Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/code-generator.h" |
| 6 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 7 | #include "src/arm64/frames-arm64.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/arm64/macro-assembler-arm64.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 9 | #include "src/ast/scopes.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 10 | #include "src/compiler/code-generator-impl.h" |
| 11 | #include "src/compiler/gap-resolver.h" |
| 12 | #include "src/compiler/node-matchers.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 13 | #include "src/compiler/osr.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 14 | |
| 15 | namespace v8 { |
| 16 | namespace internal { |
| 17 | namespace compiler { |
| 18 | |
| 19 | #define __ masm()-> |
| 20 | |
| 21 | |
| 22 | // Adds Arm64-specific methods to convert InstructionOperands. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 23 | class Arm64OperandConverter final : public InstructionOperandConverter { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 24 | public: |
| 25 | Arm64OperandConverter(CodeGenerator* gen, Instruction* instr) |
| 26 | : InstructionOperandConverter(gen, instr) {} |
| 27 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | DoubleRegister InputFloat32Register(size_t index) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 29 | return InputDoubleRegister(index).S(); |
| 30 | } |
| 31 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 32 | DoubleRegister InputFloat64Register(size_t index) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 33 | return InputDoubleRegister(index); |
| 34 | } |
| 35 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 36 | size_t OutputCount() { return instr_->OutputCount(); } |
| 37 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 38 | DoubleRegister OutputFloat32Register() { return OutputDoubleRegister().S(); } |
| 39 | |
| 40 | DoubleRegister OutputFloat64Register() { return OutputDoubleRegister(); } |
| 41 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 42 | Register InputRegister32(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 43 | return ToRegister(instr_->InputAt(index)).W(); |
| 44 | } |
| 45 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 46 | Register InputOrZeroRegister32(size_t index) { |
| 47 | DCHECK(instr_->InputAt(index)->IsRegister() || |
| 48 | (instr_->InputAt(index)->IsImmediate() && (InputInt32(index) == 0))); |
| 49 | if (instr_->InputAt(index)->IsImmediate()) { |
| 50 | return wzr; |
| 51 | } |
| 52 | return InputRegister32(index); |
| 53 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 54 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 55 | Register InputRegister64(size_t index) { return InputRegister(index); } |
| 56 | |
| 57 | Register InputOrZeroRegister64(size_t index) { |
| 58 | DCHECK(instr_->InputAt(index)->IsRegister() || |
| 59 | (instr_->InputAt(index)->IsImmediate() && (InputInt64(index) == 0))); |
| 60 | if (instr_->InputAt(index)->IsImmediate()) { |
| 61 | return xzr; |
| 62 | } |
| 63 | return InputRegister64(index); |
| 64 | } |
| 65 | |
| 66 | Operand InputImmediate(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 67 | return ToImmediate(instr_->InputAt(index)); |
| 68 | } |
| 69 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 70 | Operand InputOperand(size_t index) { |
| 71 | return ToOperand(instr_->InputAt(index)); |
| 72 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 73 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 74 | Operand InputOperand64(size_t index) { return InputOperand(index); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 75 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 76 | Operand InputOperand32(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 77 | return ToOperand32(instr_->InputAt(index)); |
| 78 | } |
| 79 | |
| 80 | Register OutputRegister64() { return OutputRegister(); } |
| 81 | |
| 82 | Register OutputRegister32() { return ToRegister(instr_->Output()).W(); } |
| 83 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 84 | Operand InputOperand2_32(size_t index) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 85 | switch (AddressingModeField::decode(instr_->opcode())) { |
| 86 | case kMode_None: |
| 87 | return InputOperand32(index); |
| 88 | case kMode_Operand2_R_LSL_I: |
| 89 | return Operand(InputRegister32(index), LSL, InputInt5(index + 1)); |
| 90 | case kMode_Operand2_R_LSR_I: |
| 91 | return Operand(InputRegister32(index), LSR, InputInt5(index + 1)); |
| 92 | case kMode_Operand2_R_ASR_I: |
| 93 | return Operand(InputRegister32(index), ASR, InputInt5(index + 1)); |
| 94 | case kMode_Operand2_R_ROR_I: |
| 95 | return Operand(InputRegister32(index), ROR, InputInt5(index + 1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 96 | case kMode_Operand2_R_UXTB: |
| 97 | return Operand(InputRegister32(index), UXTB); |
| 98 | case kMode_Operand2_R_UXTH: |
| 99 | return Operand(InputRegister32(index), UXTH); |
| 100 | case kMode_Operand2_R_SXTB: |
| 101 | return Operand(InputRegister32(index), SXTB); |
| 102 | case kMode_Operand2_R_SXTH: |
| 103 | return Operand(InputRegister32(index), SXTH); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 104 | case kMode_MRI: |
| 105 | case kMode_MRR: |
| 106 | break; |
| 107 | } |
| 108 | UNREACHABLE(); |
| 109 | return Operand(-1); |
| 110 | } |
| 111 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 112 | Operand InputOperand2_64(size_t index) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 113 | switch (AddressingModeField::decode(instr_->opcode())) { |
| 114 | case kMode_None: |
| 115 | return InputOperand64(index); |
| 116 | case kMode_Operand2_R_LSL_I: |
| 117 | return Operand(InputRegister64(index), LSL, InputInt6(index + 1)); |
| 118 | case kMode_Operand2_R_LSR_I: |
| 119 | return Operand(InputRegister64(index), LSR, InputInt6(index + 1)); |
| 120 | case kMode_Operand2_R_ASR_I: |
| 121 | return Operand(InputRegister64(index), ASR, InputInt6(index + 1)); |
| 122 | case kMode_Operand2_R_ROR_I: |
| 123 | return Operand(InputRegister64(index), ROR, InputInt6(index + 1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 124 | case kMode_Operand2_R_UXTB: |
| 125 | return Operand(InputRegister64(index), UXTB); |
| 126 | case kMode_Operand2_R_UXTH: |
| 127 | return Operand(InputRegister64(index), UXTH); |
| 128 | case kMode_Operand2_R_SXTB: |
| 129 | return Operand(InputRegister64(index), SXTB); |
| 130 | case kMode_Operand2_R_SXTH: |
| 131 | return Operand(InputRegister64(index), SXTH); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 132 | case kMode_MRI: |
| 133 | case kMode_MRR: |
| 134 | break; |
| 135 | } |
| 136 | UNREACHABLE(); |
| 137 | return Operand(-1); |
| 138 | } |
| 139 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 140 | MemOperand MemoryOperand(size_t* first_index) { |
| 141 | const size_t index = *first_index; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 142 | switch (AddressingModeField::decode(instr_->opcode())) { |
| 143 | case kMode_None: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 144 | case kMode_Operand2_R_LSL_I: |
| 145 | case kMode_Operand2_R_LSR_I: |
| 146 | case kMode_Operand2_R_ASR_I: |
| 147 | case kMode_Operand2_R_ROR_I: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 148 | case kMode_Operand2_R_UXTB: |
| 149 | case kMode_Operand2_R_UXTH: |
| 150 | case kMode_Operand2_R_SXTB: |
| 151 | case kMode_Operand2_R_SXTH: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 152 | break; |
| 153 | case kMode_MRI: |
| 154 | *first_index += 2; |
| 155 | return MemOperand(InputRegister(index + 0), InputInt32(index + 1)); |
| 156 | case kMode_MRR: |
| 157 | *first_index += 2; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 158 | return MemOperand(InputRegister(index + 0), InputRegister(index + 1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 159 | } |
| 160 | UNREACHABLE(); |
| 161 | return MemOperand(no_reg); |
| 162 | } |
| 163 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 164 | MemOperand MemoryOperand(size_t first_index = 0) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 165 | return MemoryOperand(&first_index); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | Operand ToOperand(InstructionOperand* op) { |
| 169 | if (op->IsRegister()) { |
| 170 | return Operand(ToRegister(op)); |
| 171 | } |
| 172 | return ToImmediate(op); |
| 173 | } |
| 174 | |
| 175 | Operand ToOperand32(InstructionOperand* op) { |
| 176 | if (op->IsRegister()) { |
| 177 | return Operand(ToRegister(op).W()); |
| 178 | } |
| 179 | return ToImmediate(op); |
| 180 | } |
| 181 | |
| 182 | Operand ToImmediate(InstructionOperand* operand) { |
| 183 | Constant constant = ToConstant(operand); |
| 184 | switch (constant.type()) { |
| 185 | case Constant::kInt32: |
| 186 | return Operand(constant.ToInt32()); |
| 187 | case Constant::kInt64: |
| 188 | return Operand(constant.ToInt64()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 189 | case Constant::kFloat32: |
| 190 | return Operand( |
| 191 | isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 192 | case Constant::kFloat64: |
| 193 | return Operand( |
| 194 | isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED)); |
| 195 | case Constant::kExternalReference: |
| 196 | return Operand(constant.ToExternalReference()); |
| 197 | case Constant::kHeapObject: |
| 198 | return Operand(constant.ToHeapObject()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 199 | case Constant::kRpoNumber: |
| 200 | UNREACHABLE(); // TODO(dcarney): RPO immediates on arm64. |
| 201 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 202 | } |
| 203 | UNREACHABLE(); |
| 204 | return Operand(-1); |
| 205 | } |
| 206 | |
| 207 | MemOperand ToMemOperand(InstructionOperand* op, MacroAssembler* masm) const { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 208 | DCHECK_NOT_NULL(op); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 209 | DCHECK(op->IsStackSlot() || op->IsDoubleStackSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 210 | FrameOffset offset = frame_access_state()->GetFrameOffset( |
| 211 | AllocatedOperand::cast(op)->index()); |
| 212 | if (offset.from_frame_pointer()) { |
| 213 | int from_sp = |
| 214 | offset.offset() + |
| 215 | ((frame()->GetSpToFpSlotCount() + frame_access_state()->sp_delta()) * |
| 216 | kPointerSize); |
| 217 | // Convert FP-offsets to SP-offsets if it results in better code. |
| 218 | if (Assembler::IsImmLSUnscaled(from_sp) || |
| 219 | Assembler::IsImmLSScaled(from_sp, LSDoubleWord)) { |
| 220 | offset = FrameOffset::FromStackPointer(from_sp); |
| 221 | } |
| 222 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 223 | return MemOperand(offset.from_stack_pointer() ? masm->StackPointer() : fp, |
| 224 | offset.offset()); |
| 225 | } |
| 226 | }; |
| 227 | |
| 228 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 229 | namespace { |
| 230 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 231 | class OutOfLineLoadNaN32 final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 232 | public: |
| 233 | OutOfLineLoadNaN32(CodeGenerator* gen, DoubleRegister result) |
| 234 | : OutOfLineCode(gen), result_(result) {} |
| 235 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 236 | void Generate() final { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 237 | __ Fmov(result_, std::numeric_limits<float>::quiet_NaN()); |
| 238 | } |
| 239 | |
| 240 | private: |
| 241 | DoubleRegister const result_; |
| 242 | }; |
| 243 | |
| 244 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 245 | class OutOfLineLoadNaN64 final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 246 | public: |
| 247 | OutOfLineLoadNaN64(CodeGenerator* gen, DoubleRegister result) |
| 248 | : OutOfLineCode(gen), result_(result) {} |
| 249 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 250 | void Generate() final { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 251 | __ Fmov(result_, std::numeric_limits<double>::quiet_NaN()); |
| 252 | } |
| 253 | |
| 254 | private: |
| 255 | DoubleRegister const result_; |
| 256 | }; |
| 257 | |
| 258 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 259 | class OutOfLineLoadZero final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 260 | public: |
| 261 | OutOfLineLoadZero(CodeGenerator* gen, Register result) |
| 262 | : OutOfLineCode(gen), result_(result) {} |
| 263 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 264 | void Generate() final { __ Mov(result_, 0); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 265 | |
| 266 | private: |
| 267 | Register const result_; |
| 268 | }; |
| 269 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 270 | |
| 271 | class OutOfLineRecordWrite final : public OutOfLineCode { |
| 272 | public: |
| 273 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, Register index, |
| 274 | Register value, Register scratch0, Register scratch1, |
| 275 | RecordWriteMode mode) |
| 276 | : OutOfLineCode(gen), |
| 277 | object_(object), |
| 278 | index_(index), |
| 279 | value_(value), |
| 280 | scratch0_(scratch0), |
| 281 | scratch1_(scratch1), |
| 282 | mode_(mode) {} |
| 283 | |
| 284 | void Generate() final { |
| 285 | if (mode_ > RecordWriteMode::kValueIsPointer) { |
| 286 | __ JumpIfSmi(value_, exit()); |
| 287 | } |
| 288 | if (mode_ > RecordWriteMode::kValueIsMap) { |
| 289 | __ CheckPageFlagClear(value_, scratch0_, |
| 290 | MemoryChunk::kPointersToHereAreInterestingMask, |
| 291 | exit()); |
| 292 | } |
| 293 | SaveFPRegsMode const save_fp_mode = |
| 294 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
| 295 | // TODO(turbofan): Once we get frame elision working, we need to save |
| 296 | // and restore lr properly here if the frame was elided. |
| 297 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
| 298 | EMIT_REMEMBERED_SET, save_fp_mode); |
| 299 | __ Add(scratch1_, object_, index_); |
| 300 | __ CallStub(&stub); |
| 301 | } |
| 302 | |
| 303 | private: |
| 304 | Register const object_; |
| 305 | Register const index_; |
| 306 | Register const value_; |
| 307 | Register const scratch0_; |
| 308 | Register const scratch1_; |
| 309 | RecordWriteMode const mode_; |
| 310 | }; |
| 311 | |
| 312 | |
| 313 | Condition FlagsConditionToCondition(FlagsCondition condition) { |
| 314 | switch (condition) { |
| 315 | case kEqual: |
| 316 | return eq; |
| 317 | case kNotEqual: |
| 318 | return ne; |
| 319 | case kSignedLessThan: |
| 320 | return lt; |
| 321 | case kSignedGreaterThanOrEqual: |
| 322 | return ge; |
| 323 | case kSignedLessThanOrEqual: |
| 324 | return le; |
| 325 | case kSignedGreaterThan: |
| 326 | return gt; |
| 327 | case kUnsignedLessThan: |
| 328 | return lo; |
| 329 | case kUnsignedGreaterThanOrEqual: |
| 330 | return hs; |
| 331 | case kUnsignedLessThanOrEqual: |
| 332 | return ls; |
| 333 | case kUnsignedGreaterThan: |
| 334 | return hi; |
| 335 | case kFloatLessThanOrUnordered: |
| 336 | return lt; |
| 337 | case kFloatGreaterThanOrEqual: |
| 338 | return ge; |
| 339 | case kFloatLessThanOrEqual: |
| 340 | return ls; |
| 341 | case kFloatGreaterThanOrUnordered: |
| 342 | return hi; |
| 343 | case kFloatLessThan: |
| 344 | return lo; |
| 345 | case kFloatGreaterThanOrEqualOrUnordered: |
| 346 | return hs; |
| 347 | case kFloatLessThanOrEqualOrUnordered: |
| 348 | return le; |
| 349 | case kFloatGreaterThan: |
| 350 | return gt; |
| 351 | case kOverflow: |
| 352 | return vs; |
| 353 | case kNotOverflow: |
| 354 | return vc; |
| 355 | case kUnorderedEqual: |
| 356 | case kUnorderedNotEqual: |
| 357 | break; |
| 358 | } |
| 359 | UNREACHABLE(); |
| 360 | return nv; |
| 361 | } |
| 362 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 363 | } // namespace |
| 364 | |
| 365 | |
| 366 | #define ASSEMBLE_CHECKED_LOAD_FLOAT(width) \ |
| 367 | do { \ |
| 368 | auto result = i.OutputFloat##width##Register(); \ |
| 369 | auto buffer = i.InputRegister(0); \ |
| 370 | auto offset = i.InputRegister32(1); \ |
| 371 | auto length = i.InputOperand32(2); \ |
| 372 | __ Cmp(offset, length); \ |
| 373 | auto ool = new (zone()) OutOfLineLoadNaN##width(this, result); \ |
| 374 | __ B(hs, ool->entry()); \ |
| 375 | __ Ldr(result, MemOperand(buffer, offset, UXTW)); \ |
| 376 | __ Bind(ool->exit()); \ |
| 377 | } while (0) |
| 378 | |
| 379 | |
| 380 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr) \ |
| 381 | do { \ |
| 382 | auto result = i.OutputRegister32(); \ |
| 383 | auto buffer = i.InputRegister(0); \ |
| 384 | auto offset = i.InputRegister32(1); \ |
| 385 | auto length = i.InputOperand32(2); \ |
| 386 | __ Cmp(offset, length); \ |
| 387 | auto ool = new (zone()) OutOfLineLoadZero(this, result); \ |
| 388 | __ B(hs, ool->entry()); \ |
| 389 | __ asm_instr(result, MemOperand(buffer, offset, UXTW)); \ |
| 390 | __ Bind(ool->exit()); \ |
| 391 | } while (0) |
| 392 | |
| 393 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 394 | #define ASSEMBLE_CHECKED_LOAD_INTEGER_64(asm_instr) \ |
| 395 | do { \ |
| 396 | auto result = i.OutputRegister(); \ |
| 397 | auto buffer = i.InputRegister(0); \ |
| 398 | auto offset = i.InputRegister32(1); \ |
| 399 | auto length = i.InputOperand32(2); \ |
| 400 | __ Cmp(offset, length); \ |
| 401 | auto ool = new (zone()) OutOfLineLoadZero(this, result); \ |
| 402 | __ B(hs, ool->entry()); \ |
| 403 | __ asm_instr(result, MemOperand(buffer, offset, UXTW)); \ |
| 404 | __ Bind(ool->exit()); \ |
| 405 | } while (0) |
| 406 | |
| 407 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 408 | #define ASSEMBLE_CHECKED_STORE_FLOAT(width) \ |
| 409 | do { \ |
| 410 | auto buffer = i.InputRegister(0); \ |
| 411 | auto offset = i.InputRegister32(1); \ |
| 412 | auto length = i.InputOperand32(2); \ |
| 413 | auto value = i.InputFloat##width##Register(3); \ |
| 414 | __ Cmp(offset, length); \ |
| 415 | Label done; \ |
| 416 | __ B(hs, &done); \ |
| 417 | __ Str(value, MemOperand(buffer, offset, UXTW)); \ |
| 418 | __ Bind(&done); \ |
| 419 | } while (0) |
| 420 | |
| 421 | |
| 422 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr) \ |
| 423 | do { \ |
| 424 | auto buffer = i.InputRegister(0); \ |
| 425 | auto offset = i.InputRegister32(1); \ |
| 426 | auto length = i.InputOperand32(2); \ |
| 427 | auto value = i.InputRegister32(3); \ |
| 428 | __ Cmp(offset, length); \ |
| 429 | Label done; \ |
| 430 | __ B(hs, &done); \ |
| 431 | __ asm_instr(value, MemOperand(buffer, offset, UXTW)); \ |
| 432 | __ Bind(&done); \ |
| 433 | } while (0) |
| 434 | |
| 435 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 436 | #define ASSEMBLE_CHECKED_STORE_INTEGER_64(asm_instr) \ |
| 437 | do { \ |
| 438 | auto buffer = i.InputRegister(0); \ |
| 439 | auto offset = i.InputRegister32(1); \ |
| 440 | auto length = i.InputOperand32(2); \ |
| 441 | auto value = i.InputRegister(3); \ |
| 442 | __ Cmp(offset, length); \ |
| 443 | Label done; \ |
| 444 | __ B(hs, &done); \ |
| 445 | __ asm_instr(value, MemOperand(buffer, offset, UXTW)); \ |
| 446 | __ Bind(&done); \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 447 | } while (0) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 448 | |
| 449 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 450 | #define ASSEMBLE_SHIFT(asm_instr, width) \ |
| 451 | do { \ |
| 452 | if (instr->InputAt(1)->IsRegister()) { \ |
| 453 | __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), \ |
| 454 | i.InputRegister##width(1)); \ |
| 455 | } else { \ |
| 456 | uint32_t imm = \ |
| 457 | static_cast<uint32_t>(i.InputOperand##width(1).ImmediateValue()); \ |
| 458 | __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), \ |
| 459 | imm % (width)); \ |
| 460 | } \ |
| 461 | } while (0) |
| 462 | |
| 463 | |
| 464 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 465 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 466 | if (sp_slot_delta > 0) { |
| 467 | __ Drop(sp_slot_delta); |
| 468 | } |
| 469 | frame_access_state()->SetFrameAccessToDefault(); |
| 470 | } |
| 471 | |
| 472 | |
| 473 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 474 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 475 | if (sp_slot_delta < 0) { |
| 476 | __ Claim(-sp_slot_delta); |
| 477 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 478 | } |
| 479 | if (frame()->needs_frame()) { |
| 480 | __ Ldr(lr, MemOperand(fp, StandardFrameConstants::kCallerPCOffset)); |
| 481 | __ Ldr(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); |
| 482 | } |
| 483 | frame_access_state()->SetFrameAccessToSP(); |
| 484 | } |
| 485 | |
| 486 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 487 | // Assembles an instruction after register allocation, producing machine code. |
| 488 | void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
| 489 | Arm64OperandConverter i(this, instr); |
| 490 | InstructionCode opcode = instr->opcode(); |
| 491 | switch (ArchOpcodeField::decode(opcode)) { |
| 492 | case kArchCallCodeObject: { |
| 493 | EnsureSpaceForLazyDeopt(); |
| 494 | if (instr->InputAt(0)->IsImmediate()) { |
| 495 | __ Call(Handle<Code>::cast(i.InputHeapObject(0)), |
| 496 | RelocInfo::CODE_TARGET); |
| 497 | } else { |
| 498 | Register target = i.InputRegister(0); |
| 499 | __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); |
| 500 | __ Call(target); |
| 501 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 502 | frame_access_state()->ClearSPDelta(); |
| 503 | RecordCallPosition(instr); |
| 504 | break; |
| 505 | } |
| 506 | case kArchTailCallCodeObject: { |
| 507 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 508 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 509 | if (instr->InputAt(0)->IsImmediate()) { |
| 510 | __ Jump(Handle<Code>::cast(i.InputHeapObject(0)), |
| 511 | RelocInfo::CODE_TARGET); |
| 512 | } else { |
| 513 | Register target = i.InputRegister(0); |
| 514 | __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); |
| 515 | __ Jump(target); |
| 516 | } |
| 517 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 518 | break; |
| 519 | } |
| 520 | case kArchCallJSFunction: { |
| 521 | EnsureSpaceForLazyDeopt(); |
| 522 | Register func = i.InputRegister(0); |
| 523 | if (FLAG_debug_code) { |
| 524 | // Check the function's context matches the context argument. |
| 525 | UseScratchRegisterScope scope(masm()); |
| 526 | Register temp = scope.AcquireX(); |
| 527 | __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset)); |
| 528 | __ cmp(cp, temp); |
| 529 | __ Assert(eq, kWrongFunctionContext); |
| 530 | } |
| 531 | __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 532 | __ Call(x10); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 533 | frame_access_state()->ClearSPDelta(); |
| 534 | RecordCallPosition(instr); |
| 535 | break; |
| 536 | } |
| 537 | case kArchTailCallJSFunction: { |
| 538 | Register func = i.InputRegister(0); |
| 539 | if (FLAG_debug_code) { |
| 540 | // Check the function's context matches the context argument. |
| 541 | UseScratchRegisterScope scope(masm()); |
| 542 | Register temp = scope.AcquireX(); |
| 543 | __ Ldr(temp, FieldMemOperand(func, JSFunction::kContextOffset)); |
| 544 | __ cmp(cp, temp); |
| 545 | __ Assert(eq, kWrongFunctionContext); |
| 546 | } |
| 547 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 548 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 549 | __ Ldr(x10, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 550 | __ Jump(x10); |
| 551 | frame_access_state()->ClearSPDelta(); |
| 552 | break; |
| 553 | } |
| 554 | case kArchLazyBailout: { |
| 555 | EnsureSpaceForLazyDeopt(); |
| 556 | RecordCallPosition(instr); |
| 557 | break; |
| 558 | } |
| 559 | case kArchPrepareCallCFunction: |
| 560 | // We don't need kArchPrepareCallCFunction on arm64 as the instruction |
| 561 | // selector already perform a Claim to reserve space on the stack and |
| 562 | // guarantee correct alignment of stack pointer. |
| 563 | UNREACHABLE(); |
| 564 | break; |
| 565 | case kArchPrepareTailCall: |
| 566 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 567 | break; |
| 568 | case kArchCallCFunction: { |
| 569 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 570 | if (instr->InputAt(0)->IsImmediate()) { |
| 571 | ExternalReference ref = i.InputExternalReference(0); |
| 572 | __ CallCFunction(ref, num_parameters, 0); |
| 573 | } else { |
| 574 | Register func = i.InputRegister(0); |
| 575 | __ CallCFunction(func, num_parameters, 0); |
| 576 | } |
| 577 | // CallCFunction only supports register arguments so we never need to call |
| 578 | // frame()->ClearOutgoingParameterSlots() here. |
| 579 | DCHECK(frame_access_state()->sp_delta() == 0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 580 | break; |
| 581 | } |
| 582 | case kArchJmp: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 583 | AssembleArchJump(i.InputRpo(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 584 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 585 | case kArchTableSwitch: |
| 586 | AssembleArchTableSwitch(instr); |
| 587 | break; |
| 588 | case kArchLookupSwitch: |
| 589 | AssembleArchLookupSwitch(instr); |
| 590 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 591 | case kArchNop: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 592 | case kArchThrowTerminator: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 593 | // don't emit code for nops. |
| 594 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 595 | case kArchDeoptimize: { |
| 596 | int deopt_state_id = |
| 597 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 598 | Deoptimizer::BailoutType bailout_type = |
| 599 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
| 600 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 601 | break; |
| 602 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 603 | case kArchRet: |
| 604 | AssembleReturn(); |
| 605 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 606 | case kArchStackPointer: |
| 607 | __ mov(i.OutputRegister(), masm()->StackPointer()); |
| 608 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 609 | case kArchFramePointer: |
| 610 | __ mov(i.OutputRegister(), fp); |
| 611 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 612 | case kArchTruncateDoubleToI: |
| 613 | __ TruncateDoubleToI(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 614 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 615 | case kArchStoreWithWriteBarrier: { |
| 616 | RecordWriteMode mode = |
| 617 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 618 | Register object = i.InputRegister(0); |
| 619 | Register index = i.InputRegister(1); |
| 620 | Register value = i.InputRegister(2); |
| 621 | Register scratch0 = i.TempRegister(0); |
| 622 | Register scratch1 = i.TempRegister(1); |
| 623 | auto ool = new (zone()) OutOfLineRecordWrite(this, object, index, value, |
| 624 | scratch0, scratch1, mode); |
| 625 | __ Str(value, MemOperand(object, index)); |
| 626 | __ CheckPageFlagSet(object, scratch0, |
| 627 | MemoryChunk::kPointersFromHereAreInterestingMask, |
| 628 | ool->entry()); |
| 629 | __ Bind(ool->exit()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 630 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 631 | } |
| 632 | case kArm64Float32RoundDown: |
| 633 | __ Frintm(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 634 | break; |
| 635 | case kArm64Float64RoundDown: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 636 | __ Frintm(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 637 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 638 | case kArm64Float32RoundUp: |
| 639 | __ Frintp(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 640 | break; |
| 641 | case kArm64Float64RoundUp: |
| 642 | __ Frintp(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 643 | break; |
| 644 | case kArm64Float64RoundTiesAway: |
| 645 | __ Frinta(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 646 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 647 | case kArm64Float32RoundTruncate: |
| 648 | __ Frintz(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 649 | break; |
| 650 | case kArm64Float64RoundTruncate: |
| 651 | __ Frintz(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 652 | break; |
| 653 | case kArm64Float32RoundTiesEven: |
| 654 | __ Frintn(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 655 | break; |
| 656 | case kArm64Float64RoundTiesEven: |
| 657 | __ Frintn(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 658 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 659 | case kArm64Add: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 660 | if (FlagsModeField::decode(opcode) != kFlags_none) { |
| 661 | __ Adds(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 662 | i.InputOperand2_64(1)); |
| 663 | } else { |
| 664 | __ Add(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 665 | i.InputOperand2_64(1)); |
| 666 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 667 | break; |
| 668 | case kArm64Add32: |
| 669 | if (FlagsModeField::decode(opcode) != kFlags_none) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 670 | __ Adds(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 671 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 672 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 673 | __ Add(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 674 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 675 | } |
| 676 | break; |
| 677 | case kArm64And: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 678 | __ And(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 679 | i.InputOperand2_64(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 680 | break; |
| 681 | case kArm64And32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 682 | __ And(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 683 | i.InputOperand2_32(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 684 | break; |
| 685 | case kArm64Bic: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 686 | __ Bic(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 687 | i.InputOperand2_64(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 688 | break; |
| 689 | case kArm64Bic32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 690 | __ Bic(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 691 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 692 | break; |
| 693 | case kArm64Mul: |
| 694 | __ Mul(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 695 | break; |
| 696 | case kArm64Mul32: |
| 697 | __ Mul(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1)); |
| 698 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 699 | case kArm64Smull: |
| 700 | __ Smull(i.OutputRegister(), i.InputRegister32(0), i.InputRegister32(1)); |
| 701 | break; |
| 702 | case kArm64Umull: |
| 703 | __ Umull(i.OutputRegister(), i.InputRegister32(0), i.InputRegister32(1)); |
| 704 | break; |
| 705 | case kArm64Madd: |
| 706 | __ Madd(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 707 | i.InputRegister(2)); |
| 708 | break; |
| 709 | case kArm64Madd32: |
| 710 | __ Madd(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1), |
| 711 | i.InputRegister32(2)); |
| 712 | break; |
| 713 | case kArm64Msub: |
| 714 | __ Msub(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 715 | i.InputRegister(2)); |
| 716 | break; |
| 717 | case kArm64Msub32: |
| 718 | __ Msub(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1), |
| 719 | i.InputRegister32(2)); |
| 720 | break; |
| 721 | case kArm64Mneg: |
| 722 | __ Mneg(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 723 | break; |
| 724 | case kArm64Mneg32: |
| 725 | __ Mneg(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1)); |
| 726 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 727 | case kArm64Idiv: |
| 728 | __ Sdiv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 729 | break; |
| 730 | case kArm64Idiv32: |
| 731 | __ Sdiv(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1)); |
| 732 | break; |
| 733 | case kArm64Udiv: |
| 734 | __ Udiv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 735 | break; |
| 736 | case kArm64Udiv32: |
| 737 | __ Udiv(i.OutputRegister32(), i.InputRegister32(0), i.InputRegister32(1)); |
| 738 | break; |
| 739 | case kArm64Imod: { |
| 740 | UseScratchRegisterScope scope(masm()); |
| 741 | Register temp = scope.AcquireX(); |
| 742 | __ Sdiv(temp, i.InputRegister(0), i.InputRegister(1)); |
| 743 | __ Msub(i.OutputRegister(), temp, i.InputRegister(1), i.InputRegister(0)); |
| 744 | break; |
| 745 | } |
| 746 | case kArm64Imod32: { |
| 747 | UseScratchRegisterScope scope(masm()); |
| 748 | Register temp = scope.AcquireW(); |
| 749 | __ Sdiv(temp, i.InputRegister32(0), i.InputRegister32(1)); |
| 750 | __ Msub(i.OutputRegister32(), temp, i.InputRegister32(1), |
| 751 | i.InputRegister32(0)); |
| 752 | break; |
| 753 | } |
| 754 | case kArm64Umod: { |
| 755 | UseScratchRegisterScope scope(masm()); |
| 756 | Register temp = scope.AcquireX(); |
| 757 | __ Udiv(temp, i.InputRegister(0), i.InputRegister(1)); |
| 758 | __ Msub(i.OutputRegister(), temp, i.InputRegister(1), i.InputRegister(0)); |
| 759 | break; |
| 760 | } |
| 761 | case kArm64Umod32: { |
| 762 | UseScratchRegisterScope scope(masm()); |
| 763 | Register temp = scope.AcquireW(); |
| 764 | __ Udiv(temp, i.InputRegister32(0), i.InputRegister32(1)); |
| 765 | __ Msub(i.OutputRegister32(), temp, i.InputRegister32(1), |
| 766 | i.InputRegister32(0)); |
| 767 | break; |
| 768 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 769 | case kArm64Not: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 770 | __ Mvn(i.OutputRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 771 | break; |
| 772 | case kArm64Not32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 773 | __ Mvn(i.OutputRegister32(), i.InputOperand32(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 774 | break; |
| 775 | case kArm64Or: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 776 | __ Orr(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 777 | i.InputOperand2_64(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 778 | break; |
| 779 | case kArm64Or32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 780 | __ Orr(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 781 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 782 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 783 | case kArm64Orn: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 784 | __ Orn(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 785 | i.InputOperand2_64(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 786 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 787 | case kArm64Orn32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 788 | __ Orn(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 789 | i.InputOperand2_32(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 790 | break; |
| 791 | case kArm64Eor: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 792 | __ Eor(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 793 | i.InputOperand2_64(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 794 | break; |
| 795 | case kArm64Eor32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 796 | __ Eor(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 797 | i.InputOperand2_32(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 798 | break; |
| 799 | case kArm64Eon: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 800 | __ Eon(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 801 | i.InputOperand2_64(1)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 802 | break; |
| 803 | case kArm64Eon32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 804 | __ Eon(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
| 805 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 806 | break; |
| 807 | case kArm64Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 808 | if (FlagsModeField::decode(opcode) != kFlags_none) { |
| 809 | __ Subs(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 810 | i.InputOperand2_64(1)); |
| 811 | } else { |
| 812 | __ Sub(i.OutputRegister(), i.InputOrZeroRegister64(0), |
| 813 | i.InputOperand2_64(1)); |
| 814 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 815 | break; |
| 816 | case kArm64Sub32: |
| 817 | if (FlagsModeField::decode(opcode) != kFlags_none) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 818 | __ Subs(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 819 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 820 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 821 | __ Sub(i.OutputRegister32(), i.InputOrZeroRegister32(0), |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 822 | i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 823 | } |
| 824 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 825 | case kArm64Lsl: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 826 | ASSEMBLE_SHIFT(Lsl, 64); |
| 827 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 828 | case kArm64Lsl32: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 829 | ASSEMBLE_SHIFT(Lsl, 32); |
| 830 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 831 | case kArm64Lsr: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 832 | ASSEMBLE_SHIFT(Lsr, 64); |
| 833 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 834 | case kArm64Lsr32: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 835 | ASSEMBLE_SHIFT(Lsr, 32); |
| 836 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 837 | case kArm64Asr: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 838 | ASSEMBLE_SHIFT(Asr, 64); |
| 839 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 840 | case kArm64Asr32: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 841 | ASSEMBLE_SHIFT(Asr, 32); |
| 842 | break; |
| 843 | case kArm64Ror: |
| 844 | ASSEMBLE_SHIFT(Ror, 64); |
| 845 | break; |
| 846 | case kArm64Ror32: |
| 847 | ASSEMBLE_SHIFT(Ror, 32); |
| 848 | break; |
| 849 | case kArm64Mov32: |
| 850 | __ Mov(i.OutputRegister32(), i.InputRegister32(0)); |
| 851 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 852 | case kArm64Sxtb32: |
| 853 | __ Sxtb(i.OutputRegister32(), i.InputRegister32(0)); |
| 854 | break; |
| 855 | case kArm64Sxth32: |
| 856 | __ Sxth(i.OutputRegister32(), i.InputRegister32(0)); |
| 857 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 858 | case kArm64Sxtw: |
| 859 | __ Sxtw(i.OutputRegister(), i.InputRegister32(0)); |
| 860 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 861 | case kArm64Sbfx32: |
| 862 | __ Sbfx(i.OutputRegister32(), i.InputRegister32(0), i.InputInt5(1), |
| 863 | i.InputInt5(2)); |
| 864 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 865 | case kArm64Ubfx: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 866 | __ Ubfx(i.OutputRegister(), i.InputRegister(0), i.InputInt6(1), |
| 867 | i.InputInt6(2)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 868 | break; |
| 869 | case kArm64Ubfx32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 870 | __ Ubfx(i.OutputRegister32(), i.InputRegister32(0), i.InputInt5(1), |
| 871 | i.InputInt5(2)); |
| 872 | break; |
| 873 | case kArm64Ubfiz32: |
| 874 | __ Ubfiz(i.OutputRegister32(), i.InputRegister32(0), i.InputInt5(1), |
| 875 | i.InputInt5(2)); |
| 876 | break; |
| 877 | case kArm64Bfi: |
| 878 | __ Bfi(i.OutputRegister(), i.InputRegister(1), i.InputInt6(2), |
| 879 | i.InputInt6(3)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 880 | break; |
| 881 | case kArm64TestAndBranch32: |
| 882 | case kArm64TestAndBranch: |
| 883 | // Pseudo instructions turned into tbz/tbnz in AssembleArchBranch. |
| 884 | break; |
| 885 | case kArm64CompareAndBranch32: |
| 886 | // Pseudo instruction turned into cbz/cbnz in AssembleArchBranch. |
| 887 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 888 | case kArm64ClaimForCallArguments: { |
| 889 | __ Claim(i.InputInt32(0)); |
| 890 | frame_access_state()->IncreaseSPDelta(i.InputInt32(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 891 | break; |
| 892 | } |
| 893 | case kArm64Poke: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 894 | Operand operand(i.InputInt32(1) * kPointerSize); |
| 895 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 896 | __ Poke(i.InputFloat64Register(0), operand); |
| 897 | } else { |
| 898 | __ Poke(i.InputRegister(0), operand); |
| 899 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 900 | break; |
| 901 | } |
| 902 | case kArm64PokePair: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 903 | int slot = i.InputInt32(2) - 1; |
| 904 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 905 | __ PokePair(i.InputFloat64Register(1), i.InputFloat64Register(0), |
| 906 | slot * kPointerSize); |
| 907 | } else { |
| 908 | __ PokePair(i.InputRegister(1), i.InputRegister(0), |
| 909 | slot * kPointerSize); |
| 910 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 911 | break; |
| 912 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 913 | case kArm64Clz: |
| 914 | __ Clz(i.OutputRegister64(), i.InputRegister64(0)); |
| 915 | break; |
| 916 | case kArm64Clz32: |
| 917 | __ Clz(i.OutputRegister32(), i.InputRegister32(0)); |
| 918 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 919 | case kArm64Cmp: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 920 | __ Cmp(i.InputOrZeroRegister64(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 921 | break; |
| 922 | case kArm64Cmp32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 923 | __ Cmp(i.InputOrZeroRegister32(0), i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 924 | break; |
| 925 | case kArm64Cmn: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 926 | __ Cmn(i.InputOrZeroRegister64(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 927 | break; |
| 928 | case kArm64Cmn32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 929 | __ Cmn(i.InputOrZeroRegister32(0), i.InputOperand2_32(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 930 | break; |
| 931 | case kArm64Tst: |
| 932 | __ Tst(i.InputRegister(0), i.InputOperand(1)); |
| 933 | break; |
| 934 | case kArm64Tst32: |
| 935 | __ Tst(i.InputRegister32(0), i.InputOperand32(1)); |
| 936 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 937 | case kArm64Float32Cmp: |
| 938 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 939 | __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1)); |
| 940 | } else { |
| 941 | DCHECK(instr->InputAt(1)->IsImmediate()); |
| 942 | // 0.0 is the only immediate supported by fcmp instructions. |
| 943 | DCHECK(i.InputFloat32(1) == 0.0f); |
| 944 | __ Fcmp(i.InputFloat32Register(0), i.InputFloat32(1)); |
| 945 | } |
| 946 | break; |
| 947 | case kArm64Float32Add: |
| 948 | __ Fadd(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 949 | i.InputFloat32Register(1)); |
| 950 | break; |
| 951 | case kArm64Float32Sub: |
| 952 | __ Fsub(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 953 | i.InputFloat32Register(1)); |
| 954 | break; |
| 955 | case kArm64Float32Mul: |
| 956 | __ Fmul(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 957 | i.InputFloat32Register(1)); |
| 958 | break; |
| 959 | case kArm64Float32Div: |
| 960 | __ Fdiv(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 961 | i.InputFloat32Register(1)); |
| 962 | break; |
| 963 | case kArm64Float32Max: |
| 964 | // (b < a) ? a : b |
| 965 | __ Fcmp(i.InputFloat32Register(1), i.InputFloat32Register(0)); |
| 966 | __ Fcsel(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 967 | i.InputFloat32Register(1), lo); |
| 968 | break; |
| 969 | case kArm64Float32Min: |
| 970 | // (a < b) ? a : b |
| 971 | __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1)); |
| 972 | __ Fcsel(i.OutputFloat32Register(), i.InputFloat32Register(0), |
| 973 | i.InputFloat32Register(1), lo); |
| 974 | break; |
| 975 | case kArm64Float32Abs: |
| 976 | __ Fabs(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 977 | break; |
| 978 | case kArm64Float32Sqrt: |
| 979 | __ Fsqrt(i.OutputFloat32Register(), i.InputFloat32Register(0)); |
| 980 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 981 | case kArm64Float64Cmp: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 982 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 983 | __ Fcmp(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 984 | } else { |
| 985 | DCHECK(instr->InputAt(1)->IsImmediate()); |
| 986 | // 0.0 is the only immediate supported by fcmp instructions. |
| 987 | DCHECK(i.InputDouble(1) == 0.0); |
| 988 | __ Fcmp(i.InputDoubleRegister(0), i.InputDouble(1)); |
| 989 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 990 | break; |
| 991 | case kArm64Float64Add: |
| 992 | __ Fadd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 993 | i.InputDoubleRegister(1)); |
| 994 | break; |
| 995 | case kArm64Float64Sub: |
| 996 | __ Fsub(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 997 | i.InputDoubleRegister(1)); |
| 998 | break; |
| 999 | case kArm64Float64Mul: |
| 1000 | __ Fmul(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1001 | i.InputDoubleRegister(1)); |
| 1002 | break; |
| 1003 | case kArm64Float64Div: |
| 1004 | __ Fdiv(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1005 | i.InputDoubleRegister(1)); |
| 1006 | break; |
| 1007 | case kArm64Float64Mod: { |
| 1008 | // TODO(dcarney): implement directly. See note in lithium-codegen-arm64.cc |
| 1009 | FrameScope scope(masm(), StackFrame::MANUAL); |
| 1010 | DCHECK(d0.is(i.InputDoubleRegister(0))); |
| 1011 | DCHECK(d1.is(i.InputDoubleRegister(1))); |
| 1012 | DCHECK(d0.is(i.OutputDoubleRegister())); |
| 1013 | // TODO(dcarney): make sure this saves all relevant registers. |
| 1014 | __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()), |
| 1015 | 0, 2); |
| 1016 | break; |
| 1017 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1018 | case kArm64Float64Max: |
| 1019 | // (b < a) ? a : b |
| 1020 | __ Fcmp(i.InputDoubleRegister(1), i.InputDoubleRegister(0)); |
| 1021 | __ Fcsel(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1022 | i.InputDoubleRegister(1), lo); |
| 1023 | break; |
| 1024 | case kArm64Float64Min: |
| 1025 | // (a < b) ? a : b |
| 1026 | __ Fcmp(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 1027 | __ Fcsel(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1028 | i.InputDoubleRegister(1), lo); |
| 1029 | break; |
| 1030 | case kArm64Float64Abs: |
| 1031 | __ Fabs(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 1032 | break; |
| 1033 | case kArm64Float64Neg: |
| 1034 | __ Fneg(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 1035 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1036 | case kArm64Float64Sqrt: |
| 1037 | __ Fsqrt(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 1038 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1039 | case kArm64Float32ToFloat64: |
| 1040 | __ Fcvt(i.OutputDoubleRegister(), i.InputDoubleRegister(0).S()); |
| 1041 | break; |
| 1042 | case kArm64Float64ToFloat32: |
| 1043 | __ Fcvt(i.OutputDoubleRegister().S(), i.InputDoubleRegister(0)); |
| 1044 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1045 | case kArm64Float64ToInt32: |
| 1046 | __ Fcvtzs(i.OutputRegister32(), i.InputDoubleRegister(0)); |
| 1047 | break; |
| 1048 | case kArm64Float64ToUint32: |
| 1049 | __ Fcvtzu(i.OutputRegister32(), i.InputDoubleRegister(0)); |
| 1050 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1051 | case kArm64Float32ToInt64: |
| 1052 | __ Fcvtzs(i.OutputRegister64(), i.InputFloat32Register(0)); |
| 1053 | if (i.OutputCount() > 1) { |
| 1054 | __ Mov(i.OutputRegister(1), 1); |
| 1055 | Label done; |
| 1056 | __ Cmp(i.OutputRegister(0), 1); |
| 1057 | __ Ccmp(i.OutputRegister(0), -1, VFlag, vc); |
| 1058 | __ Fccmp(i.InputFloat32Register(0), i.InputFloat32Register(0), VFlag, |
| 1059 | vc); |
| 1060 | __ B(vc, &done); |
| 1061 | __ Fcmp(i.InputFloat32Register(0), static_cast<float>(INT64_MIN)); |
| 1062 | __ Cset(i.OutputRegister(1), eq); |
| 1063 | __ Bind(&done); |
| 1064 | } |
| 1065 | break; |
| 1066 | case kArm64Float64ToInt64: |
| 1067 | __ Fcvtzs(i.OutputRegister(0), i.InputDoubleRegister(0)); |
| 1068 | if (i.OutputCount() > 1) { |
| 1069 | __ Mov(i.OutputRegister(1), 1); |
| 1070 | Label done; |
| 1071 | __ Cmp(i.OutputRegister(0), 1); |
| 1072 | __ Ccmp(i.OutputRegister(0), -1, VFlag, vc); |
| 1073 | __ Fccmp(i.InputDoubleRegister(0), i.InputDoubleRegister(0), VFlag, vc); |
| 1074 | __ B(vc, &done); |
| 1075 | __ Fcmp(i.InputDoubleRegister(0), static_cast<double>(INT64_MIN)); |
| 1076 | __ Cset(i.OutputRegister(1), eq); |
| 1077 | __ Bind(&done); |
| 1078 | } |
| 1079 | break; |
| 1080 | case kArm64Float32ToUint64: |
| 1081 | __ Fcvtzu(i.OutputRegister64(), i.InputFloat32Register(0)); |
| 1082 | if (i.OutputCount() > 1) { |
| 1083 | __ Fcmp(i.InputFloat32Register(0), -1.0); |
| 1084 | __ Ccmp(i.OutputRegister(0), -1, ZFlag, gt); |
| 1085 | __ Cset(i.OutputRegister(1), ne); |
| 1086 | } |
| 1087 | break; |
| 1088 | case kArm64Float64ToUint64: |
| 1089 | __ Fcvtzu(i.OutputRegister64(), i.InputDoubleRegister(0)); |
| 1090 | if (i.OutputCount() > 1) { |
| 1091 | __ Fcmp(i.InputDoubleRegister(0), -1.0); |
| 1092 | __ Ccmp(i.OutputRegister(0), -1, ZFlag, gt); |
| 1093 | __ Cset(i.OutputRegister(1), ne); |
| 1094 | } |
| 1095 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1096 | case kArm64Int32ToFloat64: |
| 1097 | __ Scvtf(i.OutputDoubleRegister(), i.InputRegister32(0)); |
| 1098 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1099 | case kArm64Int64ToFloat32: |
| 1100 | __ Scvtf(i.OutputDoubleRegister().S(), i.InputRegister64(0)); |
| 1101 | break; |
| 1102 | case kArm64Int64ToFloat64: |
| 1103 | __ Scvtf(i.OutputDoubleRegister(), i.InputRegister64(0)); |
| 1104 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1105 | case kArm64Uint32ToFloat64: |
| 1106 | __ Ucvtf(i.OutputDoubleRegister(), i.InputRegister32(0)); |
| 1107 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1108 | case kArm64Uint64ToFloat32: |
| 1109 | __ Ucvtf(i.OutputDoubleRegister().S(), i.InputRegister64(0)); |
| 1110 | break; |
| 1111 | case kArm64Uint64ToFloat64: |
| 1112 | __ Ucvtf(i.OutputDoubleRegister(), i.InputRegister64(0)); |
| 1113 | break; |
| 1114 | case kArm64Float64ExtractLowWord32: |
| 1115 | __ Fmov(i.OutputRegister32(), i.InputFloat32Register(0)); |
| 1116 | break; |
| 1117 | case kArm64Float64ExtractHighWord32: |
| 1118 | // TODO(arm64): This should use MOV (to general) when NEON is supported. |
| 1119 | __ Fmov(i.OutputRegister(), i.InputFloat64Register(0)); |
| 1120 | __ Lsr(i.OutputRegister(), i.OutputRegister(), 32); |
| 1121 | break; |
| 1122 | case kArm64Float64InsertLowWord32: { |
| 1123 | // TODO(arm64): This should use MOV (from general) when NEON is supported. |
| 1124 | UseScratchRegisterScope scope(masm()); |
| 1125 | Register tmp = scope.AcquireX(); |
| 1126 | __ Fmov(tmp, i.InputFloat64Register(0)); |
| 1127 | __ Bfi(tmp, i.InputRegister(1), 0, 32); |
| 1128 | __ Fmov(i.OutputFloat64Register(), tmp); |
| 1129 | break; |
| 1130 | } |
| 1131 | case kArm64Float64InsertHighWord32: { |
| 1132 | // TODO(arm64): This should use MOV (from general) when NEON is supported. |
| 1133 | UseScratchRegisterScope scope(masm()); |
| 1134 | Register tmp = scope.AcquireX(); |
| 1135 | __ Fmov(tmp.W(), i.InputFloat32Register(0)); |
| 1136 | __ Bfi(tmp, i.InputRegister(1), 32, 32); |
| 1137 | __ Fmov(i.OutputFloat64Register(), tmp); |
| 1138 | break; |
| 1139 | } |
| 1140 | case kArm64Float64MoveU64: |
| 1141 | __ Fmov(i.OutputFloat64Register(), i.InputRegister(0)); |
| 1142 | break; |
| 1143 | case kArm64U64MoveFloat64: |
| 1144 | __ Fmov(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1145 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1146 | case kArm64Ldrb: |
| 1147 | __ Ldrb(i.OutputRegister(), i.MemoryOperand()); |
| 1148 | break; |
| 1149 | case kArm64Ldrsb: |
| 1150 | __ Ldrsb(i.OutputRegister(), i.MemoryOperand()); |
| 1151 | break; |
| 1152 | case kArm64Strb: |
| 1153 | __ Strb(i.InputRegister(2), i.MemoryOperand()); |
| 1154 | break; |
| 1155 | case kArm64Ldrh: |
| 1156 | __ Ldrh(i.OutputRegister(), i.MemoryOperand()); |
| 1157 | break; |
| 1158 | case kArm64Ldrsh: |
| 1159 | __ Ldrsh(i.OutputRegister(), i.MemoryOperand()); |
| 1160 | break; |
| 1161 | case kArm64Strh: |
| 1162 | __ Strh(i.InputRegister(2), i.MemoryOperand()); |
| 1163 | break; |
| 1164 | case kArm64LdrW: |
| 1165 | __ Ldr(i.OutputRegister32(), i.MemoryOperand()); |
| 1166 | break; |
| 1167 | case kArm64StrW: |
| 1168 | __ Str(i.InputRegister32(2), i.MemoryOperand()); |
| 1169 | break; |
| 1170 | case kArm64Ldr: |
| 1171 | __ Ldr(i.OutputRegister(), i.MemoryOperand()); |
| 1172 | break; |
| 1173 | case kArm64Str: |
| 1174 | __ Str(i.InputRegister(2), i.MemoryOperand()); |
| 1175 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1176 | case kArm64LdrS: |
| 1177 | __ Ldr(i.OutputDoubleRegister().S(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1178 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1179 | case kArm64StrS: |
| 1180 | __ Str(i.InputDoubleRegister(2).S(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1181 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1182 | case kArm64LdrD: |
| 1183 | __ Ldr(i.OutputDoubleRegister(), i.MemoryOperand()); |
| 1184 | break; |
| 1185 | case kArm64StrD: |
| 1186 | __ Str(i.InputDoubleRegister(2), i.MemoryOperand()); |
| 1187 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1188 | case kCheckedLoadInt8: |
| 1189 | ASSEMBLE_CHECKED_LOAD_INTEGER(Ldrsb); |
| 1190 | break; |
| 1191 | case kCheckedLoadUint8: |
| 1192 | ASSEMBLE_CHECKED_LOAD_INTEGER(Ldrb); |
| 1193 | break; |
| 1194 | case kCheckedLoadInt16: |
| 1195 | ASSEMBLE_CHECKED_LOAD_INTEGER(Ldrsh); |
| 1196 | break; |
| 1197 | case kCheckedLoadUint16: |
| 1198 | ASSEMBLE_CHECKED_LOAD_INTEGER(Ldrh); |
| 1199 | break; |
| 1200 | case kCheckedLoadWord32: |
| 1201 | ASSEMBLE_CHECKED_LOAD_INTEGER(Ldr); |
| 1202 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1203 | case kCheckedLoadWord64: |
| 1204 | ASSEMBLE_CHECKED_LOAD_INTEGER_64(Ldr); |
| 1205 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1206 | case kCheckedLoadFloat32: |
| 1207 | ASSEMBLE_CHECKED_LOAD_FLOAT(32); |
| 1208 | break; |
| 1209 | case kCheckedLoadFloat64: |
| 1210 | ASSEMBLE_CHECKED_LOAD_FLOAT(64); |
| 1211 | break; |
| 1212 | case kCheckedStoreWord8: |
| 1213 | ASSEMBLE_CHECKED_STORE_INTEGER(Strb); |
| 1214 | break; |
| 1215 | case kCheckedStoreWord16: |
| 1216 | ASSEMBLE_CHECKED_STORE_INTEGER(Strh); |
| 1217 | break; |
| 1218 | case kCheckedStoreWord32: |
| 1219 | ASSEMBLE_CHECKED_STORE_INTEGER(Str); |
| 1220 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1221 | case kCheckedStoreWord64: |
| 1222 | ASSEMBLE_CHECKED_STORE_INTEGER_64(Str); |
| 1223 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1224 | case kCheckedStoreFloat32: |
| 1225 | ASSEMBLE_CHECKED_STORE_FLOAT(32); |
| 1226 | break; |
| 1227 | case kCheckedStoreFloat64: |
| 1228 | ASSEMBLE_CHECKED_STORE_FLOAT(64); |
| 1229 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1230 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1231 | } // NOLINT(readability/fn_size) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1232 | |
| 1233 | |
| 1234 | // Assemble branches after this instruction. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1235 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1236 | Arm64OperandConverter i(this, instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1237 | Label* tlabel = branch->true_label; |
| 1238 | Label* flabel = branch->false_label; |
| 1239 | FlagsCondition condition = branch->condition; |
| 1240 | ArchOpcode opcode = instr->arch_opcode(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1241 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1242 | if (opcode == kArm64CompareAndBranch32) { |
| 1243 | switch (condition) { |
| 1244 | case kEqual: |
| 1245 | __ Cbz(i.InputRegister32(0), tlabel); |
| 1246 | break; |
| 1247 | case kNotEqual: |
| 1248 | __ Cbnz(i.InputRegister32(0), tlabel); |
| 1249 | break; |
| 1250 | default: |
| 1251 | UNREACHABLE(); |
| 1252 | } |
| 1253 | } else if (opcode == kArm64TestAndBranch32) { |
| 1254 | switch (condition) { |
| 1255 | case kEqual: |
| 1256 | __ Tbz(i.InputRegister32(0), i.InputInt5(1), tlabel); |
| 1257 | break; |
| 1258 | case kNotEqual: |
| 1259 | __ Tbnz(i.InputRegister32(0), i.InputInt5(1), tlabel); |
| 1260 | break; |
| 1261 | default: |
| 1262 | UNREACHABLE(); |
| 1263 | } |
| 1264 | } else if (opcode == kArm64TestAndBranch) { |
| 1265 | switch (condition) { |
| 1266 | case kEqual: |
| 1267 | __ Tbz(i.InputRegister64(0), i.InputInt6(1), tlabel); |
| 1268 | break; |
| 1269 | case kNotEqual: |
| 1270 | __ Tbnz(i.InputRegister64(0), i.InputInt6(1), tlabel); |
| 1271 | break; |
| 1272 | default: |
| 1273 | UNREACHABLE(); |
| 1274 | } |
| 1275 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1276 | Condition cc = FlagsConditionToCondition(condition); |
| 1277 | __ B(cc, tlabel); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1278 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1279 | if (!branch->fallthru) __ B(flabel); // no fallthru to flabel. |
| 1280 | } |
| 1281 | |
| 1282 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1283 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1284 | if (!IsNextInAssemblyOrder(target)) __ B(GetLabel(target)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | |
| 1288 | // Assemble boolean materializations after this instruction. |
| 1289 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1290 | FlagsCondition condition) { |
| 1291 | Arm64OperandConverter i(this, instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1292 | |
| 1293 | // Materialize a full 64-bit 1 or 0 value. The result register is always the |
| 1294 | // last output of the instruction. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1295 | DCHECK_NE(0u, instr->OutputCount()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1296 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1297 | Condition cc = FlagsConditionToCondition(condition); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1298 | __ Cset(reg, cc); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1299 | } |
| 1300 | |
| 1301 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1302 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1303 | Arm64OperandConverter i(this, instr); |
| 1304 | Register input = i.InputRegister32(0); |
| 1305 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
| 1306 | __ Cmp(input, i.InputInt32(index + 0)); |
| 1307 | __ B(eq, GetLabel(i.InputRpo(index + 1))); |
| 1308 | } |
| 1309 | AssembleArchJump(i.InputRpo(1)); |
| 1310 | } |
| 1311 | |
| 1312 | |
| 1313 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1314 | Arm64OperandConverter i(this, instr); |
| 1315 | UseScratchRegisterScope scope(masm()); |
| 1316 | Register input = i.InputRegister32(0); |
| 1317 | Register temp = scope.AcquireX(); |
| 1318 | size_t const case_count = instr->InputCount() - 2; |
| 1319 | Label table; |
| 1320 | __ Cmp(input, case_count); |
| 1321 | __ B(hs, GetLabel(i.InputRpo(1))); |
| 1322 | __ Adr(temp, &table); |
| 1323 | __ Add(temp, temp, Operand(input, UXTW, 2)); |
| 1324 | __ Br(temp); |
| 1325 | __ StartBlockPools(); |
| 1326 | __ Bind(&table); |
| 1327 | for (size_t index = 0; index < case_count; ++index) { |
| 1328 | __ B(GetLabel(i.InputRpo(index + 2))); |
| 1329 | } |
| 1330 | __ EndBlockPools(); |
| 1331 | } |
| 1332 | |
| 1333 | |
| 1334 | void CodeGenerator::AssembleDeoptimizerCall( |
| 1335 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1336 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1337 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1338 | __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1339 | } |
| 1340 | |
| 1341 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1342 | void CodeGenerator::AssemblePrologue() { |
| 1343 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1344 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1345 | __ SetStackPointer(csp); |
| 1346 | __ Push(lr, fp); |
| 1347 | __ Mov(fp, csp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1348 | } else if (descriptor->IsJSFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1349 | __ SetStackPointer(jssp); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1350 | __ Prologue(this->info()->GeneratePreagedPrologue()); |
| 1351 | } else if (frame()->needs_frame()) { |
| 1352 | if (descriptor->UseNativeStack()) { |
| 1353 | __ SetStackPointer(csp); |
| 1354 | } else { |
| 1355 | __ SetStackPointer(jssp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1356 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1357 | __ StubPrologue(); |
| 1358 | } else { |
| 1359 | if (descriptor->UseNativeStack()) { |
| 1360 | __ SetStackPointer(csp); |
| 1361 | } else { |
| 1362 | __ SetStackPointer(jssp); |
| 1363 | } |
| 1364 | frame()->SetElidedFrameSizeInSlots(0); |
| 1365 | } |
| 1366 | frame_access_state()->SetFrameAccessToDefault(); |
| 1367 | |
| 1368 | int stack_shrink_slots = frame()->GetSpillSlotCount(); |
| 1369 | if (info()->is_osr()) { |
| 1370 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1371 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1372 | |
| 1373 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1374 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1375 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1376 | // remaining stack slots. |
| 1377 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1378 | osr_pc_offset_ = __ pc_offset(); |
| 1379 | // TODO(titzer): cannot address target function == local #-1 |
| 1380 | __ ldr(x1, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1381 | stack_shrink_slots -= OsrHelper(info()).UnoptimizedFrameSlots(); |
| 1382 | } |
| 1383 | |
| 1384 | // If frame()->needs_frame() is false, then |
| 1385 | // frame()->AlignSavedCalleeRegisterSlots() is guaranteed to return 0. |
| 1386 | if (csp.Is(masm()->StackPointer()) && frame()->needs_frame()) { |
| 1387 | // The system stack pointer requires 16-byte alignment at function call |
| 1388 | // boundaries. |
| 1389 | |
| 1390 | stack_shrink_slots += frame()->AlignSavedCalleeRegisterSlots(); |
| 1391 | } |
| 1392 | __ Claim(stack_shrink_slots); |
| 1393 | |
| 1394 | // Save FP registers. |
| 1395 | CPURegList saves_fp = CPURegList(CPURegister::kFPRegister, kDRegSizeInBits, |
| 1396 | descriptor->CalleeSavedFPRegisters()); |
| 1397 | int saved_count = saves_fp.Count(); |
| 1398 | if (saved_count != 0) { |
| 1399 | DCHECK(saves_fp.list() == CPURegList::GetCalleeSavedFP().list()); |
| 1400 | __ PushCPURegList(saves_fp); |
| 1401 | frame()->AllocateSavedCalleeRegisterSlots(saved_count * |
| 1402 | (kDoubleSize / kPointerSize)); |
| 1403 | } |
| 1404 | // Save registers. |
| 1405 | // TODO(palfia): TF save list is not in sync with |
| 1406 | // CPURegList::GetCalleeSaved(): x30 is missing. |
| 1407 | // DCHECK(saves.list() == CPURegList::GetCalleeSaved().list()); |
| 1408 | CPURegList saves = CPURegList(CPURegister::kRegister, kXRegSizeInBits, |
| 1409 | descriptor->CalleeSavedRegisters()); |
| 1410 | saved_count = saves.Count(); |
| 1411 | if (saved_count != 0) { |
| 1412 | __ PushCPURegList(saves); |
| 1413 | frame()->AllocateSavedCalleeRegisterSlots(saved_count); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1414 | } |
| 1415 | } |
| 1416 | |
| 1417 | |
| 1418 | void CodeGenerator::AssembleReturn() { |
| 1419 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1420 | |
| 1421 | // Restore registers. |
| 1422 | CPURegList saves = CPURegList(CPURegister::kRegister, kXRegSizeInBits, |
| 1423 | descriptor->CalleeSavedRegisters()); |
| 1424 | if (saves.Count() != 0) { |
| 1425 | __ PopCPURegList(saves); |
| 1426 | } |
| 1427 | |
| 1428 | // Restore fp registers. |
| 1429 | CPURegList saves_fp = CPURegList(CPURegister::kFPRegister, kDRegSizeInBits, |
| 1430 | descriptor->CalleeSavedFPRegisters()); |
| 1431 | if (saves_fp.Count() != 0) { |
| 1432 | __ PopCPURegList(saves_fp); |
| 1433 | } |
| 1434 | |
| 1435 | int pop_count = static_cast<int>(descriptor->StackParameterCount()); |
| 1436 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1437 | __ Mov(csp, fp); |
| 1438 | __ Pop(fp, lr); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1439 | } else if (frame()->needs_frame()) { |
| 1440 | // Canonicalize JSFunction return sites for now. |
| 1441 | if (return_label_.is_bound()) { |
| 1442 | __ B(&return_label_); |
| 1443 | return; |
| 1444 | } else { |
| 1445 | __ Bind(&return_label_); |
| 1446 | if (descriptor->UseNativeStack()) { |
| 1447 | __ Mov(csp, fp); |
| 1448 | } else { |
| 1449 | __ Mov(jssp, fp); |
| 1450 | } |
| 1451 | __ Pop(fp, lr); |
| 1452 | } |
| 1453 | } else if (descriptor->UseNativeStack()) { |
| 1454 | pop_count += (pop_count & 1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1455 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1456 | __ Drop(pop_count); |
| 1457 | __ Ret(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1458 | } |
| 1459 | |
| 1460 | |
| 1461 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1462 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1463 | Arm64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1464 | // Dispatch on the source and destination operand kinds. Not all |
| 1465 | // combinations are possible. |
| 1466 | if (source->IsRegister()) { |
| 1467 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1468 | Register src = g.ToRegister(source); |
| 1469 | if (destination->IsRegister()) { |
| 1470 | __ Mov(g.ToRegister(destination), src); |
| 1471 | } else { |
| 1472 | __ Str(src, g.ToMemOperand(destination, masm())); |
| 1473 | } |
| 1474 | } else if (source->IsStackSlot()) { |
| 1475 | MemOperand src = g.ToMemOperand(source, masm()); |
| 1476 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1477 | if (destination->IsRegister()) { |
| 1478 | __ Ldr(g.ToRegister(destination), src); |
| 1479 | } else { |
| 1480 | UseScratchRegisterScope scope(masm()); |
| 1481 | Register temp = scope.AcquireX(); |
| 1482 | __ Ldr(temp, src); |
| 1483 | __ Str(temp, g.ToMemOperand(destination, masm())); |
| 1484 | } |
| 1485 | } else if (source->IsConstant()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1486 | Constant src = g.ToConstant(ConstantOperand::cast(source)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1487 | if (destination->IsRegister() || destination->IsStackSlot()) { |
| 1488 | UseScratchRegisterScope scope(masm()); |
| 1489 | Register dst = destination->IsRegister() ? g.ToRegister(destination) |
| 1490 | : scope.AcquireX(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1491 | if (src.type() == Constant::kHeapObject) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1492 | Handle<HeapObject> src_object = src.ToHeapObject(); |
| 1493 | Heap::RootListIndex index; |
| 1494 | int offset; |
| 1495 | if (IsMaterializableFromFrame(src_object, &offset)) { |
| 1496 | __ Ldr(dst, MemOperand(fp, offset)); |
| 1497 | } else if (IsMaterializableFromRoot(src_object, &index)) { |
| 1498 | __ LoadRoot(dst, index); |
| 1499 | } else { |
| 1500 | __ LoadObject(dst, src_object); |
| 1501 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1502 | } else { |
| 1503 | __ Mov(dst, g.ToImmediate(source)); |
| 1504 | } |
| 1505 | if (destination->IsStackSlot()) { |
| 1506 | __ Str(dst, g.ToMemOperand(destination, masm())); |
| 1507 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1508 | } else if (src.type() == Constant::kFloat32) { |
| 1509 | if (destination->IsDoubleRegister()) { |
| 1510 | FPRegister dst = g.ToDoubleRegister(destination).S(); |
| 1511 | __ Fmov(dst, src.ToFloat32()); |
| 1512 | } else { |
| 1513 | DCHECK(destination->IsDoubleStackSlot()); |
| 1514 | UseScratchRegisterScope scope(masm()); |
| 1515 | FPRegister temp = scope.AcquireS(); |
| 1516 | __ Fmov(temp, src.ToFloat32()); |
| 1517 | __ Str(temp, g.ToMemOperand(destination, masm())); |
| 1518 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1519 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1520 | DCHECK_EQ(Constant::kFloat64, src.type()); |
| 1521 | if (destination->IsDoubleRegister()) { |
| 1522 | FPRegister dst = g.ToDoubleRegister(destination); |
| 1523 | __ Fmov(dst, src.ToFloat64()); |
| 1524 | } else { |
| 1525 | DCHECK(destination->IsDoubleStackSlot()); |
| 1526 | UseScratchRegisterScope scope(masm()); |
| 1527 | FPRegister temp = scope.AcquireD(); |
| 1528 | __ Fmov(temp, src.ToFloat64()); |
| 1529 | __ Str(temp, g.ToMemOperand(destination, masm())); |
| 1530 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1531 | } |
| 1532 | } else if (source->IsDoubleRegister()) { |
| 1533 | FPRegister src = g.ToDoubleRegister(source); |
| 1534 | if (destination->IsDoubleRegister()) { |
| 1535 | FPRegister dst = g.ToDoubleRegister(destination); |
| 1536 | __ Fmov(dst, src); |
| 1537 | } else { |
| 1538 | DCHECK(destination->IsDoubleStackSlot()); |
| 1539 | __ Str(src, g.ToMemOperand(destination, masm())); |
| 1540 | } |
| 1541 | } else if (source->IsDoubleStackSlot()) { |
| 1542 | DCHECK(destination->IsDoubleRegister() || destination->IsDoubleStackSlot()); |
| 1543 | MemOperand src = g.ToMemOperand(source, masm()); |
| 1544 | if (destination->IsDoubleRegister()) { |
| 1545 | __ Ldr(g.ToDoubleRegister(destination), src); |
| 1546 | } else { |
| 1547 | UseScratchRegisterScope scope(masm()); |
| 1548 | FPRegister temp = scope.AcquireD(); |
| 1549 | __ Ldr(temp, src); |
| 1550 | __ Str(temp, g.ToMemOperand(destination, masm())); |
| 1551 | } |
| 1552 | } else { |
| 1553 | UNREACHABLE(); |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | |
| 1558 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 1559 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1560 | Arm64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1561 | // Dispatch on the source and destination operand kinds. Not all |
| 1562 | // combinations are possible. |
| 1563 | if (source->IsRegister()) { |
| 1564 | // Register-register. |
| 1565 | UseScratchRegisterScope scope(masm()); |
| 1566 | Register temp = scope.AcquireX(); |
| 1567 | Register src = g.ToRegister(source); |
| 1568 | if (destination->IsRegister()) { |
| 1569 | Register dst = g.ToRegister(destination); |
| 1570 | __ Mov(temp, src); |
| 1571 | __ Mov(src, dst); |
| 1572 | __ Mov(dst, temp); |
| 1573 | } else { |
| 1574 | DCHECK(destination->IsStackSlot()); |
| 1575 | MemOperand dst = g.ToMemOperand(destination, masm()); |
| 1576 | __ Mov(temp, src); |
| 1577 | __ Ldr(src, dst); |
| 1578 | __ Str(temp, dst); |
| 1579 | } |
| 1580 | } else if (source->IsStackSlot() || source->IsDoubleStackSlot()) { |
| 1581 | UseScratchRegisterScope scope(masm()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1582 | DoubleRegister temp_0 = scope.AcquireD(); |
| 1583 | DoubleRegister temp_1 = scope.AcquireD(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1584 | MemOperand src = g.ToMemOperand(source, masm()); |
| 1585 | MemOperand dst = g.ToMemOperand(destination, masm()); |
| 1586 | __ Ldr(temp_0, src); |
| 1587 | __ Ldr(temp_1, dst); |
| 1588 | __ Str(temp_0, dst); |
| 1589 | __ Str(temp_1, src); |
| 1590 | } else if (source->IsDoubleRegister()) { |
| 1591 | UseScratchRegisterScope scope(masm()); |
| 1592 | FPRegister temp = scope.AcquireD(); |
| 1593 | FPRegister src = g.ToDoubleRegister(source); |
| 1594 | if (destination->IsDoubleRegister()) { |
| 1595 | FPRegister dst = g.ToDoubleRegister(destination); |
| 1596 | __ Fmov(temp, src); |
| 1597 | __ Fmov(src, dst); |
| 1598 | __ Fmov(dst, temp); |
| 1599 | } else { |
| 1600 | DCHECK(destination->IsDoubleStackSlot()); |
| 1601 | MemOperand dst = g.ToMemOperand(destination, masm()); |
| 1602 | __ Fmov(temp, src); |
| 1603 | __ Ldr(src, dst); |
| 1604 | __ Str(temp, dst); |
| 1605 | } |
| 1606 | } else { |
| 1607 | // No other combinations are possible. |
| 1608 | UNREACHABLE(); |
| 1609 | } |
| 1610 | } |
| 1611 | |
| 1612 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1613 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 1614 | // On 64-bit ARM we emit the jump tables inline. |
| 1615 | UNREACHABLE(); |
| 1616 | } |
| 1617 | |
| 1618 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1619 | void CodeGenerator::AddNopForSmiCodeInlining() { __ movz(xzr, 0); } |
| 1620 | |
| 1621 | |
| 1622 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1623 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 1624 | return; |
| 1625 | } |
| 1626 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1627 | int space_needed = Deoptimizer::patch_size(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1628 | // Ensure that we have enough space after the previous lazy-bailout |
| 1629 | // instruction for patching the code here. |
| 1630 | intptr_t current_pc = masm()->pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1631 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1632 | if (current_pc < (last_lazy_deopt_pc_ + space_needed)) { |
| 1633 | intptr_t padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 1634 | DCHECK((padding_size % kInstructionSize) == 0); |
| 1635 | InstructionAccurateScope instruction_accurate( |
| 1636 | masm(), padding_size / kInstructionSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1637 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1638 | while (padding_size > 0) { |
| 1639 | __ nop(); |
| 1640 | padding_size -= kInstructionSize; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1641 | } |
| 1642 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1643 | } |
| 1644 | |
| 1645 | #undef __ |
| 1646 | |
| 1647 | } // namespace compiler |
| 1648 | } // namespace internal |
| 1649 | } // namespace v8 |