| 359 | locations->SetInAt(0, Location::RequiresRegister()); |
| 360 | locations->SetOut(Location::SameAsFirstInput()); |
| 361 | locations->AddTemp(Location::RequiresRegister()); |
| 362 | } |
| 363 | |
| 364 | static void GenAbsInteger(LocationSummary* locations, bool is64bit, X86_64Assembler* assembler) { |
| 365 | Location output = locations->Out(); |
| 366 | CpuRegister out = output.AsRegister<CpuRegister>(); |
| 367 | CpuRegister mask = locations->GetTemp(0).AsRegister<CpuRegister>(); |
| 368 | |
| 369 | if (is64bit) { |
| 370 | // Create mask. |
| 371 | __ movq(mask, out); |
| 372 | __ sarq(mask, Immediate(63)); |
| 373 | // Add mask. |
| 374 | __ addq(out, mask); |
| 375 | __ xorq(out, mask); |
| 376 | } else { |
| 377 | // Create mask. |
| 378 | __ movl(mask, out); |
| 379 | __ sarl(mask, Immediate(31)); |
| 380 | // Add mask. |
| 381 | __ addl(out, mask); |
| 382 | __ xorl(out, mask); |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | void IntrinsicLocationsBuilderX86_64::VisitMathAbsInt(HInvoke* invoke) { |
| 387 | CreateIntToIntPlusTemp(arena_, invoke); |
| 388 | } |
| 389 | |
| 390 | void IntrinsicCodeGeneratorX86_64::VisitMathAbsInt(HInvoke* invoke) { |
| 391 | GenAbsInteger(invoke->GetLocations(), false, GetAssembler()); |
| 392 | } |
| 393 | |
| 394 | void IntrinsicLocationsBuilderX86_64::VisitMathAbsLong(HInvoke* invoke) { |
| 395 | CreateIntToIntPlusTemp(arena_, invoke); |
| 396 | } |
| 397 | |
| 398 | void IntrinsicCodeGeneratorX86_64::VisitMathAbsLong(HInvoke* invoke) { |
| 399 | GenAbsInteger(invoke->GetLocations(), true, GetAssembler()); |
| 400 | } |
| 401 | |
| 402 | static void GenMinMaxFP(LocationSummary* locations, bool is_min, bool is_double, |
| 403 | X86_64Assembler* assembler) { |
| 404 | Location op1_loc = locations->InAt(0); |
| 405 | Location op2_loc = locations->InAt(1); |
| 406 | Location out_loc = locations->Out(); |
| 407 | XmmRegister out = out_loc.AsFpuRegister<XmmRegister>(); |
| 408 | |
| 409 | // Shortcut for same input locations. |
| 410 | if (op1_loc.Equals(op2_loc)) { |
| 411 | DCHECK(out_loc.Equals(op1_loc)); |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | // (out := op1) |
| 416 | // out <=? op2 |
| 417 | // if Nan jmp Nan_label |
| 418 | // if out is min jmp done |
| 419 | // if op2 is min jmp op2_label |
| 420 | // handle -0/+0 |
| 421 | // jmp done |
| 422 | // Nan_label: |
| 423 | // out := NaN |
| 424 | // op2_label: |
| 425 | // out := op2 |
| 426 | // done: |
| 427 | // |
| 428 | // This removes one jmp, but needs to copy one input (op1) to out. |
| 429 | // |
| 430 | // TODO: This is straight from Quick (except literal pool). Make NaN an out-of-line slowpath? |
| 431 | |
| 432 | XmmRegister op2 = op2_loc.AsFpuRegister<XmmRegister>(); |
| 433 | |
| 434 | Label nan, done, op2_label; |
| 435 | if (is_double) { |
| 436 | __ ucomisd(out, op2); |
| 437 | } else { |
| 438 | __ ucomiss(out, op2); |
| 439 | } |
| 440 | |
| 441 | __ j(Condition::kParityEven, &nan); |
| 442 | |
| 443 | __ j(is_min ? Condition::kAbove : Condition::kBelow, &op2_label); |
| 444 | __ j(is_min ? Condition::kBelow : Condition::kAbove, &done); |
| 445 | |
| 446 | // Handle 0.0/-0.0. |
| 447 | if (is_min) { |
| 448 | if (is_double) { |
| 449 | __ orpd(out, op2); |
| 450 | } else { |
| 451 | __ orps(out, op2); |
| 452 | } |
| 453 | } else { |
| 454 | if (is_double) { |
| 455 | __ andpd(out, op2); |
| 456 | } else { |
| 457 | __ andps(out, op2); |
| 458 | } |
| 459 | } |
| 460 | __ jmp(&done); |
| 461 | |
| 462 | // NaN handling. |
| 463 | __ Bind(&nan); |
| 464 | CpuRegister cpu_temp = locations->GetTemp(0).AsRegister<CpuRegister>(); |
| 465 | // TODO: Literal pool. Trades 64b immediate in CPU reg for direct memory access. |
| 466 | if (is_double) { |
| 467 | __ movq(cpu_temp, Immediate(INT64_C(0x7FF8000000000000))); |
| 468 | } else { |
| 469 | __ movl(cpu_temp, Immediate(INT64_C(0x7FC00000))); |
| 470 | } |
| 471 | __ movd(out, cpu_temp, is_double); |
| 472 | __ jmp(&done); |
| 473 | |
| 474 | // out := op2; |
| 475 | __ Bind(&op2_label); |
| 476 | if (is_double) { |
| 477 | __ movsd(out, op2); |
| 478 | } else { |
| 479 | __ movss(out, op2); |
| 480 | } |
| 481 | |
| 482 | // Done. |
| 483 | __ Bind(&done); |
| 484 | } |
| 485 | |
| 486 | static void CreateFPFPToFPPlusTempLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 487 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 488 | LocationSummary::kNoCall, |
| 489 | kIntrinsified); |
| 490 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 491 | locations->SetInAt(1, Location::RequiresFpuRegister()); |
| 492 | // The following is sub-optimal, but all we can do for now. It would be fine to also accept |
| 493 | // the second input to be the output (we can simply swap inputs). |
| 494 | locations->SetOut(Location::SameAsFirstInput()); |
| 495 | locations->AddTemp(Location::RequiresRegister()); // Immediate constant. |
| 496 | } |
| 497 | |
| 498 | void IntrinsicLocationsBuilderX86_64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
| 499 | CreateFPFPToFPPlusTempLocations(arena_, invoke); |
| 500 | } |
| 501 | |
| 502 | void IntrinsicCodeGeneratorX86_64::VisitMathMinDoubleDouble(HInvoke* invoke) { |
| 503 | GenMinMaxFP(invoke->GetLocations(), true, true, GetAssembler()); |
| 504 | } |
| 505 | |
| 506 | void IntrinsicLocationsBuilderX86_64::VisitMathMinFloatFloat(HInvoke* invoke) { |
| 507 | CreateFPFPToFPPlusTempLocations(arena_, invoke); |
| 508 | } |
| 509 | |
| 510 | void IntrinsicCodeGeneratorX86_64::VisitMathMinFloatFloat(HInvoke* invoke) { |
| 511 | GenMinMaxFP(invoke->GetLocations(), true, false, GetAssembler()); |
| 512 | } |
| 513 | |
| 514 | void IntrinsicLocationsBuilderX86_64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
| 515 | CreateFPFPToFPPlusTempLocations(arena_, invoke); |
| 516 | } |
| 517 | |
| 518 | void IntrinsicCodeGeneratorX86_64::VisitMathMaxDoubleDouble(HInvoke* invoke) { |
| 519 | GenMinMaxFP(invoke->GetLocations(), false, true, GetAssembler()); |
| 520 | } |
| 521 | |
| 522 | void IntrinsicLocationsBuilderX86_64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
| 523 | CreateFPFPToFPPlusTempLocations(arena_, invoke); |
| 524 | } |
| 525 | |
| 526 | void IntrinsicCodeGeneratorX86_64::VisitMathMaxFloatFloat(HInvoke* invoke) { |
| 527 | GenMinMaxFP(invoke->GetLocations(), false, false, GetAssembler()); |
| 528 | } |
| 529 | |
| 530 | static void GenMinMax(LocationSummary* locations, bool is_min, bool is_long, |
| 531 | X86_64Assembler* assembler) { |
| 532 | Location op1_loc = locations->InAt(0); |
| 533 | Location op2_loc = locations->InAt(1); |
| 534 | |
| 535 | // Shortcut for same input locations. |
| 536 | if (op1_loc.Equals(op2_loc)) { |
| 537 | // Can return immediately, as op1_loc == out_loc. |
| 538 | // Note: if we ever support separate registers, e.g., output into memory, we need to check for |
| 539 | // a copy here. |
| 540 | DCHECK(locations->Out().Equals(op1_loc)); |
| 541 | return; |
| 542 | } |
| 543 | |
| 544 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); |
| 545 | CpuRegister op2 = op2_loc.AsRegister<CpuRegister>(); |
| 546 | |
| 547 | // (out := op1) |
| 548 | // out <=? op2 |
| 549 | // if out is min jmp done |
| 550 | // out := op2 |
| 551 | // done: |
| 552 | |
| 553 | if (is_long) { |
| 554 | __ cmpq(out, op2); |
| 555 | } else { |
| 556 | __ cmpl(out, op2); |
| 557 | } |
| 558 | |
| 559 | __ cmov(is_min ? Condition::kGreater : Condition::kLess, out, op2, is_long); |
| 560 | } |
| 561 | |
| 562 | static void CreateIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 563 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 564 | LocationSummary::kNoCall, |
| 565 | kIntrinsified); |
| 566 | locations->SetInAt(0, Location::RequiresRegister()); |
| 567 | locations->SetInAt(1, Location::RequiresRegister()); |
| 568 | locations->SetOut(Location::SameAsFirstInput()); |
| 569 | } |
| 570 | |
| 571 | void IntrinsicLocationsBuilderX86_64::VisitMathMinIntInt(HInvoke* invoke) { |
| 572 | CreateIntIntToIntLocations(arena_, invoke); |
| 573 | } |
| 574 | |
| 575 | void IntrinsicCodeGeneratorX86_64::VisitMathMinIntInt(HInvoke* invoke) { |
| 576 | GenMinMax(invoke->GetLocations(), true, false, GetAssembler()); |
| 577 | } |
| 578 | |
| 579 | void IntrinsicLocationsBuilderX86_64::VisitMathMinLongLong(HInvoke* invoke) { |
| 580 | CreateIntIntToIntLocations(arena_, invoke); |
| 581 | } |
| 582 | |
| 583 | void IntrinsicCodeGeneratorX86_64::VisitMathMinLongLong(HInvoke* invoke) { |
| 584 | GenMinMax(invoke->GetLocations(), true, true, GetAssembler()); |
| 585 | } |
| 586 | |
| 587 | void IntrinsicLocationsBuilderX86_64::VisitMathMaxIntInt(HInvoke* invoke) { |
| 588 | CreateIntIntToIntLocations(arena_, invoke); |
| 589 | } |
| 590 | |
| 591 | void IntrinsicCodeGeneratorX86_64::VisitMathMaxIntInt(HInvoke* invoke) { |
| 592 | GenMinMax(invoke->GetLocations(), false, false, GetAssembler()); |
| 593 | } |
| 594 | |
| 595 | void IntrinsicLocationsBuilderX86_64::VisitMathMaxLongLong(HInvoke* invoke) { |
| 596 | CreateIntIntToIntLocations(arena_, invoke); |
| 597 | } |
| 598 | |
| 599 | void IntrinsicCodeGeneratorX86_64::VisitMathMaxLongLong(HInvoke* invoke) { |
| 600 | GenMinMax(invoke->GetLocations(), false, true, GetAssembler()); |
| 601 | } |
| 602 | |
| 603 | static void CreateFPToFPLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 604 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 605 | LocationSummary::kNoCall, |
| 606 | kIntrinsified); |
| 607 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 608 | locations->SetOut(Location::RequiresFpuRegister()); |
| 609 | } |
| 610 | |
| 611 | void IntrinsicLocationsBuilderX86_64::VisitMathSqrt(HInvoke* invoke) { |
| 612 | CreateFPToFPLocations(arena_, invoke); |
| 613 | } |
| 614 | |
| 615 | void IntrinsicCodeGeneratorX86_64::VisitMathSqrt(HInvoke* invoke) { |
| 616 | LocationSummary* locations = invoke->GetLocations(); |
| 617 | XmmRegister in = locations->InAt(0).AsFpuRegister<XmmRegister>(); |
| 618 | XmmRegister out = locations->Out().AsFpuRegister<XmmRegister>(); |
| 619 | |
| 620 | GetAssembler()->sqrtsd(out, in); |
| 621 | } |
| 622 | |
Mark Mendell | fb8d279 | 2015-03-31 22:16:59 -0400 | [diff] [blame] | 623 | static void InvokeOutOfLineIntrinsic(CodeGeneratorX86_64* codegen, HInvoke* invoke) { |
| 624 | MoveArguments(invoke, codegen->GetGraph()->GetArena(), codegen); |
| 625 | |
| 626 | DCHECK(invoke->IsInvokeStaticOrDirect()); |
| 627 | codegen->GenerateStaticOrDirectCall(invoke->AsInvokeStaticOrDirect(), CpuRegister(RDI)); |
| 628 | codegen->RecordPcInfo(invoke, invoke->GetDexPc()); |
| 629 | |
| 630 | // Copy the result back to the expected output. |
| 631 | Location out = invoke->GetLocations()->Out(); |
| 632 | if (out.IsValid()) { |
| 633 | DCHECK(out.IsRegister()); |
| 634 | MoveFromReturnRegister(out, invoke->GetType(), codegen); |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | static void CreateSSE41FPToFPLocations(ArenaAllocator* arena, |
| 639 | HInvoke* invoke, |
| 640 | CodeGeneratorX86_64* codegen) { |
| 641 | // Do we have instruction support? |
| 642 | if (codegen->GetInstructionSetFeatures().HasSSE4_1()) { |
| 643 | CreateFPToFPLocations(arena, invoke); |
| 644 | return; |
| 645 | } |
| 646 | |
| 647 | // We have to fall back to a call to the intrinsic. |
| 648 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 649 | LocationSummary::kCall); |
| 650 | InvokeRuntimeCallingConvention calling_convention; |
| 651 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetFpuRegisterAt(0))); |
| 652 | locations->SetOut(Location::FpuRegisterLocation(XMM0)); |
| 653 | // Needs to be RDI for the invoke. |
| 654 | locations->AddTemp(Location::RegisterLocation(RDI)); |
| 655 | } |
| 656 | |
| 657 | static void GenSSE41FPToFPIntrinsic(CodeGeneratorX86_64* codegen, |
| 658 | HInvoke* invoke, |
| 659 | X86_64Assembler* assembler, |
| 660 | int round_mode) { |
| 661 | LocationSummary* locations = invoke->GetLocations(); |
| 662 | if (locations->WillCall()) { |
| 663 | InvokeOutOfLineIntrinsic(codegen, invoke); |
| 664 | } else { |
| 665 | XmmRegister in = locations->InAt(0).AsFpuRegister<XmmRegister>(); |
| 666 | XmmRegister out = locations->Out().AsFpuRegister<XmmRegister>(); |
| 667 | __ roundsd(out, in, Immediate(round_mode)); |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | void IntrinsicLocationsBuilderX86_64::VisitMathCeil(HInvoke* invoke) { |
| 672 | CreateSSE41FPToFPLocations(arena_, invoke, codegen_); |
| 673 | } |
| 674 | |
| 675 | void IntrinsicCodeGeneratorX86_64::VisitMathCeil(HInvoke* invoke) { |
| 676 | GenSSE41FPToFPIntrinsic(codegen_, invoke, GetAssembler(), 2); |
| 677 | } |
| 678 | |
| 679 | void IntrinsicLocationsBuilderX86_64::VisitMathFloor(HInvoke* invoke) { |
| 680 | CreateSSE41FPToFPLocations(arena_, invoke, codegen_); |
| 681 | } |
| 682 | |
| 683 | void IntrinsicCodeGeneratorX86_64::VisitMathFloor(HInvoke* invoke) { |
| 684 | GenSSE41FPToFPIntrinsic(codegen_, invoke, GetAssembler(), 1); |
| 685 | } |
| 686 | |
| 687 | void IntrinsicLocationsBuilderX86_64::VisitMathRint(HInvoke* invoke) { |
| 688 | CreateSSE41FPToFPLocations(arena_, invoke, codegen_); |
| 689 | } |
| 690 | |
| 691 | void IntrinsicCodeGeneratorX86_64::VisitMathRint(HInvoke* invoke) { |
| 692 | GenSSE41FPToFPIntrinsic(codegen_, invoke, GetAssembler(), 0); |
| 693 | } |
| 694 | |
| 695 | static void CreateSSE41FPToIntLocations(ArenaAllocator* arena, |
| 696 | HInvoke* invoke, |
| 697 | CodeGeneratorX86_64* codegen) { |
| 698 | // Do we have instruction support? |
| 699 | if (codegen->GetInstructionSetFeatures().HasSSE4_1()) { |
| 700 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 701 | LocationSummary::kNoCall, |
| 702 | kIntrinsified); |
| 703 | locations->SetInAt(0, Location::RequiresFpuRegister()); |
| 704 | locations->SetOut(Location::RequiresFpuRegister()); |
| 705 | locations->AddTemp(Location::RequiresFpuRegister()); |
| 706 | locations->AddTemp(Location::RequiresFpuRegister()); |
| 707 | return; |
| 708 | } |
| 709 | |
| 710 | // We have to fall back to a call to the intrinsic. |
| 711 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 712 | LocationSummary::kCall); |
| 713 | InvokeRuntimeCallingConvention calling_convention; |
| 714 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetFpuRegisterAt(0))); |
| 715 | locations->SetOut(Location::RegisterLocation(RAX)); |
| 716 | // Needs to be RDI for the invoke. |
| 717 | locations->AddTemp(Location::RegisterLocation(RDI)); |
| 718 | } |
| 719 | |
| 720 | void IntrinsicLocationsBuilderX86_64::VisitMathRoundFloat(HInvoke* invoke) { |
| 721 | CreateSSE41FPToIntLocations(arena_, invoke, codegen_); |
| 722 | } |
| 723 | |
| 724 | void IntrinsicCodeGeneratorX86_64::VisitMathRoundFloat(HInvoke* invoke) { |
| 725 | LocationSummary* locations = invoke->GetLocations(); |
| 726 | if (locations->WillCall()) { |
| 727 | InvokeOutOfLineIntrinsic(codegen_, invoke); |
| 728 | return; |
| 729 | } |
| 730 | |
| 731 | // Implement RoundFloat as t1 = floor(input + 0.5f); convert to int. |
| 732 | XmmRegister in = locations->InAt(0).AsFpuRegister<XmmRegister>(); |
| 733 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); |
| 734 | XmmRegister maxInt = locations->GetTemp(0).AsFpuRegister<XmmRegister>(); |
| 735 | XmmRegister inPlusPointFive = locations->GetTemp(1).AsFpuRegister<XmmRegister>(); |
| 736 | Label done, nan; |
| 737 | X86_64Assembler* assembler = GetAssembler(); |
| 738 | |
| 739 | // Generate 0.5 into inPlusPointFive. |
| 740 | __ movl(out, Immediate(bit_cast<int32_t, float>(0.5f))); |
| 741 | __ movd(inPlusPointFive, out, false); |
| 742 | |
| 743 | // Add in the input. |
| 744 | __ addss(inPlusPointFive, in); |
| 745 | |
| 746 | // And truncate to an integer. |
| 747 | __ roundss(inPlusPointFive, inPlusPointFive, Immediate(1)); |
| 748 | |
| 749 | __ movl(out, Immediate(kPrimIntMax)); |
| 750 | // maxInt = int-to-float(out) |
| 751 | __ cvtsi2ss(maxInt, out); |
| 752 | |
| 753 | // if inPlusPointFive >= maxInt goto done |
| 754 | __ comiss(inPlusPointFive, maxInt); |
| 755 | __ j(kAboveEqual, &done); |
| 756 | |
| 757 | // if input == NaN goto nan |
| 758 | __ j(kUnordered, &nan); |
| 759 | |
| 760 | // output = float-to-int-truncate(input) |
| 761 | __ cvttss2si(out, inPlusPointFive); |
| 762 | __ jmp(&done); |
| 763 | __ Bind(&nan); |
| 764 | |
| 765 | // output = 0 |
| 766 | __ xorl(out, out); |
| 767 | __ Bind(&done); |
| 768 | } |
| 769 | |
| 770 | void IntrinsicLocationsBuilderX86_64::VisitMathRoundDouble(HInvoke* invoke) { |
| 771 | CreateSSE41FPToIntLocations(arena_, invoke, codegen_); |
| 772 | } |
| 773 | |
| 774 | void IntrinsicCodeGeneratorX86_64::VisitMathRoundDouble(HInvoke* invoke) { |
| 775 | LocationSummary* locations = invoke->GetLocations(); |
| 776 | if (locations->WillCall()) { |
| 777 | InvokeOutOfLineIntrinsic(codegen_, invoke); |
| 778 | return; |
| 779 | } |
| 780 | |
| 781 | // Implement RoundDouble as t1 = floor(input + 0.5); convert to long. |
| 782 | XmmRegister in = locations->InAt(0).AsFpuRegister<XmmRegister>(); |
| 783 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); |
| 784 | XmmRegister maxLong = locations->GetTemp(0).AsFpuRegister<XmmRegister>(); |
| 785 | XmmRegister inPlusPointFive = locations->GetTemp(1).AsFpuRegister<XmmRegister>(); |
| 786 | Label done, nan; |
| 787 | X86_64Assembler* assembler = GetAssembler(); |
| 788 | |
| 789 | // Generate 0.5 into inPlusPointFive. |
| 790 | __ movq(out, Immediate(bit_cast<int64_t, double>(0.5))); |
| 791 | __ movd(inPlusPointFive, out, true); |
| 792 | |
| 793 | // Add in the input. |
| 794 | __ addsd(inPlusPointFive, in); |
| 795 | |
| 796 | // And truncate to an integer. |
| 797 | __ roundsd(inPlusPointFive, inPlusPointFive, Immediate(1)); |
| 798 | |
| 799 | __ movq(out, Immediate(kPrimLongMax)); |
| 800 | // maxLong = long-to-double(out) |
| 801 | __ cvtsi2sd(maxLong, out, true); |
| 802 | |
| 803 | // if inPlusPointFive >= maxLong goto done |
| 804 | __ comisd(inPlusPointFive, maxLong); |
| 805 | __ j(kAboveEqual, &done); |
| 806 | |
| 807 | // if input == NaN goto nan |
| 808 | __ j(kUnordered, &nan); |
| 809 | |
| 810 | // output = double-to-long-truncate(input) |
| 811 | __ cvttsd2si(out, inPlusPointFive, true); |
| 812 | __ jmp(&done); |
| 813 | __ Bind(&nan); |
| 814 | |
| 815 | // output = 0 |
| 816 | __ xorq(out, out); |
| 817 | __ Bind(&done); |
| 818 | } |
| 819 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 820 | void IntrinsicLocationsBuilderX86_64::VisitStringCharAt(HInvoke* invoke) { |
| 821 | // The inputs plus one temp. |
| 822 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 823 | LocationSummary::kCallOnSlowPath, |
| 824 | kIntrinsified); |
| 825 | locations->SetInAt(0, Location::RequiresRegister()); |
| 826 | locations->SetInAt(1, Location::RequiresRegister()); |
| 827 | locations->SetOut(Location::SameAsFirstInput()); |
| 828 | locations->AddTemp(Location::RequiresRegister()); |
| 829 | } |
| 830 | |
| 831 | void IntrinsicCodeGeneratorX86_64::VisitStringCharAt(HInvoke* invoke) { |
| 832 | LocationSummary* locations = invoke->GetLocations(); |
| 833 | |
| 834 | // Location of reference to data array |
| 835 | const int32_t value_offset = mirror::String::ValueOffset().Int32Value(); |
| 836 | // Location of count |
| 837 | const int32_t count_offset = mirror::String::CountOffset().Int32Value(); |
| 838 | // Starting offset within data array |
| 839 | const int32_t offset_offset = mirror::String::OffsetOffset().Int32Value(); |
| 840 | // Start of char data with array_ |
| 841 | const int32_t data_offset = mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value(); |
| 842 | |
| 843 | CpuRegister obj = locations->InAt(0).AsRegister<CpuRegister>(); |
| 844 | CpuRegister idx = locations->InAt(1).AsRegister<CpuRegister>(); |
| 845 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); |
| 846 | Location temp_loc = locations->GetTemp(0); |
| 847 | CpuRegister temp = temp_loc.AsRegister<CpuRegister>(); |
| 848 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 849 | // TODO: Maybe we can support range check elimination. Overall, though, I think it's not worth |
| 850 | // the cost. |
| 851 | // TODO: For simplicity, the index parameter is requested in a register, so different from Quick |
| 852 | // we will not optimize the code for constants (which would save a register). |
| 853 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 854 | SlowPathCodeX86_64* slow_path = new (GetAllocator()) IntrinsicSlowPathX86_64(invoke); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 855 | codegen_->AddSlowPath(slow_path); |
| 856 | |
| 857 | X86_64Assembler* assembler = GetAssembler(); |
| 858 | |
| 859 | __ cmpl(idx, Address(obj, count_offset)); |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 860 | codegen_->MaybeRecordImplicitNullCheck(invoke); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 861 | __ j(kAboveEqual, slow_path->GetEntryLabel()); |
| 862 | |
| 863 | // Get the actual element. |
| 864 | __ movl(temp, idx); // temp := idx. |
| 865 | __ addl(temp, Address(obj, offset_offset)); // temp := offset + idx. |
| 866 | __ movl(out, Address(obj, value_offset)); // obj := obj.array. |
| 867 | // out = out[2*temp]. |
| 868 | __ movzxw(out, Address(out, temp, ScaleFactor::TIMES_2, data_offset)); |
| 869 | |
| 870 | __ Bind(slow_path->GetExitLabel()); |
| 871 | } |
| 872 | |
Nicolas Geoffray | d75948a | 2015-03-27 09:53:16 +0000 | [diff] [blame] | 873 | void IntrinsicLocationsBuilderX86_64::VisitStringCompareTo(HInvoke* invoke) { |
| 874 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 875 | LocationSummary::kCall, |
| 876 | kIntrinsified); |
| 877 | InvokeRuntimeCallingConvention calling_convention; |
| 878 | locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0))); |
| 879 | locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1))); |
| 880 | locations->SetOut(Location::RegisterLocation(RAX)); |
| 881 | } |
| 882 | |
| 883 | void IntrinsicCodeGeneratorX86_64::VisitStringCompareTo(HInvoke* invoke) { |
| 884 | X86_64Assembler* assembler = GetAssembler(); |
| 885 | LocationSummary* locations = invoke->GetLocations(); |
| 886 | |
Nicolas Geoffray | 512e04d | 2015-03-27 17:21:24 +0000 | [diff] [blame] | 887 | // Note that the null check must have been done earlier. |
Nicolas Geoffray | d75948a | 2015-03-27 09:53:16 +0000 | [diff] [blame] | 888 | DCHECK(!invoke->CanDoImplicitNullCheck()); |
| 889 | |
| 890 | CpuRegister argument = locations->InAt(1).AsRegister<CpuRegister>(); |
| 891 | __ testl(argument, argument); |
| 892 | SlowPathCodeX86_64* slow_path = new (GetAllocator()) IntrinsicSlowPathX86_64(invoke); |
| 893 | codegen_->AddSlowPath(slow_path); |
| 894 | __ j(kEqual, slow_path->GetEntryLabel()); |
| 895 | |
| 896 | __ gs()->call(Address::Absolute( |
| 897 | QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pStringCompareTo), true)); |
| 898 | __ Bind(slow_path->GetExitLabel()); |
| 899 | } |
| 900 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 901 | static void GenPeek(LocationSummary* locations, Primitive::Type size, X86_64Assembler* assembler) { |
| 902 | CpuRegister address = locations->InAt(0).AsRegister<CpuRegister>(); |
| 903 | CpuRegister out = locations->Out().AsRegister<CpuRegister>(); // == address, here for clarity. |
| 904 | // x86 allows unaligned access. We do not have to check the input or use specific instructions |
| 905 | // to avoid a SIGBUS. |
| 906 | switch (size) { |
| 907 | case Primitive::kPrimByte: |
| 908 | __ movsxb(out, Address(address, 0)); |
| 909 | break; |
| 910 | case Primitive::kPrimShort: |
| 911 | __ movsxw(out, Address(address, 0)); |
| 912 | break; |
| 913 | case Primitive::kPrimInt: |
| 914 | __ movl(out, Address(address, 0)); |
| 915 | break; |
| 916 | case Primitive::kPrimLong: |
| 917 | __ movq(out, Address(address, 0)); |
| 918 | break; |
| 919 | default: |
| 920 | LOG(FATAL) << "Type not recognized for peek: " << size; |
| 921 | UNREACHABLE(); |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPeekByte(HInvoke* invoke) { |
| 926 | CreateIntToIntLocations(arena_, invoke); |
| 927 | } |
| 928 | |
| 929 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPeekByte(HInvoke* invoke) { |
| 930 | GenPeek(invoke->GetLocations(), Primitive::kPrimByte, GetAssembler()); |
| 931 | } |
| 932 | |
| 933 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| 934 | CreateIntToIntLocations(arena_, invoke); |
| 935 | } |
| 936 | |
| 937 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPeekIntNative(HInvoke* invoke) { |
| 938 | GenPeek(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| 939 | } |
| 940 | |
| 941 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| 942 | CreateIntToIntLocations(arena_, invoke); |
| 943 | } |
| 944 | |
| 945 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPeekLongNative(HInvoke* invoke) { |
| 946 | GenPeek(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| 947 | } |
| 948 | |
| 949 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| 950 | CreateIntToIntLocations(arena_, invoke); |
| 951 | } |
| 952 | |
| 953 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPeekShortNative(HInvoke* invoke) { |
| 954 | GenPeek(invoke->GetLocations(), Primitive::kPrimShort, GetAssembler()); |
| 955 | } |
| 956 | |
| 957 | static void CreateIntIntToVoidLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 958 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 959 | LocationSummary::kNoCall, |
| 960 | kIntrinsified); |
| 961 | locations->SetInAt(0, Location::RequiresRegister()); |
| 962 | locations->SetInAt(1, Location::RequiresRegister()); |
| 963 | } |
| 964 | |
| 965 | static void GenPoke(LocationSummary* locations, Primitive::Type size, X86_64Assembler* assembler) { |
| 966 | CpuRegister address = locations->InAt(0).AsRegister<CpuRegister>(); |
| 967 | CpuRegister value = locations->InAt(1).AsRegister<CpuRegister>(); |
| 968 | // x86 allows unaligned access. We do not have to check the input or use specific instructions |
| 969 | // to avoid a SIGBUS. |
| 970 | switch (size) { |
| 971 | case Primitive::kPrimByte: |
| 972 | __ movb(Address(address, 0), value); |
| 973 | break; |
| 974 | case Primitive::kPrimShort: |
| 975 | __ movw(Address(address, 0), value); |
| 976 | break; |
| 977 | case Primitive::kPrimInt: |
| 978 | __ movl(Address(address, 0), value); |
| 979 | break; |
| 980 | case Primitive::kPrimLong: |
| 981 | __ movq(Address(address, 0), value); |
| 982 | break; |
| 983 | default: |
| 984 | LOG(FATAL) << "Type not recognized for poke: " << size; |
| 985 | UNREACHABLE(); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPokeByte(HInvoke* invoke) { |
| 990 | CreateIntIntToVoidLocations(arena_, invoke); |
| 991 | } |
| 992 | |
| 993 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPokeByte(HInvoke* invoke) { |
| 994 | GenPoke(invoke->GetLocations(), Primitive::kPrimByte, GetAssembler()); |
| 995 | } |
| 996 | |
| 997 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| 998 | CreateIntIntToVoidLocations(arena_, invoke); |
| 999 | } |
| 1000 | |
| 1001 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPokeIntNative(HInvoke* invoke) { |
| 1002 | GenPoke(invoke->GetLocations(), Primitive::kPrimInt, GetAssembler()); |
| 1003 | } |
| 1004 | |
| 1005 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| 1006 | CreateIntIntToVoidLocations(arena_, invoke); |
| 1007 | } |
| 1008 | |
| 1009 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPokeLongNative(HInvoke* invoke) { |
| 1010 | GenPoke(invoke->GetLocations(), Primitive::kPrimLong, GetAssembler()); |
| 1011 | } |
| 1012 | |
| 1013 | void IntrinsicLocationsBuilderX86_64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| 1014 | CreateIntIntToVoidLocations(arena_, invoke); |
| 1015 | } |
| 1016 | |
| 1017 | void IntrinsicCodeGeneratorX86_64::VisitMemoryPokeShortNative(HInvoke* invoke) { |
| 1018 | GenPoke(invoke->GetLocations(), Primitive::kPrimShort, GetAssembler()); |
| 1019 | } |
| 1020 | |
| 1021 | void IntrinsicLocationsBuilderX86_64::VisitThreadCurrentThread(HInvoke* invoke) { |
| 1022 | LocationSummary* locations = new (arena_) LocationSummary(invoke, |
| 1023 | LocationSummary::kNoCall, |
| 1024 | kIntrinsified); |
| 1025 | locations->SetOut(Location::RequiresRegister()); |
| 1026 | } |
| 1027 | |
| 1028 | void IntrinsicCodeGeneratorX86_64::VisitThreadCurrentThread(HInvoke* invoke) { |
| 1029 | CpuRegister out = invoke->GetLocations()->Out().AsRegister<CpuRegister>(); |
| 1030 | GetAssembler()->gs()->movl(out, Address::Absolute(Thread::PeerOffset<kX86_64WordSize>(), true)); |
| 1031 | } |
| 1032 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1033 | static void GenUnsafeGet(LocationSummary* locations, Primitive::Type type, |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1034 | bool is_volatile ATTRIBUTE_UNUSED, X86_64Assembler* assembler) { |
| 1035 | CpuRegister base = locations->InAt(1).AsRegister<CpuRegister>(); |
| 1036 | CpuRegister offset = locations->InAt(2).AsRegister<CpuRegister>(); |
| 1037 | CpuRegister trg = locations->Out().AsRegister<CpuRegister>(); |
| 1038 | |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1039 | switch (type) { |
| 1040 | case Primitive::kPrimInt: |
| 1041 | case Primitive::kPrimNot: |
| 1042 | __ movl(trg, Address(base, offset, ScaleFactor::TIMES_1, 0)); |
| 1043 | break; |
| 1044 | |
| 1045 | case Primitive::kPrimLong: |
| 1046 | __ movq(trg, Address(base, offset, ScaleFactor::TIMES_1, 0)); |
| 1047 | break; |
| 1048 | |
| 1049 | default: |
| 1050 | LOG(FATAL) << "Unsupported op size " << type; |
| 1051 | UNREACHABLE(); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | static void CreateIntIntIntToIntLocations(ArenaAllocator* arena, HInvoke* invoke) { |
| 1056 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 1057 | LocationSummary::kNoCall, |
| 1058 | kIntrinsified); |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1059 | locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1060 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1061 | locations->SetInAt(2, Location::RequiresRegister()); |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1062 | locations->SetOut(Location::RequiresRegister()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGet(HInvoke* invoke) { |
| 1066 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1067 | } |
| 1068 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
| 1069 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1070 | } |
| 1071 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGetLong(HInvoke* invoke) { |
| 1072 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1073 | } |
| 1074 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
| 1075 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1076 | } |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1077 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGetObject(HInvoke* invoke) { |
| 1078 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1079 | } |
| 1080 | void IntrinsicLocationsBuilderX86_64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
| 1081 | CreateIntIntIntToIntLocations(arena_, invoke); |
| 1082 | } |
| 1083 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1084 | |
| 1085 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGet(HInvoke* invoke) { |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1086 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimInt, false, GetAssembler()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1087 | } |
| 1088 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGetVolatile(HInvoke* invoke) { |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1089 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimInt, true, GetAssembler()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1090 | } |
| 1091 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGetLong(HInvoke* invoke) { |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1092 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimLong, false, GetAssembler()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1093 | } |
| 1094 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGetLongVolatile(HInvoke* invoke) { |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1095 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimLong, true, GetAssembler()); |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1096 | } |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1097 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGetObject(HInvoke* invoke) { |
| 1098 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimNot, false, GetAssembler()); |
| 1099 | } |
| 1100 | void IntrinsicCodeGeneratorX86_64::VisitUnsafeGetObjectVolatile(HInvoke* invoke) { |
| 1101 | GenUnsafeGet(invoke->GetLocations(), Primitive::kPrimNot, true, GetAssembler()); |
| 1102 | } |
| 1103 | |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1104 | |
| 1105 | static void CreateIntIntIntIntToVoidPlusTempsLocations(ArenaAllocator* arena, |
| 1106 | Primitive::Type type, |
| 1107 | HInvoke* invoke) { |
| 1108 | LocationSummary* locations = new (arena) LocationSummary(invoke, |
| 1109 | LocationSummary::kNoCall, |
| 1110 | kIntrinsified); |
Andreas Gampe | 878d58c | 2015-01-15 23:24:00 -0800 | [diff] [blame] | 1111 | locations->SetInAt(0, Location::NoLocation()); // Unused receiver. |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1112 | locations->SetInAt(1, Location::RequiresRegister()); |
| 1113 | locations->SetInAt(2, Location::RequiresRegister()); |
| 1114 | locations->SetInAt(3, Location::RequiresRegister()); |
| 1115 | if (type == Primitive::kPrimNot) { |
| 1116 | // Need temp registers for card-marking. |
| 1117 | locations->AddTemp(Location::RequiresRegister()); |
| 1118 | locations->AddTemp(Location::RequiresRegister()); |
| 1119 | } |
| 1120 | } |
| 1121 | |
| 1122 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePut(HInvoke* invoke) { |
| 1123 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimInt, invoke); |
| 1124 | } |
| 1125 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutOrdered(HInvoke* invoke) { |
| 1126 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimInt, invoke); |
| 1127 | } |
| 1128 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutVolatile(HInvoke* invoke) { |
| 1129 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimInt, invoke); |
| 1130 | } |
| 1131 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutObject(HInvoke* invoke) { |
| 1132 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimNot, invoke); |
| 1133 | } |
| 1134 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
| 1135 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimNot, invoke); |
| 1136 | } |
| 1137 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
| 1138 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimNot, invoke); |
| 1139 | } |
| 1140 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutLong(HInvoke* invoke) { |
| 1141 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimLong, invoke); |
| 1142 | } |
| 1143 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
| 1144 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimLong, invoke); |
| 1145 | } |
| 1146 | void IntrinsicLocationsBuilderX86_64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
| 1147 | CreateIntIntIntIntToVoidPlusTempsLocations(arena_, Primitive::kPrimLong, invoke); |
| 1148 | } |
| 1149 | |
| 1150 | // We don't care for ordered: it requires an AnyStore barrier, which is already given by the x86 |
| 1151 | // memory model. |
| 1152 | static void GenUnsafePut(LocationSummary* locations, Primitive::Type type, bool is_volatile, |
| 1153 | CodeGeneratorX86_64* codegen) { |
| 1154 | X86_64Assembler* assembler = reinterpret_cast<X86_64Assembler*>(codegen->GetAssembler()); |
| 1155 | CpuRegister base = locations->InAt(1).AsRegister<CpuRegister>(); |
| 1156 | CpuRegister offset = locations->InAt(2).AsRegister<CpuRegister>(); |
| 1157 | CpuRegister value = locations->InAt(3).AsRegister<CpuRegister>(); |
| 1158 | |
| 1159 | if (type == Primitive::kPrimLong) { |
| 1160 | __ movq(Address(base, offset, ScaleFactor::TIMES_1, 0), value); |
| 1161 | } else { |
| 1162 | __ movl(Address(base, offset, ScaleFactor::TIMES_1, 0), value); |
| 1163 | } |
| 1164 | |
| 1165 | if (is_volatile) { |
| 1166 | __ mfence(); |
| 1167 | } |
| 1168 | |
| 1169 | if (type == Primitive::kPrimNot) { |
| 1170 | codegen->MarkGCCard(locations->GetTemp(0).AsRegister<CpuRegister>(), |
| 1171 | locations->GetTemp(1).AsRegister<CpuRegister>(), |
| 1172 | base, |
| 1173 | value); |
| 1174 | } |
| 1175 | } |
| 1176 | |
| 1177 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePut(HInvoke* invoke) { |
| 1178 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, codegen_); |
| 1179 | } |
| 1180 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutOrdered(HInvoke* invoke) { |
| 1181 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, false, codegen_); |
| 1182 | } |
| 1183 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutVolatile(HInvoke* invoke) { |
| 1184 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimInt, true, codegen_); |
| 1185 | } |
| 1186 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutObject(HInvoke* invoke) { |
| 1187 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, codegen_); |
| 1188 | } |
| 1189 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutObjectOrdered(HInvoke* invoke) { |
| 1190 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, false, codegen_); |
| 1191 | } |
| 1192 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutObjectVolatile(HInvoke* invoke) { |
| 1193 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimNot, true, codegen_); |
| 1194 | } |
| 1195 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutLong(HInvoke* invoke) { |
| 1196 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, codegen_); |
| 1197 | } |
| 1198 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutLongOrdered(HInvoke* invoke) { |
| 1199 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, false, codegen_); |
| 1200 | } |
| 1201 | void IntrinsicCodeGeneratorX86_64::VisitUnsafePutLongVolatile(HInvoke* invoke) { |
| 1202 | GenUnsafePut(invoke->GetLocations(), Primitive::kPrimLong, true, codegen_); |
| 1203 | } |
| 1204 | |
| 1205 | // Unimplemented intrinsics. |
| 1206 | |
| 1207 | #define UNIMPLEMENTED_INTRINSIC(Name) \ |
| 1208 | void IntrinsicLocationsBuilderX86_64::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ |
| 1209 | } \ |
| 1210 | void IntrinsicCodeGeneratorX86_64::Visit ## Name(HInvoke* invoke ATTRIBUTE_UNUSED) { \ |
| 1211 | } |
| 1212 | |
| 1213 | UNIMPLEMENTED_INTRINSIC(IntegerReverse) |
| 1214 | UNIMPLEMENTED_INTRINSIC(LongReverse) |
Andreas Gampe | 71fb52f | 2014-12-29 17:43:08 -0800 | [diff] [blame] | 1215 | UNIMPLEMENTED_INTRINSIC(StringIndexOf) |
| 1216 | UNIMPLEMENTED_INTRINSIC(StringIndexOfAfter) |
| 1217 | UNIMPLEMENTED_INTRINSIC(SystemArrayCopyChar) |
| 1218 | UNIMPLEMENTED_INTRINSIC(UnsafeCASInt) |
| 1219 | UNIMPLEMENTED_INTRINSIC(UnsafeCASLong) |
| 1220 | UNIMPLEMENTED_INTRINSIC(UnsafeCASObject) |
| 1221 | UNIMPLEMENTED_INTRINSIC(ReferenceGetReferent) |
| 1222 | |
| 1223 | } // namespace x86_64 |
| 1224 | } // namespace art |