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 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 212 | __ CheckPageFlag(value_, scratch0_, |
| 213 | MemoryChunk::kPointersToHereAreInterestingMask, zero, |
| 214 | exit()); |
| 215 | RememberedSetAction const remembered_set_action = |
| 216 | mode_ > RecordWriteMode::kValueIsMap ? EMIT_REMEMBERED_SET |
| 217 | : OMIT_REMEMBERED_SET; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 218 | SaveFPRegsMode const save_fp_mode = |
| 219 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
| 220 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 221 | remembered_set_action, save_fp_mode); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 222 | __ leap(scratch1_, operand_); |
| 223 | __ CallStub(&stub); |
| 224 | } |
| 225 | |
| 226 | private: |
| 227 | Register const object_; |
| 228 | Operand const operand_; |
| 229 | Register const value_; |
| 230 | Register const scratch0_; |
| 231 | Register const scratch1_; |
| 232 | RecordWriteMode const mode_; |
| 233 | }; |
| 234 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 235 | } // namespace |
| 236 | |
| 237 | |
| 238 | #define ASSEMBLE_UNOP(asm_instr) \ |
| 239 | do { \ |
| 240 | if (instr->Output()->IsRegister()) { \ |
| 241 | __ asm_instr(i.OutputRegister()); \ |
| 242 | } else { \ |
| 243 | __ asm_instr(i.OutputOperand()); \ |
| 244 | } \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 245 | } while (0) |
| 246 | |
| 247 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 248 | #define ASSEMBLE_BINOP(asm_instr) \ |
| 249 | do { \ |
| 250 | if (HasImmediateInput(instr, 1)) { \ |
| 251 | if (instr->InputAt(0)->IsRegister()) { \ |
| 252 | __ asm_instr(i.InputRegister(0), i.InputImmediate(1)); \ |
| 253 | } else { \ |
| 254 | __ asm_instr(i.InputOperand(0), i.InputImmediate(1)); \ |
| 255 | } \ |
| 256 | } else { \ |
| 257 | if (instr->InputAt(1)->IsRegister()) { \ |
| 258 | __ asm_instr(i.InputRegister(0), i.InputRegister(1)); \ |
| 259 | } else { \ |
| 260 | __ asm_instr(i.InputRegister(0), i.InputOperand(1)); \ |
| 261 | } \ |
| 262 | } \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 263 | } while (0) |
| 264 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 265 | #define ASSEMBLE_COMPARE(asm_instr) \ |
| 266 | do { \ |
| 267 | if (AddressingModeField::decode(instr->opcode()) != kMode_None) { \ |
| 268 | size_t index = 0; \ |
| 269 | Operand left = i.MemoryOperand(&index); \ |
| 270 | if (HasImmediateInput(instr, index)) { \ |
| 271 | __ asm_instr(left, i.InputImmediate(index)); \ |
| 272 | } else { \ |
| 273 | __ asm_instr(left, i.InputRegister(index)); \ |
| 274 | } \ |
| 275 | } else { \ |
| 276 | if (HasImmediateInput(instr, 1)) { \ |
| 277 | if (instr->InputAt(0)->IsRegister()) { \ |
| 278 | __ asm_instr(i.InputRegister(0), i.InputImmediate(1)); \ |
| 279 | } else { \ |
| 280 | __ asm_instr(i.InputOperand(0), i.InputImmediate(1)); \ |
| 281 | } \ |
| 282 | } else { \ |
| 283 | if (instr->InputAt(1)->IsRegister()) { \ |
| 284 | __ asm_instr(i.InputRegister(0), i.InputRegister(1)); \ |
| 285 | } else { \ |
| 286 | __ asm_instr(i.InputRegister(0), i.InputOperand(1)); \ |
| 287 | } \ |
| 288 | } \ |
| 289 | } \ |
| 290 | } while (0) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 291 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 292 | #define ASSEMBLE_MULT(asm_instr) \ |
| 293 | do { \ |
| 294 | if (HasImmediateInput(instr, 1)) { \ |
| 295 | if (instr->InputAt(0)->IsRegister()) { \ |
| 296 | __ asm_instr(i.OutputRegister(), i.InputRegister(0), \ |
| 297 | i.InputImmediate(1)); \ |
| 298 | } else { \ |
| 299 | __ asm_instr(i.OutputRegister(), i.InputOperand(0), \ |
| 300 | i.InputImmediate(1)); \ |
| 301 | } \ |
| 302 | } else { \ |
| 303 | if (instr->InputAt(1)->IsRegister()) { \ |
| 304 | __ asm_instr(i.OutputRegister(), i.InputRegister(1)); \ |
| 305 | } else { \ |
| 306 | __ asm_instr(i.OutputRegister(), i.InputOperand(1)); \ |
| 307 | } \ |
| 308 | } \ |
| 309 | } while (0) |
| 310 | |
| 311 | |
| 312 | #define ASSEMBLE_SHIFT(asm_instr, width) \ |
| 313 | do { \ |
| 314 | if (HasImmediateInput(instr, 1)) { \ |
| 315 | if (instr->Output()->IsRegister()) { \ |
| 316 | __ asm_instr(i.OutputRegister(), Immediate(i.InputInt##width(1))); \ |
| 317 | } else { \ |
| 318 | __ asm_instr(i.OutputOperand(), Immediate(i.InputInt##width(1))); \ |
| 319 | } \ |
| 320 | } else { \ |
| 321 | if (instr->Output()->IsRegister()) { \ |
| 322 | __ asm_instr##_cl(i.OutputRegister()); \ |
| 323 | } else { \ |
| 324 | __ asm_instr##_cl(i.OutputOperand()); \ |
| 325 | } \ |
| 326 | } \ |
| 327 | } while (0) |
| 328 | |
| 329 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 330 | #define ASSEMBLE_MOVX(asm_instr) \ |
| 331 | do { \ |
| 332 | if (instr->addressing_mode() != kMode_None) { \ |
| 333 | __ asm_instr(i.OutputRegister(), i.MemoryOperand()); \ |
| 334 | } else if (instr->InputAt(0)->IsRegister()) { \ |
| 335 | __ asm_instr(i.OutputRegister(), i.InputRegister(0)); \ |
| 336 | } else { \ |
| 337 | __ asm_instr(i.OutputRegister(), i.InputOperand(0)); \ |
| 338 | } \ |
| 339 | } while (0) |
| 340 | |
| 341 | |
| 342 | #define ASSEMBLE_SSE_BINOP(asm_instr) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 343 | do { \ |
| 344 | if (instr->InputAt(1)->IsDoubleRegister()) { \ |
| 345 | __ asm_instr(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); \ |
| 346 | } else { \ |
| 347 | __ asm_instr(i.InputDoubleRegister(0), i.InputOperand(1)); \ |
| 348 | } \ |
| 349 | } while (0) |
| 350 | |
| 351 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 352 | #define ASSEMBLE_SSE_UNOP(asm_instr) \ |
| 353 | do { \ |
| 354 | if (instr->InputAt(0)->IsDoubleRegister()) { \ |
| 355 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); \ |
| 356 | } else { \ |
| 357 | __ asm_instr(i.OutputDoubleRegister(), i.InputOperand(0)); \ |
| 358 | } \ |
| 359 | } while (0) |
| 360 | |
| 361 | |
| 362 | #define ASSEMBLE_AVX_BINOP(asm_instr) \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 363 | do { \ |
| 364 | CpuFeatureScope avx_scope(masm(), AVX); \ |
| 365 | if (instr->InputAt(1)->IsDoubleRegister()) { \ |
| 366 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 367 | i.InputDoubleRegister(1)); \ |
| 368 | } else { \ |
| 369 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 370 | i.InputOperand(1)); \ |
| 371 | } \ |
| 372 | } while (0) |
| 373 | |
| 374 | |
| 375 | #define ASSEMBLE_CHECKED_LOAD_FLOAT(asm_instr) \ |
| 376 | do { \ |
| 377 | auto result = i.OutputDoubleRegister(); \ |
| 378 | auto buffer = i.InputRegister(0); \ |
| 379 | auto index1 = i.InputRegister(1); \ |
| 380 | auto index2 = i.InputInt32(2); \ |
| 381 | OutOfLineCode* ool; \ |
| 382 | if (instr->InputAt(3)->IsRegister()) { \ |
| 383 | auto length = i.InputRegister(3); \ |
| 384 | DCHECK_EQ(0, index2); \ |
| 385 | __ cmpl(index1, length); \ |
| 386 | ool = new (zone()) OutOfLineLoadNaN(this, result); \ |
| 387 | } else { \ |
| 388 | auto length = i.InputInt32(3); \ |
| 389 | DCHECK_LE(index2, length); \ |
| 390 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 391 | class OutOfLineLoadFloat final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 392 | public: \ |
| 393 | OutOfLineLoadFloat(CodeGenerator* gen, XMMRegister result, \ |
| 394 | Register buffer, Register index1, int32_t index2, \ |
| 395 | int32_t length) \ |
| 396 | : OutOfLineCode(gen), \ |
| 397 | result_(result), \ |
| 398 | buffer_(buffer), \ |
| 399 | index1_(index1), \ |
| 400 | index2_(index2), \ |
| 401 | length_(length) {} \ |
| 402 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 403 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 404 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 405 | __ Pcmpeqd(result_, result_); \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 406 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 407 | __ j(above_equal, exit()); \ |
| 408 | __ asm_instr(result_, \ |
| 409 | Operand(buffer_, kScratchRegister, times_1, 0)); \ |
| 410 | } \ |
| 411 | \ |
| 412 | private: \ |
| 413 | XMMRegister const result_; \ |
| 414 | Register const buffer_; \ |
| 415 | Register const index1_; \ |
| 416 | int32_t const index2_; \ |
| 417 | int32_t const length_; \ |
| 418 | }; \ |
| 419 | ool = new (zone()) \ |
| 420 | OutOfLineLoadFloat(this, result, buffer, index1, index2, length); \ |
| 421 | } \ |
| 422 | __ j(above_equal, ool->entry()); \ |
| 423 | __ asm_instr(result, Operand(buffer, index1, times_1, index2)); \ |
| 424 | __ bind(ool->exit()); \ |
| 425 | } while (false) |
| 426 | |
| 427 | |
| 428 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr) \ |
| 429 | do { \ |
| 430 | auto result = i.OutputRegister(); \ |
| 431 | auto buffer = i.InputRegister(0); \ |
| 432 | auto index1 = i.InputRegister(1); \ |
| 433 | auto index2 = i.InputInt32(2); \ |
| 434 | OutOfLineCode* ool; \ |
| 435 | if (instr->InputAt(3)->IsRegister()) { \ |
| 436 | auto length = i.InputRegister(3); \ |
| 437 | DCHECK_EQ(0, index2); \ |
| 438 | __ cmpl(index1, length); \ |
| 439 | ool = new (zone()) OutOfLineLoadZero(this, result); \ |
| 440 | } else { \ |
| 441 | auto length = i.InputInt32(3); \ |
| 442 | DCHECK_LE(index2, length); \ |
| 443 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 444 | class OutOfLineLoadInteger final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 445 | public: \ |
| 446 | OutOfLineLoadInteger(CodeGenerator* gen, Register result, \ |
| 447 | Register buffer, Register index1, int32_t index2, \ |
| 448 | int32_t length) \ |
| 449 | : OutOfLineCode(gen), \ |
| 450 | result_(result), \ |
| 451 | buffer_(buffer), \ |
| 452 | index1_(index1), \ |
| 453 | index2_(index2), \ |
| 454 | length_(length) {} \ |
| 455 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 456 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 457 | Label oob; \ |
| 458 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 459 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 460 | __ j(above_equal, &oob, Label::kNear); \ |
| 461 | __ asm_instr(result_, \ |
| 462 | Operand(buffer_, kScratchRegister, times_1, 0)); \ |
| 463 | __ jmp(exit()); \ |
| 464 | __ bind(&oob); \ |
| 465 | __ xorl(result_, result_); \ |
| 466 | } \ |
| 467 | \ |
| 468 | private: \ |
| 469 | Register const result_; \ |
| 470 | Register const buffer_; \ |
| 471 | Register const index1_; \ |
| 472 | int32_t const index2_; \ |
| 473 | int32_t const length_; \ |
| 474 | }; \ |
| 475 | ool = new (zone()) \ |
| 476 | OutOfLineLoadInteger(this, result, buffer, index1, index2, length); \ |
| 477 | } \ |
| 478 | __ j(above_equal, ool->entry()); \ |
| 479 | __ asm_instr(result, Operand(buffer, index1, times_1, index2)); \ |
| 480 | __ bind(ool->exit()); \ |
| 481 | } while (false) |
| 482 | |
| 483 | |
| 484 | #define ASSEMBLE_CHECKED_STORE_FLOAT(asm_instr) \ |
| 485 | do { \ |
| 486 | auto buffer = i.InputRegister(0); \ |
| 487 | auto index1 = i.InputRegister(1); \ |
| 488 | auto index2 = i.InputInt32(2); \ |
| 489 | auto value = i.InputDoubleRegister(4); \ |
| 490 | if (instr->InputAt(3)->IsRegister()) { \ |
| 491 | auto length = i.InputRegister(3); \ |
| 492 | DCHECK_EQ(0, index2); \ |
| 493 | Label done; \ |
| 494 | __ cmpl(index1, length); \ |
| 495 | __ j(above_equal, &done, Label::kNear); \ |
| 496 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 497 | __ bind(&done); \ |
| 498 | } else { \ |
| 499 | auto length = i.InputInt32(3); \ |
| 500 | DCHECK_LE(index2, length); \ |
| 501 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 502 | class OutOfLineStoreFloat final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 503 | public: \ |
| 504 | OutOfLineStoreFloat(CodeGenerator* gen, Register buffer, \ |
| 505 | Register index1, int32_t index2, int32_t length, \ |
| 506 | XMMRegister value) \ |
| 507 | : OutOfLineCode(gen), \ |
| 508 | buffer_(buffer), \ |
| 509 | index1_(index1), \ |
| 510 | index2_(index2), \ |
| 511 | length_(length), \ |
| 512 | value_(value) {} \ |
| 513 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 514 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 515 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 516 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 517 | __ j(above_equal, exit()); \ |
| 518 | __ asm_instr(Operand(buffer_, kScratchRegister, times_1, 0), \ |
| 519 | value_); \ |
| 520 | } \ |
| 521 | \ |
| 522 | private: \ |
| 523 | Register const buffer_; \ |
| 524 | Register const index1_; \ |
| 525 | int32_t const index2_; \ |
| 526 | int32_t const length_; \ |
| 527 | XMMRegister const value_; \ |
| 528 | }; \ |
| 529 | auto ool = new (zone()) \ |
| 530 | OutOfLineStoreFloat(this, buffer, index1, index2, length, value); \ |
| 531 | __ j(above_equal, ool->entry()); \ |
| 532 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 533 | __ bind(ool->exit()); \ |
| 534 | } \ |
| 535 | } while (false) |
| 536 | |
| 537 | |
| 538 | #define ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Value) \ |
| 539 | do { \ |
| 540 | auto buffer = i.InputRegister(0); \ |
| 541 | auto index1 = i.InputRegister(1); \ |
| 542 | auto index2 = i.InputInt32(2); \ |
| 543 | if (instr->InputAt(3)->IsRegister()) { \ |
| 544 | auto length = i.InputRegister(3); \ |
| 545 | DCHECK_EQ(0, index2); \ |
| 546 | Label done; \ |
| 547 | __ cmpl(index1, length); \ |
| 548 | __ j(above_equal, &done, Label::kNear); \ |
| 549 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 550 | __ bind(&done); \ |
| 551 | } else { \ |
| 552 | auto length = i.InputInt32(3); \ |
| 553 | DCHECK_LE(index2, length); \ |
| 554 | __ cmpq(index1, Immediate(length - index2)); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 555 | class OutOfLineStoreInteger final : public OutOfLineCode { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 556 | public: \ |
| 557 | OutOfLineStoreInteger(CodeGenerator* gen, Register buffer, \ |
| 558 | Register index1, int32_t index2, int32_t length, \ |
| 559 | Value value) \ |
| 560 | : OutOfLineCode(gen), \ |
| 561 | buffer_(buffer), \ |
| 562 | index1_(index1), \ |
| 563 | index2_(index2), \ |
| 564 | length_(length), \ |
| 565 | value_(value) {} \ |
| 566 | \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 567 | void Generate() final { \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 568 | __ leal(kScratchRegister, Operand(index1_, index2_)); \ |
| 569 | __ cmpl(kScratchRegister, Immediate(length_)); \ |
| 570 | __ j(above_equal, exit()); \ |
| 571 | __ asm_instr(Operand(buffer_, kScratchRegister, times_1, 0), \ |
| 572 | value_); \ |
| 573 | } \ |
| 574 | \ |
| 575 | private: \ |
| 576 | Register const buffer_; \ |
| 577 | Register const index1_; \ |
| 578 | int32_t const index2_; \ |
| 579 | int32_t const length_; \ |
| 580 | Value const value_; \ |
| 581 | }; \ |
| 582 | auto ool = new (zone()) \ |
| 583 | OutOfLineStoreInteger(this, buffer, index1, index2, length, value); \ |
| 584 | __ j(above_equal, ool->entry()); \ |
| 585 | __ asm_instr(Operand(buffer, index1, times_1, index2), value); \ |
| 586 | __ bind(ool->exit()); \ |
| 587 | } \ |
| 588 | } while (false) |
| 589 | |
| 590 | |
| 591 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr) \ |
| 592 | do { \ |
| 593 | if (instr->InputAt(4)->IsRegister()) { \ |
| 594 | Register value = i.InputRegister(4); \ |
| 595 | ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Register); \ |
| 596 | } else { \ |
| 597 | Immediate value = i.InputImmediate(4); \ |
| 598 | ASSEMBLE_CHECKED_STORE_INTEGER_IMPL(asm_instr, Immediate); \ |
| 599 | } \ |
| 600 | } while (false) |
| 601 | |
| 602 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 603 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 604 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 605 | if (sp_slot_delta > 0) { |
| 606 | __ addq(rsp, Immediate(sp_slot_delta * kPointerSize)); |
| 607 | } |
| 608 | frame_access_state()->SetFrameAccessToDefault(); |
| 609 | } |
| 610 | |
| 611 | |
| 612 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 613 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 614 | if (sp_slot_delta < 0) { |
| 615 | __ subq(rsp, Immediate(-sp_slot_delta * kPointerSize)); |
| 616 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 617 | } |
| 618 | if (frame()->needs_frame()) { |
| 619 | __ movq(rbp, MemOperand(rbp, 0)); |
| 620 | } |
| 621 | frame_access_state()->SetFrameAccessToSP(); |
| 622 | } |
| 623 | |
| 624 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 625 | // Assembles an instruction after register allocation, producing machine code. |
| 626 | void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
| 627 | X64OperandConverter i(this, instr); |
| 628 | |
| 629 | switch (ArchOpcodeField::decode(instr->opcode())) { |
| 630 | case kArchCallCodeObject: { |
| 631 | EnsureSpaceForLazyDeopt(); |
| 632 | if (HasImmediateInput(instr, 0)) { |
| 633 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 634 | __ Call(code, RelocInfo::CODE_TARGET); |
| 635 | } else { |
| 636 | Register reg = i.InputRegister(0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 637 | __ addp(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 638 | __ call(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 639 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 640 | RecordCallPosition(instr); |
| 641 | frame_access_state()->ClearSPDelta(); |
| 642 | break; |
| 643 | } |
| 644 | case kArchTailCallCodeObject: { |
| 645 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 646 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 647 | if (HasImmediateInput(instr, 0)) { |
| 648 | Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
| 649 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 650 | } else { |
| 651 | Register reg = i.InputRegister(0); |
| 652 | __ addp(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 653 | __ jmp(reg); |
| 654 | } |
| 655 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 656 | break; |
| 657 | } |
| 658 | case kArchCallJSFunction: { |
| 659 | EnsureSpaceForLazyDeopt(); |
| 660 | Register func = i.InputRegister(0); |
| 661 | if (FLAG_debug_code) { |
| 662 | // Check the function's context matches the context argument. |
| 663 | __ cmpp(rsi, FieldOperand(func, JSFunction::kContextOffset)); |
| 664 | __ Assert(equal, kWrongFunctionContext); |
| 665 | } |
| 666 | __ Call(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 667 | frame_access_state()->ClearSPDelta(); |
| 668 | RecordCallPosition(instr); |
| 669 | break; |
| 670 | } |
| 671 | case kArchTailCallJSFunction: { |
| 672 | Register func = i.InputRegister(0); |
| 673 | if (FLAG_debug_code) { |
| 674 | // Check the function's context matches the context argument. |
| 675 | __ cmpp(rsi, FieldOperand(func, JSFunction::kContextOffset)); |
| 676 | __ Assert(equal, kWrongFunctionContext); |
| 677 | } |
| 678 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 679 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 680 | __ jmp(FieldOperand(func, JSFunction::kCodeEntryOffset)); |
| 681 | frame_access_state()->ClearSPDelta(); |
| 682 | break; |
| 683 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 684 | case kArchPrepareCallCFunction: { |
| 685 | // Frame alignment requires using FP-relative frame addressing. |
| 686 | frame_access_state()->SetFrameAccessToFP(); |
| 687 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 688 | __ PrepareCallCFunction(num_parameters); |
| 689 | break; |
| 690 | } |
| 691 | case kArchPrepareTailCall: |
| 692 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 693 | break; |
| 694 | case kArchCallCFunction: { |
| 695 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 696 | if (HasImmediateInput(instr, 0)) { |
| 697 | ExternalReference ref = i.InputExternalReference(0); |
| 698 | __ CallCFunction(ref, num_parameters); |
| 699 | } else { |
| 700 | Register func = i.InputRegister(0); |
| 701 | __ CallCFunction(func, num_parameters); |
| 702 | } |
| 703 | frame_access_state()->SetFrameAccessToDefault(); |
| 704 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 705 | break; |
| 706 | } |
| 707 | case kArchJmp: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 708 | AssembleArchJump(i.InputRpo(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 709 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 710 | case kArchLookupSwitch: |
| 711 | AssembleArchLookupSwitch(instr); |
| 712 | break; |
| 713 | case kArchTableSwitch: |
| 714 | AssembleArchTableSwitch(instr); |
| 715 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 716 | case kArchNop: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 717 | case kArchThrowTerminator: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 718 | // don't emit code for nops. |
| 719 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 720 | case kArchDeoptimize: { |
| 721 | int deopt_state_id = |
| 722 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 723 | Deoptimizer::BailoutType bailout_type = |
| 724 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
| 725 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 726 | break; |
| 727 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 728 | case kArchRet: |
| 729 | AssembleReturn(); |
| 730 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 731 | case kArchStackPointer: |
| 732 | __ movq(i.OutputRegister(), rsp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 733 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 734 | case kArchFramePointer: |
| 735 | __ movq(i.OutputRegister(), rbp); |
| 736 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 737 | case kArchParentFramePointer: |
| 738 | if (frame_access_state()->frame()->needs_frame()) { |
| 739 | __ movq(i.OutputRegister(), Operand(rbp, 0)); |
| 740 | } else { |
| 741 | __ movq(i.OutputRegister(), rbp); |
| 742 | } |
| 743 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 744 | case kArchTruncateDoubleToI: { |
| 745 | auto result = i.OutputRegister(); |
| 746 | auto input = i.InputDoubleRegister(0); |
| 747 | auto ool = new (zone()) OutOfLineTruncateDoubleToI(this, result, input); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 748 | __ Cvttsd2siq(result, input); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 749 | __ cmpq(result, Immediate(1)); |
| 750 | __ j(overflow, ool->entry()); |
| 751 | __ bind(ool->exit()); |
| 752 | break; |
| 753 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 754 | case kArchStoreWithWriteBarrier: { |
| 755 | RecordWriteMode mode = |
| 756 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 757 | Register object = i.InputRegister(0); |
| 758 | size_t index = 0; |
| 759 | Operand operand = i.MemoryOperand(&index); |
| 760 | Register value = i.InputRegister(index); |
| 761 | Register scratch0 = i.TempRegister(0); |
| 762 | Register scratch1 = i.TempRegister(1); |
| 763 | auto ool = new (zone()) OutOfLineRecordWrite(this, object, operand, value, |
| 764 | scratch0, scratch1, mode); |
| 765 | __ movp(operand, value); |
| 766 | __ CheckPageFlag(object, scratch0, |
| 767 | MemoryChunk::kPointersFromHereAreInterestingMask, |
| 768 | not_zero, ool->entry()); |
| 769 | __ bind(ool->exit()); |
| 770 | break; |
| 771 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 772 | case kArchStackSlot: { |
| 773 | FrameOffset offset = |
| 774 | frame_access_state()->GetFrameOffset(i.InputInt32(0)); |
| 775 | Register base; |
| 776 | if (offset.from_stack_pointer()) { |
| 777 | base = rsp; |
| 778 | } else { |
| 779 | base = rbp; |
| 780 | } |
| 781 | __ leaq(i.OutputRegister(), Operand(base, offset.offset())); |
| 782 | break; |
| 783 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 784 | case kX64Add32: |
| 785 | ASSEMBLE_BINOP(addl); |
| 786 | break; |
| 787 | case kX64Add: |
| 788 | ASSEMBLE_BINOP(addq); |
| 789 | break; |
| 790 | case kX64Sub32: |
| 791 | ASSEMBLE_BINOP(subl); |
| 792 | break; |
| 793 | case kX64Sub: |
| 794 | ASSEMBLE_BINOP(subq); |
| 795 | break; |
| 796 | case kX64And32: |
| 797 | ASSEMBLE_BINOP(andl); |
| 798 | break; |
| 799 | case kX64And: |
| 800 | ASSEMBLE_BINOP(andq); |
| 801 | break; |
| 802 | case kX64Cmp32: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 803 | ASSEMBLE_COMPARE(cmpl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 804 | break; |
| 805 | case kX64Cmp: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 806 | ASSEMBLE_COMPARE(cmpq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 807 | break; |
| 808 | case kX64Test32: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 809 | ASSEMBLE_COMPARE(testl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 810 | break; |
| 811 | case kX64Test: |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 812 | ASSEMBLE_COMPARE(testq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 813 | break; |
| 814 | case kX64Imul32: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 815 | ASSEMBLE_MULT(imull); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 816 | break; |
| 817 | case kX64Imul: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 818 | ASSEMBLE_MULT(imulq); |
| 819 | break; |
| 820 | case kX64ImulHigh32: |
| 821 | if (instr->InputAt(1)->IsRegister()) { |
| 822 | __ imull(i.InputRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 823 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 824 | __ imull(i.InputOperand(1)); |
| 825 | } |
| 826 | break; |
| 827 | case kX64UmulHigh32: |
| 828 | if (instr->InputAt(1)->IsRegister()) { |
| 829 | __ mull(i.InputRegister(1)); |
| 830 | } else { |
| 831 | __ mull(i.InputOperand(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 832 | } |
| 833 | break; |
| 834 | case kX64Idiv32: |
| 835 | __ cdq(); |
| 836 | __ idivl(i.InputRegister(1)); |
| 837 | break; |
| 838 | case kX64Idiv: |
| 839 | __ cqo(); |
| 840 | __ idivq(i.InputRegister(1)); |
| 841 | break; |
| 842 | case kX64Udiv32: |
| 843 | __ xorl(rdx, rdx); |
| 844 | __ divl(i.InputRegister(1)); |
| 845 | break; |
| 846 | case kX64Udiv: |
| 847 | __ xorq(rdx, rdx); |
| 848 | __ divq(i.InputRegister(1)); |
| 849 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 850 | case kX64Not: |
| 851 | ASSEMBLE_UNOP(notq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 852 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 853 | case kX64Not32: |
| 854 | ASSEMBLE_UNOP(notl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 855 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 856 | case kX64Neg: |
| 857 | ASSEMBLE_UNOP(negq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 858 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 859 | case kX64Neg32: |
| 860 | ASSEMBLE_UNOP(negl); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 861 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 862 | case kX64Or32: |
| 863 | ASSEMBLE_BINOP(orl); |
| 864 | break; |
| 865 | case kX64Or: |
| 866 | ASSEMBLE_BINOP(orq); |
| 867 | break; |
| 868 | case kX64Xor32: |
| 869 | ASSEMBLE_BINOP(xorl); |
| 870 | break; |
| 871 | case kX64Xor: |
| 872 | ASSEMBLE_BINOP(xorq); |
| 873 | break; |
| 874 | case kX64Shl32: |
| 875 | ASSEMBLE_SHIFT(shll, 5); |
| 876 | break; |
| 877 | case kX64Shl: |
| 878 | ASSEMBLE_SHIFT(shlq, 6); |
| 879 | break; |
| 880 | case kX64Shr32: |
| 881 | ASSEMBLE_SHIFT(shrl, 5); |
| 882 | break; |
| 883 | case kX64Shr: |
| 884 | ASSEMBLE_SHIFT(shrq, 6); |
| 885 | break; |
| 886 | case kX64Sar32: |
| 887 | ASSEMBLE_SHIFT(sarl, 5); |
| 888 | break; |
| 889 | case kX64Sar: |
| 890 | ASSEMBLE_SHIFT(sarq, 6); |
| 891 | break; |
| 892 | case kX64Ror32: |
| 893 | ASSEMBLE_SHIFT(rorl, 5); |
| 894 | break; |
| 895 | case kX64Ror: |
| 896 | ASSEMBLE_SHIFT(rorq, 6); |
| 897 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 898 | case kX64Lzcnt: |
| 899 | if (instr->InputAt(0)->IsRegister()) { |
| 900 | __ Lzcntq(i.OutputRegister(), i.InputRegister(0)); |
| 901 | } else { |
| 902 | __ Lzcntq(i.OutputRegister(), i.InputOperand(0)); |
| 903 | } |
| 904 | break; |
| 905 | case kX64Lzcnt32: |
| 906 | if (instr->InputAt(0)->IsRegister()) { |
| 907 | __ Lzcntl(i.OutputRegister(), i.InputRegister(0)); |
| 908 | } else { |
| 909 | __ Lzcntl(i.OutputRegister(), i.InputOperand(0)); |
| 910 | } |
| 911 | break; |
| 912 | case kX64Tzcnt: |
| 913 | if (instr->InputAt(0)->IsRegister()) { |
| 914 | __ Tzcntq(i.OutputRegister(), i.InputRegister(0)); |
| 915 | } else { |
| 916 | __ Tzcntq(i.OutputRegister(), i.InputOperand(0)); |
| 917 | } |
| 918 | break; |
| 919 | case kX64Tzcnt32: |
| 920 | if (instr->InputAt(0)->IsRegister()) { |
| 921 | __ Tzcntl(i.OutputRegister(), i.InputRegister(0)); |
| 922 | } else { |
| 923 | __ Tzcntl(i.OutputRegister(), i.InputOperand(0)); |
| 924 | } |
| 925 | break; |
| 926 | case kX64Popcnt: |
| 927 | if (instr->InputAt(0)->IsRegister()) { |
| 928 | __ Popcntq(i.OutputRegister(), i.InputRegister(0)); |
| 929 | } else { |
| 930 | __ Popcntq(i.OutputRegister(), i.InputOperand(0)); |
| 931 | } |
| 932 | break; |
| 933 | case kX64Popcnt32: |
| 934 | if (instr->InputAt(0)->IsRegister()) { |
| 935 | __ Popcntl(i.OutputRegister(), i.InputRegister(0)); |
| 936 | } else { |
| 937 | __ Popcntl(i.OutputRegister(), i.InputOperand(0)); |
| 938 | } |
| 939 | break; |
| 940 | case kSSEFloat32Cmp: |
| 941 | ASSEMBLE_SSE_BINOP(Ucomiss); |
| 942 | break; |
| 943 | case kSSEFloat32Add: |
| 944 | ASSEMBLE_SSE_BINOP(addss); |
| 945 | break; |
| 946 | case kSSEFloat32Sub: |
| 947 | ASSEMBLE_SSE_BINOP(subss); |
| 948 | break; |
| 949 | case kSSEFloat32Mul: |
| 950 | ASSEMBLE_SSE_BINOP(mulss); |
| 951 | break; |
| 952 | case kSSEFloat32Div: |
| 953 | ASSEMBLE_SSE_BINOP(divss); |
| 954 | // Don't delete this mov. It may improve performance on some CPUs, |
| 955 | // when there is a (v)mulss depending on the result. |
| 956 | __ movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 957 | break; |
| 958 | case kSSEFloat32Abs: { |
| 959 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 960 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 961 | __ psrlq(kScratchDoubleReg, 33); |
| 962 | __ andps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 963 | break; |
| 964 | } |
| 965 | case kSSEFloat32Neg: { |
| 966 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 967 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 968 | __ psllq(kScratchDoubleReg, 31); |
| 969 | __ xorps(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 970 | break; |
| 971 | } |
| 972 | case kSSEFloat32Sqrt: |
| 973 | ASSEMBLE_SSE_UNOP(sqrtss); |
| 974 | break; |
| 975 | case kSSEFloat32Max: |
| 976 | ASSEMBLE_SSE_BINOP(maxss); |
| 977 | break; |
| 978 | case kSSEFloat32Min: |
| 979 | ASSEMBLE_SSE_BINOP(minss); |
| 980 | break; |
| 981 | case kSSEFloat32ToFloat64: |
| 982 | ASSEMBLE_SSE_UNOP(Cvtss2sd); |
| 983 | break; |
| 984 | case kSSEFloat32Round: { |
| 985 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
| 986 | RoundingMode const mode = |
| 987 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 988 | __ Roundss(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
| 989 | break; |
| 990 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 991 | case kSSEFloat32ToInt32: |
| 992 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 993 | __ Cvttss2si(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 994 | } else { |
| 995 | __ Cvttss2si(i.OutputRegister(), i.InputOperand(0)); |
| 996 | } |
| 997 | break; |
| 998 | case kSSEFloat32ToUint32: { |
| 999 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1000 | __ Cvttss2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1001 | } else { |
| 1002 | __ Cvttss2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1003 | } |
| 1004 | __ AssertZeroExtended(i.OutputRegister()); |
| 1005 | break; |
| 1006 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1007 | case kSSEFloat64Cmp: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1008 | ASSEMBLE_SSE_BINOP(Ucomisd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1009 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1010 | case kSSEFloat64Add: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1011 | ASSEMBLE_SSE_BINOP(addsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1012 | break; |
| 1013 | case kSSEFloat64Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1014 | ASSEMBLE_SSE_BINOP(subsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1015 | break; |
| 1016 | case kSSEFloat64Mul: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1017 | ASSEMBLE_SSE_BINOP(mulsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1018 | break; |
| 1019 | case kSSEFloat64Div: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1020 | ASSEMBLE_SSE_BINOP(divsd); |
| 1021 | // Don't delete this mov. It may improve performance on some CPUs, |
| 1022 | // when there is a (v)mulsd depending on the result. |
| 1023 | __ Movapd(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1024 | break; |
| 1025 | case kSSEFloat64Mod: { |
| 1026 | __ subq(rsp, Immediate(kDoubleSize)); |
| 1027 | // Move values to st(0) and st(1). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1028 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1029 | __ fld_d(Operand(rsp, 0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1030 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1031 | __ fld_d(Operand(rsp, 0)); |
| 1032 | // Loop while fprem isn't done. |
| 1033 | Label mod_loop; |
| 1034 | __ bind(&mod_loop); |
| 1035 | // This instructions traps on all kinds inputs, but we are assuming the |
| 1036 | // floating point control word is set to ignore them all. |
| 1037 | __ fprem(); |
| 1038 | // The following 2 instruction implicitly use rax. |
| 1039 | __ fnstsw_ax(); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1040 | if (CpuFeatures::IsSupported(SAHF)) { |
| 1041 | CpuFeatureScope sahf_scope(masm(), SAHF); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1042 | __ sahf(); |
| 1043 | } else { |
| 1044 | __ shrl(rax, Immediate(8)); |
| 1045 | __ andl(rax, Immediate(0xFF)); |
| 1046 | __ pushq(rax); |
| 1047 | __ popfq(); |
| 1048 | } |
| 1049 | __ j(parity_even, &mod_loop); |
| 1050 | // Move output to stack and clean up. |
| 1051 | __ fstp(1); |
| 1052 | __ fstp_d(Operand(rsp, 0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1053 | __ Movsd(i.OutputDoubleRegister(), Operand(rsp, 0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1054 | __ addq(rsp, Immediate(kDoubleSize)); |
| 1055 | break; |
| 1056 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1057 | case kSSEFloat64Max: |
| 1058 | ASSEMBLE_SSE_BINOP(maxsd); |
| 1059 | break; |
| 1060 | case kSSEFloat64Min: |
| 1061 | ASSEMBLE_SSE_BINOP(minsd); |
| 1062 | break; |
| 1063 | case kSSEFloat64Abs: { |
| 1064 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1065 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 1066 | __ psrlq(kScratchDoubleReg, 1); |
| 1067 | __ andpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 1068 | break; |
| 1069 | } |
| 1070 | case kSSEFloat64Neg: { |
| 1071 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1072 | __ pcmpeqd(kScratchDoubleReg, kScratchDoubleReg); |
| 1073 | __ psllq(kScratchDoubleReg, 63); |
| 1074 | __ xorpd(i.OutputDoubleRegister(), kScratchDoubleReg); |
| 1075 | break; |
| 1076 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1077 | case kSSEFloat64Sqrt: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1078 | ASSEMBLE_SSE_UNOP(sqrtsd); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1079 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1080 | case kSSEFloat64Round: { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1081 | CpuFeatureScope sse_scope(masm(), SSE4_1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1082 | RoundingMode const mode = |
| 1083 | static_cast<RoundingMode>(MiscField::decode(instr->opcode())); |
| 1084 | __ Roundsd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), mode); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1085 | break; |
| 1086 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1087 | case kSSEFloat64ToFloat32: |
| 1088 | ASSEMBLE_SSE_UNOP(Cvtsd2ss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1089 | break; |
| 1090 | case kSSEFloat64ToInt32: |
| 1091 | if (instr->InputAt(0)->IsDoubleRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1092 | __ Cvttsd2si(i.OutputRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1093 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1094 | __ Cvttsd2si(i.OutputRegister(), i.InputOperand(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1095 | } |
| 1096 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1097 | case kSSEFloat64ToUint32: { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1098 | if (instr->InputAt(0)->IsDoubleRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1099 | __ Cvttsd2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1100 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1101 | __ Cvttsd2siq(i.OutputRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1102 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1103 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1104 | break; |
| 1105 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1106 | case kSSEFloat32ToInt64: |
| 1107 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1108 | __ Cvttss2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1109 | } else { |
| 1110 | __ Cvttss2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1111 | } |
| 1112 | if (instr->OutputCount() > 1) { |
| 1113 | __ Set(i.OutputRegister(1), 1); |
| 1114 | Label done; |
| 1115 | Label fail; |
| 1116 | __ Move(kScratchDoubleReg, static_cast<float>(INT64_MIN)); |
| 1117 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1118 | __ Ucomiss(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1119 | } else { |
| 1120 | __ Ucomiss(kScratchDoubleReg, i.InputOperand(0)); |
| 1121 | } |
| 1122 | // If the input is NaN, then the conversion fails. |
| 1123 | __ j(parity_even, &fail); |
| 1124 | // If the input is INT64_MIN, then the conversion succeeds. |
| 1125 | __ j(equal, &done); |
| 1126 | __ cmpq(i.OutputRegister(0), Immediate(1)); |
| 1127 | // If the conversion results in INT64_MIN, but the input was not |
| 1128 | // INT64_MIN, then the conversion fails. |
| 1129 | __ j(no_overflow, &done); |
| 1130 | __ bind(&fail); |
| 1131 | __ Set(i.OutputRegister(1), 0); |
| 1132 | __ bind(&done); |
| 1133 | } |
| 1134 | break; |
| 1135 | case kSSEFloat64ToInt64: |
| 1136 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1137 | __ Cvttsd2siq(i.OutputRegister(0), i.InputDoubleRegister(0)); |
| 1138 | } else { |
| 1139 | __ Cvttsd2siq(i.OutputRegister(0), i.InputOperand(0)); |
| 1140 | } |
| 1141 | if (instr->OutputCount() > 1) { |
| 1142 | __ Set(i.OutputRegister(1), 1); |
| 1143 | Label done; |
| 1144 | Label fail; |
| 1145 | __ Move(kScratchDoubleReg, static_cast<double>(INT64_MIN)); |
| 1146 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1147 | __ Ucomisd(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1148 | } else { |
| 1149 | __ Ucomisd(kScratchDoubleReg, i.InputOperand(0)); |
| 1150 | } |
| 1151 | // If the input is NaN, then the conversion fails. |
| 1152 | __ j(parity_even, &fail); |
| 1153 | // If the input is INT64_MIN, then the conversion succeeds. |
| 1154 | __ j(equal, &done); |
| 1155 | __ cmpq(i.OutputRegister(0), Immediate(1)); |
| 1156 | // If the conversion results in INT64_MIN, but the input was not |
| 1157 | // INT64_MIN, then the conversion fails. |
| 1158 | __ j(no_overflow, &done); |
| 1159 | __ bind(&fail); |
| 1160 | __ Set(i.OutputRegister(1), 0); |
| 1161 | __ bind(&done); |
| 1162 | } |
| 1163 | break; |
| 1164 | case kSSEFloat32ToUint64: { |
| 1165 | Label done; |
| 1166 | Label success; |
| 1167 | if (instr->OutputCount() > 1) { |
| 1168 | __ Set(i.OutputRegister(1), 0); |
| 1169 | } |
| 1170 | // There does not exist a Float32ToUint64 instruction, so we have to use |
| 1171 | // the Float32ToInt64 instruction. |
| 1172 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1173 | __ Cvttss2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1174 | } else { |
| 1175 | __ Cvttss2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1176 | } |
| 1177 | // Check if the result of the Float32ToInt64 conversion is positive, we |
| 1178 | // are already done. |
| 1179 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1180 | __ j(positive, &success); |
| 1181 | // The result of the first conversion was negative, which means that the |
| 1182 | // input value was not within the positive int64 range. We subtract 2^64 |
| 1183 | // and convert it again to see if it is within the uint64 range. |
| 1184 | __ Move(kScratchDoubleReg, -9223372036854775808.0f); |
| 1185 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1186 | __ addss(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1187 | } else { |
| 1188 | __ addss(kScratchDoubleReg, i.InputOperand(0)); |
| 1189 | } |
| 1190 | __ Cvttss2siq(i.OutputRegister(), kScratchDoubleReg); |
| 1191 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1192 | // The only possible negative value here is 0x80000000000000000, which is |
| 1193 | // used on x64 to indicate an integer overflow. |
| 1194 | __ j(negative, &done); |
| 1195 | // The input value is within uint64 range and the second conversion worked |
| 1196 | // successfully, but we still have to undo the subtraction we did |
| 1197 | // earlier. |
| 1198 | __ Set(kScratchRegister, 0x8000000000000000); |
| 1199 | __ orq(i.OutputRegister(), kScratchRegister); |
| 1200 | __ bind(&success); |
| 1201 | if (instr->OutputCount() > 1) { |
| 1202 | __ Set(i.OutputRegister(1), 1); |
| 1203 | } |
| 1204 | __ bind(&done); |
| 1205 | break; |
| 1206 | } |
| 1207 | case kSSEFloat64ToUint64: { |
| 1208 | Label done; |
| 1209 | Label success; |
| 1210 | if (instr->OutputCount() > 1) { |
| 1211 | __ Set(i.OutputRegister(1), 0); |
| 1212 | } |
| 1213 | // There does not exist a Float64ToUint64 instruction, so we have to use |
| 1214 | // the Float64ToInt64 instruction. |
| 1215 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1216 | __ Cvttsd2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1217 | } else { |
| 1218 | __ Cvttsd2siq(i.OutputRegister(), i.InputOperand(0)); |
| 1219 | } |
| 1220 | // Check if the result of the Float64ToInt64 conversion is positive, we |
| 1221 | // are already done. |
| 1222 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1223 | __ j(positive, &success); |
| 1224 | // The result of the first conversion was negative, which means that the |
| 1225 | // input value was not within the positive int64 range. We subtract 2^64 |
| 1226 | // and convert it again to see if it is within the uint64 range. |
| 1227 | __ Move(kScratchDoubleReg, -9223372036854775808.0); |
| 1228 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1229 | __ addsd(kScratchDoubleReg, i.InputDoubleRegister(0)); |
| 1230 | } else { |
| 1231 | __ addsd(kScratchDoubleReg, i.InputOperand(0)); |
| 1232 | } |
| 1233 | __ Cvttsd2siq(i.OutputRegister(), kScratchDoubleReg); |
| 1234 | __ testq(i.OutputRegister(), i.OutputRegister()); |
| 1235 | // The only possible negative value here is 0x80000000000000000, which is |
| 1236 | // used on x64 to indicate an integer overflow. |
| 1237 | __ j(negative, &done); |
| 1238 | // The input value is within uint64 range and the second conversion worked |
| 1239 | // successfully, but we still have to undo the subtraction we did |
| 1240 | // earlier. |
| 1241 | __ Set(kScratchRegister, 0x8000000000000000); |
| 1242 | __ orq(i.OutputRegister(), kScratchRegister); |
| 1243 | __ bind(&success); |
| 1244 | if (instr->OutputCount() > 1) { |
| 1245 | __ Set(i.OutputRegister(1), 1); |
| 1246 | } |
| 1247 | __ bind(&done); |
| 1248 | break; |
| 1249 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1250 | case kSSEInt32ToFloat64: |
| 1251 | if (instr->InputAt(0)->IsRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1252 | __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1253 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1254 | __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1255 | } |
| 1256 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 1257 | case kSSEInt32ToFloat32: |
| 1258 | if (instr->InputAt(0)->IsRegister()) { |
| 1259 | __ Cvtlsi2ss(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1260 | } else { |
| 1261 | __ Cvtlsi2ss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1262 | } |
| 1263 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1264 | case kSSEInt64ToFloat32: |
| 1265 | if (instr->InputAt(0)->IsRegister()) { |
| 1266 | __ Cvtqsi2ss(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1267 | } else { |
| 1268 | __ Cvtqsi2ss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1269 | } |
| 1270 | break; |
| 1271 | case kSSEInt64ToFloat64: |
| 1272 | if (instr->InputAt(0)->IsRegister()) { |
| 1273 | __ Cvtqsi2sd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1274 | } else { |
| 1275 | __ Cvtqsi2sd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1276 | } |
| 1277 | break; |
| 1278 | case kSSEUint64ToFloat32: |
| 1279 | if (instr->InputAt(0)->IsRegister()) { |
| 1280 | __ movq(kScratchRegister, i.InputRegister(0)); |
| 1281 | } else { |
| 1282 | __ movq(kScratchRegister, i.InputOperand(0)); |
| 1283 | } |
| 1284 | __ Cvtqui2ss(i.OutputDoubleRegister(), kScratchRegister, |
| 1285 | i.TempRegister(0)); |
| 1286 | break; |
| 1287 | case kSSEUint64ToFloat64: |
| 1288 | if (instr->InputAt(0)->IsRegister()) { |
| 1289 | __ movq(kScratchRegister, i.InputRegister(0)); |
| 1290 | } else { |
| 1291 | __ movq(kScratchRegister, i.InputOperand(0)); |
| 1292 | } |
| 1293 | __ Cvtqui2sd(i.OutputDoubleRegister(), kScratchRegister, |
| 1294 | i.TempRegister(0)); |
| 1295 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1296 | case kSSEUint32ToFloat64: |
| 1297 | if (instr->InputAt(0)->IsRegister()) { |
| 1298 | __ movl(kScratchRegister, i.InputRegister(0)); |
| 1299 | } else { |
| 1300 | __ movl(kScratchRegister, i.InputOperand(0)); |
| 1301 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1302 | __ Cvtqsi2sd(i.OutputDoubleRegister(), kScratchRegister); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1303 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame^] | 1304 | case kSSEUint32ToFloat32: |
| 1305 | if (instr->InputAt(0)->IsRegister()) { |
| 1306 | __ movl(kScratchRegister, i.InputRegister(0)); |
| 1307 | } else { |
| 1308 | __ movl(kScratchRegister, i.InputOperand(0)); |
| 1309 | } |
| 1310 | __ Cvtqsi2ss(i.OutputDoubleRegister(), kScratchRegister); |
| 1311 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1312 | case kSSEFloat64ExtractLowWord32: |
| 1313 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1314 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
| 1315 | } else { |
| 1316 | __ Movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1317 | } |
| 1318 | break; |
| 1319 | case kSSEFloat64ExtractHighWord32: |
| 1320 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1321 | __ movl(i.OutputRegister(), i.InputOperand(0, kDoubleSize / 2)); |
| 1322 | } else { |
| 1323 | __ Pextrd(i.OutputRegister(), i.InputDoubleRegister(0), 1); |
| 1324 | } |
| 1325 | break; |
| 1326 | case kSSEFloat64InsertLowWord32: |
| 1327 | if (instr->InputAt(1)->IsRegister()) { |
| 1328 | __ Pinsrd(i.OutputDoubleRegister(), i.InputRegister(1), 0); |
| 1329 | } else { |
| 1330 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 0); |
| 1331 | } |
| 1332 | break; |
| 1333 | case kSSEFloat64InsertHighWord32: |
| 1334 | if (instr->InputAt(1)->IsRegister()) { |
| 1335 | __ Pinsrd(i.OutputDoubleRegister(), i.InputRegister(1), 1); |
| 1336 | } else { |
| 1337 | __ Pinsrd(i.OutputDoubleRegister(), i.InputOperand(1), 1); |
| 1338 | } |
| 1339 | break; |
| 1340 | case kSSEFloat64LoadLowWord32: |
| 1341 | if (instr->InputAt(0)->IsRegister()) { |
| 1342 | __ Movd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1343 | } else { |
| 1344 | __ Movd(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1345 | } |
| 1346 | break; |
| 1347 | case kAVXFloat32Cmp: { |
| 1348 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1349 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 1350 | __ vucomiss(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 1351 | } else { |
| 1352 | __ vucomiss(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 1353 | } |
| 1354 | break; |
| 1355 | } |
| 1356 | case kAVXFloat32Add: |
| 1357 | ASSEMBLE_AVX_BINOP(vaddss); |
| 1358 | break; |
| 1359 | case kAVXFloat32Sub: |
| 1360 | ASSEMBLE_AVX_BINOP(vsubss); |
| 1361 | break; |
| 1362 | case kAVXFloat32Mul: |
| 1363 | ASSEMBLE_AVX_BINOP(vmulss); |
| 1364 | break; |
| 1365 | case kAVXFloat32Div: |
| 1366 | ASSEMBLE_AVX_BINOP(vdivss); |
| 1367 | // Don't delete this mov. It may improve performance on some CPUs, |
| 1368 | // when there is a (v)mulss depending on the result. |
| 1369 | __ Movaps(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
| 1370 | break; |
| 1371 | case kAVXFloat32Max: |
| 1372 | ASSEMBLE_AVX_BINOP(vmaxss); |
| 1373 | break; |
| 1374 | case kAVXFloat32Min: |
| 1375 | ASSEMBLE_AVX_BINOP(vminss); |
| 1376 | break; |
| 1377 | case kAVXFloat64Cmp: { |
| 1378 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1379 | if (instr->InputAt(1)->IsDoubleRegister()) { |
| 1380 | __ vucomisd(i.InputDoubleRegister(0), i.InputDoubleRegister(1)); |
| 1381 | } else { |
| 1382 | __ vucomisd(i.InputDoubleRegister(0), i.InputOperand(1)); |
| 1383 | } |
| 1384 | break; |
| 1385 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1386 | case kAVXFloat64Add: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1387 | ASSEMBLE_AVX_BINOP(vaddsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1388 | break; |
| 1389 | case kAVXFloat64Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1390 | ASSEMBLE_AVX_BINOP(vsubsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1391 | break; |
| 1392 | case kAVXFloat64Mul: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1393 | ASSEMBLE_AVX_BINOP(vmulsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1394 | break; |
| 1395 | case kAVXFloat64Div: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1396 | ASSEMBLE_AVX_BINOP(vdivsd); |
| 1397 | // Don't delete this mov. It may improve performance on some CPUs, |
| 1398 | // when there is a (v)mulsd depending on the result. |
| 1399 | __ Movapd(i.OutputDoubleRegister(), i.OutputDoubleRegister()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1400 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1401 | case kAVXFloat64Max: |
| 1402 | ASSEMBLE_AVX_BINOP(vmaxsd); |
| 1403 | break; |
| 1404 | case kAVXFloat64Min: |
| 1405 | ASSEMBLE_AVX_BINOP(vminsd); |
| 1406 | break; |
| 1407 | case kAVXFloat32Abs: { |
| 1408 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1409 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1410 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1411 | __ vpsrlq(kScratchDoubleReg, kScratchDoubleReg, 33); |
| 1412 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1413 | __ vandps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1414 | i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1415 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1416 | __ vandps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1417 | i.InputOperand(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1418 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1419 | break; |
| 1420 | } |
| 1421 | case kAVXFloat32Neg: { |
| 1422 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1423 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1424 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1425 | __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 31); |
| 1426 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1427 | __ vxorps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1428 | i.InputDoubleRegister(0)); |
| 1429 | } else { |
| 1430 | __ vxorps(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1431 | i.InputOperand(0)); |
| 1432 | } |
| 1433 | break; |
| 1434 | } |
| 1435 | case kAVXFloat64Abs: { |
| 1436 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1437 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1438 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1439 | __ vpsrlq(kScratchDoubleReg, kScratchDoubleReg, 1); |
| 1440 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1441 | __ vandpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1442 | i.InputDoubleRegister(0)); |
| 1443 | } else { |
| 1444 | __ vandpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1445 | i.InputOperand(0)); |
| 1446 | } |
| 1447 | break; |
| 1448 | } |
| 1449 | case kAVXFloat64Neg: { |
| 1450 | // TODO(bmeurer): Use RIP relative 128-bit constants. |
| 1451 | CpuFeatureScope avx_scope(masm(), AVX); |
| 1452 | __ vpcmpeqd(kScratchDoubleReg, kScratchDoubleReg, kScratchDoubleReg); |
| 1453 | __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 63); |
| 1454 | if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1455 | __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1456 | i.InputDoubleRegister(0)); |
| 1457 | } else { |
| 1458 | __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, |
| 1459 | i.InputOperand(0)); |
| 1460 | } |
| 1461 | break; |
| 1462 | } |
| 1463 | case kX64Movsxbl: |
| 1464 | ASSEMBLE_MOVX(movsxbl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1465 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1466 | break; |
| 1467 | case kX64Movzxbl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1468 | ASSEMBLE_MOVX(movzxbl); |
| 1469 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1470 | break; |
| 1471 | case kX64Movb: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1472 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1473 | Operand operand = i.MemoryOperand(&index); |
| 1474 | if (HasImmediateInput(instr, index)) { |
| 1475 | __ movb(operand, Immediate(i.InputInt8(index))); |
| 1476 | } else { |
| 1477 | __ movb(operand, i.InputRegister(index)); |
| 1478 | } |
| 1479 | break; |
| 1480 | } |
| 1481 | case kX64Movsxwl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1482 | ASSEMBLE_MOVX(movsxwl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1483 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1484 | break; |
| 1485 | case kX64Movzxwl: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1486 | ASSEMBLE_MOVX(movzxwl); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1487 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1488 | break; |
| 1489 | case kX64Movw: { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1490 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1491 | Operand operand = i.MemoryOperand(&index); |
| 1492 | if (HasImmediateInput(instr, index)) { |
| 1493 | __ movw(operand, Immediate(i.InputInt16(index))); |
| 1494 | } else { |
| 1495 | __ movw(operand, i.InputRegister(index)); |
| 1496 | } |
| 1497 | break; |
| 1498 | } |
| 1499 | case kX64Movl: |
| 1500 | if (instr->HasOutput()) { |
| 1501 | if (instr->addressing_mode() == kMode_None) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1502 | if (instr->InputAt(0)->IsRegister()) { |
| 1503 | __ movl(i.OutputRegister(), i.InputRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1504 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1505 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1506 | } |
| 1507 | } else { |
| 1508 | __ movl(i.OutputRegister(), i.MemoryOperand()); |
| 1509 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1510 | __ AssertZeroExtended(i.OutputRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1511 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1512 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1513 | Operand operand = i.MemoryOperand(&index); |
| 1514 | if (HasImmediateInput(instr, index)) { |
| 1515 | __ movl(operand, i.InputImmediate(index)); |
| 1516 | } else { |
| 1517 | __ movl(operand, i.InputRegister(index)); |
| 1518 | } |
| 1519 | } |
| 1520 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1521 | case kX64Movsxlq: |
| 1522 | ASSEMBLE_MOVX(movsxlq); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1523 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1524 | case kX64Movq: |
| 1525 | if (instr->HasOutput()) { |
| 1526 | __ movq(i.OutputRegister(), i.MemoryOperand()); |
| 1527 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1528 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1529 | Operand operand = i.MemoryOperand(&index); |
| 1530 | if (HasImmediateInput(instr, index)) { |
| 1531 | __ movq(operand, i.InputImmediate(index)); |
| 1532 | } else { |
| 1533 | __ movq(operand, i.InputRegister(index)); |
| 1534 | } |
| 1535 | } |
| 1536 | break; |
| 1537 | case kX64Movss: |
| 1538 | if (instr->HasOutput()) { |
| 1539 | __ movss(i.OutputDoubleRegister(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1540 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1541 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1542 | Operand operand = i.MemoryOperand(&index); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1543 | __ movss(operand, i.InputDoubleRegister(index)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1544 | } |
| 1545 | break; |
| 1546 | case kX64Movsd: |
| 1547 | if (instr->HasOutput()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1548 | __ Movsd(i.OutputDoubleRegister(), i.MemoryOperand()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1549 | } else { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1550 | size_t index = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1551 | Operand operand = i.MemoryOperand(&index); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1552 | __ Movsd(operand, i.InputDoubleRegister(index)); |
| 1553 | } |
| 1554 | break; |
| 1555 | case kX64BitcastFI: |
| 1556 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1557 | __ movl(i.OutputRegister(), i.InputOperand(0)); |
| 1558 | } else { |
| 1559 | __ Movd(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1560 | } |
| 1561 | break; |
| 1562 | case kX64BitcastDL: |
| 1563 | if (instr->InputAt(0)->IsDoubleStackSlot()) { |
| 1564 | __ movq(i.OutputRegister(), i.InputOperand(0)); |
| 1565 | } else { |
| 1566 | __ Movq(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1567 | } |
| 1568 | break; |
| 1569 | case kX64BitcastIF: |
| 1570 | if (instr->InputAt(0)->IsRegister()) { |
| 1571 | __ Movd(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1572 | } else { |
| 1573 | __ movss(i.OutputDoubleRegister(), i.InputOperand(0)); |
| 1574 | } |
| 1575 | break; |
| 1576 | case kX64BitcastLD: |
| 1577 | if (instr->InputAt(0)->IsRegister()) { |
| 1578 | __ Movq(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1579 | } else { |
| 1580 | __ Movsd(i.OutputDoubleRegister(), i.InputOperand(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1581 | } |
| 1582 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1583 | case kX64Lea32: { |
| 1584 | AddressingMode mode = AddressingModeField::decode(instr->opcode()); |
| 1585 | // Shorten "leal" to "addl", "subl" or "shll" if the register allocation |
| 1586 | // and addressing mode just happens to work out. The "addl"/"subl" forms |
| 1587 | // in these cases are faster based on measurements. |
| 1588 | if (i.InputRegister(0).is(i.OutputRegister())) { |
| 1589 | if (mode == kMode_MRI) { |
| 1590 | int32_t constant_summand = i.InputInt32(1); |
| 1591 | if (constant_summand > 0) { |
| 1592 | __ addl(i.OutputRegister(), Immediate(constant_summand)); |
| 1593 | } else if (constant_summand < 0) { |
| 1594 | __ subl(i.OutputRegister(), Immediate(-constant_summand)); |
| 1595 | } |
| 1596 | } else if (mode == kMode_MR1) { |
| 1597 | if (i.InputRegister(1).is(i.OutputRegister())) { |
| 1598 | __ shll(i.OutputRegister(), Immediate(1)); |
| 1599 | } else { |
| 1600 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1601 | } |
| 1602 | } else if (mode == kMode_M2) { |
| 1603 | __ shll(i.OutputRegister(), Immediate(1)); |
| 1604 | } else if (mode == kMode_M4) { |
| 1605 | __ shll(i.OutputRegister(), Immediate(2)); |
| 1606 | } else if (mode == kMode_M8) { |
| 1607 | __ shll(i.OutputRegister(), Immediate(3)); |
| 1608 | } else { |
| 1609 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1610 | } |
| 1611 | } else { |
| 1612 | __ leal(i.OutputRegister(), i.MemoryOperand()); |
| 1613 | } |
| 1614 | __ AssertZeroExtended(i.OutputRegister()); |
| 1615 | break; |
| 1616 | } |
| 1617 | case kX64Lea: |
| 1618 | __ leaq(i.OutputRegister(), i.MemoryOperand()); |
| 1619 | break; |
| 1620 | case kX64Dec32: |
| 1621 | __ decl(i.OutputRegister()); |
| 1622 | break; |
| 1623 | case kX64Inc32: |
| 1624 | __ incl(i.OutputRegister()); |
| 1625 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1626 | case kX64Push: |
| 1627 | if (HasImmediateInput(instr, 0)) { |
| 1628 | __ pushq(i.InputImmediate(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1629 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1630 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1631 | if (instr->InputAt(0)->IsRegister()) { |
| 1632 | __ pushq(i.InputRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1633 | frame_access_state()->IncreaseSPDelta(1); |
| 1634 | } else if (instr->InputAt(0)->IsDoubleRegister()) { |
| 1635 | // TODO(titzer): use another machine instruction? |
| 1636 | __ subq(rsp, Immediate(kDoubleSize)); |
| 1637 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1638 | __ Movsd(Operand(rsp, 0), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1639 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1640 | __ pushq(i.InputOperand(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1641 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1642 | } |
| 1643 | } |
| 1644 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1645 | case kX64Poke: { |
| 1646 | int const slot = MiscField::decode(instr->opcode()); |
| 1647 | if (HasImmediateInput(instr, 0)) { |
| 1648 | __ movq(Operand(rsp, slot * kPointerSize), i.InputImmediate(0)); |
| 1649 | } else { |
| 1650 | __ movq(Operand(rsp, slot * kPointerSize), i.InputRegister(0)); |
| 1651 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1652 | break; |
| 1653 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1654 | case kCheckedLoadInt8: |
| 1655 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsxbl); |
| 1656 | break; |
| 1657 | case kCheckedLoadUint8: |
| 1658 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzxbl); |
| 1659 | break; |
| 1660 | case kCheckedLoadInt16: |
| 1661 | ASSEMBLE_CHECKED_LOAD_INTEGER(movsxwl); |
| 1662 | break; |
| 1663 | case kCheckedLoadUint16: |
| 1664 | ASSEMBLE_CHECKED_LOAD_INTEGER(movzxwl); |
| 1665 | break; |
| 1666 | case kCheckedLoadWord32: |
| 1667 | ASSEMBLE_CHECKED_LOAD_INTEGER(movl); |
| 1668 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1669 | case kCheckedLoadWord64: |
| 1670 | ASSEMBLE_CHECKED_LOAD_INTEGER(movq); |
| 1671 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1672 | case kCheckedLoadFloat32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1673 | ASSEMBLE_CHECKED_LOAD_FLOAT(Movss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1674 | break; |
| 1675 | case kCheckedLoadFloat64: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1676 | ASSEMBLE_CHECKED_LOAD_FLOAT(Movsd); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1677 | break; |
| 1678 | case kCheckedStoreWord8: |
| 1679 | ASSEMBLE_CHECKED_STORE_INTEGER(movb); |
| 1680 | break; |
| 1681 | case kCheckedStoreWord16: |
| 1682 | ASSEMBLE_CHECKED_STORE_INTEGER(movw); |
| 1683 | break; |
| 1684 | case kCheckedStoreWord32: |
| 1685 | ASSEMBLE_CHECKED_STORE_INTEGER(movl); |
| 1686 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1687 | case kCheckedStoreWord64: |
| 1688 | ASSEMBLE_CHECKED_STORE_INTEGER(movq); |
| 1689 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1690 | case kCheckedStoreFloat32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1691 | ASSEMBLE_CHECKED_STORE_FLOAT(Movss); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1692 | break; |
| 1693 | case kCheckedStoreFloat64: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1694 | ASSEMBLE_CHECKED_STORE_FLOAT(Movsd); |
| 1695 | break; |
| 1696 | case kX64StackCheck: |
| 1697 | __ CompareRoot(rsp, Heap::kStackLimitRootIndex); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1698 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1699 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1700 | } // NOLINT(readability/fn_size) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1701 | |
| 1702 | |
| 1703 | // Assembles branches after this instruction. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1704 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1705 | X64OperandConverter i(this, instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1706 | Label::Distance flabel_distance = |
| 1707 | branch->fallthru ? Label::kNear : Label::kFar; |
| 1708 | Label* tlabel = branch->true_label; |
| 1709 | Label* flabel = branch->false_label; |
| 1710 | switch (branch->condition) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1711 | case kUnorderedEqual: |
| 1712 | __ j(parity_even, flabel, flabel_distance); |
| 1713 | // Fall through. |
| 1714 | case kEqual: |
| 1715 | __ j(equal, tlabel); |
| 1716 | break; |
| 1717 | case kUnorderedNotEqual: |
| 1718 | __ j(parity_even, tlabel); |
| 1719 | // Fall through. |
| 1720 | case kNotEqual: |
| 1721 | __ j(not_equal, tlabel); |
| 1722 | break; |
| 1723 | case kSignedLessThan: |
| 1724 | __ j(less, tlabel); |
| 1725 | break; |
| 1726 | case kSignedGreaterThanOrEqual: |
| 1727 | __ j(greater_equal, tlabel); |
| 1728 | break; |
| 1729 | case kSignedLessThanOrEqual: |
| 1730 | __ j(less_equal, tlabel); |
| 1731 | break; |
| 1732 | case kSignedGreaterThan: |
| 1733 | __ j(greater, tlabel); |
| 1734 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1735 | case kUnsignedLessThan: |
| 1736 | __ j(below, tlabel); |
| 1737 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1738 | case kUnsignedGreaterThanOrEqual: |
| 1739 | __ j(above_equal, tlabel); |
| 1740 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1741 | case kUnsignedLessThanOrEqual: |
| 1742 | __ j(below_equal, tlabel); |
| 1743 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1744 | case kUnsignedGreaterThan: |
| 1745 | __ j(above, tlabel); |
| 1746 | break; |
| 1747 | case kOverflow: |
| 1748 | __ j(overflow, tlabel); |
| 1749 | break; |
| 1750 | case kNotOverflow: |
| 1751 | __ j(no_overflow, tlabel); |
| 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 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1757 | if (!branch->fallthru) __ jmp(flabel, flabel_distance); |
| 1758 | } |
| 1759 | |
| 1760 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1761 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1762 | if (!IsNextInAssemblyOrder(target)) __ jmp(GetLabel(target)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1763 | } |
| 1764 | |
| 1765 | |
| 1766 | // Assembles boolean materializations after this instruction. |
| 1767 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1768 | FlagsCondition condition) { |
| 1769 | X64OperandConverter i(this, instr); |
| 1770 | Label done; |
| 1771 | |
| 1772 | // Materialize a full 64-bit 1 or 0 value. The result register is always the |
| 1773 | // last output of the instruction. |
| 1774 | Label check; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1775 | DCHECK_NE(0u, instr->OutputCount()); |
| 1776 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1777 | Condition cc = no_condition; |
| 1778 | switch (condition) { |
| 1779 | case kUnorderedEqual: |
| 1780 | __ j(parity_odd, &check, Label::kNear); |
| 1781 | __ movl(reg, Immediate(0)); |
| 1782 | __ jmp(&done, Label::kNear); |
| 1783 | // Fall through. |
| 1784 | case kEqual: |
| 1785 | cc = equal; |
| 1786 | break; |
| 1787 | case kUnorderedNotEqual: |
| 1788 | __ j(parity_odd, &check, Label::kNear); |
| 1789 | __ movl(reg, Immediate(1)); |
| 1790 | __ jmp(&done, Label::kNear); |
| 1791 | // Fall through. |
| 1792 | case kNotEqual: |
| 1793 | cc = not_equal; |
| 1794 | break; |
| 1795 | case kSignedLessThan: |
| 1796 | cc = less; |
| 1797 | break; |
| 1798 | case kSignedGreaterThanOrEqual: |
| 1799 | cc = greater_equal; |
| 1800 | break; |
| 1801 | case kSignedLessThanOrEqual: |
| 1802 | cc = less_equal; |
| 1803 | break; |
| 1804 | case kSignedGreaterThan: |
| 1805 | cc = greater; |
| 1806 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1807 | case kUnsignedLessThan: |
| 1808 | cc = below; |
| 1809 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1810 | case kUnsignedGreaterThanOrEqual: |
| 1811 | cc = above_equal; |
| 1812 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1813 | case kUnsignedLessThanOrEqual: |
| 1814 | cc = below_equal; |
| 1815 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1816 | case kUnsignedGreaterThan: |
| 1817 | cc = above; |
| 1818 | break; |
| 1819 | case kOverflow: |
| 1820 | cc = overflow; |
| 1821 | break; |
| 1822 | case kNotOverflow: |
| 1823 | cc = no_overflow; |
| 1824 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1825 | default: |
| 1826 | UNREACHABLE(); |
| 1827 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1828 | } |
| 1829 | __ bind(&check); |
| 1830 | __ setcc(cc, reg); |
| 1831 | __ movzxbl(reg, reg); |
| 1832 | __ bind(&done); |
| 1833 | } |
| 1834 | |
| 1835 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1836 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1837 | X64OperandConverter i(this, instr); |
| 1838 | Register input = i.InputRegister(0); |
| 1839 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
| 1840 | __ cmpl(input, Immediate(i.InputInt32(index + 0))); |
| 1841 | __ j(equal, GetLabel(i.InputRpo(index + 1))); |
| 1842 | } |
| 1843 | AssembleArchJump(i.InputRpo(1)); |
| 1844 | } |
| 1845 | |
| 1846 | |
| 1847 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1848 | X64OperandConverter i(this, instr); |
| 1849 | Register input = i.InputRegister(0); |
| 1850 | int32_t const case_count = static_cast<int32_t>(instr->InputCount() - 2); |
| 1851 | Label** cases = zone()->NewArray<Label*>(case_count); |
| 1852 | for (int32_t index = 0; index < case_count; ++index) { |
| 1853 | cases[index] = GetLabel(i.InputRpo(index + 2)); |
| 1854 | } |
| 1855 | Label* const table = AddJumpTable(cases, case_count); |
| 1856 | __ cmpl(input, Immediate(case_count)); |
| 1857 | __ j(above_equal, GetLabel(i.InputRpo(1))); |
| 1858 | __ leaq(kScratchRegister, Operand(table)); |
| 1859 | __ jmp(Operand(kScratchRegister, input, times_8, 0)); |
| 1860 | } |
| 1861 | |
| 1862 | |
| 1863 | void CodeGenerator::AssembleDeoptimizerCall( |
| 1864 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1865 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1866 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1867 | __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1868 | } |
| 1869 | |
| 1870 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1871 | namespace { |
| 1872 | |
| 1873 | static const int kQuadWordSize = 16; |
| 1874 | |
| 1875 | } // namespace |
| 1876 | |
| 1877 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1878 | void CodeGenerator::AssemblePrologue() { |
| 1879 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1880 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1881 | __ pushq(rbp); |
| 1882 | __ movq(rbp, rsp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1883 | } else if (descriptor->IsJSFunctionCall()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1884 | __ Prologue(this->info()->GeneratePreagedPrologue()); |
| 1885 | } else if (frame()->needs_frame()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1886 | __ StubPrologue(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1887 | } else { |
| 1888 | frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1889 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1890 | frame_access_state()->SetFrameAccessToDefault(); |
| 1891 | |
| 1892 | int stack_shrink_slots = frame()->GetSpillSlotCount(); |
| 1893 | if (info()->is_osr()) { |
| 1894 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1895 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1896 | |
| 1897 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1898 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1899 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1900 | // remaining stack slots. |
| 1901 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1902 | osr_pc_offset_ = __ pc_offset(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1903 | stack_shrink_slots -= |
| 1904 | static_cast<int>(OsrHelper(info()).UnoptimizedFrameSlots()); |
| 1905 | } |
| 1906 | |
| 1907 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1908 | if (saves_fp != 0) { |
| 1909 | stack_shrink_slots += frame()->AlignSavedCalleeRegisterSlots(); |
| 1910 | } |
| 1911 | if (stack_shrink_slots > 0) { |
| 1912 | __ subq(rsp, Immediate(stack_shrink_slots * kPointerSize)); |
| 1913 | } |
| 1914 | |
| 1915 | if (saves_fp != 0) { // Save callee-saved XMM registers. |
| 1916 | const uint32_t saves_fp_count = base::bits::CountPopulation32(saves_fp); |
| 1917 | const int stack_size = saves_fp_count * kQuadWordSize; |
| 1918 | // Adjust the stack pointer. |
| 1919 | __ subp(rsp, Immediate(stack_size)); |
| 1920 | // Store the registers on the stack. |
| 1921 | int slot_idx = 0; |
| 1922 | for (int i = 0; i < XMMRegister::kMaxNumRegisters; i++) { |
| 1923 | if (!((1 << i) & saves_fp)) continue; |
| 1924 | __ movdqu(Operand(rsp, kQuadWordSize * slot_idx), |
| 1925 | XMMRegister::from_code(i)); |
| 1926 | slot_idx++; |
| 1927 | } |
| 1928 | frame()->AllocateSavedCalleeRegisterSlots(saves_fp_count * |
| 1929 | (kQuadWordSize / kPointerSize)); |
| 1930 | } |
| 1931 | |
| 1932 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1933 | if (saves != 0) { // Save callee-saved registers. |
| 1934 | for (int i = Register::kNumRegisters - 1; i >= 0; i--) { |
| 1935 | if (!((1 << i) & saves)) continue; |
| 1936 | __ pushq(Register::from_code(i)); |
| 1937 | frame()->AllocateSavedCalleeRegisterSlots(1); |
| 1938 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1939 | } |
| 1940 | } |
| 1941 | |
| 1942 | |
| 1943 | void CodeGenerator::AssembleReturn() { |
| 1944 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1945 | |
| 1946 | // Restore registers. |
| 1947 | const RegList saves = descriptor->CalleeSavedRegisters(); |
| 1948 | if (saves != 0) { |
| 1949 | for (int i = 0; i < Register::kNumRegisters; i++) { |
| 1950 | if (!((1 << i) & saves)) continue; |
| 1951 | __ popq(Register::from_code(i)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1952 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1953 | } |
| 1954 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1955 | if (saves_fp != 0) { |
| 1956 | const uint32_t saves_fp_count = base::bits::CountPopulation32(saves_fp); |
| 1957 | const int stack_size = saves_fp_count * kQuadWordSize; |
| 1958 | // Load the registers from the stack. |
| 1959 | int slot_idx = 0; |
| 1960 | for (int i = 0; i < XMMRegister::kMaxNumRegisters; i++) { |
| 1961 | if (!((1 << i) & saves_fp)) continue; |
| 1962 | __ movdqu(XMMRegister::from_code(i), |
| 1963 | Operand(rsp, kQuadWordSize * slot_idx)); |
| 1964 | slot_idx++; |
| 1965 | } |
| 1966 | // Adjust the stack pointer. |
| 1967 | __ addp(rsp, Immediate(stack_size)); |
| 1968 | } |
| 1969 | |
| 1970 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1971 | __ movq(rsp, rbp); // Move stack pointer back to frame pointer. |
| 1972 | __ popq(rbp); // Pop caller's frame pointer. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1973 | } else if (frame()->needs_frame()) { |
| 1974 | // Canonicalize JSFunction return sites for now. |
| 1975 | if (return_label_.is_bound()) { |
| 1976 | __ jmp(&return_label_); |
| 1977 | return; |
| 1978 | } else { |
| 1979 | __ bind(&return_label_); |
| 1980 | __ movq(rsp, rbp); // Move stack pointer back to frame pointer. |
| 1981 | __ popq(rbp); // Pop caller's frame pointer. |
| 1982 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1983 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1984 | size_t pop_size = descriptor->StackParameterCount() * kPointerSize; |
| 1985 | // Might need rcx for scratch if pop_size is too big. |
| 1986 | DCHECK_EQ(0u, descriptor->CalleeSavedRegisters() & rcx.bit()); |
| 1987 | __ Ret(static_cast<int>(pop_size), rcx); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1988 | } |
| 1989 | |
| 1990 | |
| 1991 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1992 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1993 | X64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1994 | // Dispatch on the source and destination operand kinds. Not all |
| 1995 | // combinations are possible. |
| 1996 | if (source->IsRegister()) { |
| 1997 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1998 | Register src = g.ToRegister(source); |
| 1999 | if (destination->IsRegister()) { |
| 2000 | __ movq(g.ToRegister(destination), src); |
| 2001 | } else { |
| 2002 | __ movq(g.ToOperand(destination), src); |
| 2003 | } |
| 2004 | } else if (source->IsStackSlot()) { |
| 2005 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 2006 | Operand src = g.ToOperand(source); |
| 2007 | if (destination->IsRegister()) { |
| 2008 | Register dst = g.ToRegister(destination); |
| 2009 | __ movq(dst, src); |
| 2010 | } else { |
| 2011 | // Spill on demand to use a temporary register for memory-to-memory |
| 2012 | // moves. |
| 2013 | Register tmp = kScratchRegister; |
| 2014 | Operand dst = g.ToOperand(destination); |
| 2015 | __ movq(tmp, src); |
| 2016 | __ movq(dst, tmp); |
| 2017 | } |
| 2018 | } else if (source->IsConstant()) { |
| 2019 | ConstantOperand* constant_source = ConstantOperand::cast(source); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2020 | Constant src = g.ToConstant(constant_source); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2021 | if (destination->IsRegister() || destination->IsStackSlot()) { |
| 2022 | Register dst = destination->IsRegister() ? g.ToRegister(destination) |
| 2023 | : kScratchRegister; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2024 | switch (src.type()) { |
| 2025 | case Constant::kInt32: |
| 2026 | // TODO(dcarney): don't need scratch in this case. |
| 2027 | __ Set(dst, src.ToInt32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2028 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2029 | case Constant::kInt64: |
| 2030 | __ Set(dst, src.ToInt64()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2031 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2032 | case Constant::kFloat32: |
| 2033 | __ Move(dst, |
| 2034 | isolate()->factory()->NewNumber(src.ToFloat32(), TENURED)); |
| 2035 | break; |
| 2036 | case Constant::kFloat64: |
| 2037 | __ Move(dst, |
| 2038 | isolate()->factory()->NewNumber(src.ToFloat64(), TENURED)); |
| 2039 | break; |
| 2040 | case Constant::kExternalReference: |
| 2041 | __ Move(dst, src.ToExternalReference()); |
| 2042 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2043 | case Constant::kHeapObject: { |
| 2044 | Handle<HeapObject> src_object = src.ToHeapObject(); |
| 2045 | Heap::RootListIndex index; |
| 2046 | int offset; |
| 2047 | if (IsMaterializableFromFrame(src_object, &offset)) { |
| 2048 | __ movp(dst, Operand(rbp, offset)); |
| 2049 | } else if (IsMaterializableFromRoot(src_object, &index)) { |
| 2050 | __ LoadRoot(dst, index); |
| 2051 | } else { |
| 2052 | __ Move(dst, src_object); |
| 2053 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2054 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2055 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2056 | case Constant::kRpoNumber: |
| 2057 | UNREACHABLE(); // TODO(dcarney): load of labels on x64. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2058 | break; |
| 2059 | } |
| 2060 | if (destination->IsStackSlot()) { |
| 2061 | __ movq(g.ToOperand(destination), kScratchRegister); |
| 2062 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2063 | } else if (src.type() == Constant::kFloat32) { |
| 2064 | // TODO(turbofan): Can we do better here? |
| 2065 | uint32_t src_const = bit_cast<uint32_t>(src.ToFloat32()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2066 | if (destination->IsDoubleRegister()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2067 | __ Move(g.ToDoubleRegister(destination), src_const); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2068 | } else { |
| 2069 | DCHECK(destination->IsDoubleStackSlot()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2070 | Operand dst = g.ToOperand(destination); |
| 2071 | __ movl(dst, Immediate(src_const)); |
| 2072 | } |
| 2073 | } else { |
| 2074 | DCHECK_EQ(Constant::kFloat64, src.type()); |
| 2075 | uint64_t src_const = bit_cast<uint64_t>(src.ToFloat64()); |
| 2076 | if (destination->IsDoubleRegister()) { |
| 2077 | __ Move(g.ToDoubleRegister(destination), src_const); |
| 2078 | } else { |
| 2079 | DCHECK(destination->IsDoubleStackSlot()); |
| 2080 | __ movq(kScratchRegister, src_const); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2081 | __ movq(g.ToOperand(destination), kScratchRegister); |
| 2082 | } |
| 2083 | } |
| 2084 | } else if (source->IsDoubleRegister()) { |
| 2085 | XMMRegister src = g.ToDoubleRegister(source); |
| 2086 | if (destination->IsDoubleRegister()) { |
| 2087 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2088 | __ Movapd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2089 | } else { |
| 2090 | DCHECK(destination->IsDoubleStackSlot()); |
| 2091 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2092 | __ Movsd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2093 | } |
| 2094 | } else if (source->IsDoubleStackSlot()) { |
| 2095 | DCHECK(destination->IsDoubleRegister() || destination->IsDoubleStackSlot()); |
| 2096 | Operand src = g.ToOperand(source); |
| 2097 | if (destination->IsDoubleRegister()) { |
| 2098 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2099 | __ Movsd(dst, src); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2100 | } else { |
| 2101 | // We rely on having xmm0 available as a fixed scratch register. |
| 2102 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2103 | __ Movsd(xmm0, src); |
| 2104 | __ Movsd(dst, xmm0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2105 | } |
| 2106 | } else { |
| 2107 | UNREACHABLE(); |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | |
| 2112 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 2113 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2114 | X64OperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2115 | // Dispatch on the source and destination operand kinds. Not all |
| 2116 | // combinations are possible. |
| 2117 | if (source->IsRegister() && destination->IsRegister()) { |
| 2118 | // Register-register. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2119 | Register src = g.ToRegister(source); |
| 2120 | Register dst = g.ToRegister(destination); |
| 2121 | __ movq(kScratchRegister, src); |
| 2122 | __ movq(src, dst); |
| 2123 | __ movq(dst, kScratchRegister); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2124 | } else if (source->IsRegister() && destination->IsStackSlot()) { |
| 2125 | Register src = g.ToRegister(source); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2126 | __ pushq(src); |
| 2127 | frame_access_state()->IncreaseSPDelta(1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2128 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2129 | __ movq(src, dst); |
| 2130 | frame_access_state()->IncreaseSPDelta(-1); |
| 2131 | dst = g.ToOperand(destination); |
| 2132 | __ popq(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2133 | } else if ((source->IsStackSlot() && destination->IsStackSlot()) || |
| 2134 | (source->IsDoubleStackSlot() && |
| 2135 | destination->IsDoubleStackSlot())) { |
| 2136 | // Memory-memory. |
| 2137 | Register tmp = kScratchRegister; |
| 2138 | Operand src = g.ToOperand(source); |
| 2139 | Operand dst = g.ToOperand(destination); |
| 2140 | __ movq(tmp, dst); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2141 | __ pushq(src); |
| 2142 | frame_access_state()->IncreaseSPDelta(1); |
| 2143 | src = g.ToOperand(source); |
| 2144 | __ movq(src, tmp); |
| 2145 | frame_access_state()->IncreaseSPDelta(-1); |
| 2146 | dst = g.ToOperand(destination); |
| 2147 | __ popq(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2148 | } else if (source->IsDoubleRegister() && destination->IsDoubleRegister()) { |
| 2149 | // XMM register-register swap. We rely on having xmm0 |
| 2150 | // available as a fixed scratch register. |
| 2151 | XMMRegister src = g.ToDoubleRegister(source); |
| 2152 | XMMRegister dst = g.ToDoubleRegister(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2153 | __ Movapd(xmm0, src); |
| 2154 | __ Movapd(src, dst); |
| 2155 | __ Movapd(dst, xmm0); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2156 | } else if (source->IsDoubleRegister() && destination->IsDoubleStackSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2157 | // XMM register-memory swap. We rely on having xmm0 |
| 2158 | // available as a fixed scratch register. |
| 2159 | XMMRegister src = g.ToDoubleRegister(source); |
| 2160 | Operand dst = g.ToOperand(destination); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2161 | __ Movsd(xmm0, src); |
| 2162 | __ Movsd(src, dst); |
| 2163 | __ Movsd(dst, xmm0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2164 | } else { |
| 2165 | // No other combinations are possible. |
| 2166 | UNREACHABLE(); |
| 2167 | } |
| 2168 | } |
| 2169 | |
| 2170 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2171 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 2172 | for (size_t index = 0; index < target_count; ++index) { |
| 2173 | __ dq(targets[index]); |
| 2174 | } |
| 2175 | } |
| 2176 | |
| 2177 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2178 | void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); } |
| 2179 | |
| 2180 | |
| 2181 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2182 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 2183 | return; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2184 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2185 | |
| 2186 | int space_needed = Deoptimizer::patch_size(); |
| 2187 | // Ensure that we have enough space after the previous lazy-bailout |
| 2188 | // instruction for patching the code here. |
| 2189 | int current_pc = masm()->pc_offset(); |
| 2190 | if (current_pc < last_lazy_deopt_pc_ + space_needed) { |
| 2191 | int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 2192 | __ Nop(padding_size); |
| 2193 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2194 | } |
| 2195 | |
| 2196 | #undef __ |
| 2197 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2198 | } // namespace compiler |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2199 | } // namespace internal |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2200 | } // namespace v8 |