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 | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 12 | #include "src/x64/assembler-x64.h" |
| 13 | #include "src/x64/macro-assembler-x64.h" |
| 14 | |
| 15 | namespace v8 { |
| 16 | namespace internal { |
| 17 | namespace compiler { |
| 18 | |
| 19 | #define __ masm()-> |
| 20 | |
| 21 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 22 | #define kScratchDoubleReg xmm0 |
| 23 | |
| 24 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 25 | // Adds X64 specific methods for decoding operands. |
| 26 | class X64OperandConverter : public InstructionOperandConverter { |
| 27 | public: |
| 28 | X64OperandConverter(CodeGenerator* gen, Instruction* instr) |
| 29 | : InstructionOperandConverter(gen, instr) {} |
| 30 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 31 | Immediate InputImmediate(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | return ToImmediate(instr_->InputAt(index)); |
| 33 | } |
| 34 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 35 | Operand InputOperand(size_t index, int extra = 0) { |
| 36 | return ToOperand(instr_->InputAt(index), extra); |
| 37 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 38 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 39 | Operand OutputOperand() { return ToOperand(instr_->Output()); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 40 | |
| 41 | Immediate ToImmediate(InstructionOperand* operand) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 42 | Constant constant = ToConstant(operand); |
| 43 | if (constant.type() == Constant::kFloat64) { |
| 44 | DCHECK_EQ(0, bit_cast<int64_t>(constant.ToFloat64())); |
| 45 | return Immediate(0); |
| 46 | } |
| 47 | return Immediate(constant.ToInt32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | Operand ToOperand(InstructionOperand* op, int extra = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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() ? rsp : rbp, |
| 55 | offset.offset() + extra); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 56 | } |
| 57 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 58 | static size_t NextOffset(size_t* offset) { |
| 59 | size_t i = *offset; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 60 | (*offset)++; |
| 61 | return i; |
| 62 | } |
| 63 | |
| 64 | static ScaleFactor ScaleFor(AddressingMode one, AddressingMode mode) { |
| 65 | STATIC_ASSERT(0 == static_cast<int>(times_1)); |
| 66 | STATIC_ASSERT(1 == static_cast<int>(times_2)); |
| 67 | STATIC_ASSERT(2 == static_cast<int>(times_4)); |
| 68 | STATIC_ASSERT(3 == static_cast<int>(times_8)); |
| 69 | int scale = static_cast<int>(mode - one); |
| 70 | DCHECK(scale >= 0 && scale < 4); |
| 71 | return static_cast<ScaleFactor>(scale); |
| 72 | } |
| 73 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 74 | Operand MemoryOperand(size_t* offset) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 75 | AddressingMode mode = AddressingModeField::decode(instr_->opcode()); |
| 76 | switch (mode) { |
| 77 | case kMode_MR: { |
| 78 | Register base = InputRegister(NextOffset(offset)); |
| 79 | int32_t disp = 0; |
| 80 | return Operand(base, disp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 82 | case kMode_MRI: { |
| 83 | Register base = InputRegister(NextOffset(offset)); |
| 84 | int32_t disp = InputInt32(NextOffset(offset)); |
| 85 | return Operand(base, disp); |
| 86 | } |
| 87 | case kMode_MR1: |
| 88 | case kMode_MR2: |
| 89 | case kMode_MR4: |
| 90 | case kMode_MR8: { |
| 91 | Register base = InputRegister(NextOffset(offset)); |
| 92 | Register index = InputRegister(NextOffset(offset)); |
| 93 | ScaleFactor scale = ScaleFor(kMode_MR1, mode); |
| 94 | int32_t disp = 0; |
| 95 | return Operand(base, index, scale, disp); |
| 96 | } |
| 97 | case kMode_MR1I: |
| 98 | case kMode_MR2I: |
| 99 | case kMode_MR4I: |
| 100 | case kMode_MR8I: { |
| 101 | Register base = InputRegister(NextOffset(offset)); |
| 102 | Register index = InputRegister(NextOffset(offset)); |
| 103 | ScaleFactor scale = ScaleFor(kMode_MR1I, mode); |
| 104 | int32_t disp = InputInt32(NextOffset(offset)); |
| 105 | return Operand(base, index, scale, disp); |
| 106 | } |
| 107 | case kMode_M1: { |
| 108 | Register base = InputRegister(NextOffset(offset)); |
| 109 | int32_t disp = 0; |
| 110 | return Operand(base, disp); |
| 111 | } |
| 112 | case kMode_M2: |
| 113 | UNREACHABLE(); // Should use kModeMR with more compact encoding instead |
| 114 | return Operand(no_reg, 0); |
| 115 | case kMode_M4: |
| 116 | case kMode_M8: { |
| 117 | Register index = InputRegister(NextOffset(offset)); |
| 118 | ScaleFactor scale = ScaleFor(kMode_M1, mode); |
| 119 | int32_t disp = 0; |
| 120 | return Operand(index, scale, disp); |
| 121 | } |
| 122 | case kMode_M1I: |
| 123 | case kMode_M2I: |
| 124 | case kMode_M4I: |
| 125 | case kMode_M8I: { |
| 126 | Register index = InputRegister(NextOffset(offset)); |
| 127 | ScaleFactor scale = ScaleFor(kMode_M1I, mode); |
| 128 | int32_t disp = InputInt32(NextOffset(offset)); |
| 129 | return Operand(index, scale, disp); |
| 130 | } |
| 131 | case kMode_None: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 132 | UNREACHABLE(); |
| 133 | return Operand(no_reg, 0); |
| 134 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 135 | UNREACHABLE(); |
| 136 | return Operand(no_reg, 0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 137 | } |
| 138 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 139 | Operand MemoryOperand(size_t first_input = 0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 140 | return MemoryOperand(&first_input); |
| 141 | } |
| 142 | }; |
| 143 | |
| 144 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 145 | namespace { |
| 146 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 147 | bool HasImmediateInput(Instruction* instr, size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 148 | return instr->InputAt(index)->IsImmediate(); |
| 149 | } |
| 150 | |
| 151 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 152 | class OutOfLineLoadZero final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 153 | public: |
| 154 | OutOfLineLoadZero(CodeGenerator* gen, Register result) |
| 155 | : OutOfLineCode(gen), result_(result) {} |
| 156 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 157 | void Generate() final { __ xorl(result_, result_); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 158 | |
| 159 | private: |
| 160 | Register const result_; |
| 161 | }; |
| 162 | |
| 163 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 164 | class OutOfLineLoadNaN final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 165 | public: |
| 166 | OutOfLineLoadNaN(CodeGenerator* gen, XMMRegister result) |
| 167 | : OutOfLineCode(gen), result_(result) {} |
| 168 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 169 | void Generate() final { __ Pcmpeqd(result_, result_); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 170 | |
| 171 | private: |
| 172 | XMMRegister const result_; |
| 173 | }; |
| 174 | |
| 175 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 176 | class OutOfLineTruncateDoubleToI final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 177 | public: |
| 178 | OutOfLineTruncateDoubleToI(CodeGenerator* gen, Register result, |
| 179 | XMMRegister input) |
| 180 | : OutOfLineCode(gen), result_(result), input_(input) {} |
| 181 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 182 | void Generate() final { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 183 | __ subp(rsp, Immediate(kDoubleSize)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 184 | __ Movsd(MemOperand(rsp, 0), input_); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 185 | __ SlowTruncateToI(result_, rsp, 0); |
| 186 | __ addp(rsp, Immediate(kDoubleSize)); |
| 187 | } |
| 188 | |
| 189 | private: |
| 190 | Register const result_; |
| 191 | XMMRegister const input_; |
| 192 | }; |
| 193 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 194 | |
| 195 | class OutOfLineRecordWrite final : public OutOfLineCode { |
| 196 | public: |
| 197 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, Operand operand, |
| 198 | Register value, Register scratch0, Register scratch1, |
| 199 | RecordWriteMode mode) |
| 200 | : OutOfLineCode(gen), |
| 201 | object_(object), |
| 202 | operand_(operand), |
| 203 | value_(value), |
| 204 | scratch0_(scratch0), |
| 205 | scratch1_(scratch1), |
| 206 | mode_(mode) {} |
| 207 | |
| 208 | void Generate() final { |
| 209 | if (mode_ > RecordWriteMode::kValueIsPointer) { |
| 210 | __ JumpIfSmi(value_, exit()); |
| 211 | } |
| 212 | if (mode_ > RecordWriteMode::kValueIsMap) { |
| 213 | __ CheckPageFlag(value_, scratch0_, |
| 214 | MemoryChunk::kPointersToHereAreInterestingMask, zero, |
| 215 | exit()); |
| 216 | } |
| 217 | SaveFPRegsMode const save_fp_mode = |
| 218 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
| 219 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
| 220 | EMIT_REMEMBERED_SET, save_fp_mode); |
| 221 | __ leap(scratch1_, operand_); |
| 222 | __ CallStub(&stub); |
| 223 | } |
| 224 | |
| 225 | private: |
| 226 | Register const object_; |
| 227 | Operand const operand_; |
| 228 | Register const value_; |
| 229 | Register const scratch0_; |
| 230 | Register const scratch1_; |
| 231 | RecordWriteMode const mode_; |
| 232 | }; |
| 233 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 234 | } // namespace |
| 235 | |
| 236 | |
| 237 | #define ASSEMBLE_UNOP(asm_instr) \ |
| 238 | do { \ |
| 239 | if (instr->Output()->IsRegister()) { \ |
| 240 | __ asm_instr(i.OutputRegister()); \ |
| 241 | } else { \ |
| 242 | __ asm_instr(i.OutputOperand()); \ |
| 243 | } \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | } while (0) |
| 245 | |
| 246 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 247 | #define ASSEMBLE_BINOP(asm_instr) \ |
| 248 | do { \ |
| 249 | if (HasImmediateInput(instr, 1)) { \ |
| 250 | if (instr->InputAt(0)->IsRegister()) { \ |
| 251 | __ asm_instr(i.InputRegister(0), i.InputImmediate(1)); \ |
| 252 | } else { \ |
| 253 | __ asm_instr(i.InputOperand(0), i.InputImmediate(1)); \ |
| 254 | } \ |
| 255 | } else { \ |
| 256 | if (instr->InputAt(1)->IsRegister()) { \ |
| 257 | __ asm_instr(i.InputRegister(0), i.InputRegister(1)); \ |
| 258 | } else { \ |
| 259 | __ asm_instr(i.InputRegister(0), i.InputOperand(1)); \ |
| 260 | } \ |
| 261 | } \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 262 | } while (0) |
| 263 | |
| 264 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 265 | #define ASSEMBLE_MULT(asm_instr) \ |
| 266 | do { \ |
| 267 | if (HasImmediateInput(instr, 1)) { \ |
| 268 | if (instr->InputAt(0)->IsRegister()) { \ |
| 269 | __ asm_instr(i.OutputRegister(), i.InputRegister(0), \ |
| 270 | i.InputImmediate(1)); \ |
| 271 | } else { \ |
| 272 | __ asm_instr(i.OutputRegister(), i.InputOperand(0), \ |
| 273 | i.InputImmediate(1)); \ |
| 274 | } \ |
| 275 | } else { \ |
| 276 | if (instr->InputAt(1)->IsRegister()) { \ |
| 277 | __ asm_instr(i.OutputRegister(), i.InputRegister(1)); \ |
| 278 | } else { \ |
| 279 | __ asm_instr(i.OutputRegister(), i.InputOperand(1)); \ |
| 280 | } \ |
| 281 | } \ |
| 282 | } while (0) |
| 283 | |
| 284 | |
| 285 | #define ASSEMBLE_SHIFT(asm_instr, width) \ |
| 286 | do { \ |
| 287 | if (HasImmediateInput(instr, 1)) { \ |
| 288 | if (instr->Output()->IsRegister()) { \ |
| 289 | __ asm_instr(i.OutputRegister(), Immediate(i.InputInt##width(1))); \ |
| 290 | } else { \ |
| 291 | __ asm_instr(i.OutputOperand(), Immediate(i.InputInt##width(1))); \ |
| 292 | } \ |
| 293 | } else { \ |
| 294 | if (instr->Output()->IsRegister()) { \ |
| 295 | __ asm_instr##_cl(i.OutputRegister()); \ |
| 296 | } else { \ |
| 297 | __ asm_instr##_cl(i.OutputOperand()); \ |
| 298 | } \ |
| 299 | } \ |
| 300 | } while (0) |
| 301 | |
| 302 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 303 | #define ASSEMBLE_MOVX(asm_instr) \ |
| 304 | do { \ |
| 305 | if (instr->addressing_mode() != kMode_None) { \ |
| 306 | __ asm_instr(i.OutputRegister(), i.MemoryOperand()); \ |
| 307 | } else if (instr->InputAt(0)->IsRegister()) { \ |
| 308 | __ asm_instr(i.OutputRegister(), i.InputRegister(0)); \ |
| 309 | } else { \ |
| 310 | __ asm_instr(i.OutputRegister(), i.InputOperand(0)); \ |
| 311 | } \ |
| 312 | } while (0) |
| 313 | |
| 314 | |
| 315 | #define ASSEMBLE_SSE_BINOP(asm_instr) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 316 | do { \ |
| 317 | if (instr->InputAt(1)->IsDoubleRegister()) { \ |
| 318 | __ asm_instr(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); \ |
| 319 | } else { \ |
| 320 | __ asm_instr(i.InputDoubleRegister(0), i.InputOperand(1)); \ |
| 321 | } \ |
| 322 | } while (0) |
| 323 | |
| 324 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 325 | #define ASSEMBLE_SSE_UNOP(asm_instr) \ |
| 326 | do { \ |
| 327 | if (instr->InputAt(0)->IsDoubleRegister()) { \ |
| 328 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); \ |
| 329 | } else { \ |
| 330 | __ asm_instr(i.OutputDoubleRegister(), i.InputOperand(0)); \ |
| 331 | } \ |
| 332 | } while (0) |
| 333 | |
| 334 | |
| 335 | #define ASSEMBLE_AVX_BINOP(asm_instr) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 336 | do { \ |
| 337 | CpuFeatureScope avx_scope(masm(), AVX); \ |
| 338 | if (instr->InputAt(1)->IsDoubleRegister()) { \ |
| 339 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 340 | i.InputDoubleRegister(1)); \ |
| 341 | } else { \ |
| 342 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 343 | i.InputOperand(1)); \ |
| 344 | } \ |
| 345 | } while (0) |
| 346 | |
| 347 | |
| 348 | #define ASSEMBLE_CHECKED_LOAD_FLOAT(asm_instr) \ |
| 349 | do { \ |
| 350 | auto result = i.OutputDoubleRegister(); \ |
| 351 | auto buffer = i.InputRegister(0); \ |
| 352 | auto index1 = i.InputRegister(1); \ |
| 353 | auto index2 = i.InputInt32(2); \ |
| 354 | OutOfLineCode* ool; \ |
| 355 | if (instr->InputAt(3)->IsRegister()) { \ |
| 356 | auto length = i.InputRegister(3); \ |
| 357 | DCHECK_EQ(0, index2); \ |
| 358 | __ cmpl(index1, length); \ |
| 359 | ool = new (zone()) OutOfLineLoadNaN(this, result); \ |
| 360 | } else { \ |
| 361 | auto length = i.InputInt32(3); \ |
| 362 | DCHECK_LE(index2, length); \ |
| 363 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 364 | class OutOfLineLoadFloat final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 365 | public: \ |
| 366 | OutOfLineLoadFloat(CodeGenerator* gen, XMMRegister result, \ |
| 367 | Register buffer, Register index1, int32_t index2, \ |
| 368 | int32_t length) \ |
| 369 | : OutOfLineCode(gen), \ |
| 370 | result_(result), \ |
| 371 | buffer_(buffer), \ |
| 372 | index1_(index1), \ |
| 373 | index2_(index2), \ |
| 374 | length_(length) {} \ |
| 375 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 376 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 377 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 378 | __ Pcmpeqd(result_, result_); \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 379 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 380 | __ j(above_equal, exit()); \ |
| 381 | __ asm_instr(result_, \ |
| 382 | Operand(buffer_, kScratchRegister, times_1, 0)); \ |
| 383 | } \ |
| 384 | \ |
| 385 | private: \ |
| 386 | XMMRegister const result_; \ |
| 387 | Register const buffer_; \ |
| 388 | Register const index1_; \ |
| 389 | int32_t const index2_; \ |
| 390 | int32_t const length_; \ |
| 391 | }; \ |
| 392 | ool = new (zone()) \ |
| 393 | OutOfLineLoadFloat(this, result, buffer, index1, index2, length); \ |
| 394 | } \ |
| 395 | __ j(above_equal, ool->entry()); \ |
| 396 | __ asm_instr(result, Operand(buffer, index1, times_1, index2)); \ |
| 397 | __ bind(ool->exit()); \ |
| 398 | } while (false) |
| 399 | |
| 400 | |
| 401 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr) \ |
| 402 | do { \ |
| 403 | auto result = i.OutputRegister(); \ |
| 404 | auto buffer = i.InputRegister(0); \ |
| 405 | auto index1 = i.InputRegister(1); \ |
| 406 | auto index2 = i.InputInt32(2); \ |
| 407 | OutOfLineCode* ool; \ |
| 408 | if (instr->InputAt(3)->IsRegister()) { \ |
| 409 | auto length = i.InputRegister(3); \ |
| 410 | DCHECK_EQ(0, index2); \ |
| 411 | __ cmpl(index1, length); \ |
| 412 | ool = new (zone()) OutOfLineLoadZero(this, result); \ |
| 413 | } else { \ |
| 414 | auto length = i.InputInt32(3); \ |
| 415 | DCHECK_LE(index2, length); \ |
| 416 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 417 | class OutOfLineLoadInteger final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 418 | public: \ |
| 419 | OutOfLineLoadInteger(CodeGenerator* gen, Register result, \ |
| 420 | Register buffer, Register index1, int32_t index2, \ |
| 421 | int32_t length) \ |
| 422 | : OutOfLineCode(gen), \ |
| 423 | result_(result), \ |
| 424 | buffer_(buffer), \ |
| 425 | index1_(index1), \ |
| 426 | index2_(index2), \ |
| 427 | length_(length) {} \ |
| 428 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 429 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 430 | Label oob; \ |
| 431 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 432 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 433 | __ j(above_equal, &oob, Label::kNear); \ |
| 434 | __ asm_instr(result_, \ |
| 435 | Operand(buffer_, kScratchRegister, times_1, 0)); \ |
| 436 | __ jmp(exit()); \ |
| 437 | __ bind(&oob); \ |
| 438 | __ xorl(result_, result_); \ |
| 439 | } \ |
| 440 | \ |
| 441 | private: \ |
| 442 | Register const result_; \ |
| 443 | Register const buffer_; \ |
| 444 | Register const index1_; \ |
| 445 | int32_t const index2_; \ |
| 446 | int32_t const length_; \ |
| 447 | }; \ |
| 448 | ool = new (zone()) \ |
| 449 | OutOfLineLoadInteger(this, result, buffer, index1, index2, length); \ |
| 450 | } \ |
| 451 | __ j(above_equal, ool->entry()); \ |
| 452 | __ asm_instr(result, Operand(buffer, index1, times_1, index2)); \ |
| 453 | __ bind(ool->exit()); \ |
| 454 | } while (false) |
| 455 | |
| 456 | |
| 457 | #define ASSEMBLE_CHECKED_STORE_FLOAT(asm_instr) \ |
| 458 | do { \ |
| 459 | auto buffer = i.InputRegister(0); \ |
| 460 | auto index1 = i.InputRegister(1); \ |
| 461 | auto index2 = i.InputInt32(2); \ |
| 462 | auto value = i.InputDoubleRegister(4); \ |
| 463 | if (instr->InputAt(3)->IsRegister()) { \ |
| 464 | auto length = i.InputRegister(3); \ |
| 465 | DCHECK_EQ(0, index2); \ |
| 466 | Label done; \ |
| 467 | __ cmpl(index1, length); \ |
| 468 | __ j(above_equal, &done, Label::kNear); \ |
| 469 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 470 | __ bind(&done); \ |
| 471 | } else { \ |
| 472 | auto length = i.InputInt32(3); \ |
| 473 | DCHECK_LE(index2, length); \ |
| 474 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 475 | class OutOfLineStoreFloat final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 476 | public: \ |
| 477 | OutOfLineStoreFloat(CodeGenerator* gen, Register buffer, \ |
| 478 | Register index1, int32_t index2, int32_t length, \ |
| 479 | XMMRegister value) \ |
| 480 | : OutOfLineCode(gen), \ |
| 481 | buffer_(buffer), \ |
| 482 | index1_(index1), \ |
| 483 | index2_(index2), \ |
| 484 | length_(length), \ |
| 485 | value_(value) {} \ |
| 486 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 487 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 488 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 489 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 490 | __ j(above_equal, exit()); \ |
| 491 | __ asm_instr(Operand(buffer_, kScratchRegister, times_1, 0), \ |
| 492 | value_); \ |
| 493 | } \ |
| 494 | \ |
| 495 | private: \ |
| 496 | Register const buffer_; \ |
| 497 | Register const index1_; \ |
| 498 | int32_t const index2_; \ |
| 499 | int32_t const length_; \ |
| 500 | XMMRegister const value_; \ |
| 501 | }; \ |
| 502 | auto ool = new (zone()) \ |
| 503 | OutOfLineStoreFloat(this, buffer, index1, index2, length, value); \ |
| 504 | __ j(above_equal, ool->entry()); \ |
| 505 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 506 | __ bind(ool->exit()); \ |
| 507 | } \ |
| 508 | } while (false) |
| 509 | |
| 510 | |
| 511 | #define ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Value) \ |
| 512 | do { \ |
| 513 | auto buffer = i.InputRegister(0); \ |
| 514 | auto index1 = i.InputRegister(1); \ |
| 515 | auto index2 = i.InputInt32(2); \ |
| 516 | if (instr->InputAt(3)->IsRegister()) { \ |
| 517 | auto length = i.InputRegister(3); \ |
| 518 | DCHECK_EQ(0, index2); \ |
| 519 | Label done; \ |
| 520 | __ cmpl(index1, length); \ |
| 521 | __ j(above_equal, &done, Label::kNear); \ |
| 522 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 523 | __ bind(&done); \ |
| 524 | } else { \ |
| 525 | auto length = i.InputInt32(3); \ |
| 526 | DCHECK_LE(index2, length); \ |
| 527 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 528 | class OutOfLineStoreInteger final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 529 | public: \ |
| 530 | OutOfLineStoreInteger(CodeGenerator* gen, Register buffer, \ |
| 531 | Register index1, int32_t index2, int32_t length, \ |
| 532 | Value value) \ |
| 533 | : OutOfLineCode(gen), \ |
| 534 | buffer_(buffer), \ |
| 535 | index1_(index1), \ |
| 536 | index2_(index2), \ |
| 537 | length_(length), \ |
| 538 | value_(value) {} \ |
| 539 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 540 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 541 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 542 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 543 | __ j(above_equal, exit()); \ |
| 544 | __ asm_instr(Operand(buffer_, kScratchRegister, times_1, 0), \ |
| 545 | value_); \ |
| 546 | } \ |
| 547 | \ |
| 548 | private: \ |
| 549 | Register const buffer_; \ |
| 550 | Register const index1_; \ |
| 551 | int32_t const index2_; \ |
| 552 | int32_t const length_; \ |
| 553 | Value const value_; \ |
| 554 | }; \ |
| 555 | auto ool = new (zone()) \ |
| 556 | OutOfLineStoreInteger(this, buffer, index1, index2, length, value); \ |
| 557 | __ j(above_equal, ool->entry()); \ |
| 558 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 559 | __ bind(ool->exit()); \ |
| 560 | } \ |
| 561 | } while (false) |
| 562 | |
| 563 | |
| 564 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr) \ |
| 565 | do { \ |
| 566 | if (instr->InputAt(4)->IsRegister()) { \ |
| 567 | Register value = i.InputRegister(4); \ |
| 568 | ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Register); \ |
| 569 | } else { \ |
| 570 | Immediate value = i.InputImmediate(4); \ |
| 571 | ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Immediate); \ |
| 572 | } \ |
| 573 | } while (false) |
| 574 | |
| 575 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 576 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 577 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 578 | if (sp_slot_delta > 0) { |
| 579 | __ addq(rsp, Immediate(sp_slot_delta * kPointerSize)); |
| 580 | } |
| 581 | frame_access_state()->SetFrameAccessToDefault(); |
| 582 | } |
| 583 | |
| 584 | |
| 585 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 586 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 587 | if (sp_slot_delta < 0) { |
| 588 | __ subq(rsp, Immediate(-sp_slot_delta * kPointerSize)); |
| 589 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 590 | } |
| 591 | if (frame()->needs_frame()) { |
| 592 | __ movq(rbp, MemOperand(rbp, 0)); |
| 593 | } |
| 594 | frame_access_state()->SetFrameAccessToSP(); |
| 595 | } |
| 596 | |
| 597 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 598 | // Assembles an instruction after register allocation, producing machine code. |
| 599 | void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
| 600 | X64OperandConverter i(this, instr); |
| 601 | |
| 602 | switch (ArchOpcodeField::decode(instr->opcode())) { |
| 603 | case kArchCallCodeObject: { |
| 604 | EnsureSpaceForLazyDeopt(); |
| 605 | if (HasImmediateInput(instr, 0)) { |
| 606 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 607 | __ Call(code, RelocInfo::CODE_TARGET); |
| 608 | } else { |
| 609 | Register reg = i.InputRegister(0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 610 | __ addp(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 611 | __ call(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 612 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 613 | RecordCallPosition(instr); |
| 614 | frame_access_state()->ClearSPDelta(); |
| 615 | break; |
| 616 | } |
| 617 | case kArchTailCallCodeObject: { |
| 618 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 619 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 620 | if (HasImmediateInput(instr, 0)) { |
| 621 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 622 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 623 | } else { |
| 624 | Register reg = i.InputRegister(0); |
| 625 | __ addp(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 626 | __ jmp(reg); |
| 627 | } |
| 628 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 629 | break; |
| 630 | } |
| 631 | case kArchCallJSFunction: { |
| 632 | EnsureSpaceForLazyDeopt(); |
| 633 | Register func = i.InputRegister(0); |
| 634 | if (FLAG_debug_code) { |
| 635 | // Check the function's context matches the context argument. |
| 636 | __ cmpp(rsi, FieldOperand(func, JSFunction::kContextOffset)); |
| 637 | __ Assert(equal, kWrongFunctionContext); |
| 638 | } |
| 639 | __ Call(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 640 | frame_access_state()->ClearSPDelta(); |
| 641 | RecordCallPosition(instr); |
| 642 | break; |
| 643 | } |
| 644 | case kArchTailCallJSFunction: { |
| 645 | Register func = i.InputRegister(0); |
| 646 | if (FLAG_debug_code) { |
| 647 | // Check the function's context matches the context argument. |
| 648 | __ cmpp(rsi, FieldOperand(func, JSFunction::kContextOffset)); |
| 649 | __ Assert(equal, kWrongFunctionContext); |
| 650 | } |
| 651 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 652 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 653 | __ jmp(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
| 654 | frame_access_state()->ClearSPDelta(); |
| 655 | break; |
| 656 | } |
| 657 | case kArchLazyBailout: { |
| 658 | EnsureSpaceForLazyDeopt(); |
| 659 | RecordCallPosition(instr); |
| 660 | break; |
| 661 | } |
| 662 | case kArchPrepareCallCFunction: { |
| 663 | // Frame alignment requires using FP-relative frame addressing. |
| 664 | frame_access_state()->SetFrameAccessToFP(); |
| 665 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 666 | __ PrepareCallCFunction(num_parameters); |
| 667 | break; |
| 668 | } |
| 669 | case kArchPrepareTailCall: |
| 670 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 671 | break; |
| 672 | case kArchCallCFunction: { |
| 673 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 674 | if (HasImmediateInput(instr, 0)) { |
| 675 | ExternalReference ref = i.InputExternalReference(0); |
| 676 | __ CallCFunction(ref, num_parameters); |
| 677 | } else { |
| 678 | Register func = i.InputRegister(0); |
| 679 | __ CallCFunction(func, num_parameters); |
| 680 | } |
| 681 | frame_access_state()->SetFrameAccessToDefault(); |
| 682 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 683 | break; |
| 684 | } |
| 685 | case kArchJmp: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 686 | AssembleArchJump(i.InputRpo(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 687 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 688 | case kArchLookupSwitch: |
| 689 | AssembleArchLookupSwitch(instr); |
| 690 | break; |
| 691 | case kArchTableSwitch: |
| 692 | AssembleArchTableSwitch(instr); |
| 693 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 694 | case kArchNop: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 695 | case kArchThrowTerminator: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 696 | // don't emit code for nops. |
| 697 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 698 | case kArchDeoptimize: { |
| 699 | int deopt_state_id = |
| 700 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 701 | Deoptimizer::BailoutType bailout_type = |
| 702 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
| 703 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 704 | break; |
| 705 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 706 | case kArchRet: |
| 707 | AssembleReturn(); |
| 708 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 709 | case kArchStackPointer: |
| 710 | __ movq(i.OutputRegister(), rsp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 711 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 712 | case kArchFramePointer: |
| 713 | __ movq(i.OutputRegister(), rbp); |
| 714 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 715 | case kArchTruncateDoubleToI: { |
| 716 | auto result = i.OutputRegister(); |
| 717 | auto input = i.InputDoubleRegister(0); |
| 718 | auto ool = new (zone()) OutOfLineTruncateDoubleToI(this, result, input); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 719 | __ Cvttsd2siq(result, input); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 720 | __ cmpq(result, Immediate(1)); |
| 721 | __ j(overflow, ool->entry()); |
| 722 | __ bind(ool->exit()); |
| 723 | break; |
| 724 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 725 | case kArchStoreWithWriteBarrier: { |
| 726 | RecordWriteMode mode = |
| 727 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 728 | Register object = i.InputRegister(0); |
| 729 | size_t index = 0; |
| 730 | Operand operand = i.MemoryOperand(&index); |
| 731 | Register value = i.InputRegister(index); |
| 732 | Register scratch0 = i.TempRegister(0); |
| 733 | Register scratch1 = i.TempRegister(1); |
| 734 | auto ool = new (zone()) OutOfLineRecordWrite(this, object, operand, value, |
| 735 | scratch0, scratch1, mode); |
| 736 | __ movp(operand, value); |
| 737 | __ CheckPageFlag(object, scratch0, |
| 738 | MemoryChunk::kPointersFromHereAreInterestingMask, |
| 739 | not_zero, ool->entry()); |
| 740 | __ bind(ool->exit()); |
| 741 | break; |
| 742 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 743 | case kX64Add32: |
| 744 | ASSEMBLE_BINOP(addl); |
| 745 | break; |
| 746 | case kX64Add: |
| 747 | ASSEMBLE_BINOP(addq); |
| 748 | break; |
| 749 | case kX64Sub32: |
| 750 | ASSEMBLE_BINOP(subl); |
| 751 | break; |
| 752 | case kX64Sub: |
| 753 | ASSEMBLE_BINOP(subq); |
| 754 | break; |
| 755 | case kX64And32: |
| 756 | ASSEMBLE_BINOP(andl); |
| 757 | break; |
| 758 | case kX64And: |
| 759 | ASSEMBLE_BINOP(andq); |
| 760 | break; |
| 761 | case kX64Cmp32: |
| 762 | ASSEMBLE_BINOP(cmpl); |
| 763 | break; |
| 764 | case kX64Cmp: |
| 765 | ASSEMBLE_BINOP(cmpq); |
| 766 | break; |
| 767 | case kX64Test32: |
| 768 | ASSEMBLE_BINOP(testl); |
| 769 | break; |
| 770 | case kX64Test: |
| 771 | ASSEMBLE_BINOP(testq); |
| 772 | break; |
| 773 | case kX64Imul32: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 774 | ASSEMBLE_MULT(imull); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 775 | break; |
| 776 | case kX64Imul: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 777 | ASSEMBLE_MULT(imulq); |
| 778 | break; |
| 779 | case kX64ImulHigh32: |
| 780 | if (instr->InputAt(1)->IsRegister()) { |
| 781 | __ imull(i.InputRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 782 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 783 | __ imull(i.InputOperand(1)); |
| 784 | } |
| 785 | break; |
| 786 | case kX64UmulHigh32: |
| 787 | if (instr->InputAt(1)->IsRegister()) { |
| 788 | __ mull(i.InputRegister(1)); |
| 789 | } else { |
| 790 | __ mull(i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 791 | } |
| 792 | break; |
| 793 | case kX64Idiv32: |
| 794 | __ cdq(); |
| 795 | __ idivl(i.InputRegister(1)); |
| 796 | break; |
| 797 | case kX64Idiv: |
| 798 | __ cqo(); |
| 799 | __ idivq(i.InputRegister(1)); |
| 800 | break; |
| 801 | case kX64Udiv32: |
| 802 | __ xorl(rdx, rdx); |
| 803 | __ divl(i.InputRegister(1)); |
| 804 | break; |
| 805 | case kX64Udiv: |
| 806 | __ xorq(rdx, rdx); |
| 807 | __ divq(i.InputRegister(1)); |
| 808 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 809 | case kX64Not: |
| 810 | ASSEMBLE_UNOP(notq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 811 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 812 | case kX64Not32: |
| 813 | ASSEMBLE_UNOP(notl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 814 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 815 | case kX64Neg: |
| 816 | ASSEMBLE_UNOP(negq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 817 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 818 | case kX64Neg32: |
| 819 | ASSEMBLE_UNOP(negl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 820 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 821 | case kX64Or32: |
| 822 | ASSEMBLE_BINOP(orl); |
| 823 | break; |
| 824 | case kX64Or: |
| 825 | ASSEMBLE_BINOP(orq); |
| 826 | break; |
| 827 | case kX64Xor32: |
| 828 | ASSEMBLE_BINOP(xorl); |
| 829 | break; |
| 830 | case kX64Xor: |
| 831 | ASSEMBLE_BINOP(xorq); |
| 832 | break; |
| 833 | case kX64Shl32: |
| 834 | ASSEMBLE_SHIFT(shll, 5); |
| 835 | break; |
| 836 | case kX64Shl: |
| 837 | ASSEMBLE_SHIFT(shlq, 6); |
| 838 | break; |
| 839 | case kX64Shr32: |
| 840 | ASSEMBLE_SHIFT(shrl, 5); |
| 841 | break; |
| 842 | case kX64Shr: |
| 843 | ASSEMBLE_SHIFT(shrq, 6); |
| 844 | break; |
| 845 | case kX64Sar32: |
| 846 | ASSEMBLE_SHIFT(sarl, 5); |
| 847 | break; |
| 848 | case kX64Sar: |
| 849 | ASSEMBLE_SHIFT(sarq, 6); |
| 850 | break; |
| 851 | case kX64Ror32: |
| 852 | ASSEMBLE_SHIFT(rorl, 5); |
| 853 | break; |
| 854 | case kX64Ror: |
| 855 | ASSEMBLE_SHIFT(rorq, 6); |
| 856 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 857 | case kX64Lzcnt: |
| 858 | if (instr->InputAt(0)->IsRegister()) { |
| 859 | __ Lzcntq(i.OutputRegister(), i.InputRegister(0)); |
| 860 | } else { |
| 861 | __ Lzcntq(i.OutputRegister(), i.InputOperand(0)); |
| 862 | } |
| 863 | break; |
| 864 | case kX64Lzcnt32: |
| 865 | if (instr->InputAt(0)->IsRegister()) { |
| 866 | __ Lzcntl(i.OutputRegister(), i.InputRegister(0)); |
| 867 | } else { |
| 868 | __ Lzcntl(i.OutputRegister(), i.InputOperand(0)); |
| 869 | } |
| 870 | break; |
| 871 | case kX64Tzcnt: |
| 872 | if (instr->InputAt(0)->IsRegister()) { |
| 873 | __ Tzcntq(i.OutputRegister(), i.InputRegister(0)); |
| 874 | } else { |
| 875 | __ Tzcntq(i.OutputRegister(), i.InputOperand(0)); |
| 876 | } |
| 877 | break; |
| 878 | case kX64Tzcnt32: |
| 879 | if (instr->InputAt(0)->IsRegister()) { |
| 880 | __ Tzcntl(i.OutputRegister(), i.InputRegister(0)); |
| 881 | } else { |
| 882 | __ Tzcntl(i.OutputRegister(), i.InputOperand(0)); |
| 883 | } |
| 884 | break; |
| 885 | case kX64Popcnt: |
| 886 | if (instr->InputAt(0)->IsRegister()) { |
| 887 | __ Popcntq(i.OutputRegister(), i.InputRegister(0)); |
| 888 | } else { |
| 889 | __ Popcntq(i.OutputRegister(), i.InputOperand(0)); |
| 890 | } |
| 891 | break; |
| 892 | case kX64Popcnt32: |
| 893 | if (instr->InputAt(0)->IsRegister()) { |
| 894 | __ Popcntl(i.OutputRegister(), i.InputRegister(0)); |
| 895 | } else { |
| 896 | __ Popcntl(i.OutputRegister(), i.InputOperand(0)); |
| 897 | } |
| 898 | break; |
| 899 | case kSSEFloat32Cmp: |
| 900 | ASSEMBLE_SSE_BINOP(Ucomiss); |
| 901 | break; |
| 902 | case kSSEFloat32Add: |
| 903 | ASSEMBLE_SSE_BINOP(addss); |
| 904 | break; |
| 905 | case kSSEFloat32Sub: |
| 906 | ASSEMBLE_SSE_BINOP(subss); |
| 907 | break; |
| 908 | case kSSEFloat32Mul: |
| 909 | ASSEMBLE_SSE_BINOP(mulss); |
| 910 | break; |
| 911 | case kSSEFloat32Div: |
| 912 | ASSEMBLE_SSE_BINOP(divss); |
| 913 | // Don't delete this mov. It may improve performance on some CPUs, |
| 914 | // when there is a (v)mulss depending on the result. |
| 915 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 916 | break; |
| 917 | case kSSEFloat32Abs: { |
| 918 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 919 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 920 | __ psrlq(kScratchDoubleReg, 33); |
| 921 | __ andps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 922 | break; |
| 923 | } |
| 924 | case kSSEFloat32Neg: { |
| 925 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 926 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 927 | __ psllq(kScratchDoubleReg, 31); |
| 928 | __ xorps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 929 | break; |
| 930 | } |
| 931 | case kSSEFloat32Sqrt: |
| 932 | ASSEMBLE_SSE_UNOP(sqrtss); |
| 933 | break; |
| 934 | case kSSEFloat32Max: |
| 935 | ASSEMBLE_SSE_BINOP(maxss); |
| 936 | break; |
| 937 | case kSSEFloat32Min: |
| 938 | ASSEMBLE_SSE_BINOP(minss); |
| 939 | break; |
| 940 | case kSSEFloat32ToFloat64: |
| 941 | ASSEMBLE_SSE_UNOP(Cvtss2sd); |
| 942 | break; |
| 943 | case kSSEFloat32Round: { |
| 944 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
| 945 | RoundingMode const mode = |
| 946 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 947 | __ Roundss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
| 948 | break; |
| 949 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 950 | case kSSEFloat64Cmp: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 951 | ASSEMBLE_SSE_BINOP(Ucomisd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 952 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 953 | case kSSEFloat64Add: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 954 | ASSEMBLE_SSE_BINOP(addsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 955 | break; |
| 956 | case kSSEFloat64Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 957 | ASSEMBLE_SSE_BINOP(subsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 958 | break; |
| 959 | case kSSEFloat64Mul: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 960 | ASSEMBLE_SSE_BINOP(mulsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 961 | break; |
| 962 | case kSSEFloat64Div: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 963 | ASSEMBLE_SSE_BINOP(divsd); |
| 964 | // Don't delete this mov. It may improve performance on some CPUs, |
| 965 | // when there is a (v)mulsd depending on the result. |
| 966 | __ Movapd(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 967 | break; |
| 968 | case kSSEFloat64Mod: { |
| 969 | __ subq(rsp, Immediate(kDoubleSize)); |
| 970 | // Move values to st(0) and st(1). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 971 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 972 | __ fld_d(Operand(rsp, 0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 973 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 974 | __ fld_d(Operand(rsp, 0)); |
| 975 | // Loop while fprem isn't done. |
| 976 | Label mod_loop; |
| 977 | __ bind(&mod_loop); |
| 978 | // This instructions traps on all kinds inputs, but we are assuming the |
| 979 | // floating point control word is set to ignore them all. |
| 980 | __ fprem(); |
| 981 | // The following 2 instruction implicitly use rax. |
| 982 | __ fnstsw_ax(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 983 | if (CpuFeatures::IsSupported(SAHF)) { |
| 984 | CpuFeatureScope sahf_scope(masm(), SAHF); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 985 | __ sahf(); |
| 986 | } else { |
| 987 | __ shrl(rax, Immediate(8)); |
| 988 | __ andl(rax, Immediate(0xFF)); |
| 989 | __ pushq(rax); |
| 990 | __ popfq(); |
| 991 | } |
| 992 | __ j(parity_even, &mod_loop); |
| 993 | // Move output to stack and clean up. |
| 994 | __ fstp(1); |
| 995 | __ fstp_d(Operand(rsp, 0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 996 | __ Movsd(i.OutputDoubleRegister(), Operand(rsp, 0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 997 | __ addq(rsp, Immediate(kDoubleSize)); |
| 998 | break; |
| 999 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1000 | case kSSEFloat64Max: |
| 1001 | ASSEMBLE_SSE_BINOP(maxsd); |
| 1002 | break; |
| 1003 | case kSSEFloat64Min: |
| 1004 | ASSEMBLE_SSE_BINOP(minsd); |
| 1005 | break; |
| 1006 | case kSSEFloat64Abs: { |
| 1007 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1008 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 1009 | __ psrlq(kScratchDoubleReg, 1); |
| 1010 | __ andpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 1011 | break; |
| 1012 | } |
| 1013 | case kSSEFloat64Neg: { |
| 1014 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1015 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 1016 | __ psllq(kScratchDoubleReg, 63); |
| 1017 | __ xorpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 1018 | break; |
| 1019 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1020 | case kSSEFloat64Sqrt: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1021 | ASSEMBLE_SSE_UNOP(sqrtsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1022 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1023 | case kSSEFloat64Round: { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1024 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1025 | RoundingMode const mode = |
| 1026 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 1027 | __ Roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1028 | break; |
| 1029 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1030 | case kSSEFloat64ToFloat32: |
| 1031 | ASSEMBLE_SSE_UNOP(Cvtsd2ss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1032 | break; |
| 1033 | case kSSEFloat64ToInt32: |
| 1034 | if (instr->InputAt(0)->IsDoubleRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1035 | __ Cvttsd2si(i.OutputRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1036 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1037 | __ Cvttsd2si(i.OutputRegister(), i.InputOperand(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1038 | } |
| 1039 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1040 | case kSSEFloat64ToUint32: { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1041 | if (instr->InputAt(0)->IsDoubleRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1042 | __ Cvttsd2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1043 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1044 | __ Cvttsd2siq(i.OutputRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1045 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1046 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1047 | break; |
| 1048 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1049 | case kSSEFloat32ToInt64: |
| 1050 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1051 | __ Cvttss2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1052 | } else { |
| 1053 | __ Cvttss2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1054 | } |
| 1055 | if (instr->OutputCount() > 1) { |
| 1056 | __ Set(i.OutputRegister(1), 1); |
| 1057 | Label done; |
| 1058 | Label fail; |
| 1059 | __ Move(kScratchDoubleReg, static_cast<float>(INT64_MIN)); |
| 1060 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1061 | __ Ucomiss(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1062 | } else { |
| 1063 | __ Ucomiss(kScratchDoubleReg, i.InputOperand(0)); |
| 1064 | } |
| 1065 | // If the input is NaN, then the conversion fails. |
| 1066 | __ j(parity_even, &fail); |
| 1067 | // If the input is INT64_MIN, then the conversion succeeds. |
| 1068 | __ j(equal, &done); |
| 1069 | __ cmpq(i.OutputRegister(0), Immediate(1)); |
| 1070 | // If the conversion results in INT64_MIN, but the input was not |
| 1071 | // INT64_MIN, then the conversion fails. |
| 1072 | __ j(no_overflow, &done); |
| 1073 | __ bind(&fail); |
| 1074 | __ Set(i.OutputRegister(1), 0); |
| 1075 | __ bind(&done); |
| 1076 | } |
| 1077 | break; |
| 1078 | case kSSEFloat64ToInt64: |
| 1079 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1080 | __ Cvttsd2siq(i.OutputRegister(0), i.InputDoubleRegister(0)); |
| 1081 | } else { |
| 1082 | __ Cvttsd2siq(i.OutputRegister(0), i.InputOperand(0)); |
| 1083 | } |
| 1084 | if (instr->OutputCount() > 1) { |
| 1085 | __ Set(i.OutputRegister(1), 1); |
| 1086 | Label done; |
| 1087 | Label fail; |
| 1088 | __ Move(kScratchDoubleReg, static_cast<double>(INT64_MIN)); |
| 1089 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1090 | __ Ucomisd(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1091 | } else { |
| 1092 | __ Ucomisd(kScratchDoubleReg, i.InputOperand(0)); |
| 1093 | } |
| 1094 | // If the input is NaN, then the conversion fails. |
| 1095 | __ j(parity_even, &fail); |
| 1096 | // If the input is INT64_MIN, then the conversion succeeds. |
| 1097 | __ j(equal, &done); |
| 1098 | __ cmpq(i.OutputRegister(0), Immediate(1)); |
| 1099 | // If the conversion results in INT64_MIN, but the input was not |
| 1100 | // INT64_MIN, then the conversion fails. |
| 1101 | __ j(no_overflow, &done); |
| 1102 | __ bind(&fail); |
| 1103 | __ Set(i.OutputRegister(1), 0); |
| 1104 | __ bind(&done); |
| 1105 | } |
| 1106 | break; |
| 1107 | case kSSEFloat32ToUint64: { |
| 1108 | Label done; |
| 1109 | Label success; |
| 1110 | if (instr->OutputCount() > 1) { |
| 1111 | __ Set(i.OutputRegister(1), 0); |
| 1112 | } |
| 1113 | // There does not exist a Float32ToUint64 instruction, so we have to use |
| 1114 | // the Float32ToInt64 instruction. |
| 1115 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1116 | __ Cvttss2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1117 | } else { |
| 1118 | __ Cvttss2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1119 | } |
| 1120 | // Check if the result of the Float32ToInt64 conversion is positive, we |
| 1121 | // are already done. |
| 1122 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1123 | __ j(positive, &success); |
| 1124 | // The result of the first conversion was negative, which means that the |
| 1125 | // input value was not within the positive int64 range. We subtract 2^64 |
| 1126 | // and convert it again to see if it is within the uint64 range. |
| 1127 | __ Move(kScratchDoubleReg, -9223372036854775808.0f); |
| 1128 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1129 | __ addss(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1130 | } else { |
| 1131 | __ addss(kScratchDoubleReg, i.InputOperand(0)); |
| 1132 | } |
| 1133 | __ Cvttss2siq(i.OutputRegister(), kScratchDoubleReg); |
| 1134 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1135 | // The only possible negative value here is 0x80000000000000000, which is |
| 1136 | // used on x64 to indicate an integer overflow. |
| 1137 | __ j(negative, &done); |
| 1138 | // The input value is within uint64 range and the second conversion worked |
| 1139 | // successfully, but we still have to undo the subtraction we did |
| 1140 | // earlier. |
| 1141 | __ Set(kScratchRegister, 0x8000000000000000); |
| 1142 | __ orq(i.OutputRegister(), kScratchRegister); |
| 1143 | __ bind(&success); |
| 1144 | if (instr->OutputCount() > 1) { |
| 1145 | __ Set(i.OutputRegister(1), 1); |
| 1146 | } |
| 1147 | __ bind(&done); |
| 1148 | break; |
| 1149 | } |
| 1150 | case kSSEFloat64ToUint64: { |
| 1151 | Label done; |
| 1152 | Label success; |
| 1153 | if (instr->OutputCount() > 1) { |
| 1154 | __ Set(i.OutputRegister(1), 0); |
| 1155 | } |
| 1156 | // There does not exist a Float64ToUint64 instruction, so we have to use |
| 1157 | // the Float64ToInt64 instruction. |
| 1158 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1159 | __ Cvttsd2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1160 | } else { |
| 1161 | __ Cvttsd2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1162 | } |
| 1163 | // Check if the result of the Float64ToInt64 conversion is positive, we |
| 1164 | // are already done. |
| 1165 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1166 | __ j(positive, &success); |
| 1167 | // The result of the first conversion was negative, which means that the |
| 1168 | // input value was not within the positive int64 range. We subtract 2^64 |
| 1169 | // and convert it again to see if it is within the uint64 range. |
| 1170 | __ Move(kScratchDoubleReg, -9223372036854775808.0); |
| 1171 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1172 | __ addsd(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1173 | } else { |
| 1174 | __ addsd(kScratchDoubleReg, i.InputOperand(0)); |
| 1175 | } |
| 1176 | __ Cvttsd2siq(i.OutputRegister(), kScratchDoubleReg); |
| 1177 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1178 | // The only possible negative value here is 0x80000000000000000, which is |
| 1179 | // used on x64 to indicate an integer overflow. |
| 1180 | __ j(negative, &done); |
| 1181 | // The input value is within uint64 range and the second conversion worked |
| 1182 | // successfully, but we still have to undo the subtraction we did |
| 1183 | // earlier. |
| 1184 | __ Set(kScratchRegister, 0x8000000000000000); |
| 1185 | __ orq(i.OutputRegister(), kScratchRegister); |
| 1186 | __ bind(&success); |
| 1187 | if (instr->OutputCount() > 1) { |
| 1188 | __ Set(i.OutputRegister(1), 1); |
| 1189 | } |
| 1190 | __ bind(&done); |
| 1191 | break; |
| 1192 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1193 | case kSSEInt32ToFloat64: |
| 1194 | if (instr->InputAt(0)->IsRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1195 | __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1196 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1197 | __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1198 | } |
| 1199 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1200 | case kSSEInt64ToFloat32: |
| 1201 | if (instr->InputAt(0)->IsRegister()) { |
| 1202 | __ Cvtqsi2ss(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1203 | } else { |
| 1204 | __ Cvtqsi2ss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1205 | } |
| 1206 | break; |
| 1207 | case kSSEInt64ToFloat64: |
| 1208 | if (instr->InputAt(0)->IsRegister()) { |
| 1209 | __ Cvtqsi2sd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1210 | } else { |
| 1211 | __ Cvtqsi2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1212 | } |
| 1213 | break; |
| 1214 | case kSSEUint64ToFloat32: |
| 1215 | if (instr->InputAt(0)->IsRegister()) { |
| 1216 | __ movq(kScratchRegister, i.InputRegister(0)); |
| 1217 | } else { |
| 1218 | __ movq(kScratchRegister, i.InputOperand(0)); |
| 1219 | } |
| 1220 | __ Cvtqui2ss(i.OutputDoubleRegister(), kScratchRegister, |
| 1221 | i.TempRegister(0)); |
| 1222 | break; |
| 1223 | case kSSEUint64ToFloat64: |
| 1224 | if (instr->InputAt(0)->IsRegister()) { |
| 1225 | __ movq(kScratchRegister, i.InputRegister(0)); |
| 1226 | } else { |
| 1227 | __ movq(kScratchRegister, i.InputOperand(0)); |
| 1228 | } |
| 1229 | __ Cvtqui2sd(i.OutputDoubleRegister(), kScratchRegister, |
| 1230 | i.TempRegister(0)); |
| 1231 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1232 | case kSSEUint32ToFloat64: |
| 1233 | if (instr->InputAt(0)->IsRegister()) { |
| 1234 | __ movl(kScratchRegister, i.InputRegister(0)); |
| 1235 | } else { |
| 1236 | __ movl(kScratchRegister, i.InputOperand(0)); |
| 1237 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1238 | __ Cvtqsi2sd(i.OutputDoubleRegister(), kScratchRegister); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1239 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1240 | case kSSEFloat64ExtractLowWord32: |
| 1241 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1242 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
| 1243 | } else { |
| 1244 | __ Movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1245 | } |
| 1246 | break; |
| 1247 | case kSSEFloat64ExtractHighWord32: |
| 1248 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1249 | __ movl(i.OutputRegister(), i.InputOperand(0, kDoubleSize / 2)); |
| 1250 | } else { |
| 1251 | __ Pextrd(i.OutputRegister(), i.InputDoubleRegister(0), 1); |
| 1252 | } |
| 1253 | break; |
| 1254 | case kSSEFloat64InsertLowWord32: |
| 1255 | if (instr->InputAt(1)->IsRegister()) { |
| 1256 | __ Pinsrd(i.OutputDoubleRegister(), i.InputRegister(1), 0); |
| 1257 | } else { |
| 1258 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 0); |
| 1259 | } |
| 1260 | break; |
| 1261 | case kSSEFloat64InsertHighWord32: |
| 1262 | if (instr->InputAt(1)->IsRegister()) { |
| 1263 | __ Pinsrd(i.OutputDoubleRegister(), i.InputRegister(1), 1); |
| 1264 | } else { |
| 1265 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 1); |
| 1266 | } |
| 1267 | break; |
| 1268 | case kSSEFloat64LoadLowWord32: |
| 1269 | if (instr->InputAt(0)->IsRegister()) { |
| 1270 | __ Movd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1271 | } else { |
| 1272 | __ Movd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1273 | } |
| 1274 | break; |
| 1275 | case kAVXFloat32Cmp: { |
| 1276 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1277 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 1278 | __ vucomiss(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 1279 | } else { |
| 1280 | __ vucomiss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 1281 | } |
| 1282 | break; |
| 1283 | } |
| 1284 | case kAVXFloat32Add: |
| 1285 | ASSEMBLE_AVX_BINOP(vaddss); |
| 1286 | break; |
| 1287 | case kAVXFloat32Sub: |
| 1288 | ASSEMBLE_AVX_BINOP(vsubss); |
| 1289 | break; |
| 1290 | case kAVXFloat32Mul: |
| 1291 | ASSEMBLE_AVX_BINOP(vmulss); |
| 1292 | break; |
| 1293 | case kAVXFloat32Div: |
| 1294 | ASSEMBLE_AVX_BINOP(vdivss); |
| 1295 | // Don't delete this mov. It may improve performance on some CPUs, |
| 1296 | // when there is a (v)mulss depending on the result. |
| 1297 | __ Movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 1298 | break; |
| 1299 | case kAVXFloat32Max: |
| 1300 | ASSEMBLE_AVX_BINOP(vmaxss); |
| 1301 | break; |
| 1302 | case kAVXFloat32Min: |
| 1303 | ASSEMBLE_AVX_BINOP(vminss); |
| 1304 | break; |
| 1305 | case kAVXFloat64Cmp: { |
| 1306 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1307 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 1308 | __ vucomisd(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 1309 | } else { |
| 1310 | __ vucomisd(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 1311 | } |
| 1312 | break; |
| 1313 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1314 | case kAVXFloat64Add: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1315 | ASSEMBLE_AVX_BINOP(vaddsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1316 | break; |
| 1317 | case kAVXFloat64Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1318 | ASSEMBLE_AVX_BINOP(vsubsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1319 | break; |
| 1320 | case kAVXFloat64Mul: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1321 | ASSEMBLE_AVX_BINOP(vmulsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1322 | break; |
| 1323 | case kAVXFloat64Div: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1324 | ASSEMBLE_AVX_BINOP(vdivsd); |
| 1325 | // Don't delete this mov. It may improve performance on some CPUs, |
| 1326 | // when there is a (v)mulsd depending on the result. |
| 1327 | __ Movapd(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1328 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1329 | case kAVXFloat64Max: |
| 1330 | ASSEMBLE_AVX_BINOP(vmaxsd); |
| 1331 | break; |
| 1332 | case kAVXFloat64Min: |
| 1333 | ASSEMBLE_AVX_BINOP(vminsd); |
| 1334 | break; |
| 1335 | case kAVXFloat32Abs: { |
| 1336 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1337 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1338 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1339 | __ vpsrlq(kScratchDoubleReg, kScratchDoubleReg, 33); |
| 1340 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1341 | __ vandps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1342 | i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1343 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1344 | __ vandps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1345 | i.InputOperand(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1346 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1347 | break; |
| 1348 | } |
| 1349 | case kAVXFloat32Neg: { |
| 1350 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1351 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1352 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1353 | __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 31); |
| 1354 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1355 | __ vxorps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1356 | i.InputDoubleRegister(0)); |
| 1357 | } else { |
| 1358 | __ vxorps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1359 | i.InputOperand(0)); |
| 1360 | } |
| 1361 | break; |
| 1362 | } |
| 1363 | case kAVXFloat64Abs: { |
| 1364 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1365 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1366 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1367 | __ vpsrlq(kScratchDoubleReg, kScratchDoubleReg, 1); |
| 1368 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1369 | __ vandpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1370 | i.InputDoubleRegister(0)); |
| 1371 | } else { |
| 1372 | __ vandpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1373 | i.InputOperand(0)); |
| 1374 | } |
| 1375 | break; |
| 1376 | } |
| 1377 | case kAVXFloat64Neg: { |
| 1378 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1379 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1380 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1381 | __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 63); |
| 1382 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1383 | __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1384 | i.InputDoubleRegister(0)); |
| 1385 | } else { |
| 1386 | __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1387 | i.InputOperand(0)); |
| 1388 | } |
| 1389 | break; |
| 1390 | } |
| 1391 | case kX64Movsxbl: |
| 1392 | ASSEMBLE_MOVX(movsxbl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1393 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1394 | break; |
| 1395 | case kX64Movzxbl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1396 | ASSEMBLE_MOVX(movzxbl); |
| 1397 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1398 | break; |
| 1399 | case kX64Movb: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1400 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1401 | Operand operand = i.MemoryOperand(&index); |
| 1402 | if (HasImmediateInput(instr, index)) { |
| 1403 | __ movb(operand, Immediate(i.InputInt8(index))); |
| 1404 | } else { |
| 1405 | __ movb(operand, i.InputRegister(index)); |
| 1406 | } |
| 1407 | break; |
| 1408 | } |
| 1409 | case kX64Movsxwl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1410 | ASSEMBLE_MOVX(movsxwl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1411 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1412 | break; |
| 1413 | case kX64Movzxwl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1414 | ASSEMBLE_MOVX(movzxwl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1415 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1416 | break; |
| 1417 | case kX64Movw: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1418 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1419 | Operand operand = i.MemoryOperand(&index); |
| 1420 | if (HasImmediateInput(instr, index)) { |
| 1421 | __ movw(operand, Immediate(i.InputInt16(index))); |
| 1422 | } else { |
| 1423 | __ movw(operand, i.InputRegister(index)); |
| 1424 | } |
| 1425 | break; |
| 1426 | } |
| 1427 | case kX64Movl: |
| 1428 | if (instr->HasOutput()) { |
| 1429 | if (instr->addressing_mode() == kMode_None) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1430 | if (instr->InputAt(0)->IsRegister()) { |
| 1431 | __ movl(i.OutputRegister(), i.InputRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1432 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1433 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1434 | } |
| 1435 | } else { |
| 1436 | __ movl(i.OutputRegister(), i.MemoryOperand()); |
| 1437 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1438 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1439 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1440 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1441 | Operand operand = i.MemoryOperand(&index); |
| 1442 | if (HasImmediateInput(instr, index)) { |
| 1443 | __ movl(operand, i.InputImmediate(index)); |
| 1444 | } else { |
| 1445 | __ movl(operand, i.InputRegister(index)); |
| 1446 | } |
| 1447 | } |
| 1448 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1449 | case kX64Movsxlq: |
| 1450 | ASSEMBLE_MOVX(movsxlq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1451 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1452 | case kX64Movq: |
| 1453 | if (instr->HasOutput()) { |
| 1454 | __ movq(i.OutputRegister(), i.MemoryOperand()); |
| 1455 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1456 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1457 | Operand operand = i.MemoryOperand(&index); |
| 1458 | if (HasImmediateInput(instr, index)) { |
| 1459 | __ movq(operand, i.InputImmediate(index)); |
| 1460 | } else { |
| 1461 | __ movq(operand, i.InputRegister(index)); |
| 1462 | } |
| 1463 | } |
| 1464 | break; |
| 1465 | case kX64Movss: |
| 1466 | if (instr->HasOutput()) { |
| 1467 | __ movss(i.OutputDoubleRegister(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1468 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1469 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1470 | Operand operand = i.MemoryOperand(&index); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1471 | __ movss(operand, i.InputDoubleRegister(index)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1472 | } |
| 1473 | break; |
| 1474 | case kX64Movsd: |
| 1475 | if (instr->HasOutput()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1476 | __ Movsd(i.OutputDoubleRegister(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1477 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1478 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1479 | Operand operand = i.MemoryOperand(&index); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1480 | __ Movsd(operand, i.InputDoubleRegister(index)); |
| 1481 | } |
| 1482 | break; |
| 1483 | case kX64BitcastFI: |
| 1484 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1485 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
| 1486 | } else { |
| 1487 | __ Movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1488 | } |
| 1489 | break; |
| 1490 | case kX64BitcastDL: |
| 1491 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1492 | __ movq(i.OutputRegister(), i.InputOperand(0)); |
| 1493 | } else { |
| 1494 | __ Movq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1495 | } |
| 1496 | break; |
| 1497 | case kX64BitcastIF: |
| 1498 | if (instr->InputAt(0)->IsRegister()) { |
| 1499 | __ Movd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1500 | } else { |
| 1501 | __ movss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1502 | } |
| 1503 | break; |
| 1504 | case kX64BitcastLD: |
| 1505 | if (instr->InputAt(0)->IsRegister()) { |
| 1506 | __ Movq(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1507 | } else { |
| 1508 | __ Movsd(i.OutputDoubleRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1509 | } |
| 1510 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1511 | case kX64Lea32: { |
| 1512 | AddressingMode mode = AddressingModeField::decode(instr->opcode()); |
| 1513 | // Shorten "leal" to "addl", "subl" or "shll" if the register allocation |
| 1514 | // and addressing mode just happens to work out. The "addl"/"subl" forms |
| 1515 | // in these cases are faster based on measurements. |
| 1516 | if (i.InputRegister(0).is(i.OutputRegister())) { |
| 1517 | if (mode == kMode_MRI) { |
| 1518 | int32_t constant_summand = i.InputInt32(1); |
| 1519 | if (constant_summand > 0) { |
| 1520 | __ addl(i.OutputRegister(), Immediate(constant_summand)); |
| 1521 | } else if (constant_summand < 0) { |
| 1522 | __ subl(i.OutputRegister(), Immediate(-constant_summand)); |
| 1523 | } |
| 1524 | } else if (mode == kMode_MR1) { |
| 1525 | if (i.InputRegister(1).is(i.OutputRegister())) { |
| 1526 | __ shll(i.OutputRegister(), Immediate(1)); |
| 1527 | } else { |
| 1528 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1529 | } |
| 1530 | } else if (mode == kMode_M2) { |
| 1531 | __ shll(i.OutputRegister(), Immediate(1)); |
| 1532 | } else if (mode == kMode_M4) { |
| 1533 | __ shll(i.OutputRegister(), Immediate(2)); |
| 1534 | } else if (mode == kMode_M8) { |
| 1535 | __ shll(i.OutputRegister(), Immediate(3)); |
| 1536 | } else { |
| 1537 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1538 | } |
| 1539 | } else { |
| 1540 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1541 | } |
| 1542 | __ AssertZeroExtended(i.OutputRegister()); |
| 1543 | break; |
| 1544 | } |
| 1545 | case kX64Lea: |
| 1546 | __ leaq(i.OutputRegister(), i.MemoryOperand()); |
| 1547 | break; |
| 1548 | case kX64Dec32: |
| 1549 | __ decl(i.OutputRegister()); |
| 1550 | break; |
| 1551 | case kX64Inc32: |
| 1552 | __ incl(i.OutputRegister()); |
| 1553 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1554 | case kX64Push: |
| 1555 | if (HasImmediateInput(instr, 0)) { |
| 1556 | __ pushq(i.InputImmediate(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1557 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1558 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1559 | if (instr->InputAt(0)->IsRegister()) { |
| 1560 | __ pushq(i.InputRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1561 | frame_access_state()->IncreaseSPDelta(1); |
| 1562 | } else if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1563 | // TODO(titzer): use another machine instruction? |
| 1564 | __ subq(rsp, Immediate(kDoubleSize)); |
| 1565 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1566 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1567 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1568 | __ pushq(i.InputOperand(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1569 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1570 | } |
| 1571 | } |
| 1572 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1573 | case kX64Poke: { |
| 1574 | int const slot = MiscField::decode(instr->opcode()); |
| 1575 | if (HasImmediateInput(instr, 0)) { |
| 1576 | __ movq(Operand(rsp, slot * kPointerSize), i.InputImmediate(0)); |
| 1577 | } else { |
| 1578 | __ movq(Operand(rsp, slot * kPointerSize), i.InputRegister(0)); |
| 1579 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1580 | break; |
| 1581 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1582 | case kCheckedLoadInt8: |
| 1583 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsxbl); |
| 1584 | break; |
| 1585 | case kCheckedLoadUint8: |
| 1586 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzxbl); |
| 1587 | break; |
| 1588 | case kCheckedLoadInt16: |
| 1589 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsxwl); |
| 1590 | break; |
| 1591 | case kCheckedLoadUint16: |
| 1592 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzxwl); |
| 1593 | break; |
| 1594 | case kCheckedLoadWord32: |
| 1595 | ASSEMBLE_CHECKED_LOAD_INTEGER(movl); |
| 1596 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1597 | case kCheckedLoadWord64: |
| 1598 | ASSEMBLE_CHECKED_LOAD_INTEGER(movq); |
| 1599 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1600 | case kCheckedLoadFloat32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1601 | ASSEMBLE_CHECKED_LOAD_FLOAT(Movss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1602 | break; |
| 1603 | case kCheckedLoadFloat64: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1604 | ASSEMBLE_CHECKED_LOAD_FLOAT(Movsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1605 | break; |
| 1606 | case kCheckedStoreWord8: |
| 1607 | ASSEMBLE_CHECKED_STORE_INTEGER(movb); |
| 1608 | break; |
| 1609 | case kCheckedStoreWord16: |
| 1610 | ASSEMBLE_CHECKED_STORE_INTEGER(movw); |
| 1611 | break; |
| 1612 | case kCheckedStoreWord32: |
| 1613 | ASSEMBLE_CHECKED_STORE_INTEGER(movl); |
| 1614 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1615 | case kCheckedStoreWord64: |
| 1616 | ASSEMBLE_CHECKED_STORE_INTEGER(movq); |
| 1617 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1618 | case kCheckedStoreFloat32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1619 | ASSEMBLE_CHECKED_STORE_FLOAT(Movss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1620 | break; |
| 1621 | case kCheckedStoreFloat64: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1622 | ASSEMBLE_CHECKED_STORE_FLOAT(Movsd); |
| 1623 | break; |
| 1624 | case kX64StackCheck: |
| 1625 | __ CompareRoot(rsp, Heap::kStackLimitRootIndex); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1626 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1627 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1628 | } // NOLINT(readability/fn_size) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1629 | |
| 1630 | |
| 1631 | // Assembles branches after this instruction. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1632 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1633 | X64OperandConverter i(this, instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1634 | Label::Distance flabel_distance = |
| 1635 | branch->fallthru ? Label::kNear : Label::kFar; |
| 1636 | Label* tlabel = branch->true_label; |
| 1637 | Label* flabel = branch->false_label; |
| 1638 | switch (branch->condition) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1639 | case kUnorderedEqual: |
| 1640 | __ j(parity_even, flabel, flabel_distance); |
| 1641 | // Fall through. |
| 1642 | case kEqual: |
| 1643 | __ j(equal, tlabel); |
| 1644 | break; |
| 1645 | case kUnorderedNotEqual: |
| 1646 | __ j(parity_even, tlabel); |
| 1647 | // Fall through. |
| 1648 | case kNotEqual: |
| 1649 | __ j(not_equal, tlabel); |
| 1650 | break; |
| 1651 | case kSignedLessThan: |
| 1652 | __ j(less, tlabel); |
| 1653 | break; |
| 1654 | case kSignedGreaterThanOrEqual: |
| 1655 | __ j(greater_equal, tlabel); |
| 1656 | break; |
| 1657 | case kSignedLessThanOrEqual: |
| 1658 | __ j(less_equal, tlabel); |
| 1659 | break; |
| 1660 | case kSignedGreaterThan: |
| 1661 | __ j(greater, tlabel); |
| 1662 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1663 | case kUnsignedLessThan: |
| 1664 | __ j(below, tlabel); |
| 1665 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1666 | case kUnsignedGreaterThanOrEqual: |
| 1667 | __ j(above_equal, tlabel); |
| 1668 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1669 | case kUnsignedLessThanOrEqual: |
| 1670 | __ j(below_equal, tlabel); |
| 1671 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1672 | case kUnsignedGreaterThan: |
| 1673 | __ j(above, tlabel); |
| 1674 | break; |
| 1675 | case kOverflow: |
| 1676 | __ j(overflow, tlabel); |
| 1677 | break; |
| 1678 | case kNotOverflow: |
| 1679 | __ j(no_overflow, tlabel); |
| 1680 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1681 | default: |
| 1682 | UNREACHABLE(); |
| 1683 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1684 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1685 | if (!branch->fallthru) __ jmp(flabel, flabel_distance); |
| 1686 | } |
| 1687 | |
| 1688 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1689 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1690 | if (!IsNextInAssemblyOrder(target)) __ jmp(GetLabel(target)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1691 | } |
| 1692 | |
| 1693 | |
| 1694 | // Assembles boolean materializations after this instruction. |
| 1695 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1696 | FlagsCondition condition) { |
| 1697 | X64OperandConverter i(this, instr); |
| 1698 | Label done; |
| 1699 | |
| 1700 | // Materialize a full 64-bit 1 or 0 value. The result register is always the |
| 1701 | // last output of the instruction. |
| 1702 | Label check; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1703 | DCHECK_NE(0u, instr->OutputCount()); |
| 1704 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1705 | Condition cc = no_condition; |
| 1706 | switch (condition) { |
| 1707 | case kUnorderedEqual: |
| 1708 | __ j(parity_odd, &check, Label::kNear); |
| 1709 | __ movl(reg, Immediate(0)); |
| 1710 | __ jmp(&done, Label::kNear); |
| 1711 | // Fall through. |
| 1712 | case kEqual: |
| 1713 | cc = equal; |
| 1714 | break; |
| 1715 | case kUnorderedNotEqual: |
| 1716 | __ j(parity_odd, &check, Label::kNear); |
| 1717 | __ movl(reg, Immediate(1)); |
| 1718 | __ jmp(&done, Label::kNear); |
| 1719 | // Fall through. |
| 1720 | case kNotEqual: |
| 1721 | cc = not_equal; |
| 1722 | break; |
| 1723 | case kSignedLessThan: |
| 1724 | cc = less; |
| 1725 | break; |
| 1726 | case kSignedGreaterThanOrEqual: |
| 1727 | cc = greater_equal; |
| 1728 | break; |
| 1729 | case kSignedLessThanOrEqual: |
| 1730 | cc = less_equal; |
| 1731 | break; |
| 1732 | case kSignedGreaterThan: |
| 1733 | cc = greater; |
| 1734 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1735 | case kUnsignedLessThan: |
| 1736 | cc = below; |
| 1737 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1738 | case kUnsignedGreaterThanOrEqual: |
| 1739 | cc = above_equal; |
| 1740 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1741 | case kUnsignedLessThanOrEqual: |
| 1742 | cc = below_equal; |
| 1743 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1744 | case kUnsignedGreaterThan: |
| 1745 | cc = above; |
| 1746 | break; |
| 1747 | case kOverflow: |
| 1748 | cc = overflow; |
| 1749 | break; |
| 1750 | case kNotOverflow: |
| 1751 | cc = no_overflow; |
| 1752 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1753 | default: |
| 1754 | UNREACHABLE(); |
| 1755 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1756 | } |
| 1757 | __ bind(&check); |
| 1758 | __ setcc(cc, reg); |
| 1759 | __ movzxbl(reg, reg); |
| 1760 | __ bind(&done); |
| 1761 | } |
| 1762 | |
| 1763 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1764 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1765 | X64OperandConverter i(this, instr); |
| 1766 | Register input = i.InputRegister(0); |
| 1767 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
| 1768 | __ cmpl(input, Immediate(i.InputInt32(index + 0))); |
| 1769 | __ j(equal, GetLabel(i.InputRpo(index + 1))); |
| 1770 | } |
| 1771 | AssembleArchJump(i.InputRpo(1)); |
| 1772 | } |
| 1773 | |
| 1774 | |
| 1775 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1776 | X64OperandConverter i(this, instr); |
| 1777 | Register input = i.InputRegister(0); |
| 1778 | int32_t const case_count = static_cast<int32_t>(instr->InputCount() - 2); |
| 1779 | Label** cases = zone()->NewArray<Label*>(case_count); |
| 1780 | for (int32_t index = 0; index < case_count; ++index) { |
| 1781 | cases[index] = GetLabel(i.InputRpo(index + 2)); |
| 1782 | } |
| 1783 | Label* const table = AddJumpTable(cases, case_count); |
| 1784 | __ cmpl(input, Immediate(case_count)); |
| 1785 | __ j(above_equal, GetLabel(i.InputRpo(1))); |
| 1786 | __ leaq(kScratchRegister, Operand(table)); |
| 1787 | __ jmp(Operand(kScratchRegister, input, times_8, 0)); |
| 1788 | } |
| 1789 | |
| 1790 | |
| 1791 | void CodeGenerator::AssembleDeoptimizerCall( |
| 1792 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1793 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1794 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1795 | __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1796 | } |
| 1797 | |
| 1798 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1799 | namespace { |
| 1800 | |
| 1801 | static const int kQuadWordSize = 16; |
| 1802 | |
| 1803 | } // namespace |
| 1804 | |
| 1805 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1806 | void CodeGenerator::AssemblePrologue() { |
| 1807 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1808 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1809 | __ pushq(rbp); |
| 1810 | __ movq(rbp, rsp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1811 | } else if (descriptor->IsJSFunctionCall()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1812 | __ Prologue(this->info()->GeneratePreagedPrologue()); |
| 1813 | } else if (frame()->needs_frame()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1814 | __ StubPrologue(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1815 | } else { |
| 1816 | frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1817 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1818 | frame_access_state()->SetFrameAccessToDefault(); |
| 1819 | |
| 1820 | int stack_shrink_slots = frame()->GetSpillSlotCount(); |
| 1821 | if (info()->is_osr()) { |
| 1822 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1823 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1824 | |
| 1825 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1826 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1827 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1828 | // remaining stack slots. |
| 1829 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1830 | osr_pc_offset_ = __ pc_offset(); |
| 1831 | // TODO(titzer): cannot address target function == local #-1 |
| 1832 | __ movq(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1833 | stack_shrink_slots -= |
| 1834 | static_cast<int>(OsrHelper(info()).UnoptimizedFrameSlots()); |
| 1835 | } |
| 1836 | |
| 1837 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1838 | if (saves_fp != 0) { |
| 1839 | stack_shrink_slots += frame()->AlignSavedCalleeRegisterSlots(); |
| 1840 | } |
| 1841 | if (stack_shrink_slots > 0) { |
| 1842 | __ subq(rsp, Immediate(stack_shrink_slots * kPointerSize)); |
| 1843 | } |
| 1844 | |
| 1845 | if (saves_fp != 0) { // Save callee-saved XMM registers. |
| 1846 | const uint32_t saves_fp_count = base::bits::CountPopulation32(saves_fp); |
| 1847 | const int stack_size = saves_fp_count * kQuadWordSize; |
| 1848 | // Adjust the stack pointer. |
| 1849 | __ subp(rsp, Immediate(stack_size)); |
| 1850 | // Store the registers on the stack. |
| 1851 | int slot_idx = 0; |
| 1852 | for (int i = 0; i < XMMRegister::kMaxNumRegisters; i++) { |
| 1853 | if (!((1 << i) & saves_fp)) continue; |
| 1854 | __ movdqu(Operand(rsp, kQuadWordSize * slot_idx), |
| 1855 | XMMRegister::from_code(i)); |
| 1856 | slot_idx++; |
| 1857 | } |
| 1858 | frame()->AllocateSavedCalleeRegisterSlots(saves_fp_count * |
| 1859 | (kQuadWordSize / kPointerSize)); |
| 1860 | } |
| 1861 | |
| 1862 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1863 | if (saves != 0) { // Save callee-saved registers. |
| 1864 | for (int i = Register::kNumRegisters - 1; i >= 0; i--) { |
| 1865 | if (!((1 << i) & saves)) continue; |
| 1866 | __ pushq(Register::from_code(i)); |
| 1867 | frame()->AllocateSavedCalleeRegisterSlots(1); |
| 1868 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1869 | } |
| 1870 | } |
| 1871 | |
| 1872 | |
| 1873 | void CodeGenerator::AssembleReturn() { |
| 1874 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1875 | |
| 1876 | // Restore registers. |
| 1877 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1878 | if (saves != 0) { |
| 1879 | for (int i = 0; i < Register::kNumRegisters; i++) { |
| 1880 | if (!((1 << i) & saves)) continue; |
| 1881 | __ popq(Register::from_code(i)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1882 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1883 | } |
| 1884 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1885 | if (saves_fp != 0) { |
| 1886 | const uint32_t saves_fp_count = base::bits::CountPopulation32(saves_fp); |
| 1887 | const int stack_size = saves_fp_count * kQuadWordSize; |
| 1888 | // Load the registers from the stack. |
| 1889 | int slot_idx = 0; |
| 1890 | for (int i = 0; i < XMMRegister::kMaxNumRegisters; i++) { |
| 1891 | if (!((1 << i) & saves_fp)) continue; |
| 1892 | __ movdqu(XMMRegister::from_code(i), |
| 1893 | Operand(rsp, kQuadWordSize * slot_idx)); |
| 1894 | slot_idx++; |
| 1895 | } |
| 1896 | // Adjust the stack pointer. |
| 1897 | __ addp(rsp, Immediate(stack_size)); |
| 1898 | } |
| 1899 | |
| 1900 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1901 | __ movq(rsp, rbp); // Move stack pointer back to frame pointer. |
| 1902 | __ popq(rbp); // Pop caller's frame pointer. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1903 | } else if (frame()->needs_frame()) { |
| 1904 | // Canonicalize JSFunction return sites for now. |
| 1905 | if (return_label_.is_bound()) { |
| 1906 | __ jmp(&return_label_); |
| 1907 | return; |
| 1908 | } else { |
| 1909 | __ bind(&return_label_); |
| 1910 | __ movq(rsp, rbp); // Move stack pointer back to frame pointer. |
| 1911 | __ popq(rbp); // Pop caller's frame pointer. |
| 1912 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1913 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1914 | size_t pop_size = descriptor->StackParameterCount() * kPointerSize; |
| 1915 | // Might need rcx for scratch if pop_size is too big. |
| 1916 | DCHECK_EQ(0u, descriptor->CalleeSavedRegisters() & rcx.bit()); |
| 1917 | __ Ret(static_cast<int>(pop_size), rcx); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1918 | } |
| 1919 | |
| 1920 | |
| 1921 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1922 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1923 | X64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1924 | // Dispatch on the source and destination operand kinds. Not all |
| 1925 | // combinations are possible. |
| 1926 | if (source->IsRegister()) { |
| 1927 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1928 | Register src = g.ToRegister(source); |
| 1929 | if (destination->IsRegister()) { |
| 1930 | __ movq(g.ToRegister(destination), src); |
| 1931 | } else { |
| 1932 | __ movq(g.ToOperand(destination), src); |
| 1933 | } |
| 1934 | } else if (source->IsStackSlot()) { |
| 1935 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1936 | Operand src = g.ToOperand(source); |
| 1937 | if (destination->IsRegister()) { |
| 1938 | Register dst = g.ToRegister(destination); |
| 1939 | __ movq(dst, src); |
| 1940 | } else { |
| 1941 | // Spill on demand to use a temporary register for memory-to-memory |
| 1942 | // moves. |
| 1943 | Register tmp = kScratchRegister; |
| 1944 | Operand dst = g.ToOperand(destination); |
| 1945 | __ movq(tmp, src); |
| 1946 | __ movq(dst, tmp); |
| 1947 | } |
| 1948 | } else if (source->IsConstant()) { |
| 1949 | ConstantOperand* constant_source = ConstantOperand::cast(source); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1950 | Constant src = g.ToConstant(constant_source); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1951 | if (destination->IsRegister() || destination->IsStackSlot()) { |
| 1952 | Register dst = destination->IsRegister() ? g.ToRegister(destination) |
| 1953 | : kScratchRegister; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1954 | switch (src.type()) { |
| 1955 | case Constant::kInt32: |
| 1956 | // TODO(dcarney): don't need scratch in this case. |
| 1957 | __ Set(dst, src.ToInt32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1958 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1959 | case Constant::kInt64: |
| 1960 | __ Set(dst, src.ToInt64()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1961 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1962 | case Constant::kFloat32: |
| 1963 | __ Move(dst, |
| 1964 | isolate()->factory()->NewNumber(src.ToFloat32(), TENURED)); |
| 1965 | break; |
| 1966 | case Constant::kFloat64: |
| 1967 | __ Move(dst, |
| 1968 | isolate()->factory()->NewNumber(src.ToFloat64(), TENURED)); |
| 1969 | break; |
| 1970 | case Constant::kExternalReference: |
| 1971 | __ Move(dst, src.ToExternalReference()); |
| 1972 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1973 | case Constant::kHeapObject: { |
| 1974 | Handle<HeapObject> src_object = src.ToHeapObject(); |
| 1975 | Heap::RootListIndex index; |
| 1976 | int offset; |
| 1977 | if (IsMaterializableFromFrame(src_object, &offset)) { |
| 1978 | __ movp(dst, Operand(rbp, offset)); |
| 1979 | } else if (IsMaterializableFromRoot(src_object, &index)) { |
| 1980 | __ LoadRoot(dst, index); |
| 1981 | } else { |
| 1982 | __ Move(dst, src_object); |
| 1983 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1984 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1985 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1986 | case Constant::kRpoNumber: |
| 1987 | UNREACHABLE(); // TODO(dcarney): load of labels on x64. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1988 | break; |
| 1989 | } |
| 1990 | if (destination->IsStackSlot()) { |
| 1991 | __ movq(g.ToOperand(destination), kScratchRegister); |
| 1992 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1993 | } else if (src.type() == Constant::kFloat32) { |
| 1994 | // TODO(turbofan): Can we do better here? |
| 1995 | uint32_t src_const = bit_cast<uint32_t>(src.ToFloat32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1996 | if (destination->IsDoubleRegister()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1997 | __ Move(g.ToDoubleRegister(destination), src_const); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1998 | } else { |
| 1999 | DCHECK(destination->IsDoubleStackSlot()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2000 | Operand dst = g.ToOperand(destination); |
| 2001 | __ movl(dst, Immediate(src_const)); |
| 2002 | } |
| 2003 | } else { |
| 2004 | DCHECK_EQ(Constant::kFloat64, src.type()); |
| 2005 | uint64_t src_const = bit_cast<uint64_t>(src.ToFloat64()); |
| 2006 | if (destination->IsDoubleRegister()) { |
| 2007 | __ Move(g.ToDoubleRegister(destination), src_const); |
| 2008 | } else { |
| 2009 | DCHECK(destination->IsDoubleStackSlot()); |
| 2010 | __ movq(kScratchRegister, src_const); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2011 | __ movq(g.ToOperand(destination), kScratchRegister); |
| 2012 | } |
| 2013 | } |
| 2014 | } else if (source->IsDoubleRegister()) { |
| 2015 | XMMRegister src = g.ToDoubleRegister(source); |
| 2016 | if (destination->IsDoubleRegister()) { |
| 2017 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2018 | __ Movapd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2019 | } else { |
| 2020 | DCHECK(destination->IsDoubleStackSlot()); |
| 2021 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2022 | __ Movsd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2023 | } |
| 2024 | } else if (source->IsDoubleStackSlot()) { |
| 2025 | DCHECK(destination->IsDoubleRegister() || destination->IsDoubleStackSlot()); |
| 2026 | Operand src = g.ToOperand(source); |
| 2027 | if (destination->IsDoubleRegister()) { |
| 2028 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2029 | __ Movsd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2030 | } else { |
| 2031 | // We rely on having xmm0 available as a fixed scratch register. |
| 2032 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2033 | __ Movsd(xmm0, src); |
| 2034 | __ Movsd(dst, xmm0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2035 | } |
| 2036 | } else { |
| 2037 | UNREACHABLE(); |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | |
| 2042 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 2043 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2044 | X64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2045 | // Dispatch on the source and destination operand kinds. Not all |
| 2046 | // combinations are possible. |
| 2047 | if (source->IsRegister() && destination->IsRegister()) { |
| 2048 | // Register-register. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2049 | Register src = g.ToRegister(source); |
| 2050 | Register dst = g.ToRegister(destination); |
| 2051 | __ movq(kScratchRegister, src); |
| 2052 | __ movq(src, dst); |
| 2053 | __ movq(dst, kScratchRegister); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2054 | } else if (source->IsRegister() && destination->IsStackSlot()) { |
| 2055 | Register src = g.ToRegister(source); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2056 | __ pushq(src); |
| 2057 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2058 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2059 | __ movq(src, dst); |
| 2060 | frame_access_state()->IncreaseSPDelta(-1); |
| 2061 | dst = g.ToOperand(destination); |
| 2062 | __ popq(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2063 | } else if ((source->IsStackSlot() && destination->IsStackSlot()) || |
| 2064 | (source->IsDoubleStackSlot() && |
| 2065 | destination->IsDoubleStackSlot())) { |
| 2066 | // Memory-memory. |
| 2067 | Register tmp = kScratchRegister; |
| 2068 | Operand src = g.ToOperand(source); |
| 2069 | Operand dst = g.ToOperand(destination); |
| 2070 | __ movq(tmp, dst); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2071 | __ pushq(src); |
| 2072 | frame_access_state()->IncreaseSPDelta(1); |
| 2073 | src = g.ToOperand(source); |
| 2074 | __ movq(src, tmp); |
| 2075 | frame_access_state()->IncreaseSPDelta(-1); |
| 2076 | dst = g.ToOperand(destination); |
| 2077 | __ popq(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2078 | } else if (source->IsDoubleRegister() && destination->IsDoubleRegister()) { |
| 2079 | // XMM register-register swap. We rely on having xmm0 |
| 2080 | // available as a fixed scratch register. |
| 2081 | XMMRegister src = g.ToDoubleRegister(source); |
| 2082 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2083 | __ Movapd(xmm0, src); |
| 2084 | __ Movapd(src, dst); |
| 2085 | __ Movapd(dst, xmm0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2086 | } else if (source->IsDoubleRegister() && destination->IsDoubleStackSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2087 | // XMM register-memory swap. We rely on having xmm0 |
| 2088 | // available as a fixed scratch register. |
| 2089 | XMMRegister src = g.ToDoubleRegister(source); |
| 2090 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2091 | __ Movsd(xmm0, src); |
| 2092 | __ Movsd(src, dst); |
| 2093 | __ Movsd(dst, xmm0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2094 | } else { |
| 2095 | // No other combinations are possible. |
| 2096 | UNREACHABLE(); |
| 2097 | } |
| 2098 | } |
| 2099 | |
| 2100 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2101 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 2102 | for (size_t index = 0; index < target_count; ++index) { |
| 2103 | __ dq(targets[index]); |
| 2104 | } |
| 2105 | } |
| 2106 | |
| 2107 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2108 | void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); } |
| 2109 | |
| 2110 | |
| 2111 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2112 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 2113 | return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2114 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2115 | |
| 2116 | int space_needed = Deoptimizer::patch_size(); |
| 2117 | // Ensure that we have enough space after the previous lazy-bailout |
| 2118 | // instruction for patching the code here. |
| 2119 | int current_pc = masm()->pc_offset(); |
| 2120 | if (current_pc < last_lazy_deopt_pc_ + space_needed) { |
| 2121 | int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 2122 | __ Nop(padding_size); |
| 2123 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | #undef __ |
| 2127 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2128 | } // namespace compiler |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 2129 | } // namespace internal |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2130 | } // namespace v8 |