Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 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/ast/scopes.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/compiler/code-generator-impl.h" |
| 9 | #include "src/compiler/gap-resolver.h" |
| 10 | #include "src/compiler/node-matchers.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 11 | #include "src/compiler/osr.h" |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 12 | #include "src/frames.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 13 | #include "src/ia32/assembler-ia32.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 14 | #include "src/ia32/frames-ia32.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 15 | #include "src/ia32/macro-assembler-ia32.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 16 | |
| 17 | namespace v8 { |
| 18 | namespace internal { |
| 19 | namespace compiler { |
| 20 | |
| 21 | #define __ masm()-> |
| 22 | |
| 23 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 24 | #define kScratchDoubleReg xmm0 |
| 25 | |
| 26 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 27 | // Adds IA-32 specific methods for decoding operands. |
| 28 | class IA32OperandConverter : public InstructionOperandConverter { |
| 29 | public: |
| 30 | IA32OperandConverter(CodeGenerator* gen, Instruction* instr) |
| 31 | : InstructionOperandConverter(gen, instr) {} |
| 32 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 33 | Operand InputOperand(size_t index, int extra = 0) { |
| 34 | return ToOperand(instr_->InputAt(index), extra); |
| 35 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 36 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 37 | Immediate InputImmediate(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 38 | return ToImmediate(instr_->InputAt(index)); |
| 39 | } |
| 40 | |
| 41 | Operand OutputOperand() { return ToOperand(instr_->Output()); } |
| 42 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 43 | Operand ToOperand(InstructionOperand* op, int extra = 0) { |
| 44 | if (op->IsRegister()) { |
| 45 | DCHECK(extra == 0); |
| 46 | return Operand(ToRegister(op)); |
| 47 | } else if (op->IsDoubleRegister()) { |
| 48 | DCHECK(extra == 0); |
| 49 | return Operand(ToDoubleRegister(op)); |
| 50 | } |
| 51 | DCHECK(op->IsStackSlot() || op->IsDoubleStackSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 52 | FrameOffset offset = frame_access_state()->GetFrameOffset( |
| 53 | AllocatedOperand::cast(op)->index()); |
| 54 | return Operand(offset.from_stack_pointer() ? esp : ebp, |
| 55 | offset.offset() + extra); |
| 56 | } |
| 57 | |
| 58 | Operand ToMaterializableOperand(int materializable_offset) { |
| 59 | FrameOffset offset = frame_access_state()->GetFrameOffset( |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 60 | FPOffsetToFrameSlot(materializable_offset)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 61 | return Operand(offset.from_stack_pointer() ? esp : ebp, offset.offset()); |
| 62 | } |
| 63 | |
| 64 | Operand HighOperand(InstructionOperand* op) { |
| 65 | DCHECK(op->IsDoubleStackSlot()); |
| 66 | return ToOperand(op, kPointerSize); |
| 67 | } |
| 68 | |
| 69 | Immediate ToImmediate(InstructionOperand* operand) { |
| 70 | Constant constant = ToConstant(operand); |
| 71 | switch (constant.type()) { |
| 72 | case Constant::kInt32: |
| 73 | return Immediate(constant.ToInt32()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 74 | case Constant::kFloat32: |
| 75 | return Immediate( |
| 76 | isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 77 | case Constant::kFloat64: |
| 78 | return Immediate( |
| 79 | isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED)); |
| 80 | case Constant::kExternalReference: |
| 81 | return Immediate(constant.ToExternalReference()); |
| 82 | case Constant::kHeapObject: |
| 83 | return Immediate(constant.ToHeapObject()); |
| 84 | case Constant::kInt64: |
| 85 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 86 | case Constant::kRpoNumber: |
| 87 | return Immediate::CodeRelativeOffset(ToLabel(operand)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 88 | } |
| 89 | UNREACHABLE(); |
| 90 | return Immediate(-1); |
| 91 | } |
| 92 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 93 | static size_t NextOffset(size_t* offset) { |
| 94 | size_t i = *offset; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 95 | (*offset)++; |
| 96 | return i; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 97 | } |
| 98 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 99 | static ScaleFactor ScaleFor(AddressingMode one, AddressingMode mode) { |
| 100 | STATIC_ASSERT(0 == static_cast<int>(times_1)); |
| 101 | STATIC_ASSERT(1 == static_cast<int>(times_2)); |
| 102 | STATIC_ASSERT(2 == static_cast<int>(times_4)); |
| 103 | STATIC_ASSERT(3 == static_cast<int>(times_8)); |
| 104 | int scale = static_cast<int>(mode - one); |
| 105 | DCHECK(scale >= 0 && scale < 4); |
| 106 | return static_cast<ScaleFactor>(scale); |
| 107 | } |
| 108 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 109 | Operand MemoryOperand(size_t* offset) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 110 | AddressingMode mode = AddressingModeField::decode(instr_->opcode()); |
| 111 | switch (mode) { |
| 112 | case kMode_MR: { |
| 113 | Register base = InputRegister(NextOffset(offset)); |
| 114 | int32_t disp = 0; |
| 115 | return Operand(base, disp); |
| 116 | } |
| 117 | case kMode_MRI: { |
| 118 | Register base = InputRegister(NextOffset(offset)); |
| 119 | int32_t disp = InputInt32(NextOffset(offset)); |
| 120 | return Operand(base, disp); |
| 121 | } |
| 122 | case kMode_MR1: |
| 123 | case kMode_MR2: |
| 124 | case kMode_MR4: |
| 125 | case kMode_MR8: { |
| 126 | Register base = InputRegister(NextOffset(offset)); |
| 127 | Register index = InputRegister(NextOffset(offset)); |
| 128 | ScaleFactor scale = ScaleFor(kMode_MR1, mode); |
| 129 | int32_t disp = 0; |
| 130 | return Operand(base, index, scale, disp); |
| 131 | } |
| 132 | case kMode_MR1I: |
| 133 | case kMode_MR2I: |
| 134 | case kMode_MR4I: |
| 135 | case kMode_MR8I: { |
| 136 | Register base = InputRegister(NextOffset(offset)); |
| 137 | Register index = InputRegister(NextOffset(offset)); |
| 138 | ScaleFactor scale = ScaleFor(kMode_MR1I, mode); |
| 139 | int32_t disp = InputInt32(NextOffset(offset)); |
| 140 | return Operand(base, index, scale, disp); |
| 141 | } |
| 142 | case kMode_M1: |
| 143 | case kMode_M2: |
| 144 | case kMode_M4: |
| 145 | case kMode_M8: { |
| 146 | Register index = InputRegister(NextOffset(offset)); |
| 147 | ScaleFactor scale = ScaleFor(kMode_M1, mode); |
| 148 | int32_t disp = 0; |
| 149 | return Operand(index, scale, disp); |
| 150 | } |
| 151 | case kMode_M1I: |
| 152 | case kMode_M2I: |
| 153 | case kMode_M4I: |
| 154 | case kMode_M8I: { |
| 155 | Register index = InputRegister(NextOffset(offset)); |
| 156 | ScaleFactor scale = ScaleFor(kMode_M1I, mode); |
| 157 | int32_t disp = InputInt32(NextOffset(offset)); |
| 158 | return Operand(index, scale, disp); |
| 159 | } |
| 160 | case kMode_MI: { |
| 161 | int32_t disp = InputInt32(NextOffset(offset)); |
| 162 | return Operand(Immediate(disp)); |
| 163 | } |
| 164 | case kMode_None: |
| 165 | UNREACHABLE(); |
| 166 | return Operand(no_reg, 0); |
| 167 | } |
| 168 | UNREACHABLE(); |
| 169 | return Operand(no_reg, 0); |
| 170 | } |
| 171 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 172 | Operand MemoryOperand(size_t first_input = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 173 | return MemoryOperand(&first_input); |
| 174 | } |
| 175 | }; |
| 176 | |
| 177 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 178 | namespace { |
| 179 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 180 | bool HasImmediateInput(Instruction* instr, size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 181 | return instr->InputAt(index)->IsImmediate(); |
| 182 | } |
| 183 | |
| 184 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 185 | class OutOfLineLoadInteger final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 186 | public: |
| 187 | OutOfLineLoadInteger(CodeGenerator* gen, Register result) |
| 188 | : OutOfLineCode(gen), result_(result) {} |
| 189 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 190 | void Generate() final { __ xor_(result_, result_); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 191 | |
| 192 | private: |
| 193 | Register const result_; |
| 194 | }; |
| 195 | |
| 196 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 197 | class OutOfLineLoadFloat final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 198 | public: |
| 199 | OutOfLineLoadFloat(CodeGenerator* gen, XMMRegister result) |
| 200 | : OutOfLineCode(gen), result_(result) {} |
| 201 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 202 | void Generate() final { __ pcmpeqd(result_, result_); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 203 | |
| 204 | private: |
| 205 | XMMRegister const result_; |
| 206 | }; |
| 207 | |
| 208 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 209 | class OutOfLineTruncateDoubleToI final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 210 | public: |
| 211 | OutOfLineTruncateDoubleToI(CodeGenerator* gen, Register result, |
| 212 | XMMRegister input) |
| 213 | : OutOfLineCode(gen), result_(result), input_(input) {} |
| 214 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 215 | void Generate() final { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 216 | __ sub(esp, Immediate(kDoubleSize)); |
| 217 | __ movsd(MemOperand(esp, 0), input_); |
| 218 | __ SlowTruncateToI(result_, esp, 0); |
| 219 | __ add(esp, Immediate(kDoubleSize)); |
| 220 | } |
| 221 | |
| 222 | private: |
| 223 | Register const result_; |
| 224 | XMMRegister const input_; |
| 225 | }; |
| 226 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 227 | |
| 228 | class OutOfLineRecordWrite final : public OutOfLineCode { |
| 229 | public: |
| 230 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, Operand operand, |
| 231 | Register value, Register scratch0, Register scratch1, |
| 232 | RecordWriteMode mode) |
| 233 | : OutOfLineCode(gen), |
| 234 | object_(object), |
| 235 | operand_(operand), |
| 236 | value_(value), |
| 237 | scratch0_(scratch0), |
| 238 | scratch1_(scratch1), |
| 239 | mode_(mode) {} |
| 240 | |
| 241 | void Generate() final { |
| 242 | if (mode_ > RecordWriteMode::kValueIsPointer) { |
| 243 | __ JumpIfSmi(value_, exit()); |
| 244 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 245 | __ CheckPageFlag(value_, scratch0_, |
| 246 | MemoryChunk::kPointersToHereAreInterestingMask, zero, |
| 247 | exit()); |
| 248 | RememberedSetAction const remembered_set_action = |
| 249 | mode_ > RecordWriteMode::kValueIsMap ? EMIT_REMEMBERED_SET |
| 250 | : OMIT_REMEMBERED_SET; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 251 | SaveFPRegsMode const save_fp_mode = |
| 252 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
| 253 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 254 | remembered_set_action, save_fp_mode); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 255 | __ lea(scratch1_, operand_); |
| 256 | __ CallStub(&stub); |
| 257 | } |
| 258 | |
| 259 | private: |
| 260 | Register const object_; |
| 261 | Operand const operand_; |
| 262 | Register const value_; |
| 263 | Register const scratch0_; |
| 264 | Register const scratch1_; |
| 265 | RecordWriteMode const mode_; |
| 266 | }; |
| 267 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 268 | } // namespace |
| 269 | |
| 270 | |
| 271 | #define ASSEMBLE_CHECKED_LOAD_FLOAT(asm_instr) \ |
| 272 | do { \ |
| 273 | auto result = i.OutputDoubleRegister(); \ |
| 274 | auto offset = i.InputRegister(0); \ |
| 275 | if (instr->InputAt(1)->IsRegister()) { \ |
| 276 | __ cmp(offset, i.InputRegister(1)); \ |
| 277 | } else { \ |
| 278 | __ cmp(offset, i.InputImmediate(1)); \ |
| 279 | } \ |
| 280 | OutOfLineCode* ool = new (zone()) OutOfLineLoadFloat(this, result); \ |
| 281 | __ j(above_equal, ool->entry()); \ |
| 282 | __ asm_instr(result, i.MemoryOperand(2)); \ |
| 283 | __ bind(ool->exit()); \ |
| 284 | } while (false) |
| 285 | |
| 286 | |
| 287 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr) \ |
| 288 | do { \ |
| 289 | auto result = i.OutputRegister(); \ |
| 290 | auto offset = i.InputRegister(0); \ |
| 291 | if (instr->InputAt(1)->IsRegister()) { \ |
| 292 | __ cmp(offset, i.InputRegister(1)); \ |
| 293 | } else { \ |
| 294 | __ cmp(offset, i.InputImmediate(1)); \ |
| 295 | } \ |
| 296 | OutOfLineCode* ool = new (zone()) OutOfLineLoadInteger(this, result); \ |
| 297 | __ j(above_equal, ool->entry()); \ |
| 298 | __ asm_instr(result, i.MemoryOperand(2)); \ |
| 299 | __ bind(ool->exit()); \ |
| 300 | } while (false) |
| 301 | |
| 302 | |
| 303 | #define ASSEMBLE_CHECKED_STORE_FLOAT(asm_instr) \ |
| 304 | do { \ |
| 305 | auto offset = i.InputRegister(0); \ |
| 306 | if (instr->InputAt(1)->IsRegister()) { \ |
| 307 | __ cmp(offset, i.InputRegister(1)); \ |
| 308 | } else { \ |
| 309 | __ cmp(offset, i.InputImmediate(1)); \ |
| 310 | } \ |
| 311 | Label done; \ |
| 312 | __ j(above_equal, &done, Label::kNear); \ |
| 313 | __ asm_instr(i.MemoryOperand(3), i.InputDoubleRegister(2)); \ |
| 314 | __ bind(&done); \ |
| 315 | } while (false) |
| 316 | |
| 317 | |
| 318 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr) \ |
| 319 | do { \ |
| 320 | auto offset = i.InputRegister(0); \ |
| 321 | if (instr->InputAt(1)->IsRegister()) { \ |
| 322 | __ cmp(offset, i.InputRegister(1)); \ |
| 323 | } else { \ |
| 324 | __ cmp(offset, i.InputImmediate(1)); \ |
| 325 | } \ |
| 326 | Label done; \ |
| 327 | __ j(above_equal, &done, Label::kNear); \ |
| 328 | if (instr->InputAt(2)->IsRegister()) { \ |
| 329 | __ asm_instr(i.MemoryOperand(3), i.InputRegister(2)); \ |
| 330 | } else { \ |
| 331 | __ asm_instr(i.MemoryOperand(3), i.InputImmediate(2)); \ |
| 332 | } \ |
| 333 | __ bind(&done); \ |
| 334 | } while (false) |
| 335 | |
| 336 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 337 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 338 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 339 | if (sp_slot_delta > 0) { |
| 340 | __ add(esp, Immediate(sp_slot_delta * kPointerSize)); |
| 341 | } |
| 342 | frame_access_state()->SetFrameAccessToDefault(); |
| 343 | } |
| 344 | |
| 345 | |
| 346 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 347 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 348 | if (sp_slot_delta < 0) { |
| 349 | __ sub(esp, Immediate(-sp_slot_delta * kPointerSize)); |
| 350 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 351 | } |
| 352 | if (frame()->needs_frame()) { |
| 353 | __ mov(ebp, MemOperand(ebp, 0)); |
| 354 | } |
| 355 | frame_access_state()->SetFrameAccessToSP(); |
| 356 | } |
| 357 | |
| 358 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 359 | // Assembles an instruction after register allocation, producing machine code. |
| 360 | void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
| 361 | IA32OperandConverter i(this, instr); |
| 362 | |
| 363 | switch (ArchOpcodeField::decode(instr->opcode())) { |
| 364 | case kArchCallCodeObject: { |
| 365 | EnsureSpaceForLazyDeopt(); |
| 366 | if (HasImmediateInput(instr, 0)) { |
| 367 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 368 | __ call(code, RelocInfo::CODE_TARGET); |
| 369 | } else { |
| 370 | Register reg = i.InputRegister(0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 371 | __ add(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 372 | __ call(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 373 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 374 | RecordCallPosition(instr); |
| 375 | frame_access_state()->ClearSPDelta(); |
| 376 | break; |
| 377 | } |
| 378 | case kArchTailCallCodeObject: { |
| 379 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 380 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 381 | if (HasImmediateInput(instr, 0)) { |
| 382 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 383 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 384 | } else { |
| 385 | Register reg = i.InputRegister(0); |
| 386 | __ add(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 387 | __ jmp(reg); |
| 388 | } |
| 389 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 390 | break; |
| 391 | } |
| 392 | case kArchCallJSFunction: { |
| 393 | EnsureSpaceForLazyDeopt(); |
| 394 | Register func = i.InputRegister(0); |
| 395 | if (FLAG_debug_code) { |
| 396 | // Check the function's context matches the context argument. |
| 397 | __ cmp(esi, FieldOperand(func, JSFunction::kContextOffset)); |
| 398 | __ Assert(equal, kWrongFunctionContext); |
| 399 | } |
| 400 | __ call(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 401 | RecordCallPosition(instr); |
| 402 | frame_access_state()->ClearSPDelta(); |
| 403 | break; |
| 404 | } |
| 405 | case kArchTailCallJSFunction: { |
| 406 | Register func = i.InputRegister(0); |
| 407 | if (FLAG_debug_code) { |
| 408 | // Check the function's context matches the context argument. |
| 409 | __ cmp(esi, FieldOperand(func, JSFunction::kContextOffset)); |
| 410 | __ Assert(equal, kWrongFunctionContext); |
| 411 | } |
| 412 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 413 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 414 | __ jmp(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
| 415 | frame_access_state()->ClearSPDelta(); |
| 416 | break; |
| 417 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 418 | case kArchPrepareCallCFunction: { |
| 419 | // Frame alignment requires using FP-relative frame addressing. |
| 420 | frame_access_state()->SetFrameAccessToFP(); |
| 421 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 422 | __ PrepareCallCFunction(num_parameters, i.TempRegister(0)); |
| 423 | break; |
| 424 | } |
| 425 | case kArchPrepareTailCall: |
| 426 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 427 | break; |
| 428 | case kArchCallCFunction: { |
| 429 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 430 | if (HasImmediateInput(instr, 0)) { |
| 431 | ExternalReference ref = i.InputExternalReference(0); |
| 432 | __ CallCFunction(ref, num_parameters); |
| 433 | } else { |
| 434 | Register func = i.InputRegister(0); |
| 435 | __ CallCFunction(func, num_parameters); |
| 436 | } |
| 437 | frame_access_state()->SetFrameAccessToDefault(); |
| 438 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 439 | break; |
| 440 | } |
| 441 | case kArchJmp: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 442 | AssembleArchJump(i.InputRpo(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 443 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 444 | case kArchLookupSwitch: |
| 445 | AssembleArchLookupSwitch(instr); |
| 446 | break; |
| 447 | case kArchTableSwitch: |
| 448 | AssembleArchTableSwitch(instr); |
| 449 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 450 | case kArchNop: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 451 | case kArchThrowTerminator: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 452 | // don't emit code for nops. |
| 453 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 454 | case kArchDeoptimize: { |
| 455 | int deopt_state_id = |
| 456 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 457 | Deoptimizer::BailoutType bailout_type = |
| 458 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
| 459 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 460 | break; |
| 461 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 462 | case kArchRet: |
| 463 | AssembleReturn(); |
| 464 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 465 | case kArchStackPointer: |
| 466 | __ mov(i.OutputRegister(), esp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 467 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 468 | case kArchFramePointer: |
| 469 | __ mov(i.OutputRegister(), ebp); |
| 470 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 471 | case kArchParentFramePointer: |
| 472 | if (frame_access_state()->frame()->needs_frame()) { |
| 473 | __ mov(i.OutputRegister(), Operand(ebp, 0)); |
| 474 | } else { |
| 475 | __ mov(i.OutputRegister(), ebp); |
| 476 | } |
| 477 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 478 | case kArchTruncateDoubleToI: { |
| 479 | auto result = i.OutputRegister(); |
| 480 | auto input = i.InputDoubleRegister(0); |
| 481 | auto ool = new (zone()) OutOfLineTruncateDoubleToI(this, result, input); |
| 482 | __ cvttsd2si(result, Operand(input)); |
| 483 | __ cmp(result, 1); |
| 484 | __ j(overflow, ool->entry()); |
| 485 | __ bind(ool->exit()); |
| 486 | break; |
| 487 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 488 | case kArchStoreWithWriteBarrier: { |
| 489 | RecordWriteMode mode = |
| 490 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 491 | Register object = i.InputRegister(0); |
| 492 | size_t index = 0; |
| 493 | Operand operand = i.MemoryOperand(&index); |
| 494 | Register value = i.InputRegister(index); |
| 495 | Register scratch0 = i.TempRegister(0); |
| 496 | Register scratch1 = i.TempRegister(1); |
| 497 | auto ool = new (zone()) OutOfLineRecordWrite(this, object, operand, value, |
| 498 | scratch0, scratch1, mode); |
| 499 | __ mov(operand, value); |
| 500 | __ CheckPageFlag(object, scratch0, |
| 501 | MemoryChunk::kPointersFromHereAreInterestingMask, |
| 502 | not_zero, ool->entry()); |
| 503 | __ bind(ool->exit()); |
| 504 | break; |
| 505 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 506 | case kArchStackSlot: { |
| 507 | FrameOffset offset = |
| 508 | frame_access_state()->GetFrameOffset(i.InputInt32(0)); |
| 509 | Register base; |
| 510 | if (offset.from_stack_pointer()) { |
| 511 | base = esp; |
| 512 | } else { |
| 513 | base = ebp; |
| 514 | } |
| 515 | __ lea(i.OutputRegister(), Operand(base, offset.offset())); |
| 516 | break; |
| 517 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 518 | case kIA32Add: |
| 519 | if (HasImmediateInput(instr, 1)) { |
| 520 | __ add(i.InputOperand(0), i.InputImmediate(1)); |
| 521 | } else { |
| 522 | __ add(i.InputRegister(0), i.InputOperand(1)); |
| 523 | } |
| 524 | break; |
| 525 | case kIA32And: |
| 526 | if (HasImmediateInput(instr, 1)) { |
| 527 | __ and_(i.InputOperand(0), i.InputImmediate(1)); |
| 528 | } else { |
| 529 | __ and_(i.InputRegister(0), i.InputOperand(1)); |
| 530 | } |
| 531 | break; |
| 532 | case kIA32Cmp: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 533 | if (AddressingModeField::decode(instr->opcode()) != kMode_None) { |
| 534 | size_t index = 0; |
| 535 | Operand operand = i.MemoryOperand(&index); |
| 536 | if (HasImmediateInput(instr, index)) { |
| 537 | __ cmp(operand, i.InputImmediate(index)); |
| 538 | } else { |
| 539 | __ cmp(operand, i.InputRegister(index)); |
| 540 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 541 | } else { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 542 | if (HasImmediateInput(instr, 1)) { |
| 543 | __ cmp(i.InputOperand(0), i.InputImmediate(1)); |
| 544 | } else { |
| 545 | __ cmp(i.InputRegister(0), i.InputOperand(1)); |
| 546 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 547 | } |
| 548 | break; |
| 549 | case kIA32Test: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 550 | if (AddressingModeField::decode(instr->opcode()) != kMode_None) { |
| 551 | size_t index = 0; |
| 552 | Operand operand = i.MemoryOperand(&index); |
| 553 | if (HasImmediateInput(instr, index)) { |
| 554 | __ test(operand, i.InputImmediate(index)); |
| 555 | } else { |
| 556 | __ test(i.InputRegister(index), operand); |
| 557 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 558 | } else { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 559 | if (HasImmediateInput(instr, 1)) { |
| 560 | __ test(i.InputOperand(0), i.InputImmediate(1)); |
| 561 | } else { |
| 562 | __ test(i.InputRegister(0), i.InputOperand(1)); |
| 563 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 564 | } |
| 565 | break; |
| 566 | case kIA32Imul: |
| 567 | if (HasImmediateInput(instr, 1)) { |
| 568 | __ imul(i.OutputRegister(), i.InputOperand(0), i.InputInt32(1)); |
| 569 | } else { |
| 570 | __ imul(i.OutputRegister(), i.InputOperand(1)); |
| 571 | } |
| 572 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 573 | case kIA32ImulHigh: |
| 574 | __ imul(i.InputRegister(1)); |
| 575 | break; |
| 576 | case kIA32UmulHigh: |
| 577 | __ mul(i.InputRegister(1)); |
| 578 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 579 | case kIA32Idiv: |
| 580 | __ cdq(); |
| 581 | __ idiv(i.InputOperand(1)); |
| 582 | break; |
| 583 | case kIA32Udiv: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 584 | __ Move(edx, Immediate(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 585 | __ div(i.InputOperand(1)); |
| 586 | break; |
| 587 | case kIA32Not: |
| 588 | __ not_(i.OutputOperand()); |
| 589 | break; |
| 590 | case kIA32Neg: |
| 591 | __ neg(i.OutputOperand()); |
| 592 | break; |
| 593 | case kIA32Or: |
| 594 | if (HasImmediateInput(instr, 1)) { |
| 595 | __ or_(i.InputOperand(0), i.InputImmediate(1)); |
| 596 | } else { |
| 597 | __ or_(i.InputRegister(0), i.InputOperand(1)); |
| 598 | } |
| 599 | break; |
| 600 | case kIA32Xor: |
| 601 | if (HasImmediateInput(instr, 1)) { |
| 602 | __ xor_(i.InputOperand(0), i.InputImmediate(1)); |
| 603 | } else { |
| 604 | __ xor_(i.InputRegister(0), i.InputOperand(1)); |
| 605 | } |
| 606 | break; |
| 607 | case kIA32Sub: |
| 608 | if (HasImmediateInput(instr, 1)) { |
| 609 | __ sub(i.InputOperand(0), i.InputImmediate(1)); |
| 610 | } else { |
| 611 | __ sub(i.InputRegister(0), i.InputOperand(1)); |
| 612 | } |
| 613 | break; |
| 614 | case kIA32Shl: |
| 615 | if (HasImmediateInput(instr, 1)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 616 | __ shl(i.OutputOperand(), i.InputInt5(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 617 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 618 | __ shl_cl(i.OutputOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 619 | } |
| 620 | break; |
| 621 | case kIA32Shr: |
| 622 | if (HasImmediateInput(instr, 1)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 623 | __ shr(i.OutputOperand(), i.InputInt5(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 624 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 625 | __ shr_cl(i.OutputOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 626 | } |
| 627 | break; |
| 628 | case kIA32Sar: |
| 629 | if (HasImmediateInput(instr, 1)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 630 | __ sar(i.OutputOperand(), i.InputInt5(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 631 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 632 | __ sar_cl(i.OutputOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 633 | } |
| 634 | break; |
| 635 | case kIA32Ror: |
| 636 | if (HasImmediateInput(instr, 1)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 637 | __ ror(i.OutputOperand(), i.InputInt5(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 638 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 639 | __ ror_cl(i.OutputOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 640 | } |
| 641 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 642 | case kIA32Lzcnt: |
| 643 | __ Lzcnt(i.OutputRegister(), i.InputOperand(0)); |
| 644 | break; |
| 645 | case kIA32Tzcnt: |
| 646 | __ Tzcnt(i.OutputRegister(), i.InputOperand(0)); |
| 647 | break; |
| 648 | case kIA32Popcnt: |
| 649 | __ Popcnt(i.OutputRegister(), i.InputOperand(0)); |
| 650 | break; |
| 651 | case kSSEFloat32Cmp: |
| 652 | __ ucomiss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 653 | break; |
| 654 | case kSSEFloat32Add: |
| 655 | __ addss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 656 | break; |
| 657 | case kSSEFloat32Sub: |
| 658 | __ subss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 659 | break; |
| 660 | case kSSEFloat32Mul: |
| 661 | __ mulss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 662 | break; |
| 663 | case kSSEFloat32Div: |
| 664 | __ divss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 665 | // Don't delete this mov. It may improve performance on some CPUs, |
| 666 | // when there is a (v)mulss depending on the result. |
| 667 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 668 | break; |
| 669 | case kSSEFloat32Max: |
| 670 | __ maxss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 671 | break; |
| 672 | case kSSEFloat32Min: |
| 673 | __ minss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 674 | break; |
| 675 | case kSSEFloat32Sqrt: |
| 676 | __ sqrtss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 677 | break; |
| 678 | case kSSEFloat32Abs: { |
| 679 | // TODO(bmeurer): Use 128-bit constants. |
| 680 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 681 | __ psrlq(kScratchDoubleReg, 33); |
| 682 | __ andps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 683 | break; |
| 684 | } |
| 685 | case kSSEFloat32Neg: { |
| 686 | // TODO(bmeurer): Use 128-bit constants. |
| 687 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 688 | __ psllq(kScratchDoubleReg, 31); |
| 689 | __ xorps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 690 | break; |
| 691 | } |
| 692 | case kSSEFloat32Round: { |
| 693 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
| 694 | RoundingMode const mode = |
| 695 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 696 | __ roundss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
| 697 | break; |
| 698 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 699 | case kSSEFloat64Cmp: |
| 700 | __ ucomisd(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 701 | break; |
| 702 | case kSSEFloat64Add: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 703 | __ addsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 704 | break; |
| 705 | case kSSEFloat64Sub: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 706 | __ subsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 707 | break; |
| 708 | case kSSEFloat64Mul: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 709 | __ mulsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 710 | break; |
| 711 | case kSSEFloat64Div: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 712 | __ divsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 713 | // Don't delete this mov. It may improve performance on some CPUs, |
| 714 | // when there is a (v)mulsd depending on the result. |
| 715 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 716 | break; |
| 717 | case kSSEFloat64Max: |
| 718 | __ maxsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 719 | break; |
| 720 | case kSSEFloat64Min: |
| 721 | __ minsd(i.InputDoubleRegister(0), i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 722 | break; |
| 723 | case kSSEFloat64Mod: { |
| 724 | // TODO(dcarney): alignment is wrong. |
| 725 | __ sub(esp, Immediate(kDoubleSize)); |
| 726 | // Move values to st(0) and st(1). |
| 727 | __ movsd(Operand(esp, 0), i.InputDoubleRegister(1)); |
| 728 | __ fld_d(Operand(esp, 0)); |
| 729 | __ movsd(Operand(esp, 0), i.InputDoubleRegister(0)); |
| 730 | __ fld_d(Operand(esp, 0)); |
| 731 | // Loop while fprem isn't done. |
| 732 | Label mod_loop; |
| 733 | __ bind(&mod_loop); |
| 734 | // This instructions traps on all kinds inputs, but we are assuming the |
| 735 | // floating point control word is set to ignore them all. |
| 736 | __ fprem(); |
| 737 | // The following 2 instruction implicitly use eax. |
| 738 | __ fnstsw_ax(); |
| 739 | __ sahf(); |
| 740 | __ j(parity_even, &mod_loop); |
| 741 | // Move output to stack and clean up. |
| 742 | __ fstp(1); |
| 743 | __ fstp_d(Operand(esp, 0)); |
| 744 | __ movsd(i.OutputDoubleRegister(), Operand(esp, 0)); |
| 745 | __ add(esp, Immediate(kDoubleSize)); |
| 746 | break; |
| 747 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 748 | case kSSEFloat64Abs: { |
| 749 | // TODO(bmeurer): Use 128-bit constants. |
| 750 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 751 | __ psrlq(kScratchDoubleReg, 1); |
| 752 | __ andpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 753 | break; |
| 754 | } |
| 755 | case kSSEFloat64Neg: { |
| 756 | // TODO(bmeurer): Use 128-bit constants. |
| 757 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 758 | __ psllq(kScratchDoubleReg, 63); |
| 759 | __ xorpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 760 | break; |
| 761 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 762 | case kSSEFloat64Sqrt: |
| 763 | __ sqrtsd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 764 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 765 | case kSSEFloat64Round: { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 766 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 767 | RoundingMode const mode = |
| 768 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 769 | __ roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 770 | break; |
| 771 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 772 | case kSSEFloat32ToFloat64: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 773 | __ cvtss2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 774 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 775 | case kSSEFloat64ToFloat32: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 776 | __ cvtsd2ss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 777 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 778 | case kSSEFloat32ToInt32: |
| 779 | __ cvttss2si(i.OutputRegister(), i.InputOperand(0)); |
| 780 | break; |
| 781 | case kSSEFloat32ToUint32: { |
| 782 | Label success; |
| 783 | __ cvttss2si(i.OutputRegister(), i.InputOperand(0)); |
| 784 | __ test(i.OutputRegister(), i.OutputRegister()); |
| 785 | __ j(positive, &success); |
| 786 | __ Move(kScratchDoubleReg, static_cast<float>(INT32_MIN)); |
| 787 | __ addss(kScratchDoubleReg, i.InputOperand(0)); |
| 788 | __ cvttss2si(i.OutputRegister(), kScratchDoubleReg); |
| 789 | __ or_(i.OutputRegister(), Immediate(0x80000000)); |
| 790 | __ bind(&success); |
| 791 | break; |
| 792 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 793 | case kSSEFloat64ToInt32: |
| 794 | __ cvttsd2si(i.OutputRegister(), i.InputOperand(0)); |
| 795 | break; |
| 796 | case kSSEFloat64ToUint32: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 797 | __ Move(kScratchDoubleReg, -2147483648.0); |
| 798 | __ addsd(kScratchDoubleReg, i.InputOperand(0)); |
| 799 | __ cvttsd2si(i.OutputRegister(), kScratchDoubleReg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 800 | __ add(i.OutputRegister(), Immediate(0x80000000)); |
| 801 | break; |
| 802 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 803 | case kSSEInt32ToFloat32: |
| 804 | __ cvtsi2ss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 805 | break; |
| 806 | case kSSEUint32ToFloat32: { |
| 807 | Register scratch0 = i.TempRegister(0); |
| 808 | Register scratch1 = i.TempRegister(1); |
| 809 | __ mov(scratch0, i.InputOperand(0)); |
| 810 | __ Cvtui2ss(i.OutputDoubleRegister(), scratch0, scratch1); |
| 811 | break; |
| 812 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 813 | case kSSEInt32ToFloat64: |
| 814 | __ cvtsi2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 815 | break; |
| 816 | case kSSEUint32ToFloat64: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 817 | __ LoadUint32(i.OutputDoubleRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 818 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 819 | case kSSEFloat64ExtractLowWord32: |
| 820 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 821 | __ mov(i.OutputRegister(), i.InputOperand(0)); |
| 822 | } else { |
| 823 | __ movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 824 | } |
| 825 | break; |
| 826 | case kSSEFloat64ExtractHighWord32: |
| 827 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 828 | __ mov(i.OutputRegister(), i.InputOperand(0, kDoubleSize / 2)); |
| 829 | } else { |
| 830 | __ Pextrd(i.OutputRegister(), i.InputDoubleRegister(0), 1); |
| 831 | } |
| 832 | break; |
| 833 | case kSSEFloat64InsertLowWord32: |
| 834 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 0); |
| 835 | break; |
| 836 | case kSSEFloat64InsertHighWord32: |
| 837 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 1); |
| 838 | break; |
| 839 | case kSSEFloat64LoadLowWord32: |
| 840 | __ movd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 841 | break; |
| 842 | case kAVXFloat32Add: { |
| 843 | CpuFeatureScope avx_scope(masm(), AVX); |
| 844 | __ vaddss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 845 | i.InputOperand(1)); |
| 846 | break; |
| 847 | } |
| 848 | case kAVXFloat32Sub: { |
| 849 | CpuFeatureScope avx_scope(masm(), AVX); |
| 850 | __ vsubss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 851 | i.InputOperand(1)); |
| 852 | break; |
| 853 | } |
| 854 | case kAVXFloat32Mul: { |
| 855 | CpuFeatureScope avx_scope(masm(), AVX); |
| 856 | __ vmulss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 857 | i.InputOperand(1)); |
| 858 | break; |
| 859 | } |
| 860 | case kAVXFloat32Div: { |
| 861 | CpuFeatureScope avx_scope(masm(), AVX); |
| 862 | __ vdivss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 863 | i.InputOperand(1)); |
| 864 | // Don't delete this mov. It may improve performance on some CPUs, |
| 865 | // when there is a (v)mulss depending on the result. |
| 866 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 867 | break; |
| 868 | } |
| 869 | case kAVXFloat32Max: { |
| 870 | CpuFeatureScope avx_scope(masm(), AVX); |
| 871 | __ vmaxss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 872 | i.InputOperand(1)); |
| 873 | break; |
| 874 | } |
| 875 | case kAVXFloat32Min: { |
| 876 | CpuFeatureScope avx_scope(masm(), AVX); |
| 877 | __ vminss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 878 | i.InputOperand(1)); |
| 879 | break; |
| 880 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 881 | case kAVXFloat64Add: { |
| 882 | CpuFeatureScope avx_scope(masm(), AVX); |
| 883 | __ vaddsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 884 | i.InputOperand(1)); |
| 885 | break; |
| 886 | } |
| 887 | case kAVXFloat64Sub: { |
| 888 | CpuFeatureScope avx_scope(masm(), AVX); |
| 889 | __ vsubsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 890 | i.InputOperand(1)); |
| 891 | break; |
| 892 | } |
| 893 | case kAVXFloat64Mul: { |
| 894 | CpuFeatureScope avx_scope(masm(), AVX); |
| 895 | __ vmulsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 896 | i.InputOperand(1)); |
| 897 | break; |
| 898 | } |
| 899 | case kAVXFloat64Div: { |
| 900 | CpuFeatureScope avx_scope(masm(), AVX); |
| 901 | __ vdivsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 902 | i.InputOperand(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 903 | // Don't delete this mov. It may improve performance on some CPUs, |
| 904 | // when there is a (v)mulsd depending on the result. |
| 905 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 906 | break; |
| 907 | } |
| 908 | case kAVXFloat64Max: { |
| 909 | CpuFeatureScope avx_scope(masm(), AVX); |
| 910 | __ vmaxsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 911 | i.InputOperand(1)); |
| 912 | break; |
| 913 | } |
| 914 | case kAVXFloat64Min: { |
| 915 | CpuFeatureScope avx_scope(masm(), AVX); |
| 916 | __ vminsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 917 | i.InputOperand(1)); |
| 918 | break; |
| 919 | } |
| 920 | case kAVXFloat32Abs: { |
| 921 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 922 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 923 | __ psrlq(kScratchDoubleReg, 33); |
| 924 | CpuFeatureScope avx_scope(masm(), AVX); |
| 925 | __ vandps(i.OutputDoubleRegister(), kScratchDoubleReg, i.InputOperand(0)); |
| 926 | break; |
| 927 | } |
| 928 | case kAVXFloat32Neg: { |
| 929 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 930 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 931 | __ psllq(kScratchDoubleReg, 31); |
| 932 | CpuFeatureScope avx_scope(masm(), AVX); |
| 933 | __ vxorps(i.OutputDoubleRegister(), kScratchDoubleReg, i.InputOperand(0)); |
| 934 | break; |
| 935 | } |
| 936 | case kAVXFloat64Abs: { |
| 937 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 938 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 939 | __ psrlq(kScratchDoubleReg, 1); |
| 940 | CpuFeatureScope avx_scope(masm(), AVX); |
| 941 | __ vandpd(i.OutputDoubleRegister(), kScratchDoubleReg, i.InputOperand(0)); |
| 942 | break; |
| 943 | } |
| 944 | case kAVXFloat64Neg: { |
| 945 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 946 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 947 | __ psllq(kScratchDoubleReg, 63); |
| 948 | CpuFeatureScope avx_scope(masm(), AVX); |
| 949 | __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, i.InputOperand(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 950 | break; |
| 951 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 952 | case kIA32Movsxbl: |
| 953 | __ movsx_b(i.OutputRegister(), i.MemoryOperand()); |
| 954 | break; |
| 955 | case kIA32Movzxbl: |
| 956 | __ movzx_b(i.OutputRegister(), i.MemoryOperand()); |
| 957 | break; |
| 958 | case kIA32Movb: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 959 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 960 | Operand operand = i.MemoryOperand(&index); |
| 961 | if (HasImmediateInput(instr, index)) { |
| 962 | __ mov_b(operand, i.InputInt8(index)); |
| 963 | } else { |
| 964 | __ mov_b(operand, i.InputRegister(index)); |
| 965 | } |
| 966 | break; |
| 967 | } |
| 968 | case kIA32Movsxwl: |
| 969 | __ movsx_w(i.OutputRegister(), i.MemoryOperand()); |
| 970 | break; |
| 971 | case kIA32Movzxwl: |
| 972 | __ movzx_w(i.OutputRegister(), i.MemoryOperand()); |
| 973 | break; |
| 974 | case kIA32Movw: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 975 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 976 | Operand operand = i.MemoryOperand(&index); |
| 977 | if (HasImmediateInput(instr, index)) { |
| 978 | __ mov_w(operand, i.InputInt16(index)); |
| 979 | } else { |
| 980 | __ mov_w(operand, i.InputRegister(index)); |
| 981 | } |
| 982 | break; |
| 983 | } |
| 984 | case kIA32Movl: |
| 985 | if (instr->HasOutput()) { |
| 986 | __ mov(i.OutputRegister(), i.MemoryOperand()); |
| 987 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 988 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 989 | Operand operand = i.MemoryOperand(&index); |
| 990 | if (HasImmediateInput(instr, index)) { |
| 991 | __ mov(operand, i.InputImmediate(index)); |
| 992 | } else { |
| 993 | __ mov(operand, i.InputRegister(index)); |
| 994 | } |
| 995 | } |
| 996 | break; |
| 997 | case kIA32Movsd: |
| 998 | if (instr->HasOutput()) { |
| 999 | __ movsd(i.OutputDoubleRegister(), i.MemoryOperand()); |
| 1000 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1001 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1002 | Operand operand = i.MemoryOperand(&index); |
| 1003 | __ movsd(operand, i.InputDoubleRegister(index)); |
| 1004 | } |
| 1005 | break; |
| 1006 | case kIA32Movss: |
| 1007 | if (instr->HasOutput()) { |
| 1008 | __ movss(i.OutputDoubleRegister(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1009 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1010 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1011 | Operand operand = i.MemoryOperand(&index); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1012 | __ movss(operand, i.InputDoubleRegister(index)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1013 | } |
| 1014 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1015 | case kIA32BitcastFI: |
| 1016 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1017 | __ mov(i.OutputRegister(), i.InputOperand(0)); |
| 1018 | } else { |
| 1019 | __ movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1020 | } |
| 1021 | break; |
| 1022 | case kIA32BitcastIF: |
| 1023 | if (instr->InputAt(0)->IsRegister()) { |
| 1024 | __ movd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1025 | } else { |
| 1026 | __ movss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1027 | } |
| 1028 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1029 | case kIA32Lea: { |
| 1030 | AddressingMode mode = AddressingModeField::decode(instr->opcode()); |
| 1031 | // Shorten "leal" to "addl", "subl" or "shll" if the register allocation |
| 1032 | // and addressing mode just happens to work out. The "addl"/"subl" forms |
| 1033 | // in these cases are faster based on measurements. |
| 1034 | if (mode == kMode_MI) { |
| 1035 | __ Move(i.OutputRegister(), Immediate(i.InputInt32(0))); |
| 1036 | } else if (i.InputRegister(0).is(i.OutputRegister())) { |
| 1037 | if (mode == kMode_MRI) { |
| 1038 | int32_t constant_summand = i.InputInt32(1); |
| 1039 | if (constant_summand > 0) { |
| 1040 | __ add(i.OutputRegister(), Immediate(constant_summand)); |
| 1041 | } else if (constant_summand < 0) { |
| 1042 | __ sub(i.OutputRegister(), Immediate(-constant_summand)); |
| 1043 | } |
| 1044 | } else if (mode == kMode_MR1) { |
| 1045 | if (i.InputRegister(1).is(i.OutputRegister())) { |
| 1046 | __ shl(i.OutputRegister(), 1); |
| 1047 | } else { |
| 1048 | __ lea(i.OutputRegister(), i.MemoryOperand()); |
| 1049 | } |
| 1050 | } else if (mode == kMode_M2) { |
| 1051 | __ shl(i.OutputRegister(), 1); |
| 1052 | } else if (mode == kMode_M4) { |
| 1053 | __ shl(i.OutputRegister(), 2); |
| 1054 | } else if (mode == kMode_M8) { |
| 1055 | __ shl(i.OutputRegister(), 3); |
| 1056 | } else { |
| 1057 | __ lea(i.OutputRegister(), i.MemoryOperand()); |
| 1058 | } |
| 1059 | } else { |
| 1060 | __ lea(i.OutputRegister(), i.MemoryOperand()); |
| 1061 | } |
| 1062 | break; |
| 1063 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1064 | case kIA32PushFloat32: |
| 1065 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1066 | __ sub(esp, Immediate(kDoubleSize)); |
| 1067 | __ movss(Operand(esp, 0), i.InputDoubleRegister(0)); |
| 1068 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1069 | } else if (HasImmediateInput(instr, 0)) { |
| 1070 | __ Move(kScratchDoubleReg, i.InputDouble(0)); |
| 1071 | __ sub(esp, Immediate(kDoubleSize)); |
| 1072 | __ movss(Operand(esp, 0), kScratchDoubleReg); |
| 1073 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1074 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1075 | __ movsd(kScratchDoubleReg, i.InputOperand(0)); |
| 1076 | __ sub(esp, Immediate(kDoubleSize)); |
| 1077 | __ movss(Operand(esp, 0), kScratchDoubleReg); |
| 1078 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1079 | } |
| 1080 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1081 | case kIA32PushFloat64: |
| 1082 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1083 | __ sub(esp, Immediate(kDoubleSize)); |
| 1084 | __ movsd(Operand(esp, 0), i.InputDoubleRegister(0)); |
| 1085 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1086 | } else if (HasImmediateInput(instr, 0)) { |
| 1087 | __ Move(kScratchDoubleReg, i.InputDouble(0)); |
| 1088 | __ sub(esp, Immediate(kDoubleSize)); |
| 1089 | __ movsd(Operand(esp, 0), kScratchDoubleReg); |
| 1090 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1091 | } else { |
| 1092 | __ movsd(kScratchDoubleReg, i.InputOperand(0)); |
| 1093 | __ sub(esp, Immediate(kDoubleSize)); |
| 1094 | __ movsd(Operand(esp, 0), kScratchDoubleReg); |
| 1095 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1096 | } |
| 1097 | break; |
| 1098 | case kIA32Push: |
| 1099 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1100 | __ sub(esp, Immediate(kDoubleSize)); |
| 1101 | __ movsd(Operand(esp, 0), i.InputDoubleRegister(0)); |
| 1102 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1103 | } else if (HasImmediateInput(instr, 0)) { |
| 1104 | __ push(i.InputImmediate(0)); |
| 1105 | frame_access_state()->IncreaseSPDelta(1); |
| 1106 | } else { |
| 1107 | __ push(i.InputOperand(0)); |
| 1108 | frame_access_state()->IncreaseSPDelta(1); |
| 1109 | } |
| 1110 | break; |
| 1111 | case kIA32Poke: { |
| 1112 | int const slot = MiscField::decode(instr->opcode()); |
| 1113 | if (HasImmediateInput(instr, 0)) { |
| 1114 | __ mov(Operand(esp, slot * kPointerSize), i.InputImmediate(0)); |
| 1115 | } else { |
| 1116 | __ mov(Operand(esp, slot * kPointerSize), i.InputRegister(0)); |
| 1117 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1118 | break; |
| 1119 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1120 | case kCheckedLoadInt8: |
| 1121 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsx_b); |
| 1122 | break; |
| 1123 | case kCheckedLoadUint8: |
| 1124 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzx_b); |
| 1125 | break; |
| 1126 | case kCheckedLoadInt16: |
| 1127 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsx_w); |
| 1128 | break; |
| 1129 | case kCheckedLoadUint16: |
| 1130 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzx_w); |
| 1131 | break; |
| 1132 | case kCheckedLoadWord32: |
| 1133 | ASSEMBLE_CHECKED_LOAD_INTEGER(mov); |
| 1134 | break; |
| 1135 | case kCheckedLoadFloat32: |
| 1136 | ASSEMBLE_CHECKED_LOAD_FLOAT(movss); |
| 1137 | break; |
| 1138 | case kCheckedLoadFloat64: |
| 1139 | ASSEMBLE_CHECKED_LOAD_FLOAT(movsd); |
| 1140 | break; |
| 1141 | case kCheckedStoreWord8: |
| 1142 | ASSEMBLE_CHECKED_STORE_INTEGER(mov_b); |
| 1143 | break; |
| 1144 | case kCheckedStoreWord16: |
| 1145 | ASSEMBLE_CHECKED_STORE_INTEGER(mov_w); |
| 1146 | break; |
| 1147 | case kCheckedStoreWord32: |
| 1148 | ASSEMBLE_CHECKED_STORE_INTEGER(mov); |
| 1149 | break; |
| 1150 | case kCheckedStoreFloat32: |
| 1151 | ASSEMBLE_CHECKED_STORE_FLOAT(movss); |
| 1152 | break; |
| 1153 | case kCheckedStoreFloat64: |
| 1154 | ASSEMBLE_CHECKED_STORE_FLOAT(movsd); |
| 1155 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1156 | case kIA32StackCheck: { |
| 1157 | ExternalReference const stack_limit = |
| 1158 | ExternalReference::address_of_stack_limit(isolate()); |
| 1159 | __ cmp(esp, Operand::StaticVariable(stack_limit)); |
| 1160 | break; |
| 1161 | } |
| 1162 | case kCheckedLoadWord64: |
| 1163 | case kCheckedStoreWord64: |
| 1164 | UNREACHABLE(); // currently unsupported checked int64 load/store. |
| 1165 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1166 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1167 | } // NOLINT(readability/fn_size) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1168 | |
| 1169 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1170 | // Assembles a branch after an instruction. |
| 1171 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1172 | IA32OperandConverter i(this, instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1173 | Label::Distance flabel_distance = |
| 1174 | branch->fallthru ? Label::kNear : Label::kFar; |
| 1175 | Label* tlabel = branch->true_label; |
| 1176 | Label* flabel = branch->false_label; |
| 1177 | switch (branch->condition) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1178 | case kUnorderedEqual: |
| 1179 | __ j(parity_even, flabel, flabel_distance); |
| 1180 | // Fall through. |
| 1181 | case kEqual: |
| 1182 | __ j(equal, tlabel); |
| 1183 | break; |
| 1184 | case kUnorderedNotEqual: |
| 1185 | __ j(parity_even, tlabel); |
| 1186 | // Fall through. |
| 1187 | case kNotEqual: |
| 1188 | __ j(not_equal, tlabel); |
| 1189 | break; |
| 1190 | case kSignedLessThan: |
| 1191 | __ j(less, tlabel); |
| 1192 | break; |
| 1193 | case kSignedGreaterThanOrEqual: |
| 1194 | __ j(greater_equal, tlabel); |
| 1195 | break; |
| 1196 | case kSignedLessThanOrEqual: |
| 1197 | __ j(less_equal, tlabel); |
| 1198 | break; |
| 1199 | case kSignedGreaterThan: |
| 1200 | __ j(greater, tlabel); |
| 1201 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1202 | case kUnsignedLessThan: |
| 1203 | __ j(below, tlabel); |
| 1204 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1205 | case kUnsignedGreaterThanOrEqual: |
| 1206 | __ j(above_equal, tlabel); |
| 1207 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1208 | case kUnsignedLessThanOrEqual: |
| 1209 | __ j(below_equal, tlabel); |
| 1210 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1211 | case kUnsignedGreaterThan: |
| 1212 | __ j(above, tlabel); |
| 1213 | break; |
| 1214 | case kOverflow: |
| 1215 | __ j(overflow, tlabel); |
| 1216 | break; |
| 1217 | case kNotOverflow: |
| 1218 | __ j(no_overflow, tlabel); |
| 1219 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1220 | default: |
| 1221 | UNREACHABLE(); |
| 1222 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1223 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1224 | // Add a jump if not falling through to the next block. |
| 1225 | if (!branch->fallthru) __ jmp(flabel); |
| 1226 | } |
| 1227 | |
| 1228 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1229 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1230 | if (!IsNextInAssemblyOrder(target)) __ jmp(GetLabel(target)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | |
| 1234 | // Assembles boolean materializations after an instruction. |
| 1235 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1236 | FlagsCondition condition) { |
| 1237 | IA32OperandConverter i(this, instr); |
| 1238 | Label done; |
| 1239 | |
| 1240 | // Materialize a full 32-bit 1 or 0 value. The result register is always the |
| 1241 | // last output of the instruction. |
| 1242 | Label check; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1243 | DCHECK_NE(0u, instr->OutputCount()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1244 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
| 1245 | Condition cc = no_condition; |
| 1246 | switch (condition) { |
| 1247 | case kUnorderedEqual: |
| 1248 | __ j(parity_odd, &check, Label::kNear); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1249 | __ Move(reg, Immediate(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1250 | __ jmp(&done, Label::kNear); |
| 1251 | // Fall through. |
| 1252 | case kEqual: |
| 1253 | cc = equal; |
| 1254 | break; |
| 1255 | case kUnorderedNotEqual: |
| 1256 | __ j(parity_odd, &check, Label::kNear); |
| 1257 | __ mov(reg, Immediate(1)); |
| 1258 | __ jmp(&done, Label::kNear); |
| 1259 | // Fall through. |
| 1260 | case kNotEqual: |
| 1261 | cc = not_equal; |
| 1262 | break; |
| 1263 | case kSignedLessThan: |
| 1264 | cc = less; |
| 1265 | break; |
| 1266 | case kSignedGreaterThanOrEqual: |
| 1267 | cc = greater_equal; |
| 1268 | break; |
| 1269 | case kSignedLessThanOrEqual: |
| 1270 | cc = less_equal; |
| 1271 | break; |
| 1272 | case kSignedGreaterThan: |
| 1273 | cc = greater; |
| 1274 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1275 | case kUnsignedLessThan: |
| 1276 | cc = below; |
| 1277 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1278 | case kUnsignedGreaterThanOrEqual: |
| 1279 | cc = above_equal; |
| 1280 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1281 | case kUnsignedLessThanOrEqual: |
| 1282 | cc = below_equal; |
| 1283 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1284 | case kUnsignedGreaterThan: |
| 1285 | cc = above; |
| 1286 | break; |
| 1287 | case kOverflow: |
| 1288 | cc = overflow; |
| 1289 | break; |
| 1290 | case kNotOverflow: |
| 1291 | cc = no_overflow; |
| 1292 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1293 | default: |
| 1294 | UNREACHABLE(); |
| 1295 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1296 | } |
| 1297 | __ bind(&check); |
| 1298 | if (reg.is_byte_register()) { |
| 1299 | // setcc for byte registers (al, bl, cl, dl). |
| 1300 | __ setcc(cc, reg); |
| 1301 | __ movzx_b(reg, reg); |
| 1302 | } else { |
| 1303 | // Emit a branch to set a register to either 1 or 0. |
| 1304 | Label set; |
| 1305 | __ j(cc, &set, Label::kNear); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1306 | __ Move(reg, Immediate(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1307 | __ jmp(&done, Label::kNear); |
| 1308 | __ bind(&set); |
| 1309 | __ mov(reg, Immediate(1)); |
| 1310 | } |
| 1311 | __ bind(&done); |
| 1312 | } |
| 1313 | |
| 1314 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1315 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1316 | IA32OperandConverter i(this, instr); |
| 1317 | Register input = i.InputRegister(0); |
| 1318 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
| 1319 | __ cmp(input, Immediate(i.InputInt32(index + 0))); |
| 1320 | __ j(equal, GetLabel(i.InputRpo(index + 1))); |
| 1321 | } |
| 1322 | AssembleArchJump(i.InputRpo(1)); |
| 1323 | } |
| 1324 | |
| 1325 | |
| 1326 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1327 | IA32OperandConverter i(this, instr); |
| 1328 | Register input = i.InputRegister(0); |
| 1329 | size_t const case_count = instr->InputCount() - 2; |
| 1330 | Label** cases = zone()->NewArray<Label*>(case_count); |
| 1331 | for (size_t index = 0; index < case_count; ++index) { |
| 1332 | cases[index] = GetLabel(i.InputRpo(index + 2)); |
| 1333 | } |
| 1334 | Label* const table = AddJumpTable(cases, case_count); |
| 1335 | __ cmp(input, Immediate(case_count)); |
| 1336 | __ j(above_equal, GetLabel(i.InputRpo(1))); |
| 1337 | __ jmp(Operand::JumpTable(input, times_4, table)); |
| 1338 | } |
| 1339 | |
| 1340 | |
| 1341 | void CodeGenerator::AssembleDeoptimizerCall( |
| 1342 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1343 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1344 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1345 | __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1346 | } |
| 1347 | |
| 1348 | |
| 1349 | // The calling convention for JSFunctions on IA32 passes arguments on the |
| 1350 | // stack and the JSFunction and context in EDI and ESI, respectively, thus |
| 1351 | // the steps of the call look as follows: |
| 1352 | |
| 1353 | // --{ before the call instruction }-------------------------------------------- |
| 1354 | // | caller frame | |
| 1355 | // ^ esp ^ ebp |
| 1356 | |
| 1357 | // --{ push arguments and setup ESI, EDI }-------------------------------------- |
| 1358 | // | args + receiver | caller frame | |
| 1359 | // ^ esp ^ ebp |
| 1360 | // [edi = JSFunction, esi = context] |
| 1361 | |
| 1362 | // --{ call [edi + kCodeEntryOffset] }------------------------------------------ |
| 1363 | // | RET | args + receiver | caller frame | |
| 1364 | // ^ esp ^ ebp |
| 1365 | |
| 1366 | // =={ prologue of called function }============================================ |
| 1367 | // --{ push ebp }--------------------------------------------------------------- |
| 1368 | // | FP | RET | args + receiver | caller frame | |
| 1369 | // ^ esp ^ ebp |
| 1370 | |
| 1371 | // --{ mov ebp, esp }----------------------------------------------------------- |
| 1372 | // | FP | RET | args + receiver | caller frame | |
| 1373 | // ^ ebp,esp |
| 1374 | |
| 1375 | // --{ push esi }--------------------------------------------------------------- |
| 1376 | // | CTX | FP | RET | args + receiver | caller frame | |
| 1377 | // ^esp ^ ebp |
| 1378 | |
| 1379 | // --{ push edi }--------------------------------------------------------------- |
| 1380 | // | FNC | CTX | FP | RET | args + receiver | caller frame | |
| 1381 | // ^esp ^ ebp |
| 1382 | |
| 1383 | // --{ subi esp, #N }----------------------------------------------------------- |
| 1384 | // | callee frame | FNC | CTX | FP | RET | args + receiver | caller frame | |
| 1385 | // ^esp ^ ebp |
| 1386 | |
| 1387 | // =={ body of called function }================================================ |
| 1388 | |
| 1389 | // =={ epilogue of called function }============================================ |
| 1390 | // --{ mov esp, ebp }----------------------------------------------------------- |
| 1391 | // | FP | RET | args + receiver | caller frame | |
| 1392 | // ^ esp,ebp |
| 1393 | |
| 1394 | // --{ pop ebp }----------------------------------------------------------- |
| 1395 | // | | RET | args + receiver | caller frame | |
| 1396 | // ^ esp ^ ebp |
| 1397 | |
| 1398 | // --{ ret #A+1 }----------------------------------------------------------- |
| 1399 | // | | caller frame | |
| 1400 | // ^ esp ^ ebp |
| 1401 | |
| 1402 | |
| 1403 | // Runtime function calls are accomplished by doing a stub call to the |
| 1404 | // CEntryStub (a real code object). On IA32 passes arguments on the |
| 1405 | // stack, the number of arguments in EAX, the address of the runtime function |
| 1406 | // in EBX, and the context in ESI. |
| 1407 | |
| 1408 | // --{ before the call instruction }-------------------------------------------- |
| 1409 | // | caller frame | |
| 1410 | // ^ esp ^ ebp |
| 1411 | |
| 1412 | // --{ push arguments and setup EAX, EBX, and ESI }----------------------------- |
| 1413 | // | args + receiver | caller frame | |
| 1414 | // ^ esp ^ ebp |
| 1415 | // [eax = #args, ebx = runtime function, esi = context] |
| 1416 | |
| 1417 | // --{ call #CEntryStub }------------------------------------------------------- |
| 1418 | // | RET | args + receiver | caller frame | |
| 1419 | // ^ esp ^ ebp |
| 1420 | |
| 1421 | // =={ body of runtime function }=============================================== |
| 1422 | |
| 1423 | // --{ runtime returns }-------------------------------------------------------- |
| 1424 | // | caller frame | |
| 1425 | // ^ esp ^ ebp |
| 1426 | |
| 1427 | // Other custom linkages (e.g. for calling directly into and out of C++) may |
| 1428 | // need to save callee-saved registers on the stack, which is done in the |
| 1429 | // function prologue of generated code. |
| 1430 | |
| 1431 | // --{ before the call instruction }-------------------------------------------- |
| 1432 | // | caller frame | |
| 1433 | // ^ esp ^ ebp |
| 1434 | |
| 1435 | // --{ set up arguments in registers on stack }--------------------------------- |
| 1436 | // | args | caller frame | |
| 1437 | // ^ esp ^ ebp |
| 1438 | // [r0 = arg0, r1 = arg1, ...] |
| 1439 | |
| 1440 | // --{ call code }-------------------------------------------------------------- |
| 1441 | // | RET | args | caller frame | |
| 1442 | // ^ esp ^ ebp |
| 1443 | |
| 1444 | // =={ prologue of called function }============================================ |
| 1445 | // --{ push ebp }--------------------------------------------------------------- |
| 1446 | // | FP | RET | args | caller frame | |
| 1447 | // ^ esp ^ ebp |
| 1448 | |
| 1449 | // --{ mov ebp, esp }----------------------------------------------------------- |
| 1450 | // | FP | RET | args | caller frame | |
| 1451 | // ^ ebp,esp |
| 1452 | |
| 1453 | // --{ save registers }--------------------------------------------------------- |
| 1454 | // | regs | FP | RET | args | caller frame | |
| 1455 | // ^ esp ^ ebp |
| 1456 | |
| 1457 | // --{ subi esp, #N }----------------------------------------------------------- |
| 1458 | // | callee frame | regs | FP | RET | args | caller frame | |
| 1459 | // ^esp ^ ebp |
| 1460 | |
| 1461 | // =={ body of called function }================================================ |
| 1462 | |
| 1463 | // =={ epilogue of called function }============================================ |
| 1464 | // --{ restore registers }------------------------------------------------------ |
| 1465 | // | regs | FP | RET | args | caller frame | |
| 1466 | // ^ esp ^ ebp |
| 1467 | |
| 1468 | // --{ mov esp, ebp }----------------------------------------------------------- |
| 1469 | // | FP | RET | args | caller frame | |
| 1470 | // ^ esp,ebp |
| 1471 | |
| 1472 | // --{ pop ebp }---------------------------------------------------------------- |
| 1473 | // | RET | args | caller frame | |
| 1474 | // ^ esp ^ ebp |
| 1475 | |
| 1476 | |
| 1477 | void CodeGenerator::AssemblePrologue() { |
| 1478 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1479 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1480 | // Assemble a prologue similar the to cdecl calling convention. |
| 1481 | __ push(ebp); |
| 1482 | __ mov(ebp, esp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1483 | } else if (descriptor->IsJSFunctionCall()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1484 | // TODO(turbofan): this prologue is redundant with OSR, but still needed for |
| 1485 | // code aging. |
| 1486 | __ Prologue(this->info()->GeneratePreagedPrologue()); |
| 1487 | } else if (frame()->needs_frame()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1488 | __ StubPrologue(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1489 | } else { |
| 1490 | frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1491 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1492 | frame_access_state()->SetFrameAccessToDefault(); |
| 1493 | |
| 1494 | int stack_shrink_slots = frame()->GetSpillSlotCount(); |
| 1495 | if (info()->is_osr()) { |
| 1496 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1497 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1498 | |
| 1499 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1500 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1501 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1502 | // remaining stack slots. |
| 1503 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1504 | osr_pc_offset_ = __ pc_offset(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1505 | stack_shrink_slots -= OsrHelper(info()).UnoptimizedFrameSlots(); |
| 1506 | } |
| 1507 | |
| 1508 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1509 | if (stack_shrink_slots > 0) { |
| 1510 | __ sub(esp, Immediate(stack_shrink_slots * kPointerSize)); |
| 1511 | } |
| 1512 | |
| 1513 | if (saves != 0) { // Save callee-saved registers. |
| 1514 | DCHECK(!info()->is_osr()); |
| 1515 | int pushed = 0; |
| 1516 | for (int i = Register::kNumRegisters - 1; i >= 0; i--) { |
| 1517 | if (!((1 << i) & saves)) continue; |
| 1518 | __ push(Register::from_code(i)); |
| 1519 | ++pushed; |
| 1520 | } |
| 1521 | frame()->AllocateSavedCalleeRegisterSlots(pushed); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1522 | } |
| 1523 | } |
| 1524 | |
| 1525 | |
| 1526 | void CodeGenerator::AssembleReturn() { |
| 1527 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1528 | |
| 1529 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1530 | // Restore registers. |
| 1531 | if (saves != 0) { |
| 1532 | for (int i = 0; i < Register::kNumRegisters; i++) { |
| 1533 | if (!((1 << i) & saves)) continue; |
| 1534 | __ pop(Register::from_code(i)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1535 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1536 | } |
| 1537 | |
| 1538 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1539 | __ mov(esp, ebp); // Move stack pointer back to frame pointer. |
| 1540 | __ pop(ebp); // Pop caller's frame pointer. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1541 | } else if (frame()->needs_frame()) { |
| 1542 | // Canonicalize JSFunction return sites for now. |
| 1543 | if (return_label_.is_bound()) { |
| 1544 | __ jmp(&return_label_); |
| 1545 | return; |
| 1546 | } else { |
| 1547 | __ bind(&return_label_); |
| 1548 | __ mov(esp, ebp); // Move stack pointer back to frame pointer. |
| 1549 | __ pop(ebp); // Pop caller's frame pointer. |
| 1550 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1551 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1552 | size_t pop_size = descriptor->StackParameterCount() * kPointerSize; |
| 1553 | // Might need ecx for scratch if pop_size is too big. |
| 1554 | DCHECK_EQ(0u, descriptor->CalleeSavedRegisters() & ecx.bit()); |
| 1555 | __ Ret(static_cast<int>(pop_size), ecx); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1560 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1561 | IA32OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1562 | // Dispatch on the source and destination operand kinds. Not all |
| 1563 | // combinations are possible. |
| 1564 | if (source->IsRegister()) { |
| 1565 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1566 | Register src = g.ToRegister(source); |
| 1567 | Operand dst = g.ToOperand(destination); |
| 1568 | __ mov(dst, src); |
| 1569 | } else if (source->IsStackSlot()) { |
| 1570 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1571 | Operand src = g.ToOperand(source); |
| 1572 | if (destination->IsRegister()) { |
| 1573 | Register dst = g.ToRegister(destination); |
| 1574 | __ mov(dst, src); |
| 1575 | } else { |
| 1576 | Operand dst = g.ToOperand(destination); |
| 1577 | __ push(src); |
| 1578 | __ pop(dst); |
| 1579 | } |
| 1580 | } else if (source->IsConstant()) { |
| 1581 | Constant src_constant = g.ToConstant(source); |
| 1582 | if (src_constant.type() == Constant::kHeapObject) { |
| 1583 | Handle<HeapObject> src = src_constant.ToHeapObject(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1584 | int offset; |
| 1585 | if (IsMaterializableFromFrame(src, &offset)) { |
| 1586 | if (destination->IsRegister()) { |
| 1587 | Register dst = g.ToRegister(destination); |
| 1588 | __ mov(dst, g.ToMaterializableOperand(offset)); |
| 1589 | } else { |
| 1590 | DCHECK(destination->IsStackSlot()); |
| 1591 | Operand dst = g.ToOperand(destination); |
| 1592 | __ push(g.ToMaterializableOperand(offset)); |
| 1593 | __ pop(dst); |
| 1594 | } |
| 1595 | } else if (destination->IsRegister()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1596 | Register dst = g.ToRegister(destination); |
| 1597 | __ LoadHeapObject(dst, src); |
| 1598 | } else { |
| 1599 | DCHECK(destination->IsStackSlot()); |
| 1600 | Operand dst = g.ToOperand(destination); |
| 1601 | AllowDeferredHandleDereference embedding_raw_address; |
| 1602 | if (isolate()->heap()->InNewSpace(*src)) { |
| 1603 | __ PushHeapObject(src); |
| 1604 | __ pop(dst); |
| 1605 | } else { |
| 1606 | __ mov(dst, src); |
| 1607 | } |
| 1608 | } |
| 1609 | } else if (destination->IsRegister()) { |
| 1610 | Register dst = g.ToRegister(destination); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1611 | __ Move(dst, g.ToImmediate(source)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1612 | } else if (destination->IsStackSlot()) { |
| 1613 | Operand dst = g.ToOperand(destination); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1614 | __ Move(dst, g.ToImmediate(source)); |
| 1615 | } else if (src_constant.type() == Constant::kFloat32) { |
| 1616 | // TODO(turbofan): Can we do better here? |
| 1617 | uint32_t src = bit_cast<uint32_t>(src_constant.ToFloat32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1618 | if (destination->IsDoubleRegister()) { |
| 1619 | XMMRegister dst = g.ToDoubleRegister(destination); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1620 | __ Move(dst, src); |
| 1621 | } else { |
| 1622 | DCHECK(destination->IsDoubleStackSlot()); |
| 1623 | Operand dst = g.ToOperand(destination); |
| 1624 | __ Move(dst, Immediate(src)); |
| 1625 | } |
| 1626 | } else { |
| 1627 | DCHECK_EQ(Constant::kFloat64, src_constant.type()); |
| 1628 | uint64_t src = bit_cast<uint64_t>(src_constant.ToFloat64()); |
| 1629 | uint32_t lower = static_cast<uint32_t>(src); |
| 1630 | uint32_t upper = static_cast<uint32_t>(src >> 32); |
| 1631 | if (destination->IsDoubleRegister()) { |
| 1632 | XMMRegister dst = g.ToDoubleRegister(destination); |
| 1633 | __ Move(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1634 | } else { |
| 1635 | DCHECK(destination->IsDoubleStackSlot()); |
| 1636 | Operand dst0 = g.ToOperand(destination); |
| 1637 | Operand dst1 = g.HighOperand(destination); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1638 | __ Move(dst0, Immediate(lower)); |
| 1639 | __ Move(dst1, Immediate(upper)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1640 | } |
| 1641 | } |
| 1642 | } else if (source->IsDoubleRegister()) { |
| 1643 | XMMRegister src = g.ToDoubleRegister(source); |
| 1644 | if (destination->IsDoubleRegister()) { |
| 1645 | XMMRegister dst = g.ToDoubleRegister(destination); |
| 1646 | __ movaps(dst, src); |
| 1647 | } else { |
| 1648 | DCHECK(destination->IsDoubleStackSlot()); |
| 1649 | Operand dst = g.ToOperand(destination); |
| 1650 | __ movsd(dst, src); |
| 1651 | } |
| 1652 | } else if (source->IsDoubleStackSlot()) { |
| 1653 | DCHECK(destination->IsDoubleRegister() || destination->IsDoubleStackSlot()); |
| 1654 | Operand src = g.ToOperand(source); |
| 1655 | if (destination->IsDoubleRegister()) { |
| 1656 | XMMRegister dst = g.ToDoubleRegister(destination); |
| 1657 | __ movsd(dst, src); |
| 1658 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1659 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1660 | __ movsd(kScratchDoubleReg, src); |
| 1661 | __ movsd(dst, kScratchDoubleReg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1662 | } |
| 1663 | } else { |
| 1664 | UNREACHABLE(); |
| 1665 | } |
| 1666 | } |
| 1667 | |
| 1668 | |
| 1669 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 1670 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1671 | IA32OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1672 | // Dispatch on the source and destination operand kinds. Not all |
| 1673 | // combinations are possible. |
| 1674 | if (source->IsRegister() && destination->IsRegister()) { |
| 1675 | // Register-register. |
| 1676 | Register src = g.ToRegister(source); |
| 1677 | Register dst = g.ToRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1678 | __ push(src); |
| 1679 | __ mov(src, dst); |
| 1680 | __ pop(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1681 | } else if (source->IsRegister() && destination->IsStackSlot()) { |
| 1682 | // Register-memory. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1683 | Register src = g.ToRegister(source); |
| 1684 | __ push(src); |
| 1685 | frame_access_state()->IncreaseSPDelta(1); |
| 1686 | Operand dst = g.ToOperand(destination); |
| 1687 | __ mov(src, dst); |
| 1688 | frame_access_state()->IncreaseSPDelta(-1); |
| 1689 | dst = g.ToOperand(destination); |
| 1690 | __ pop(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1691 | } else if (source->IsStackSlot() && destination->IsStackSlot()) { |
| 1692 | // Memory-memory. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1693 | Operand dst1 = g.ToOperand(destination); |
| 1694 | __ push(dst1); |
| 1695 | frame_access_state()->IncreaseSPDelta(1); |
| 1696 | Operand src1 = g.ToOperand(source); |
| 1697 | __ push(src1); |
| 1698 | Operand dst2 = g.ToOperand(destination); |
| 1699 | __ pop(dst2); |
| 1700 | frame_access_state()->IncreaseSPDelta(-1); |
| 1701 | Operand src2 = g.ToOperand(source); |
| 1702 | __ pop(src2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1703 | } else if (source->IsDoubleRegister() && destination->IsDoubleRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1704 | // XMM register-register swap. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1705 | XMMRegister src = g.ToDoubleRegister(source); |
| 1706 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1707 | __ movaps(kScratchDoubleReg, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1708 | __ movaps(src, dst); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1709 | __ movaps(dst, kScratchDoubleReg); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1710 | } else if (source->IsDoubleRegister() && destination->IsDoubleStackSlot()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1711 | // XMM register-memory swap. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1712 | XMMRegister reg = g.ToDoubleRegister(source); |
| 1713 | Operand other = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1714 | __ movsd(kScratchDoubleReg, other); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1715 | __ movsd(other, reg); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1716 | __ movaps(reg, kScratchDoubleReg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1717 | } else if (source->IsDoubleStackSlot() && destination->IsDoubleStackSlot()) { |
| 1718 | // Double-width memory-to-memory. |
| 1719 | Operand src0 = g.ToOperand(source); |
| 1720 | Operand src1 = g.HighOperand(source); |
| 1721 | Operand dst0 = g.ToOperand(destination); |
| 1722 | Operand dst1 = g.HighOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1723 | __ movsd(kScratchDoubleReg, dst0); // Save destination in scratch register. |
| 1724 | __ push(src0); // Then use stack to copy source to destination. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1725 | __ pop(dst0); |
| 1726 | __ push(src1); |
| 1727 | __ pop(dst1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1728 | __ movsd(src0, kScratchDoubleReg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1729 | } else { |
| 1730 | // No other combinations are possible. |
| 1731 | UNREACHABLE(); |
| 1732 | } |
| 1733 | } |
| 1734 | |
| 1735 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1736 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 1737 | for (size_t index = 0; index < target_count; ++index) { |
| 1738 | __ dd(targets[index]); |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1743 | void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); } |
| 1744 | |
| 1745 | |
| 1746 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1747 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 1748 | return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1749 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1750 | |
| 1751 | int space_needed = Deoptimizer::patch_size(); |
| 1752 | // Ensure that we have enough space after the previous lazy-bailout |
| 1753 | // instruction for patching the code here. |
| 1754 | int current_pc = masm()->pc_offset(); |
| 1755 | if (current_pc < last_lazy_deopt_pc_ + space_needed) { |
| 1756 | int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 1757 | __ Nop(padding_size); |
| 1758 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1759 | } |
| 1760 | |
| 1761 | #undef __ |
| 1762 | |
| 1763 | } // namespace compiler |
| 1764 | } // namespace internal |
| 1765 | } // namespace v8 |