Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/code-generator.h" |
| 6 | |
| 7 | #include "src/ast/scopes.h" |
| 8 | #include "src/compiler/code-generator-impl.h" |
| 9 | #include "src/compiler/gap-resolver.h" |
| 10 | #include "src/compiler/node-matchers.h" |
| 11 | #include "src/compiler/osr.h" |
| 12 | #include "src/ppc/macro-assembler-ppc.h" |
| 13 | |
| 14 | namespace v8 { |
| 15 | namespace internal { |
| 16 | namespace compiler { |
| 17 | |
| 18 | #define __ masm()-> |
| 19 | |
| 20 | |
| 21 | #define kScratchReg r11 |
| 22 | |
| 23 | |
| 24 | // Adds PPC-specific methods to convert InstructionOperands. |
| 25 | class PPCOperandConverter final : public InstructionOperandConverter { |
| 26 | public: |
| 27 | PPCOperandConverter(CodeGenerator* gen, Instruction* instr) |
| 28 | : InstructionOperandConverter(gen, instr) {} |
| 29 | |
| 30 | size_t OutputCount() { return instr_->OutputCount(); } |
| 31 | |
| 32 | RCBit OutputRCBit() const { |
| 33 | switch (instr_->flags_mode()) { |
| 34 | case kFlags_branch: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 35 | case kFlags_deoptimize: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 36 | case kFlags_set: |
| 37 | return SetRC; |
| 38 | case kFlags_none: |
| 39 | return LeaveRC; |
| 40 | } |
| 41 | UNREACHABLE(); |
| 42 | return LeaveRC; |
| 43 | } |
| 44 | |
| 45 | bool CompareLogical() const { |
| 46 | switch (instr_->flags_condition()) { |
| 47 | case kUnsignedLessThan: |
| 48 | case kUnsignedGreaterThanOrEqual: |
| 49 | case kUnsignedLessThanOrEqual: |
| 50 | case kUnsignedGreaterThan: |
| 51 | return true; |
| 52 | default: |
| 53 | return false; |
| 54 | } |
| 55 | UNREACHABLE(); |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | Operand InputImmediate(size_t index) { |
| 60 | Constant constant = ToConstant(instr_->InputAt(index)); |
| 61 | switch (constant.type()) { |
| 62 | case Constant::kInt32: |
| 63 | return Operand(constant.ToInt32()); |
| 64 | case Constant::kFloat32: |
| 65 | return Operand( |
| 66 | isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); |
| 67 | case Constant::kFloat64: |
| 68 | return Operand( |
| 69 | isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED)); |
| 70 | case Constant::kInt64: |
| 71 | #if V8_TARGET_ARCH_PPC64 |
| 72 | return Operand(constant.ToInt64()); |
| 73 | #endif |
| 74 | case Constant::kExternalReference: |
| 75 | case Constant::kHeapObject: |
| 76 | case Constant::kRpoNumber: |
| 77 | break; |
| 78 | } |
| 79 | UNREACHABLE(); |
| 80 | return Operand::Zero(); |
| 81 | } |
| 82 | |
| 83 | MemOperand MemoryOperand(AddressingMode* mode, size_t* first_index) { |
| 84 | const size_t index = *first_index; |
| 85 | *mode = AddressingModeField::decode(instr_->opcode()); |
| 86 | switch (*mode) { |
| 87 | case kMode_None: |
| 88 | break; |
| 89 | case kMode_MRI: |
| 90 | *first_index += 2; |
| 91 | return MemOperand(InputRegister(index + 0), InputInt32(index + 1)); |
| 92 | case kMode_MRR: |
| 93 | *first_index += 2; |
| 94 | return MemOperand(InputRegister(index + 0), InputRegister(index + 1)); |
| 95 | } |
| 96 | UNREACHABLE(); |
| 97 | return MemOperand(r0); |
| 98 | } |
| 99 | |
| 100 | MemOperand MemoryOperand(AddressingMode* mode, size_t first_index = 0) { |
| 101 | return MemoryOperand(mode, &first_index); |
| 102 | } |
| 103 | |
| 104 | MemOperand ToMemOperand(InstructionOperand* op) const { |
| 105 | DCHECK_NOT_NULL(op); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 106 | DCHECK(op->IsStackSlot() || op->IsFPStackSlot()); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 107 | return SlotToMemOperand(AllocatedOperand::cast(op)->index()); |
| 108 | } |
| 109 | |
| 110 | MemOperand SlotToMemOperand(int slot) const { |
| 111 | FrameOffset offset = frame_access_state()->GetFrameOffset(slot); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 112 | return MemOperand(offset.from_stack_pointer() ? sp : fp, offset.offset()); |
| 113 | } |
| 114 | }; |
| 115 | |
| 116 | |
| 117 | static inline bool HasRegisterInput(Instruction* instr, size_t index) { |
| 118 | return instr->InputAt(index)->IsRegister(); |
| 119 | } |
| 120 | |
| 121 | |
| 122 | namespace { |
| 123 | |
| 124 | class OutOfLineLoadNAN32 final : public OutOfLineCode { |
| 125 | public: |
| 126 | OutOfLineLoadNAN32(CodeGenerator* gen, DoubleRegister result) |
| 127 | : OutOfLineCode(gen), result_(result) {} |
| 128 | |
| 129 | void Generate() final { |
| 130 | __ LoadDoubleLiteral(result_, std::numeric_limits<float>::quiet_NaN(), |
| 131 | kScratchReg); |
| 132 | } |
| 133 | |
| 134 | private: |
| 135 | DoubleRegister const result_; |
| 136 | }; |
| 137 | |
| 138 | |
| 139 | class OutOfLineLoadNAN64 final : public OutOfLineCode { |
| 140 | public: |
| 141 | OutOfLineLoadNAN64(CodeGenerator* gen, DoubleRegister result) |
| 142 | : OutOfLineCode(gen), result_(result) {} |
| 143 | |
| 144 | void Generate() final { |
| 145 | __ LoadDoubleLiteral(result_, std::numeric_limits<double>::quiet_NaN(), |
| 146 | kScratchReg); |
| 147 | } |
| 148 | |
| 149 | private: |
| 150 | DoubleRegister const result_; |
| 151 | }; |
| 152 | |
| 153 | |
| 154 | class OutOfLineLoadZero final : public OutOfLineCode { |
| 155 | public: |
| 156 | OutOfLineLoadZero(CodeGenerator* gen, Register result) |
| 157 | : OutOfLineCode(gen), result_(result) {} |
| 158 | |
| 159 | void Generate() final { __ li(result_, Operand::Zero()); } |
| 160 | |
| 161 | private: |
| 162 | Register const result_; |
| 163 | }; |
| 164 | |
| 165 | |
| 166 | class OutOfLineRecordWrite final : public OutOfLineCode { |
| 167 | public: |
| 168 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, Register offset, |
| 169 | Register value, Register scratch0, Register scratch1, |
| 170 | RecordWriteMode mode) |
| 171 | : OutOfLineCode(gen), |
| 172 | object_(object), |
| 173 | offset_(offset), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 174 | offset_immediate_(0), |
| 175 | value_(value), |
| 176 | scratch0_(scratch0), |
| 177 | scratch1_(scratch1), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 178 | mode_(mode), |
| 179 | must_save_lr_(!gen->frame_access_state()->has_frame()) {} |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 180 | |
| 181 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, int32_t offset, |
| 182 | Register value, Register scratch0, Register scratch1, |
| 183 | RecordWriteMode mode) |
| 184 | : OutOfLineCode(gen), |
| 185 | object_(object), |
| 186 | offset_(no_reg), |
| 187 | offset_immediate_(offset), |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 188 | value_(value), |
| 189 | scratch0_(scratch0), |
| 190 | scratch1_(scratch1), |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 191 | mode_(mode), |
| 192 | must_save_lr_(!gen->frame_access_state()->has_frame()) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 193 | |
| 194 | void Generate() final { |
| 195 | if (mode_ > RecordWriteMode::kValueIsPointer) { |
| 196 | __ JumpIfSmi(value_, exit()); |
| 197 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 198 | __ CheckPageFlag(value_, scratch0_, |
| 199 | MemoryChunk::kPointersToHereAreInterestingMask, eq, |
| 200 | exit()); |
| 201 | RememberedSetAction const remembered_set_action = |
| 202 | mode_ > RecordWriteMode::kValueIsMap ? EMIT_REMEMBERED_SET |
| 203 | : OMIT_REMEMBERED_SET; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 204 | SaveFPRegsMode const save_fp_mode = |
| 205 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 206 | if (must_save_lr_) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 207 | // We need to save and restore lr if the frame was elided. |
| 208 | __ mflr(scratch1_); |
| 209 | __ Push(scratch1_); |
| 210 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 211 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 212 | remembered_set_action, save_fp_mode); |
| 213 | if (offset_.is(no_reg)) { |
| 214 | __ addi(scratch1_, object_, Operand(offset_immediate_)); |
| 215 | } else { |
| 216 | DCHECK_EQ(0, offset_immediate_); |
| 217 | __ add(scratch1_, object_, offset_); |
| 218 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 219 | if (must_save_lr_ && FLAG_enable_embedded_constant_pool) { |
| 220 | ConstantPoolUnavailableScope constant_pool_unavailable(masm()); |
| 221 | __ CallStub(&stub); |
| 222 | } else { |
| 223 | __ CallStub(&stub); |
| 224 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 225 | if (must_save_lr_) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 226 | // We need to save and restore lr if the frame was elided. |
| 227 | __ Pop(scratch1_); |
| 228 | __ mtlr(scratch1_); |
| 229 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | private: |
| 233 | Register const object_; |
| 234 | Register const offset_; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 235 | int32_t const offset_immediate_; // Valid if offset_.is(no_reg). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 236 | Register const value_; |
| 237 | Register const scratch0_; |
| 238 | Register const scratch1_; |
| 239 | RecordWriteMode const mode_; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 240 | bool must_save_lr_; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 241 | }; |
| 242 | |
| 243 | |
| 244 | Condition FlagsConditionToCondition(FlagsCondition condition, ArchOpcode op) { |
| 245 | switch (condition) { |
| 246 | case kEqual: |
| 247 | return eq; |
| 248 | case kNotEqual: |
| 249 | return ne; |
| 250 | case kSignedLessThan: |
| 251 | case kUnsignedLessThan: |
| 252 | return lt; |
| 253 | case kSignedGreaterThanOrEqual: |
| 254 | case kUnsignedGreaterThanOrEqual: |
| 255 | return ge; |
| 256 | case kSignedLessThanOrEqual: |
| 257 | case kUnsignedLessThanOrEqual: |
| 258 | return le; |
| 259 | case kSignedGreaterThan: |
| 260 | case kUnsignedGreaterThan: |
| 261 | return gt; |
| 262 | case kOverflow: |
| 263 | // Overflow checked for add/sub only. |
| 264 | switch (op) { |
| 265 | #if V8_TARGET_ARCH_PPC64 |
| 266 | case kPPC_Add: |
| 267 | case kPPC_Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 268 | #endif |
| 269 | case kPPC_AddWithOverflow32: |
| 270 | case kPPC_SubWithOverflow32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 271 | return lt; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 272 | default: |
| 273 | break; |
| 274 | } |
| 275 | break; |
| 276 | case kNotOverflow: |
| 277 | switch (op) { |
| 278 | #if V8_TARGET_ARCH_PPC64 |
| 279 | case kPPC_Add: |
| 280 | case kPPC_Sub: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 281 | #endif |
| 282 | case kPPC_AddWithOverflow32: |
| 283 | case kPPC_SubWithOverflow32: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 284 | return ge; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 285 | default: |
| 286 | break; |
| 287 | } |
| 288 | break; |
| 289 | default: |
| 290 | break; |
| 291 | } |
| 292 | UNREACHABLE(); |
| 293 | return kNoCondition; |
| 294 | } |
| 295 | |
| 296 | } // namespace |
| 297 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 298 | #define ASSEMBLE_FLOAT_UNOP_RC(asm_instr, round) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 299 | do { \ |
| 300 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 301 | i.OutputRCBit()); \ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 302 | if (round) { \ |
| 303 | __ frsp(i.OutputDoubleRegister(), i.OutputDoubleRegister()); \ |
| 304 | } \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 305 | } while (0) |
| 306 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 307 | #define ASSEMBLE_FLOAT_BINOP_RC(asm_instr, round) \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 308 | do { \ |
| 309 | __ asm_instr(i.OutputDoubleRegister(), i.InputDoubleRegister(0), \ |
| 310 | i.InputDoubleRegister(1), i.OutputRCBit()); \ |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 311 | if (round) { \ |
| 312 | __ frsp(i.OutputDoubleRegister(), i.OutputDoubleRegister()); \ |
| 313 | } \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 314 | } while (0) |
| 315 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 316 | #define ASSEMBLE_BINOP(asm_instr_reg, asm_instr_imm) \ |
| 317 | do { \ |
| 318 | if (HasRegisterInput(instr, 1)) { \ |
| 319 | __ asm_instr_reg(i.OutputRegister(), i.InputRegister(0), \ |
| 320 | i.InputRegister(1)); \ |
| 321 | } else { \ |
| 322 | __ asm_instr_imm(i.OutputRegister(), i.InputRegister(0), \ |
| 323 | i.InputImmediate(1)); \ |
| 324 | } \ |
| 325 | } while (0) |
| 326 | |
| 327 | |
| 328 | #define ASSEMBLE_BINOP_RC(asm_instr_reg, asm_instr_imm) \ |
| 329 | do { \ |
| 330 | if (HasRegisterInput(instr, 1)) { \ |
| 331 | __ asm_instr_reg(i.OutputRegister(), i.InputRegister(0), \ |
| 332 | i.InputRegister(1), i.OutputRCBit()); \ |
| 333 | } else { \ |
| 334 | __ asm_instr_imm(i.OutputRegister(), i.InputRegister(0), \ |
| 335 | i.InputImmediate(1), i.OutputRCBit()); \ |
| 336 | } \ |
| 337 | } while (0) |
| 338 | |
| 339 | |
| 340 | #define ASSEMBLE_BINOP_INT_RC(asm_instr_reg, asm_instr_imm) \ |
| 341 | do { \ |
| 342 | if (HasRegisterInput(instr, 1)) { \ |
| 343 | __ asm_instr_reg(i.OutputRegister(), i.InputRegister(0), \ |
| 344 | i.InputRegister(1), i.OutputRCBit()); \ |
| 345 | } else { \ |
| 346 | __ asm_instr_imm(i.OutputRegister(), i.InputRegister(0), \ |
| 347 | i.InputInt32(1), i.OutputRCBit()); \ |
| 348 | } \ |
| 349 | } while (0) |
| 350 | |
| 351 | |
| 352 | #define ASSEMBLE_ADD_WITH_OVERFLOW() \ |
| 353 | do { \ |
| 354 | if (HasRegisterInput(instr, 1)) { \ |
| 355 | __ AddAndCheckForOverflow(i.OutputRegister(), i.InputRegister(0), \ |
| 356 | i.InputRegister(1), kScratchReg, r0); \ |
| 357 | } else { \ |
| 358 | __ AddAndCheckForOverflow(i.OutputRegister(), i.InputRegister(0), \ |
| 359 | i.InputInt32(1), kScratchReg, r0); \ |
| 360 | } \ |
| 361 | } while (0) |
| 362 | |
| 363 | |
| 364 | #define ASSEMBLE_SUB_WITH_OVERFLOW() \ |
| 365 | do { \ |
| 366 | if (HasRegisterInput(instr, 1)) { \ |
| 367 | __ SubAndCheckForOverflow(i.OutputRegister(), i.InputRegister(0), \ |
| 368 | i.InputRegister(1), kScratchReg, r0); \ |
| 369 | } else { \ |
| 370 | __ AddAndCheckForOverflow(i.OutputRegister(), i.InputRegister(0), \ |
| 371 | -i.InputInt32(1), kScratchReg, r0); \ |
| 372 | } \ |
| 373 | } while (0) |
| 374 | |
| 375 | |
| 376 | #if V8_TARGET_ARCH_PPC64 |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 377 | #define ASSEMBLE_ADD_WITH_OVERFLOW32() \ |
| 378 | do { \ |
| 379 | ASSEMBLE_ADD_WITH_OVERFLOW(); \ |
| 380 | __ extsw(kScratchReg, kScratchReg, SetRC); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 381 | } while (0) |
| 382 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 383 | #define ASSEMBLE_SUB_WITH_OVERFLOW32() \ |
| 384 | do { \ |
| 385 | ASSEMBLE_SUB_WITH_OVERFLOW(); \ |
| 386 | __ extsw(kScratchReg, kScratchReg, SetRC); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 387 | } while (0) |
| 388 | #else |
| 389 | #define ASSEMBLE_ADD_WITH_OVERFLOW32 ASSEMBLE_ADD_WITH_OVERFLOW |
| 390 | #define ASSEMBLE_SUB_WITH_OVERFLOW32 ASSEMBLE_SUB_WITH_OVERFLOW |
| 391 | #endif |
| 392 | |
| 393 | |
| 394 | #define ASSEMBLE_COMPARE(cmp_instr, cmpl_instr) \ |
| 395 | do { \ |
| 396 | const CRegister cr = cr0; \ |
| 397 | if (HasRegisterInput(instr, 1)) { \ |
| 398 | if (i.CompareLogical()) { \ |
| 399 | __ cmpl_instr(i.InputRegister(0), i.InputRegister(1), cr); \ |
| 400 | } else { \ |
| 401 | __ cmp_instr(i.InputRegister(0), i.InputRegister(1), cr); \ |
| 402 | } \ |
| 403 | } else { \ |
| 404 | if (i.CompareLogical()) { \ |
| 405 | __ cmpl_instr##i(i.InputRegister(0), i.InputImmediate(1), cr); \ |
| 406 | } else { \ |
| 407 | __ cmp_instr##i(i.InputRegister(0), i.InputImmediate(1), cr); \ |
| 408 | } \ |
| 409 | } \ |
| 410 | DCHECK_EQ(SetRC, i.OutputRCBit()); \ |
| 411 | } while (0) |
| 412 | |
| 413 | |
| 414 | #define ASSEMBLE_FLOAT_COMPARE(cmp_instr) \ |
| 415 | do { \ |
| 416 | const CRegister cr = cr0; \ |
| 417 | __ cmp_instr(i.InputDoubleRegister(0), i.InputDoubleRegister(1), cr); \ |
| 418 | DCHECK_EQ(SetRC, i.OutputRCBit()); \ |
| 419 | } while (0) |
| 420 | |
| 421 | |
| 422 | #define ASSEMBLE_MODULO(div_instr, mul_instr) \ |
| 423 | do { \ |
| 424 | const Register scratch = kScratchReg; \ |
| 425 | __ div_instr(scratch, i.InputRegister(0), i.InputRegister(1)); \ |
| 426 | __ mul_instr(scratch, scratch, i.InputRegister(1)); \ |
| 427 | __ sub(i.OutputRegister(), i.InputRegister(0), scratch, LeaveOE, \ |
| 428 | i.OutputRCBit()); \ |
| 429 | } while (0) |
| 430 | |
| 431 | |
| 432 | #define ASSEMBLE_FLOAT_MODULO() \ |
| 433 | do { \ |
| 434 | FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 435 | __ PrepareCallCFunction(0, 2, kScratchReg); \ |
| 436 | __ MovToFloatParameters(i.InputDoubleRegister(0), \ |
| 437 | i.InputDoubleRegister(1)); \ |
| 438 | __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()), \ |
| 439 | 0, 2); \ |
| 440 | __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 441 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 442 | } while (0) |
| 443 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 444 | #define ASSEMBLE_IEEE754_UNOP(name) \ |
| 445 | do { \ |
| 446 | /* TODO(bmeurer): We should really get rid of this special instruction, */ \ |
| 447 | /* and generate a CallAddress instruction instead. */ \ |
| 448 | FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 449 | __ PrepareCallCFunction(0, 1, kScratchReg); \ |
| 450 | __ MovToFloatParameter(i.InputDoubleRegister(0)); \ |
| 451 | __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()), \ |
| 452 | 0, 1); \ |
| 453 | /* Move the result in the double result register. */ \ |
| 454 | __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 455 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 456 | } while (0) |
| 457 | |
| 458 | #define ASSEMBLE_IEEE754_BINOP(name) \ |
| 459 | do { \ |
| 460 | /* TODO(bmeurer): We should really get rid of this special instruction, */ \ |
| 461 | /* and generate a CallAddress instruction instead. */ \ |
| 462 | FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 463 | __ PrepareCallCFunction(0, 2, kScratchReg); \ |
| 464 | __ MovToFloatParameters(i.InputDoubleRegister(0), \ |
| 465 | i.InputDoubleRegister(1)); \ |
| 466 | __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()), \ |
| 467 | 0, 2); \ |
| 468 | /* Move the result in the double result register. */ \ |
| 469 | __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 470 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 471 | } while (0) |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 472 | |
| 473 | #define ASSEMBLE_FLOAT_MAX(scratch_reg) \ |
| 474 | do { \ |
| 475 | __ fsub(scratch_reg, i.InputDoubleRegister(0), i.InputDoubleRegister(1)); \ |
| 476 | __ fsel(i.OutputDoubleRegister(), scratch_reg, i.InputDoubleRegister(0), \ |
| 477 | i.InputDoubleRegister(1)); \ |
| 478 | } while (0) |
| 479 | |
| 480 | |
| 481 | #define ASSEMBLE_FLOAT_MIN(scratch_reg) \ |
| 482 | do { \ |
| 483 | __ fsub(scratch_reg, i.InputDoubleRegister(0), i.InputDoubleRegister(1)); \ |
| 484 | __ fsel(i.OutputDoubleRegister(), scratch_reg, i.InputDoubleRegister(1), \ |
| 485 | i.InputDoubleRegister(0)); \ |
| 486 | } while (0) |
| 487 | |
| 488 | |
| 489 | #define ASSEMBLE_LOAD_FLOAT(asm_instr, asm_instrx) \ |
| 490 | do { \ |
| 491 | DoubleRegister result = i.OutputDoubleRegister(); \ |
| 492 | AddressingMode mode = kMode_None; \ |
| 493 | MemOperand operand = i.MemoryOperand(&mode); \ |
| 494 | if (mode == kMode_MRI) { \ |
| 495 | __ asm_instr(result, operand); \ |
| 496 | } else { \ |
| 497 | __ asm_instrx(result, operand); \ |
| 498 | } \ |
| 499 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 500 | } while (0) |
| 501 | |
| 502 | |
| 503 | #define ASSEMBLE_LOAD_INTEGER(asm_instr, asm_instrx) \ |
| 504 | do { \ |
| 505 | Register result = i.OutputRegister(); \ |
| 506 | AddressingMode mode = kMode_None; \ |
| 507 | MemOperand operand = i.MemoryOperand(&mode); \ |
| 508 | if (mode == kMode_MRI) { \ |
| 509 | __ asm_instr(result, operand); \ |
| 510 | } else { \ |
| 511 | __ asm_instrx(result, operand); \ |
| 512 | } \ |
| 513 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 514 | } while (0) |
| 515 | |
| 516 | |
| 517 | #define ASSEMBLE_STORE_FLOAT32() \ |
| 518 | do { \ |
| 519 | size_t index = 0; \ |
| 520 | AddressingMode mode = kMode_None; \ |
| 521 | MemOperand operand = i.MemoryOperand(&mode, &index); \ |
| 522 | DoubleRegister value = i.InputDoubleRegister(index); \ |
| 523 | __ frsp(kScratchDoubleReg, value); \ |
| 524 | if (mode == kMode_MRI) { \ |
| 525 | __ stfs(kScratchDoubleReg, operand); \ |
| 526 | } else { \ |
| 527 | __ stfsx(kScratchDoubleReg, operand); \ |
| 528 | } \ |
| 529 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 530 | } while (0) |
| 531 | |
| 532 | |
| 533 | #define ASSEMBLE_STORE_DOUBLE() \ |
| 534 | do { \ |
| 535 | size_t index = 0; \ |
| 536 | AddressingMode mode = kMode_None; \ |
| 537 | MemOperand operand = i.MemoryOperand(&mode, &index); \ |
| 538 | DoubleRegister value = i.InputDoubleRegister(index); \ |
| 539 | if (mode == kMode_MRI) { \ |
| 540 | __ stfd(value, operand); \ |
| 541 | } else { \ |
| 542 | __ stfdx(value, operand); \ |
| 543 | } \ |
| 544 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 545 | } while (0) |
| 546 | |
| 547 | |
| 548 | #define ASSEMBLE_STORE_INTEGER(asm_instr, asm_instrx) \ |
| 549 | do { \ |
| 550 | size_t index = 0; \ |
| 551 | AddressingMode mode = kMode_None; \ |
| 552 | MemOperand operand = i.MemoryOperand(&mode, &index); \ |
| 553 | Register value = i.InputRegister(index); \ |
| 554 | if (mode == kMode_MRI) { \ |
| 555 | __ asm_instr(value, operand); \ |
| 556 | } else { \ |
| 557 | __ asm_instrx(value, operand); \ |
| 558 | } \ |
| 559 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 560 | } while (0) |
| 561 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 562 | #if V8_TARGET_ARCH_PPC64 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 563 | // TODO(mbrandy): fix paths that produce garbage in offset's upper 32-bits. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 564 | #define CleanUInt32(x) __ ClearLeftImm(x, x, Operand(32)) |
| 565 | #else |
| 566 | #define CleanUInt32(x) |
| 567 | #endif |
| 568 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 569 | #define ASSEMBLE_CHECKED_LOAD_FLOAT(asm_instr, asm_instrx, width) \ |
| 570 | do { \ |
| 571 | DoubleRegister result = i.OutputDoubleRegister(); \ |
| 572 | size_t index = 0; \ |
| 573 | AddressingMode mode = kMode_None; \ |
| 574 | MemOperand operand = i.MemoryOperand(&mode, index); \ |
| 575 | DCHECK_EQ(kMode_MRR, mode); \ |
| 576 | Register offset = operand.rb(); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 577 | if (HasRegisterInput(instr, 2)) { \ |
| 578 | __ cmplw(offset, i.InputRegister(2)); \ |
| 579 | } else { \ |
| 580 | __ cmplwi(offset, i.InputImmediate(2)); \ |
| 581 | } \ |
| 582 | auto ool = new (zone()) OutOfLineLoadNAN##width(this, result); \ |
| 583 | __ bge(ool->entry()); \ |
| 584 | if (mode == kMode_MRI) { \ |
| 585 | __ asm_instr(result, operand); \ |
| 586 | } else { \ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 587 | CleanUInt32(offset); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 588 | __ asm_instrx(result, operand); \ |
| 589 | } \ |
| 590 | __ bind(ool->exit()); \ |
| 591 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 592 | } while (0) |
| 593 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 594 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr, asm_instrx) \ |
| 595 | do { \ |
| 596 | Register result = i.OutputRegister(); \ |
| 597 | size_t index = 0; \ |
| 598 | AddressingMode mode = kMode_None; \ |
| 599 | MemOperand operand = i.MemoryOperand(&mode, index); \ |
| 600 | DCHECK_EQ(kMode_MRR, mode); \ |
| 601 | Register offset = operand.rb(); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 602 | if (HasRegisterInput(instr, 2)) { \ |
| 603 | __ cmplw(offset, i.InputRegister(2)); \ |
| 604 | } else { \ |
| 605 | __ cmplwi(offset, i.InputImmediate(2)); \ |
| 606 | } \ |
| 607 | auto ool = new (zone()) OutOfLineLoadZero(this, result); \ |
| 608 | __ bge(ool->entry()); \ |
| 609 | if (mode == kMode_MRI) { \ |
| 610 | __ asm_instr(result, operand); \ |
| 611 | } else { \ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 612 | CleanUInt32(offset); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 613 | __ asm_instrx(result, operand); \ |
| 614 | } \ |
| 615 | __ bind(ool->exit()); \ |
| 616 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 617 | } while (0) |
| 618 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 619 | #define ASSEMBLE_CHECKED_STORE_FLOAT32() \ |
| 620 | do { \ |
| 621 | Label done; \ |
| 622 | size_t index = 0; \ |
| 623 | AddressingMode mode = kMode_None; \ |
| 624 | MemOperand operand = i.MemoryOperand(&mode, index); \ |
| 625 | DCHECK_EQ(kMode_MRR, mode); \ |
| 626 | Register offset = operand.rb(); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 627 | if (HasRegisterInput(instr, 2)) { \ |
| 628 | __ cmplw(offset, i.InputRegister(2)); \ |
| 629 | } else { \ |
| 630 | __ cmplwi(offset, i.InputImmediate(2)); \ |
| 631 | } \ |
| 632 | __ bge(&done); \ |
| 633 | DoubleRegister value = i.InputDoubleRegister(3); \ |
| 634 | __ frsp(kScratchDoubleReg, value); \ |
| 635 | if (mode == kMode_MRI) { \ |
| 636 | __ stfs(kScratchDoubleReg, operand); \ |
| 637 | } else { \ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 638 | CleanUInt32(offset); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 639 | __ stfsx(kScratchDoubleReg, operand); \ |
| 640 | } \ |
| 641 | __ bind(&done); \ |
| 642 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 643 | } while (0) |
| 644 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 645 | #define ASSEMBLE_CHECKED_STORE_DOUBLE() \ |
| 646 | do { \ |
| 647 | Label done; \ |
| 648 | size_t index = 0; \ |
| 649 | AddressingMode mode = kMode_None; \ |
| 650 | MemOperand operand = i.MemoryOperand(&mode, index); \ |
| 651 | DCHECK_EQ(kMode_MRR, mode); \ |
| 652 | Register offset = operand.rb(); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 653 | if (HasRegisterInput(instr, 2)) { \ |
| 654 | __ cmplw(offset, i.InputRegister(2)); \ |
| 655 | } else { \ |
| 656 | __ cmplwi(offset, i.InputImmediate(2)); \ |
| 657 | } \ |
| 658 | __ bge(&done); \ |
| 659 | DoubleRegister value = i.InputDoubleRegister(3); \ |
| 660 | if (mode == kMode_MRI) { \ |
| 661 | __ stfd(value, operand); \ |
| 662 | } else { \ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 663 | CleanUInt32(offset); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 664 | __ stfdx(value, operand); \ |
| 665 | } \ |
| 666 | __ bind(&done); \ |
| 667 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 668 | } while (0) |
| 669 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 670 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr, asm_instrx) \ |
| 671 | do { \ |
| 672 | Label done; \ |
| 673 | size_t index = 0; \ |
| 674 | AddressingMode mode = kMode_None; \ |
| 675 | MemOperand operand = i.MemoryOperand(&mode, index); \ |
| 676 | DCHECK_EQ(kMode_MRR, mode); \ |
| 677 | Register offset = operand.rb(); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 678 | if (HasRegisterInput(instr, 2)) { \ |
| 679 | __ cmplw(offset, i.InputRegister(2)); \ |
| 680 | } else { \ |
| 681 | __ cmplwi(offset, i.InputImmediate(2)); \ |
| 682 | } \ |
| 683 | __ bge(&done); \ |
| 684 | Register value = i.InputRegister(3); \ |
| 685 | if (mode == kMode_MRI) { \ |
| 686 | __ asm_instr(value, operand); \ |
| 687 | } else { \ |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 688 | CleanUInt32(offset); \ |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 689 | __ asm_instrx(value, operand); \ |
| 690 | } \ |
| 691 | __ bind(&done); \ |
| 692 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 693 | } while (0) |
| 694 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 695 | #define ASSEMBLE_ATOMIC_LOAD_INTEGER(asm_instr, asm_instrx) \ |
| 696 | do { \ |
| 697 | Label done; \ |
| 698 | Register result = i.OutputRegister(); \ |
| 699 | AddressingMode mode = kMode_None; \ |
| 700 | MemOperand operand = i.MemoryOperand(&mode); \ |
| 701 | __ sync(); \ |
| 702 | if (mode == kMode_MRI) { \ |
| 703 | __ asm_instr(result, operand); \ |
| 704 | } else { \ |
| 705 | __ asm_instrx(result, operand); \ |
| 706 | } \ |
| 707 | __ bind(&done); \ |
| 708 | __ cmp(result, result); \ |
| 709 | __ bne(&done); \ |
| 710 | __ isync(); \ |
| 711 | } while (0) |
| 712 | #define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr, asm_instrx) \ |
| 713 | do { \ |
| 714 | size_t index = 0; \ |
| 715 | AddressingMode mode = kMode_None; \ |
| 716 | MemOperand operand = i.MemoryOperand(&mode, &index); \ |
| 717 | Register value = i.InputRegister(index); \ |
| 718 | __ sync(); \ |
| 719 | if (mode == kMode_MRI) { \ |
| 720 | __ asm_instr(value, operand); \ |
| 721 | } else { \ |
| 722 | __ asm_instrx(value, operand); \ |
| 723 | } \ |
| 724 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); \ |
| 725 | } while (0) |
| 726 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 727 | void CodeGenerator::AssembleDeconstructFrame() { |
| 728 | __ LeaveFrame(StackFrame::MANUAL); |
| 729 | } |
| 730 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 731 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 732 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 733 | if (sp_slot_delta > 0) { |
| 734 | __ Add(sp, sp, sp_slot_delta * kPointerSize, r0); |
| 735 | } |
| 736 | frame_access_state()->SetFrameAccessToDefault(); |
| 737 | } |
| 738 | |
| 739 | |
| 740 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 741 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 742 | if (sp_slot_delta < 0) { |
| 743 | __ Add(sp, sp, sp_slot_delta * kPointerSize, r0); |
| 744 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 745 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 746 | if (frame_access_state()->has_frame()) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 747 | __ RestoreFrameStateForTailCall(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 748 | } |
| 749 | frame_access_state()->SetFrameAccessToSP(); |
| 750 | } |
| 751 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 752 | void CodeGenerator::AssemblePopArgumentsAdaptorFrame(Register args_reg, |
| 753 | Register scratch1, |
| 754 | Register scratch2, |
| 755 | Register scratch3) { |
| 756 | DCHECK(!AreAliased(args_reg, scratch1, scratch2, scratch3)); |
| 757 | Label done; |
| 758 | |
| 759 | // Check if current frame is an arguments adaptor frame. |
| 760 | __ LoadP(scratch1, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 761 | __ CmpSmiLiteral(scratch1, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0); |
| 762 | __ bne(&done); |
| 763 | |
| 764 | // Load arguments count from current arguments adaptor frame (note, it |
| 765 | // does not include receiver). |
| 766 | Register caller_args_count_reg = scratch1; |
| 767 | __ LoadP(caller_args_count_reg, |
| 768 | MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
| 769 | __ SmiUntag(caller_args_count_reg); |
| 770 | |
| 771 | ParameterCount callee_args_count(args_reg); |
| 772 | __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2, |
| 773 | scratch3); |
| 774 | __ bind(&done); |
| 775 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 776 | |
| 777 | // Assembles an instruction after register allocation, producing machine code. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 778 | CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
| 779 | Instruction* instr) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 780 | PPCOperandConverter i(this, instr); |
| 781 | ArchOpcode opcode = ArchOpcodeField::decode(instr->opcode()); |
| 782 | |
| 783 | switch (opcode) { |
| 784 | case kArchCallCodeObject: { |
| 785 | v8::internal::Assembler::BlockTrampolinePoolScope block_trampoline_pool( |
| 786 | masm()); |
| 787 | EnsureSpaceForLazyDeopt(); |
| 788 | if (HasRegisterInput(instr, 0)) { |
| 789 | __ addi(ip, i.InputRegister(0), |
| 790 | Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 791 | __ Call(ip); |
| 792 | } else { |
| 793 | __ Call(Handle<Code>::cast(i.InputHeapObject(0)), |
| 794 | RelocInfo::CODE_TARGET); |
| 795 | } |
| 796 | RecordCallPosition(instr); |
| 797 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 798 | frame_access_state()->ClearSPDelta(); |
| 799 | break; |
| 800 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 801 | case kArchTailCallCodeObjectFromJSFunction: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 802 | case kArchTailCallCodeObject: { |
| 803 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 804 | AssembleDeconstructActivationRecord(stack_param_delta); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 805 | if (opcode == kArchTailCallCodeObjectFromJSFunction) { |
| 806 | AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister, |
| 807 | i.TempRegister(0), i.TempRegister(1), |
| 808 | i.TempRegister(2)); |
| 809 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 810 | if (HasRegisterInput(instr, 0)) { |
| 811 | __ addi(ip, i.InputRegister(0), |
| 812 | Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 813 | __ Jump(ip); |
| 814 | } else { |
| 815 | // We cannot use the constant pool to load the target since |
| 816 | // we've already restored the caller's frame. |
| 817 | ConstantPoolUnavailableScope constant_pool_unavailable(masm()); |
| 818 | __ Jump(Handle<Code>::cast(i.InputHeapObject(0)), |
| 819 | RelocInfo::CODE_TARGET); |
| 820 | } |
| 821 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 822 | frame_access_state()->ClearSPDelta(); |
| 823 | break; |
| 824 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 825 | case kArchTailCallAddress: { |
| 826 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 827 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 828 | CHECK(!instr->InputAt(0)->IsImmediate()); |
| 829 | __ Jump(i.InputRegister(0)); |
| 830 | frame_access_state()->ClearSPDelta(); |
| 831 | break; |
| 832 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 833 | case kArchCallJSFunction: { |
| 834 | v8::internal::Assembler::BlockTrampolinePoolScope block_trampoline_pool( |
| 835 | masm()); |
| 836 | EnsureSpaceForLazyDeopt(); |
| 837 | Register func = i.InputRegister(0); |
| 838 | if (FLAG_debug_code) { |
| 839 | // Check the function's context matches the context argument. |
| 840 | __ LoadP(kScratchReg, |
| 841 | FieldMemOperand(func, JSFunction::kContextOffset)); |
| 842 | __ cmp(cp, kScratchReg); |
| 843 | __ Assert(eq, kWrongFunctionContext); |
| 844 | } |
| 845 | __ LoadP(ip, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 846 | __ Call(ip); |
| 847 | RecordCallPosition(instr); |
| 848 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 849 | frame_access_state()->ClearSPDelta(); |
| 850 | break; |
| 851 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 852 | case kArchTailCallJSFunctionFromJSFunction: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 853 | case kArchTailCallJSFunction: { |
| 854 | Register func = i.InputRegister(0); |
| 855 | if (FLAG_debug_code) { |
| 856 | // Check the function's context matches the context argument. |
| 857 | __ LoadP(kScratchReg, |
| 858 | FieldMemOperand(func, JSFunction::kContextOffset)); |
| 859 | __ cmp(cp, kScratchReg); |
| 860 | __ Assert(eq, kWrongFunctionContext); |
| 861 | } |
| 862 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 863 | AssembleDeconstructActivationRecord(stack_param_delta); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 864 | if (opcode == kArchTailCallJSFunctionFromJSFunction) { |
| 865 | AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister, |
| 866 | i.TempRegister(0), i.TempRegister(1), |
| 867 | i.TempRegister(2)); |
| 868 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 869 | __ LoadP(ip, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 870 | __ Jump(ip); |
| 871 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 872 | frame_access_state()->ClearSPDelta(); |
| 873 | break; |
| 874 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 875 | case kArchPrepareCallCFunction: { |
| 876 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 877 | __ PrepareCallCFunction(num_parameters, kScratchReg); |
| 878 | // Frame alignment requires using FP-relative frame addressing. |
| 879 | frame_access_state()->SetFrameAccessToFP(); |
| 880 | break; |
| 881 | } |
| 882 | case kArchPrepareTailCall: |
| 883 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 884 | break; |
| 885 | case kArchCallCFunction: { |
| 886 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 887 | if (instr->InputAt(0)->IsImmediate()) { |
| 888 | ExternalReference ref = i.InputExternalReference(0); |
| 889 | __ CallCFunction(ref, num_parameters); |
| 890 | } else { |
| 891 | Register func = i.InputRegister(0); |
| 892 | __ CallCFunction(func, num_parameters); |
| 893 | } |
| 894 | frame_access_state()->SetFrameAccessToDefault(); |
| 895 | frame_access_state()->ClearSPDelta(); |
| 896 | break; |
| 897 | } |
| 898 | case kArchJmp: |
| 899 | AssembleArchJump(i.InputRpo(0)); |
| 900 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 901 | break; |
| 902 | case kArchLookupSwitch: |
| 903 | AssembleArchLookupSwitch(instr); |
| 904 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 905 | break; |
| 906 | case kArchTableSwitch: |
| 907 | AssembleArchTableSwitch(instr); |
| 908 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 909 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 910 | case kArchDebugBreak: |
| 911 | __ stop("kArchDebugBreak"); |
| 912 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 913 | case kArchNop: |
| 914 | case kArchThrowTerminator: |
| 915 | // don't emit code for nops. |
| 916 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 917 | break; |
| 918 | case kArchDeoptimize: { |
| 919 | int deopt_state_id = |
| 920 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 921 | Deoptimizer::BailoutType bailout_type = |
| 922 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 923 | CodeGenResult result = |
| 924 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 925 | if (result != kSuccess) return result; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 926 | break; |
| 927 | } |
| 928 | case kArchRet: |
| 929 | AssembleReturn(); |
| 930 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 931 | break; |
| 932 | case kArchStackPointer: |
| 933 | __ mr(i.OutputRegister(), sp); |
| 934 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 935 | break; |
| 936 | case kArchFramePointer: |
| 937 | __ mr(i.OutputRegister(), fp); |
| 938 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 939 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 940 | case kArchParentFramePointer: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 941 | if (frame_access_state()->has_frame()) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 942 | __ LoadP(i.OutputRegister(), MemOperand(fp, 0)); |
| 943 | } else { |
| 944 | __ mr(i.OutputRegister(), fp); |
| 945 | } |
| 946 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 947 | case kArchTruncateDoubleToI: |
| 948 | // TODO(mbrandy): move slow call to stub out of line. |
| 949 | __ TruncateDoubleToI(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 950 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 951 | break; |
| 952 | case kArchStoreWithWriteBarrier: { |
| 953 | RecordWriteMode mode = |
| 954 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 955 | Register object = i.InputRegister(0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 956 | Register value = i.InputRegister(2); |
| 957 | Register scratch0 = i.TempRegister(0); |
| 958 | Register scratch1 = i.TempRegister(1); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 959 | OutOfLineRecordWrite* ool; |
| 960 | |
| 961 | AddressingMode addressing_mode = |
| 962 | AddressingModeField::decode(instr->opcode()); |
| 963 | if (addressing_mode == kMode_MRI) { |
| 964 | int32_t offset = i.InputInt32(1); |
| 965 | ool = new (zone()) OutOfLineRecordWrite(this, object, offset, value, |
| 966 | scratch0, scratch1, mode); |
| 967 | __ StoreP(value, MemOperand(object, offset)); |
| 968 | } else { |
| 969 | DCHECK_EQ(kMode_MRR, addressing_mode); |
| 970 | Register offset(i.InputRegister(1)); |
| 971 | ool = new (zone()) OutOfLineRecordWrite(this, object, offset, value, |
| 972 | scratch0, scratch1, mode); |
| 973 | __ StorePX(value, MemOperand(object, offset)); |
| 974 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 975 | __ CheckPageFlag(object, scratch0, |
| 976 | MemoryChunk::kPointersFromHereAreInterestingMask, ne, |
| 977 | ool->entry()); |
| 978 | __ bind(ool->exit()); |
| 979 | break; |
| 980 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 981 | case kArchStackSlot: { |
| 982 | FrameOffset offset = |
| 983 | frame_access_state()->GetFrameOffset(i.InputInt32(0)); |
| 984 | __ addi(i.OutputRegister(), offset.from_stack_pointer() ? sp : fp, |
| 985 | Operand(offset.offset())); |
| 986 | break; |
| 987 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 988 | case kPPC_And: |
| 989 | if (HasRegisterInput(instr, 1)) { |
| 990 | __ and_(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 991 | i.OutputRCBit()); |
| 992 | } else { |
| 993 | __ andi(i.OutputRegister(), i.InputRegister(0), i.InputImmediate(1)); |
| 994 | } |
| 995 | break; |
| 996 | case kPPC_AndComplement: |
| 997 | __ andc(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 998 | i.OutputRCBit()); |
| 999 | break; |
| 1000 | case kPPC_Or: |
| 1001 | if (HasRegisterInput(instr, 1)) { |
| 1002 | __ orx(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1003 | i.OutputRCBit()); |
| 1004 | } else { |
| 1005 | __ ori(i.OutputRegister(), i.InputRegister(0), i.InputImmediate(1)); |
| 1006 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1007 | } |
| 1008 | break; |
| 1009 | case kPPC_OrComplement: |
| 1010 | __ orc(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1011 | i.OutputRCBit()); |
| 1012 | break; |
| 1013 | case kPPC_Xor: |
| 1014 | if (HasRegisterInput(instr, 1)) { |
| 1015 | __ xor_(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1016 | i.OutputRCBit()); |
| 1017 | } else { |
| 1018 | __ xori(i.OutputRegister(), i.InputRegister(0), i.InputImmediate(1)); |
| 1019 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1020 | } |
| 1021 | break; |
| 1022 | case kPPC_ShiftLeft32: |
| 1023 | ASSEMBLE_BINOP_RC(slw, slwi); |
| 1024 | break; |
| 1025 | #if V8_TARGET_ARCH_PPC64 |
| 1026 | case kPPC_ShiftLeft64: |
| 1027 | ASSEMBLE_BINOP_RC(sld, sldi); |
| 1028 | break; |
| 1029 | #endif |
| 1030 | case kPPC_ShiftRight32: |
| 1031 | ASSEMBLE_BINOP_RC(srw, srwi); |
| 1032 | break; |
| 1033 | #if V8_TARGET_ARCH_PPC64 |
| 1034 | case kPPC_ShiftRight64: |
| 1035 | ASSEMBLE_BINOP_RC(srd, srdi); |
| 1036 | break; |
| 1037 | #endif |
| 1038 | case kPPC_ShiftRightAlg32: |
| 1039 | ASSEMBLE_BINOP_INT_RC(sraw, srawi); |
| 1040 | break; |
| 1041 | #if V8_TARGET_ARCH_PPC64 |
| 1042 | case kPPC_ShiftRightAlg64: |
| 1043 | ASSEMBLE_BINOP_INT_RC(srad, sradi); |
| 1044 | break; |
| 1045 | #endif |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1046 | #if !V8_TARGET_ARCH_PPC64 |
| 1047 | case kPPC_AddPair: |
| 1048 | // i.InputRegister(0) ... left low word. |
| 1049 | // i.InputRegister(1) ... left high word. |
| 1050 | // i.InputRegister(2) ... right low word. |
| 1051 | // i.InputRegister(3) ... right high word. |
| 1052 | __ addc(i.OutputRegister(0), i.InputRegister(0), i.InputRegister(2)); |
| 1053 | __ adde(i.OutputRegister(1), i.InputRegister(1), i.InputRegister(3)); |
| 1054 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1055 | break; |
| 1056 | case kPPC_SubPair: |
| 1057 | // i.InputRegister(0) ... left low word. |
| 1058 | // i.InputRegister(1) ... left high word. |
| 1059 | // i.InputRegister(2) ... right low word. |
| 1060 | // i.InputRegister(3) ... right high word. |
| 1061 | __ subc(i.OutputRegister(0), i.InputRegister(0), i.InputRegister(2)); |
| 1062 | __ sube(i.OutputRegister(1), i.InputRegister(1), i.InputRegister(3)); |
| 1063 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1064 | break; |
| 1065 | case kPPC_MulPair: |
| 1066 | // i.InputRegister(0) ... left low word. |
| 1067 | // i.InputRegister(1) ... left high word. |
| 1068 | // i.InputRegister(2) ... right low word. |
| 1069 | // i.InputRegister(3) ... right high word. |
| 1070 | __ mullw(i.TempRegister(0), i.InputRegister(0), i.InputRegister(3)); |
| 1071 | __ mullw(i.TempRegister(1), i.InputRegister(2), i.InputRegister(1)); |
| 1072 | __ add(i.TempRegister(0), i.TempRegister(0), i.TempRegister(1)); |
| 1073 | __ mullw(i.OutputRegister(0), i.InputRegister(0), i.InputRegister(2)); |
| 1074 | __ mulhwu(i.OutputRegister(1), i.InputRegister(0), i.InputRegister(2)); |
| 1075 | __ add(i.OutputRegister(1), i.OutputRegister(1), i.TempRegister(0)); |
| 1076 | break; |
| 1077 | case kPPC_ShiftLeftPair: |
| 1078 | if (instr->InputAt(2)->IsImmediate()) { |
| 1079 | __ ShiftLeftPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1080 | i.InputRegister(0), i.InputRegister(1), |
| 1081 | i.InputInt32(2)); |
| 1082 | } else { |
| 1083 | __ ShiftLeftPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1084 | i.InputRegister(0), i.InputRegister(1), kScratchReg, |
| 1085 | i.InputRegister(2)); |
| 1086 | } |
| 1087 | break; |
| 1088 | case kPPC_ShiftRightPair: |
| 1089 | if (instr->InputAt(2)->IsImmediate()) { |
| 1090 | __ ShiftRightPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1091 | i.InputRegister(0), i.InputRegister(1), |
| 1092 | i.InputInt32(2)); |
| 1093 | } else { |
| 1094 | __ ShiftRightPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1095 | i.InputRegister(0), i.InputRegister(1), kScratchReg, |
| 1096 | i.InputRegister(2)); |
| 1097 | } |
| 1098 | break; |
| 1099 | case kPPC_ShiftRightAlgPair: |
| 1100 | if (instr->InputAt(2)->IsImmediate()) { |
| 1101 | __ ShiftRightAlgPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1102 | i.InputRegister(0), i.InputRegister(1), |
| 1103 | i.InputInt32(2)); |
| 1104 | } else { |
| 1105 | __ ShiftRightAlgPair(i.OutputRegister(0), i.OutputRegister(1), |
| 1106 | i.InputRegister(0), i.InputRegister(1), |
| 1107 | kScratchReg, i.InputRegister(2)); |
| 1108 | } |
| 1109 | break; |
| 1110 | #endif |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1111 | case kPPC_RotRight32: |
| 1112 | if (HasRegisterInput(instr, 1)) { |
| 1113 | __ subfic(kScratchReg, i.InputRegister(1), Operand(32)); |
| 1114 | __ rotlw(i.OutputRegister(), i.InputRegister(0), kScratchReg, |
| 1115 | i.OutputRCBit()); |
| 1116 | } else { |
| 1117 | int sh = i.InputInt32(1); |
| 1118 | __ rotrwi(i.OutputRegister(), i.InputRegister(0), sh, i.OutputRCBit()); |
| 1119 | } |
| 1120 | break; |
| 1121 | #if V8_TARGET_ARCH_PPC64 |
| 1122 | case kPPC_RotRight64: |
| 1123 | if (HasRegisterInput(instr, 1)) { |
| 1124 | __ subfic(kScratchReg, i.InputRegister(1), Operand(64)); |
| 1125 | __ rotld(i.OutputRegister(), i.InputRegister(0), kScratchReg, |
| 1126 | i.OutputRCBit()); |
| 1127 | } else { |
| 1128 | int sh = i.InputInt32(1); |
| 1129 | __ rotrdi(i.OutputRegister(), i.InputRegister(0), sh, i.OutputRCBit()); |
| 1130 | } |
| 1131 | break; |
| 1132 | #endif |
| 1133 | case kPPC_Not: |
| 1134 | __ notx(i.OutputRegister(), i.InputRegister(0), i.OutputRCBit()); |
| 1135 | break; |
| 1136 | case kPPC_RotLeftAndMask32: |
| 1137 | __ rlwinm(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1), |
| 1138 | 31 - i.InputInt32(2), 31 - i.InputInt32(3), i.OutputRCBit()); |
| 1139 | break; |
| 1140 | #if V8_TARGET_ARCH_PPC64 |
| 1141 | case kPPC_RotLeftAndClear64: |
| 1142 | __ rldic(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1), |
| 1143 | 63 - i.InputInt32(2), i.OutputRCBit()); |
| 1144 | break; |
| 1145 | case kPPC_RotLeftAndClearLeft64: |
| 1146 | __ rldicl(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1), |
| 1147 | 63 - i.InputInt32(2), i.OutputRCBit()); |
| 1148 | break; |
| 1149 | case kPPC_RotLeftAndClearRight64: |
| 1150 | __ rldicr(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1), |
| 1151 | 63 - i.InputInt32(2), i.OutputRCBit()); |
| 1152 | break; |
| 1153 | #endif |
| 1154 | case kPPC_Add: |
| 1155 | #if V8_TARGET_ARCH_PPC64 |
| 1156 | if (FlagsModeField::decode(instr->opcode()) != kFlags_none) { |
| 1157 | ASSEMBLE_ADD_WITH_OVERFLOW(); |
| 1158 | } else { |
| 1159 | #endif |
| 1160 | if (HasRegisterInput(instr, 1)) { |
| 1161 | __ add(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1162 | LeaveOE, i.OutputRCBit()); |
| 1163 | } else { |
| 1164 | __ addi(i.OutputRegister(), i.InputRegister(0), i.InputImmediate(1)); |
| 1165 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1166 | } |
| 1167 | #if V8_TARGET_ARCH_PPC64 |
| 1168 | } |
| 1169 | #endif |
| 1170 | break; |
| 1171 | case kPPC_AddWithOverflow32: |
| 1172 | ASSEMBLE_ADD_WITH_OVERFLOW32(); |
| 1173 | break; |
| 1174 | case kPPC_AddDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1175 | ASSEMBLE_FLOAT_BINOP_RC(fadd, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1176 | break; |
| 1177 | case kPPC_Sub: |
| 1178 | #if V8_TARGET_ARCH_PPC64 |
| 1179 | if (FlagsModeField::decode(instr->opcode()) != kFlags_none) { |
| 1180 | ASSEMBLE_SUB_WITH_OVERFLOW(); |
| 1181 | } else { |
| 1182 | #endif |
| 1183 | if (HasRegisterInput(instr, 1)) { |
| 1184 | __ sub(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1185 | LeaveOE, i.OutputRCBit()); |
| 1186 | } else { |
| 1187 | __ subi(i.OutputRegister(), i.InputRegister(0), i.InputImmediate(1)); |
| 1188 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1189 | } |
| 1190 | #if V8_TARGET_ARCH_PPC64 |
| 1191 | } |
| 1192 | #endif |
| 1193 | break; |
| 1194 | case kPPC_SubWithOverflow32: |
| 1195 | ASSEMBLE_SUB_WITH_OVERFLOW32(); |
| 1196 | break; |
| 1197 | case kPPC_SubDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1198 | ASSEMBLE_FLOAT_BINOP_RC(fsub, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1199 | break; |
| 1200 | case kPPC_Mul32: |
| 1201 | __ mullw(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1202 | LeaveOE, i.OutputRCBit()); |
| 1203 | break; |
| 1204 | #if V8_TARGET_ARCH_PPC64 |
| 1205 | case kPPC_Mul64: |
| 1206 | __ mulld(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1207 | LeaveOE, i.OutputRCBit()); |
| 1208 | break; |
| 1209 | #endif |
| 1210 | case kPPC_MulHigh32: |
| 1211 | __ mulhw(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1212 | i.OutputRCBit()); |
| 1213 | break; |
| 1214 | case kPPC_MulHighU32: |
| 1215 | __ mulhwu(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 1216 | i.OutputRCBit()); |
| 1217 | break; |
| 1218 | case kPPC_MulDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1219 | ASSEMBLE_FLOAT_BINOP_RC(fmul, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1220 | break; |
| 1221 | case kPPC_Div32: |
| 1222 | __ divw(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 1223 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1224 | break; |
| 1225 | #if V8_TARGET_ARCH_PPC64 |
| 1226 | case kPPC_Div64: |
| 1227 | __ divd(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 1228 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1229 | break; |
| 1230 | #endif |
| 1231 | case kPPC_DivU32: |
| 1232 | __ divwu(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 1233 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1234 | break; |
| 1235 | #if V8_TARGET_ARCH_PPC64 |
| 1236 | case kPPC_DivU64: |
| 1237 | __ divdu(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 1238 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1239 | break; |
| 1240 | #endif |
| 1241 | case kPPC_DivDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1242 | ASSEMBLE_FLOAT_BINOP_RC(fdiv, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1243 | break; |
| 1244 | case kPPC_Mod32: |
| 1245 | ASSEMBLE_MODULO(divw, mullw); |
| 1246 | break; |
| 1247 | #if V8_TARGET_ARCH_PPC64 |
| 1248 | case kPPC_Mod64: |
| 1249 | ASSEMBLE_MODULO(divd, mulld); |
| 1250 | break; |
| 1251 | #endif |
| 1252 | case kPPC_ModU32: |
| 1253 | ASSEMBLE_MODULO(divwu, mullw); |
| 1254 | break; |
| 1255 | #if V8_TARGET_ARCH_PPC64 |
| 1256 | case kPPC_ModU64: |
| 1257 | ASSEMBLE_MODULO(divdu, mulld); |
| 1258 | break; |
| 1259 | #endif |
| 1260 | case kPPC_ModDouble: |
| 1261 | // TODO(bmeurer): We should really get rid of this special instruction, |
| 1262 | // and generate a CallAddress instruction instead. |
| 1263 | ASSEMBLE_FLOAT_MODULO(); |
| 1264 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1265 | case kIeee754Float64Atan: |
| 1266 | ASSEMBLE_IEEE754_UNOP(atan); |
| 1267 | break; |
| 1268 | case kIeee754Float64Atan2: |
| 1269 | ASSEMBLE_IEEE754_BINOP(atan2); |
| 1270 | break; |
| 1271 | case kIeee754Float64Tan: |
| 1272 | ASSEMBLE_IEEE754_UNOP(tan); |
| 1273 | break; |
| 1274 | case kIeee754Float64Cbrt: |
| 1275 | ASSEMBLE_IEEE754_UNOP(cbrt); |
| 1276 | break; |
| 1277 | case kIeee754Float64Sin: |
| 1278 | ASSEMBLE_IEEE754_UNOP(sin); |
| 1279 | break; |
| 1280 | case kIeee754Float64Cos: |
| 1281 | ASSEMBLE_IEEE754_UNOP(cos); |
| 1282 | break; |
| 1283 | case kIeee754Float64Exp: |
| 1284 | ASSEMBLE_IEEE754_UNOP(exp); |
| 1285 | break; |
| 1286 | case kIeee754Float64Expm1: |
| 1287 | ASSEMBLE_IEEE754_UNOP(expm1); |
| 1288 | break; |
| 1289 | case kIeee754Float64Atanh: |
| 1290 | ASSEMBLE_IEEE754_UNOP(atanh); |
| 1291 | break; |
| 1292 | case kIeee754Float64Log: |
| 1293 | ASSEMBLE_IEEE754_UNOP(log); |
| 1294 | break; |
| 1295 | case kIeee754Float64Log1p: |
| 1296 | ASSEMBLE_IEEE754_UNOP(log1p); |
| 1297 | break; |
| 1298 | case kIeee754Float64Log2: |
| 1299 | ASSEMBLE_IEEE754_UNOP(log2); |
| 1300 | break; |
| 1301 | case kIeee754Float64Log10: |
| 1302 | ASSEMBLE_IEEE754_UNOP(log10); |
| 1303 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1304 | case kPPC_Neg: |
| 1305 | __ neg(i.OutputRegister(), i.InputRegister(0), LeaveOE, i.OutputRCBit()); |
| 1306 | break; |
| 1307 | case kPPC_MaxDouble: |
| 1308 | ASSEMBLE_FLOAT_MAX(kScratchDoubleReg); |
| 1309 | break; |
| 1310 | case kPPC_MinDouble: |
| 1311 | ASSEMBLE_FLOAT_MIN(kScratchDoubleReg); |
| 1312 | break; |
| 1313 | case kPPC_AbsDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1314 | ASSEMBLE_FLOAT_UNOP_RC(fabs, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1315 | break; |
| 1316 | case kPPC_SqrtDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1317 | ASSEMBLE_FLOAT_UNOP_RC(fsqrt, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1318 | break; |
| 1319 | case kPPC_FloorDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1320 | ASSEMBLE_FLOAT_UNOP_RC(frim, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1321 | break; |
| 1322 | case kPPC_CeilDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1323 | ASSEMBLE_FLOAT_UNOP_RC(frip, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1324 | break; |
| 1325 | case kPPC_TruncateDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1326 | ASSEMBLE_FLOAT_UNOP_RC(friz, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1327 | break; |
| 1328 | case kPPC_RoundDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1329 | ASSEMBLE_FLOAT_UNOP_RC(frin, MiscField::decode(instr->opcode())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1330 | break; |
| 1331 | case kPPC_NegDouble: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1332 | ASSEMBLE_FLOAT_UNOP_RC(fneg, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1333 | break; |
| 1334 | case kPPC_Cntlz32: |
| 1335 | __ cntlzw_(i.OutputRegister(), i.InputRegister(0)); |
| 1336 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1337 | break; |
| 1338 | #if V8_TARGET_ARCH_PPC64 |
| 1339 | case kPPC_Cntlz64: |
| 1340 | __ cntlzd_(i.OutputRegister(), i.InputRegister(0)); |
| 1341 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1342 | break; |
| 1343 | #endif |
| 1344 | case kPPC_Popcnt32: |
| 1345 | __ popcntw(i.OutputRegister(), i.InputRegister(0)); |
| 1346 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1347 | break; |
| 1348 | #if V8_TARGET_ARCH_PPC64 |
| 1349 | case kPPC_Popcnt64: |
| 1350 | __ popcntd(i.OutputRegister(), i.InputRegister(0)); |
| 1351 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1352 | break; |
| 1353 | #endif |
| 1354 | case kPPC_Cmp32: |
| 1355 | ASSEMBLE_COMPARE(cmpw, cmplw); |
| 1356 | break; |
| 1357 | #if V8_TARGET_ARCH_PPC64 |
| 1358 | case kPPC_Cmp64: |
| 1359 | ASSEMBLE_COMPARE(cmp, cmpl); |
| 1360 | break; |
| 1361 | #endif |
| 1362 | case kPPC_CmpDouble: |
| 1363 | ASSEMBLE_FLOAT_COMPARE(fcmpu); |
| 1364 | break; |
| 1365 | case kPPC_Tst32: |
| 1366 | if (HasRegisterInput(instr, 1)) { |
| 1367 | __ and_(r0, i.InputRegister(0), i.InputRegister(1), i.OutputRCBit()); |
| 1368 | } else { |
| 1369 | __ andi(r0, i.InputRegister(0), i.InputImmediate(1)); |
| 1370 | } |
| 1371 | #if V8_TARGET_ARCH_PPC64 |
| 1372 | __ extsw(r0, r0, i.OutputRCBit()); |
| 1373 | #endif |
| 1374 | DCHECK_EQ(SetRC, i.OutputRCBit()); |
| 1375 | break; |
| 1376 | #if V8_TARGET_ARCH_PPC64 |
| 1377 | case kPPC_Tst64: |
| 1378 | if (HasRegisterInput(instr, 1)) { |
| 1379 | __ and_(r0, i.InputRegister(0), i.InputRegister(1), i.OutputRCBit()); |
| 1380 | } else { |
| 1381 | __ andi(r0, i.InputRegister(0), i.InputImmediate(1)); |
| 1382 | } |
| 1383 | DCHECK_EQ(SetRC, i.OutputRCBit()); |
| 1384 | break; |
| 1385 | #endif |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1386 | case kPPC_Float64SilenceNaN: { |
| 1387 | DoubleRegister value = i.InputDoubleRegister(0); |
| 1388 | DoubleRegister result = i.OutputDoubleRegister(); |
| 1389 | __ CanonicalizeNaN(result, value); |
| 1390 | break; |
| 1391 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1392 | case kPPC_Push: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1393 | if (instr->InputAt(0)->IsFPRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1394 | __ stfdu(i.InputDoubleRegister(0), MemOperand(sp, -kDoubleSize)); |
| 1395 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1396 | } else { |
| 1397 | __ Push(i.InputRegister(0)); |
| 1398 | frame_access_state()->IncreaseSPDelta(1); |
| 1399 | } |
| 1400 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1401 | break; |
| 1402 | case kPPC_PushFrame: { |
| 1403 | int num_slots = i.InputInt32(1); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1404 | if (instr->InputAt(0)->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1405 | LocationOperand* op = LocationOperand::cast(instr->InputAt(0)); |
| 1406 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 1407 | __ StoreDoubleU(i.InputDoubleRegister(0), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1408 | MemOperand(sp, -num_slots * kPointerSize), r0); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1409 | } else { |
| 1410 | DCHECK(op->representation() == MachineRepresentation::kFloat32); |
| 1411 | __ StoreSingleU(i.InputDoubleRegister(0), |
| 1412 | MemOperand(sp, -num_slots * kPointerSize), r0); |
| 1413 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1414 | } else { |
| 1415 | __ StorePU(i.InputRegister(0), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1416 | MemOperand(sp, -num_slots * kPointerSize), r0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1417 | } |
| 1418 | break; |
| 1419 | } |
| 1420 | case kPPC_StoreToStackSlot: { |
| 1421 | int slot = i.InputInt32(1); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1422 | if (instr->InputAt(0)->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1423 | LocationOperand* op = LocationOperand::cast(instr->InputAt(0)); |
| 1424 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 1425 | __ StoreDouble(i.InputDoubleRegister(0), |
| 1426 | MemOperand(sp, slot * kPointerSize), r0); |
| 1427 | } else { |
| 1428 | DCHECK(op->representation() == MachineRepresentation::kFloat32); |
| 1429 | __ StoreSingle(i.InputDoubleRegister(0), |
| 1430 | MemOperand(sp, slot * kPointerSize), r0); |
| 1431 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1432 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1433 | __ StoreP(i.InputRegister(0), MemOperand(sp, slot * kPointerSize), r0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1434 | } |
| 1435 | break; |
| 1436 | } |
| 1437 | case kPPC_ExtendSignWord8: |
| 1438 | __ extsb(i.OutputRegister(), i.InputRegister(0)); |
| 1439 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1440 | break; |
| 1441 | case kPPC_ExtendSignWord16: |
| 1442 | __ extsh(i.OutputRegister(), i.InputRegister(0)); |
| 1443 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1444 | break; |
| 1445 | #if V8_TARGET_ARCH_PPC64 |
| 1446 | case kPPC_ExtendSignWord32: |
| 1447 | __ extsw(i.OutputRegister(), i.InputRegister(0)); |
| 1448 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1449 | break; |
| 1450 | case kPPC_Uint32ToUint64: |
| 1451 | // Zero extend |
| 1452 | __ clrldi(i.OutputRegister(), i.InputRegister(0), Operand(32)); |
| 1453 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1454 | break; |
| 1455 | case kPPC_Int64ToInt32: |
| 1456 | __ extsw(i.OutputRegister(), i.InputRegister(0)); |
| 1457 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1458 | break; |
| 1459 | case kPPC_Int64ToFloat32: |
| 1460 | __ ConvertInt64ToFloat(i.InputRegister(0), i.OutputDoubleRegister()); |
| 1461 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1462 | break; |
| 1463 | case kPPC_Int64ToDouble: |
| 1464 | __ ConvertInt64ToDouble(i.InputRegister(0), i.OutputDoubleRegister()); |
| 1465 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1466 | break; |
| 1467 | case kPPC_Uint64ToFloat32: |
| 1468 | __ ConvertUnsignedInt64ToFloat(i.InputRegister(0), |
| 1469 | i.OutputDoubleRegister()); |
| 1470 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1471 | break; |
| 1472 | case kPPC_Uint64ToDouble: |
| 1473 | __ ConvertUnsignedInt64ToDouble(i.InputRegister(0), |
| 1474 | i.OutputDoubleRegister()); |
| 1475 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1476 | break; |
| 1477 | #endif |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1478 | case kPPC_Int32ToFloat32: |
| 1479 | __ ConvertIntToFloat(i.InputRegister(0), i.OutputDoubleRegister()); |
| 1480 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1481 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1482 | case kPPC_Int32ToDouble: |
| 1483 | __ ConvertIntToDouble(i.InputRegister(0), i.OutputDoubleRegister()); |
| 1484 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1485 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1486 | case kPPC_Uint32ToFloat32: |
| 1487 | __ ConvertUnsignedIntToFloat(i.InputRegister(0), |
| 1488 | i.OutputDoubleRegister()); |
| 1489 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1490 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1491 | case kPPC_Uint32ToDouble: |
| 1492 | __ ConvertUnsignedIntToDouble(i.InputRegister(0), |
| 1493 | i.OutputDoubleRegister()); |
| 1494 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1495 | break; |
| 1496 | case kPPC_DoubleToInt32: |
| 1497 | case kPPC_DoubleToUint32: |
| 1498 | case kPPC_DoubleToInt64: { |
| 1499 | #if V8_TARGET_ARCH_PPC64 |
| 1500 | bool check_conversion = |
| 1501 | (opcode == kPPC_DoubleToInt64 && i.OutputCount() > 1); |
| 1502 | if (check_conversion) { |
| 1503 | __ mtfsb0(VXCVI); // clear FPSCR:VXCVI bit |
| 1504 | } |
| 1505 | #endif |
| 1506 | __ ConvertDoubleToInt64(i.InputDoubleRegister(0), |
| 1507 | #if !V8_TARGET_ARCH_PPC64 |
| 1508 | kScratchReg, |
| 1509 | #endif |
| 1510 | i.OutputRegister(0), kScratchDoubleReg); |
| 1511 | #if V8_TARGET_ARCH_PPC64 |
| 1512 | if (check_conversion) { |
| 1513 | // Set 2nd output to zero if conversion fails. |
| 1514 | CRegister cr = cr7; |
| 1515 | int crbit = v8::internal::Assembler::encode_crbit( |
| 1516 | cr, static_cast<CRBit>(VXCVI % CRWIDTH)); |
| 1517 | __ mcrfs(cr, VXCVI); // extract FPSCR field containing VXCVI into cr7 |
| 1518 | if (CpuFeatures::IsSupported(ISELECT)) { |
| 1519 | __ li(i.OutputRegister(1), Operand(1)); |
| 1520 | __ isel(i.OutputRegister(1), r0, i.OutputRegister(1), crbit); |
| 1521 | } else { |
| 1522 | __ li(i.OutputRegister(1), Operand::Zero()); |
| 1523 | __ bc(v8::internal::Assembler::kInstrSize * 2, BT, crbit); |
| 1524 | __ li(i.OutputRegister(1), Operand(1)); |
| 1525 | } |
| 1526 | } |
| 1527 | #endif |
| 1528 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1529 | break; |
| 1530 | } |
| 1531 | #if V8_TARGET_ARCH_PPC64 |
| 1532 | case kPPC_DoubleToUint64: { |
| 1533 | bool check_conversion = (i.OutputCount() > 1); |
| 1534 | if (check_conversion) { |
| 1535 | __ mtfsb0(VXCVI); // clear FPSCR:VXCVI bit |
| 1536 | } |
| 1537 | __ ConvertDoubleToUnsignedInt64(i.InputDoubleRegister(0), |
| 1538 | i.OutputRegister(0), kScratchDoubleReg); |
| 1539 | if (check_conversion) { |
| 1540 | // Set 2nd output to zero if conversion fails. |
| 1541 | CRegister cr = cr7; |
| 1542 | int crbit = v8::internal::Assembler::encode_crbit( |
| 1543 | cr, static_cast<CRBit>(VXCVI % CRWIDTH)); |
| 1544 | __ mcrfs(cr, VXCVI); // extract FPSCR field containing VXCVI into cr7 |
| 1545 | if (CpuFeatures::IsSupported(ISELECT)) { |
| 1546 | __ li(i.OutputRegister(1), Operand(1)); |
| 1547 | __ isel(i.OutputRegister(1), r0, i.OutputRegister(1), crbit); |
| 1548 | } else { |
| 1549 | __ li(i.OutputRegister(1), Operand::Zero()); |
| 1550 | __ bc(v8::internal::Assembler::kInstrSize * 2, BT, crbit); |
| 1551 | __ li(i.OutputRegister(1), Operand(1)); |
| 1552 | } |
| 1553 | } |
| 1554 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1555 | break; |
| 1556 | } |
| 1557 | #endif |
| 1558 | case kPPC_DoubleToFloat32: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1559 | ASSEMBLE_FLOAT_UNOP_RC(frsp, 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1560 | break; |
| 1561 | case kPPC_Float32ToDouble: |
| 1562 | // Nothing to do. |
| 1563 | __ Move(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
| 1564 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1565 | break; |
| 1566 | case kPPC_DoubleExtractLowWord32: |
| 1567 | __ MovDoubleLowToInt(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1568 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1569 | break; |
| 1570 | case kPPC_DoubleExtractHighWord32: |
| 1571 | __ MovDoubleHighToInt(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1572 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1573 | break; |
| 1574 | case kPPC_DoubleInsertLowWord32: |
| 1575 | __ InsertDoubleLow(i.OutputDoubleRegister(), i.InputRegister(1), r0); |
| 1576 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1577 | break; |
| 1578 | case kPPC_DoubleInsertHighWord32: |
| 1579 | __ InsertDoubleHigh(i.OutputDoubleRegister(), i.InputRegister(1), r0); |
| 1580 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1581 | break; |
| 1582 | case kPPC_DoubleConstruct: |
| 1583 | #if V8_TARGET_ARCH_PPC64 |
| 1584 | __ MovInt64ComponentsToDouble(i.OutputDoubleRegister(), |
| 1585 | i.InputRegister(0), i.InputRegister(1), r0); |
| 1586 | #else |
| 1587 | __ MovInt64ToDouble(i.OutputDoubleRegister(), i.InputRegister(0), |
| 1588 | i.InputRegister(1)); |
| 1589 | #endif |
| 1590 | DCHECK_EQ(LeaveRC, i.OutputRCBit()); |
| 1591 | break; |
| 1592 | case kPPC_BitcastFloat32ToInt32: |
| 1593 | __ MovFloatToInt(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1594 | break; |
| 1595 | case kPPC_BitcastInt32ToFloat32: |
| 1596 | __ MovIntToFloat(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1597 | break; |
| 1598 | #if V8_TARGET_ARCH_PPC64 |
| 1599 | case kPPC_BitcastDoubleToInt64: |
| 1600 | __ MovDoubleToInt64(i.OutputRegister(), i.InputDoubleRegister(0)); |
| 1601 | break; |
| 1602 | case kPPC_BitcastInt64ToDouble: |
| 1603 | __ MovInt64ToDouble(i.OutputDoubleRegister(), i.InputRegister(0)); |
| 1604 | break; |
| 1605 | #endif |
| 1606 | case kPPC_LoadWordU8: |
| 1607 | ASSEMBLE_LOAD_INTEGER(lbz, lbzx); |
| 1608 | break; |
| 1609 | case kPPC_LoadWordS8: |
| 1610 | ASSEMBLE_LOAD_INTEGER(lbz, lbzx); |
| 1611 | __ extsb(i.OutputRegister(), i.OutputRegister()); |
| 1612 | break; |
| 1613 | case kPPC_LoadWordU16: |
| 1614 | ASSEMBLE_LOAD_INTEGER(lhz, lhzx); |
| 1615 | break; |
| 1616 | case kPPC_LoadWordS16: |
| 1617 | ASSEMBLE_LOAD_INTEGER(lha, lhax); |
| 1618 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1619 | case kPPC_LoadWordU32: |
| 1620 | ASSEMBLE_LOAD_INTEGER(lwz, lwzx); |
| 1621 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1622 | case kPPC_LoadWordS32: |
| 1623 | ASSEMBLE_LOAD_INTEGER(lwa, lwax); |
| 1624 | break; |
| 1625 | #if V8_TARGET_ARCH_PPC64 |
| 1626 | case kPPC_LoadWord64: |
| 1627 | ASSEMBLE_LOAD_INTEGER(ld, ldx); |
| 1628 | break; |
| 1629 | #endif |
| 1630 | case kPPC_LoadFloat32: |
| 1631 | ASSEMBLE_LOAD_FLOAT(lfs, lfsx); |
| 1632 | break; |
| 1633 | case kPPC_LoadDouble: |
| 1634 | ASSEMBLE_LOAD_FLOAT(lfd, lfdx); |
| 1635 | break; |
| 1636 | case kPPC_StoreWord8: |
| 1637 | ASSEMBLE_STORE_INTEGER(stb, stbx); |
| 1638 | break; |
| 1639 | case kPPC_StoreWord16: |
| 1640 | ASSEMBLE_STORE_INTEGER(sth, sthx); |
| 1641 | break; |
| 1642 | case kPPC_StoreWord32: |
| 1643 | ASSEMBLE_STORE_INTEGER(stw, stwx); |
| 1644 | break; |
| 1645 | #if V8_TARGET_ARCH_PPC64 |
| 1646 | case kPPC_StoreWord64: |
| 1647 | ASSEMBLE_STORE_INTEGER(std, stdx); |
| 1648 | break; |
| 1649 | #endif |
| 1650 | case kPPC_StoreFloat32: |
| 1651 | ASSEMBLE_STORE_FLOAT32(); |
| 1652 | break; |
| 1653 | case kPPC_StoreDouble: |
| 1654 | ASSEMBLE_STORE_DOUBLE(); |
| 1655 | break; |
| 1656 | case kCheckedLoadInt8: |
| 1657 | ASSEMBLE_CHECKED_LOAD_INTEGER(lbz, lbzx); |
| 1658 | __ extsb(i.OutputRegister(), i.OutputRegister()); |
| 1659 | break; |
| 1660 | case kCheckedLoadUint8: |
| 1661 | ASSEMBLE_CHECKED_LOAD_INTEGER(lbz, lbzx); |
| 1662 | break; |
| 1663 | case kCheckedLoadInt16: |
| 1664 | ASSEMBLE_CHECKED_LOAD_INTEGER(lha, lhax); |
| 1665 | break; |
| 1666 | case kCheckedLoadUint16: |
| 1667 | ASSEMBLE_CHECKED_LOAD_INTEGER(lhz, lhzx); |
| 1668 | break; |
| 1669 | case kCheckedLoadWord32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1670 | ASSEMBLE_CHECKED_LOAD_INTEGER(lwz, lwzx); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1671 | break; |
| 1672 | case kCheckedLoadWord64: |
| 1673 | #if V8_TARGET_ARCH_PPC64 |
| 1674 | ASSEMBLE_CHECKED_LOAD_INTEGER(ld, ldx); |
| 1675 | #else |
| 1676 | UNREACHABLE(); |
| 1677 | #endif |
| 1678 | break; |
| 1679 | case kCheckedLoadFloat32: |
| 1680 | ASSEMBLE_CHECKED_LOAD_FLOAT(lfs, lfsx, 32); |
| 1681 | break; |
| 1682 | case kCheckedLoadFloat64: |
| 1683 | ASSEMBLE_CHECKED_LOAD_FLOAT(lfd, lfdx, 64); |
| 1684 | break; |
| 1685 | case kCheckedStoreWord8: |
| 1686 | ASSEMBLE_CHECKED_STORE_INTEGER(stb, stbx); |
| 1687 | break; |
| 1688 | case kCheckedStoreWord16: |
| 1689 | ASSEMBLE_CHECKED_STORE_INTEGER(sth, sthx); |
| 1690 | break; |
| 1691 | case kCheckedStoreWord32: |
| 1692 | ASSEMBLE_CHECKED_STORE_INTEGER(stw, stwx); |
| 1693 | break; |
| 1694 | case kCheckedStoreWord64: |
| 1695 | #if V8_TARGET_ARCH_PPC64 |
| 1696 | ASSEMBLE_CHECKED_STORE_INTEGER(std, stdx); |
| 1697 | #else |
| 1698 | UNREACHABLE(); |
| 1699 | #endif |
| 1700 | break; |
| 1701 | case kCheckedStoreFloat32: |
| 1702 | ASSEMBLE_CHECKED_STORE_FLOAT32(); |
| 1703 | break; |
| 1704 | case kCheckedStoreFloat64: |
| 1705 | ASSEMBLE_CHECKED_STORE_DOUBLE(); |
| 1706 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1707 | |
| 1708 | case kAtomicLoadInt8: |
| 1709 | ASSEMBLE_ATOMIC_LOAD_INTEGER(lbz, lbzx); |
| 1710 | __ extsb(i.OutputRegister(), i.OutputRegister()); |
| 1711 | break; |
| 1712 | case kAtomicLoadUint8: |
| 1713 | ASSEMBLE_ATOMIC_LOAD_INTEGER(lbz, lbzx); |
| 1714 | break; |
| 1715 | case kAtomicLoadInt16: |
| 1716 | ASSEMBLE_ATOMIC_LOAD_INTEGER(lha, lhax); |
| 1717 | break; |
| 1718 | case kAtomicLoadUint16: |
| 1719 | ASSEMBLE_ATOMIC_LOAD_INTEGER(lhz, lhzx); |
| 1720 | break; |
| 1721 | case kAtomicLoadWord32: |
| 1722 | ASSEMBLE_ATOMIC_LOAD_INTEGER(lwz, lwzx); |
| 1723 | break; |
| 1724 | |
| 1725 | case kAtomicStoreWord8: |
| 1726 | ASSEMBLE_ATOMIC_STORE_INTEGER(stb, stbx); |
| 1727 | break; |
| 1728 | case kAtomicStoreWord16: |
| 1729 | ASSEMBLE_ATOMIC_STORE_INTEGER(sth, sthx); |
| 1730 | break; |
| 1731 | case kAtomicStoreWord32: |
| 1732 | ASSEMBLE_ATOMIC_STORE_INTEGER(stw, stwx); |
| 1733 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1734 | default: |
| 1735 | UNREACHABLE(); |
| 1736 | break; |
| 1737 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1738 | return kSuccess; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1739 | } // NOLINT(readability/fn_size) |
| 1740 | |
| 1741 | |
| 1742 | // Assembles branches after an instruction. |
| 1743 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
| 1744 | PPCOperandConverter i(this, instr); |
| 1745 | Label* tlabel = branch->true_label; |
| 1746 | Label* flabel = branch->false_label; |
| 1747 | ArchOpcode op = instr->arch_opcode(); |
| 1748 | FlagsCondition condition = branch->condition; |
| 1749 | CRegister cr = cr0; |
| 1750 | |
| 1751 | Condition cond = FlagsConditionToCondition(condition, op); |
| 1752 | if (op == kPPC_CmpDouble) { |
| 1753 | // check for unordered if necessary |
| 1754 | if (cond == le) { |
| 1755 | __ bunordered(flabel, cr); |
| 1756 | // Unnecessary for eq/lt since only FU bit will be set. |
| 1757 | } else if (cond == gt) { |
| 1758 | __ bunordered(tlabel, cr); |
| 1759 | // Unnecessary for ne/ge since only FU bit will be set. |
| 1760 | } |
| 1761 | } |
| 1762 | __ b(cond, tlabel, cr); |
| 1763 | if (!branch->fallthru) __ b(flabel); // no fallthru to flabel. |
| 1764 | } |
| 1765 | |
| 1766 | |
| 1767 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
| 1768 | if (!IsNextInAssemblyOrder(target)) __ b(GetLabel(target)); |
| 1769 | } |
| 1770 | |
| 1771 | |
| 1772 | // Assembles boolean materializations after an instruction. |
| 1773 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1774 | FlagsCondition condition) { |
| 1775 | PPCOperandConverter i(this, instr); |
| 1776 | Label done; |
| 1777 | ArchOpcode op = instr->arch_opcode(); |
| 1778 | CRegister cr = cr0; |
| 1779 | int reg_value = -1; |
| 1780 | |
| 1781 | // Materialize a full 32-bit 1 or 0 value. The result register is always the |
| 1782 | // last output of the instruction. |
| 1783 | DCHECK_NE(0u, instr->OutputCount()); |
| 1784 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
| 1785 | |
| 1786 | Condition cond = FlagsConditionToCondition(condition, op); |
| 1787 | if (op == kPPC_CmpDouble) { |
| 1788 | // check for unordered if necessary |
| 1789 | if (cond == le) { |
| 1790 | reg_value = 0; |
| 1791 | __ li(reg, Operand::Zero()); |
| 1792 | __ bunordered(&done, cr); |
| 1793 | } else if (cond == gt) { |
| 1794 | reg_value = 1; |
| 1795 | __ li(reg, Operand(1)); |
| 1796 | __ bunordered(&done, cr); |
| 1797 | } |
| 1798 | // Unnecessary for eq/lt & ne/ge since only FU bit will be set. |
| 1799 | } |
| 1800 | |
| 1801 | if (CpuFeatures::IsSupported(ISELECT)) { |
| 1802 | switch (cond) { |
| 1803 | case eq: |
| 1804 | case lt: |
| 1805 | case gt: |
| 1806 | if (reg_value != 1) __ li(reg, Operand(1)); |
| 1807 | __ li(kScratchReg, Operand::Zero()); |
| 1808 | __ isel(cond, reg, reg, kScratchReg, cr); |
| 1809 | break; |
| 1810 | case ne: |
| 1811 | case ge: |
| 1812 | case le: |
| 1813 | if (reg_value != 1) __ li(reg, Operand(1)); |
| 1814 | // r0 implies logical zero in this form |
| 1815 | __ isel(NegateCondition(cond), reg, r0, reg, cr); |
| 1816 | break; |
| 1817 | default: |
| 1818 | UNREACHABLE(); |
| 1819 | break; |
| 1820 | } |
| 1821 | } else { |
| 1822 | if (reg_value != 0) __ li(reg, Operand::Zero()); |
| 1823 | __ b(NegateCondition(cond), &done, cr); |
| 1824 | __ li(reg, Operand(1)); |
| 1825 | } |
| 1826 | __ bind(&done); |
| 1827 | } |
| 1828 | |
| 1829 | |
| 1830 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1831 | PPCOperandConverter i(this, instr); |
| 1832 | Register input = i.InputRegister(0); |
| 1833 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1834 | __ Cmpwi(input, Operand(i.InputInt32(index + 0)), r0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1835 | __ beq(GetLabel(i.InputRpo(index + 1))); |
| 1836 | } |
| 1837 | AssembleArchJump(i.InputRpo(1)); |
| 1838 | } |
| 1839 | |
| 1840 | |
| 1841 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1842 | PPCOperandConverter i(this, instr); |
| 1843 | Register input = i.InputRegister(0); |
| 1844 | int32_t const case_count = static_cast<int32_t>(instr->InputCount() - 2); |
| 1845 | Label** cases = zone()->NewArray<Label*>(case_count); |
| 1846 | for (int32_t index = 0; index < case_count; ++index) { |
| 1847 | cases[index] = GetLabel(i.InputRpo(index + 2)); |
| 1848 | } |
| 1849 | Label* const table = AddJumpTable(cases, case_count); |
| 1850 | __ Cmpli(input, Operand(case_count), r0); |
| 1851 | __ bge(GetLabel(i.InputRpo(1))); |
| 1852 | __ mov_label_addr(kScratchReg, table); |
| 1853 | __ ShiftLeftImm(r0, input, Operand(kPointerSizeLog2)); |
| 1854 | __ LoadPX(kScratchReg, MemOperand(kScratchReg, r0)); |
| 1855 | __ Jump(kScratchReg); |
| 1856 | } |
| 1857 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1858 | CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1859 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
| 1860 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
| 1861 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1862 | // TODO(turbofan): We should be able to generate better code by sharing the |
| 1863 | // actual final call site and just bl'ing to it here, similar to what we do |
| 1864 | // in the lithium backend. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1865 | if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1866 | __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1867 | return kSuccess; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1868 | } |
| 1869 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1870 | void CodeGenerator::FinishFrame(Frame* frame) { |
| 1871 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1872 | const RegList double_saves = descriptor->CalleeSavedFPRegisters(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1873 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1874 | // Save callee-saved Double registers. |
| 1875 | if (double_saves != 0) { |
| 1876 | frame->AlignSavedCalleeRegisterSlots(); |
| 1877 | DCHECK(kNumCalleeSavedDoubles == |
| 1878 | base::bits::CountPopulation32(double_saves)); |
| 1879 | frame->AllocateSavedCalleeRegisterSlots(kNumCalleeSavedDoubles * |
| 1880 | (kDoubleSize / kPointerSize)); |
| 1881 | } |
| 1882 | // Save callee-saved registers. |
| 1883 | const RegList saves = |
| 1884 | FLAG_enable_embedded_constant_pool |
| 1885 | ? descriptor->CalleeSavedRegisters() & ~kConstantPoolRegister.bit() |
| 1886 | : descriptor->CalleeSavedRegisters(); |
| 1887 | if (saves != 0) { |
| 1888 | // register save area does not include the fp or constant pool pointer. |
| 1889 | const int num_saves = |
| 1890 | kNumCalleeSaved - 1 - (FLAG_enable_embedded_constant_pool ? 1 : 0); |
| 1891 | DCHECK(num_saves == base::bits::CountPopulation32(saves)); |
| 1892 | frame->AllocateSavedCalleeRegisterSlots(num_saves); |
| 1893 | } |
| 1894 | } |
| 1895 | |
| 1896 | void CodeGenerator::AssembleConstructFrame() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1897 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1898 | if (frame_access_state()->has_frame()) { |
| 1899 | if (descriptor->IsCFunctionCall()) { |
| 1900 | __ function_descriptor(); |
| 1901 | __ mflr(r0); |
| 1902 | if (FLAG_enable_embedded_constant_pool) { |
| 1903 | __ Push(r0, fp, kConstantPoolRegister); |
| 1904 | // Adjust FP to point to saved FP. |
| 1905 | __ subi(fp, sp, Operand(StandardFrameConstants::kConstantPoolOffset)); |
| 1906 | } else { |
| 1907 | __ Push(r0, fp); |
| 1908 | __ mr(fp, sp); |
| 1909 | } |
| 1910 | } else if (descriptor->IsJSFunctionCall()) { |
| 1911 | __ Prologue(this->info()->GeneratePreagedPrologue(), ip); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1912 | } else { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1913 | StackFrame::Type type = info()->GetOutputStackFrameType(); |
| 1914 | // TODO(mbrandy): Detect cases where ip is the entrypoint (for |
| 1915 | // efficient intialization of the constant pool pointer register). |
| 1916 | __ StubPrologue(type); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1917 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1918 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1919 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1920 | int shrink_slots = frame()->GetSpillSlotCount(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1921 | if (info()->is_osr()) { |
| 1922 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1923 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1924 | |
| 1925 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1926 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1927 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1928 | // remaining stack slots. |
| 1929 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1930 | osr_pc_offset_ = __ pc_offset(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1931 | shrink_slots -= OsrHelper(info()).UnoptimizedFrameSlots(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1932 | } |
| 1933 | |
| 1934 | const RegList double_saves = descriptor->CalleeSavedFPRegisters(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1935 | if (shrink_slots > 0) { |
| 1936 | __ Add(sp, sp, -shrink_slots * kPointerSize, r0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1937 | } |
| 1938 | |
| 1939 | // Save callee-saved Double registers. |
| 1940 | if (double_saves != 0) { |
| 1941 | __ MultiPushDoubles(double_saves); |
| 1942 | DCHECK(kNumCalleeSavedDoubles == |
| 1943 | base::bits::CountPopulation32(double_saves)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1944 | } |
| 1945 | |
| 1946 | // Save callee-saved registers. |
| 1947 | const RegList saves = |
| 1948 | FLAG_enable_embedded_constant_pool |
| 1949 | ? descriptor->CalleeSavedRegisters() & ~kConstantPoolRegister.bit() |
| 1950 | : descriptor->CalleeSavedRegisters(); |
| 1951 | if (saves != 0) { |
| 1952 | __ MultiPush(saves); |
| 1953 | // register save area does not include the fp or constant pool pointer. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1954 | } |
| 1955 | } |
| 1956 | |
| 1957 | |
| 1958 | void CodeGenerator::AssembleReturn() { |
| 1959 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1960 | int pop_count = static_cast<int>(descriptor->StackParameterCount()); |
| 1961 | |
| 1962 | // Restore registers. |
| 1963 | const RegList saves = |
| 1964 | FLAG_enable_embedded_constant_pool |
| 1965 | ? descriptor->CalleeSavedRegisters() & ~kConstantPoolRegister.bit() |
| 1966 | : descriptor->CalleeSavedRegisters(); |
| 1967 | if (saves != 0) { |
| 1968 | __ MultiPop(saves); |
| 1969 | } |
| 1970 | |
| 1971 | // Restore double registers. |
| 1972 | const RegList double_saves = descriptor->CalleeSavedFPRegisters(); |
| 1973 | if (double_saves != 0) { |
| 1974 | __ MultiPopDoubles(double_saves); |
| 1975 | } |
| 1976 | |
| 1977 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1978 | AssembleDeconstructFrame(); |
| 1979 | } else if (frame_access_state()->has_frame()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1980 | // Canonicalize JSFunction return sites for now. |
| 1981 | if (return_label_.is_bound()) { |
| 1982 | __ b(&return_label_); |
| 1983 | return; |
| 1984 | } else { |
| 1985 | __ bind(&return_label_); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1986 | AssembleDeconstructFrame(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1987 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1988 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1989 | __ Ret(pop_count); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1990 | } |
| 1991 | |
| 1992 | |
| 1993 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1994 | InstructionOperand* destination) { |
| 1995 | PPCOperandConverter g(this, nullptr); |
| 1996 | // Dispatch on the source and destination operand kinds. Not all |
| 1997 | // combinations are possible. |
| 1998 | if (source->IsRegister()) { |
| 1999 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 2000 | Register src = g.ToRegister(source); |
| 2001 | if (destination->IsRegister()) { |
| 2002 | __ Move(g.ToRegister(destination), src); |
| 2003 | } else { |
| 2004 | __ StoreP(src, g.ToMemOperand(destination), r0); |
| 2005 | } |
| 2006 | } else if (source->IsStackSlot()) { |
| 2007 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 2008 | MemOperand src = g.ToMemOperand(source); |
| 2009 | if (destination->IsRegister()) { |
| 2010 | __ LoadP(g.ToRegister(destination), src, r0); |
| 2011 | } else { |
| 2012 | Register temp = kScratchReg; |
| 2013 | __ LoadP(temp, src, r0); |
| 2014 | __ StoreP(temp, g.ToMemOperand(destination), r0); |
| 2015 | } |
| 2016 | } else if (source->IsConstant()) { |
| 2017 | Constant src = g.ToConstant(source); |
| 2018 | if (destination->IsRegister() || destination->IsStackSlot()) { |
| 2019 | Register dst = |
| 2020 | destination->IsRegister() ? g.ToRegister(destination) : kScratchReg; |
| 2021 | switch (src.type()) { |
| 2022 | case Constant::kInt32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2023 | #if V8_TARGET_ARCH_PPC64 |
| 2024 | if (src.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE) { |
| 2025 | #else |
| 2026 | if (src.rmode() == RelocInfo::WASM_MEMORY_REFERENCE || |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2027 | src.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE || |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2028 | src.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE) { |
| 2029 | #endif |
| 2030 | __ mov(dst, Operand(src.ToInt32(), src.rmode())); |
| 2031 | } else { |
| 2032 | __ mov(dst, Operand(src.ToInt32())); |
| 2033 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2034 | break; |
| 2035 | case Constant::kInt64: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2036 | #if V8_TARGET_ARCH_PPC64 |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2037 | if (src.rmode() == RelocInfo::WASM_MEMORY_REFERENCE || |
| 2038 | src.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2039 | __ mov(dst, Operand(src.ToInt64(), src.rmode())); |
| 2040 | } else { |
| 2041 | DCHECK(src.rmode() != RelocInfo::WASM_MEMORY_SIZE_REFERENCE); |
| 2042 | #endif |
| 2043 | __ mov(dst, Operand(src.ToInt64())); |
| 2044 | #if V8_TARGET_ARCH_PPC64 |
| 2045 | } |
| 2046 | #endif |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2047 | break; |
| 2048 | case Constant::kFloat32: |
| 2049 | __ Move(dst, |
| 2050 | isolate()->factory()->NewNumber(src.ToFloat32(), TENURED)); |
| 2051 | break; |
| 2052 | case Constant::kFloat64: |
| 2053 | __ Move(dst, |
| 2054 | isolate()->factory()->NewNumber(src.ToFloat64(), TENURED)); |
| 2055 | break; |
| 2056 | case Constant::kExternalReference: |
| 2057 | __ mov(dst, Operand(src.ToExternalReference())); |
| 2058 | break; |
| 2059 | case Constant::kHeapObject: { |
| 2060 | Handle<HeapObject> src_object = src.ToHeapObject(); |
| 2061 | Heap::RootListIndex index; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2062 | int slot; |
| 2063 | if (IsMaterializableFromFrame(src_object, &slot)) { |
| 2064 | __ LoadP(dst, g.SlotToMemOperand(slot)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2065 | } else if (IsMaterializableFromRoot(src_object, &index)) { |
| 2066 | __ LoadRoot(dst, index); |
| 2067 | } else { |
| 2068 | __ Move(dst, src_object); |
| 2069 | } |
| 2070 | break; |
| 2071 | } |
| 2072 | case Constant::kRpoNumber: |
| 2073 | UNREACHABLE(); // TODO(dcarney): loading RPO constants on PPC. |
| 2074 | break; |
| 2075 | } |
| 2076 | if (destination->IsStackSlot()) { |
| 2077 | __ StoreP(dst, g.ToMemOperand(destination), r0); |
| 2078 | } |
| 2079 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2080 | DoubleRegister dst = destination->IsFPRegister() |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2081 | ? g.ToDoubleRegister(destination) |
| 2082 | : kScratchDoubleReg; |
| 2083 | double value = (src.type() == Constant::kFloat32) ? src.ToFloat32() |
| 2084 | : src.ToFloat64(); |
| 2085 | __ LoadDoubleLiteral(dst, value, kScratchReg); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2086 | if (destination->IsFPStackSlot()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2087 | __ StoreDouble(dst, g.ToMemOperand(destination), r0); |
| 2088 | } |
| 2089 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2090 | } else if (source->IsFPRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2091 | DoubleRegister src = g.ToDoubleRegister(source); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2092 | if (destination->IsFPRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2093 | DoubleRegister dst = g.ToDoubleRegister(destination); |
| 2094 | __ Move(dst, src); |
| 2095 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2096 | DCHECK(destination->IsFPStackSlot()); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2097 | LocationOperand* op = LocationOperand::cast(source); |
| 2098 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 2099 | __ StoreDouble(src, g.ToMemOperand(destination), r0); |
| 2100 | } else { |
| 2101 | __ StoreSingle(src, g.ToMemOperand(destination), r0); |
| 2102 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2103 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2104 | } else if (source->IsFPStackSlot()) { |
| 2105 | DCHECK(destination->IsFPRegister() || destination->IsFPStackSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2106 | MemOperand src = g.ToMemOperand(source); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2107 | if (destination->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2108 | LocationOperand* op = LocationOperand::cast(source); |
| 2109 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 2110 | __ LoadDouble(g.ToDoubleRegister(destination), src, r0); |
| 2111 | } else { |
| 2112 | __ LoadSingle(g.ToDoubleRegister(destination), src, r0); |
| 2113 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2114 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2115 | LocationOperand* op = LocationOperand::cast(source); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2116 | DoubleRegister temp = kScratchDoubleReg; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2117 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 2118 | __ LoadDouble(temp, src, r0); |
| 2119 | __ StoreDouble(temp, g.ToMemOperand(destination), r0); |
| 2120 | } else { |
| 2121 | __ LoadSingle(temp, src, r0); |
| 2122 | __ StoreSingle(temp, g.ToMemOperand(destination), r0); |
| 2123 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2124 | } |
| 2125 | } else { |
| 2126 | UNREACHABLE(); |
| 2127 | } |
| 2128 | } |
| 2129 | |
| 2130 | |
| 2131 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 2132 | InstructionOperand* destination) { |
| 2133 | PPCOperandConverter g(this, nullptr); |
| 2134 | // Dispatch on the source and destination operand kinds. Not all |
| 2135 | // combinations are possible. |
| 2136 | if (source->IsRegister()) { |
| 2137 | // Register-register. |
| 2138 | Register temp = kScratchReg; |
| 2139 | Register src = g.ToRegister(source); |
| 2140 | if (destination->IsRegister()) { |
| 2141 | Register dst = g.ToRegister(destination); |
| 2142 | __ mr(temp, src); |
| 2143 | __ mr(src, dst); |
| 2144 | __ mr(dst, temp); |
| 2145 | } else { |
| 2146 | DCHECK(destination->IsStackSlot()); |
| 2147 | MemOperand dst = g.ToMemOperand(destination); |
| 2148 | __ mr(temp, src); |
| 2149 | __ LoadP(src, dst); |
| 2150 | __ StoreP(temp, dst); |
| 2151 | } |
| 2152 | #if V8_TARGET_ARCH_PPC64 |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2153 | } else if (source->IsStackSlot() || source->IsFPStackSlot()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2154 | #else |
| 2155 | } else if (source->IsStackSlot()) { |
| 2156 | DCHECK(destination->IsStackSlot()); |
| 2157 | #endif |
| 2158 | Register temp_0 = kScratchReg; |
| 2159 | Register temp_1 = r0; |
| 2160 | MemOperand src = g.ToMemOperand(source); |
| 2161 | MemOperand dst = g.ToMemOperand(destination); |
| 2162 | __ LoadP(temp_0, src); |
| 2163 | __ LoadP(temp_1, dst); |
| 2164 | __ StoreP(temp_0, dst); |
| 2165 | __ StoreP(temp_1, src); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2166 | } else if (source->IsFPRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2167 | DoubleRegister temp = kScratchDoubleReg; |
| 2168 | DoubleRegister src = g.ToDoubleRegister(source); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2169 | if (destination->IsFPRegister()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2170 | DoubleRegister dst = g.ToDoubleRegister(destination); |
| 2171 | __ fmr(temp, src); |
| 2172 | __ fmr(src, dst); |
| 2173 | __ fmr(dst, temp); |
| 2174 | } else { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2175 | DCHECK(destination->IsFPStackSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2176 | MemOperand dst = g.ToMemOperand(destination); |
| 2177 | __ fmr(temp, src); |
| 2178 | __ lfd(src, dst); |
| 2179 | __ stfd(temp, dst); |
| 2180 | } |
| 2181 | #if !V8_TARGET_ARCH_PPC64 |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2182 | } else if (source->IsFPStackSlot()) { |
| 2183 | DCHECK(destination->IsFPStackSlot()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2184 | DoubleRegister temp_0 = kScratchDoubleReg; |
| 2185 | DoubleRegister temp_1 = d0; |
| 2186 | MemOperand src = g.ToMemOperand(source); |
| 2187 | MemOperand dst = g.ToMemOperand(destination); |
| 2188 | __ lfd(temp_0, src); |
| 2189 | __ lfd(temp_1, dst); |
| 2190 | __ stfd(temp_0, dst); |
| 2191 | __ stfd(temp_1, src); |
| 2192 | #endif |
| 2193 | } else { |
| 2194 | // No other combinations are possible. |
| 2195 | UNREACHABLE(); |
| 2196 | } |
| 2197 | } |
| 2198 | |
| 2199 | |
| 2200 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 2201 | for (size_t index = 0; index < target_count; ++index) { |
| 2202 | __ emit_label_addr(targets[index]); |
| 2203 | } |
| 2204 | } |
| 2205 | |
| 2206 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2207 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
| 2208 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 2209 | return; |
| 2210 | } |
| 2211 | |
| 2212 | int space_needed = Deoptimizer::patch_size(); |
| 2213 | // Ensure that we have enough space after the previous lazy-bailout |
| 2214 | // instruction for patching the code here. |
| 2215 | int current_pc = masm()->pc_offset(); |
| 2216 | if (current_pc < last_lazy_deopt_pc_ + space_needed) { |
| 2217 | // Block tramoline pool emission for duration of padding. |
| 2218 | v8::internal::Assembler::BlockTrampolinePoolScope block_trampoline_pool( |
| 2219 | masm()); |
| 2220 | int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 2221 | DCHECK_EQ(0, padding_size % v8::internal::Assembler::kInstrSize); |
| 2222 | while (padding_size > 0) { |
| 2223 | __ nop(); |
| 2224 | padding_size -= v8::internal::Assembler::kInstrSize; |
| 2225 | } |
| 2226 | } |
| 2227 | } |
| 2228 | |
| 2229 | #undef __ |
| 2230 | |
| 2231 | } // namespace compiler |
| 2232 | } // namespace internal |
| 2233 | } // namespace v8 |