Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/code-generator.h" |
| 6 | |
| 7 | #include "src/arm/macro-assembler-arm.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 8 | #include "src/ast/scopes.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | #include "src/compiler/code-generator-impl.h" |
| 10 | #include "src/compiler/gap-resolver.h" |
| 11 | #include "src/compiler/node-matchers.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 12 | #include "src/compiler/osr.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 13 | |
| 14 | namespace v8 { |
| 15 | namespace internal { |
| 16 | namespace compiler { |
| 17 | |
| 18 | #define __ masm()-> |
| 19 | |
| 20 | |
| 21 | #define kScratchReg r9 |
| 22 | |
| 23 | |
| 24 | // Adds Arm-specific methods to convert InstructionOperands. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 25 | class ArmOperandConverter final : public InstructionOperandConverter { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 26 | public: |
| 27 | ArmOperandConverter(CodeGenerator* gen, Instruction* instr) |
| 28 | : InstructionOperandConverter(gen, instr) {} |
| 29 | |
| 30 | SBit OutputSBit() const { |
| 31 | switch (instr_->flags_mode()) { |
| 32 | case kFlags_branch: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 33 | case kFlags_deoptimize: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 34 | case kFlags_set: |
| 35 | return SetCC; |
| 36 | case kFlags_none: |
| 37 | return LeaveCC; |
| 38 | } |
| 39 | UNREACHABLE(); |
| 40 | return LeaveCC; |
| 41 | } |
| 42 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | Operand InputImmediate(size_t index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 44 | Constant constant = ToConstant(instr_->InputAt(index)); |
| 45 | switch (constant.type()) { |
| 46 | case Constant::kInt32: |
| 47 | return Operand(constant.ToInt32()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 48 | case Constant::kFloat32: |
| 49 | return Operand( |
| 50 | isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 51 | case Constant::kFloat64: |
| 52 | return Operand( |
| 53 | isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED)); |
| 54 | case Constant::kInt64: |
| 55 | case Constant::kExternalReference: |
| 56 | case Constant::kHeapObject: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 57 | case Constant::kRpoNumber: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 58 | break; |
| 59 | } |
| 60 | UNREACHABLE(); |
| 61 | return Operand::Zero(); |
| 62 | } |
| 63 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 64 | Operand InputOperand2(size_t first_index) { |
| 65 | const size_t index = first_index; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 66 | switch (AddressingModeField::decode(instr_->opcode())) { |
| 67 | case kMode_None: |
| 68 | case kMode_Offset_RI: |
| 69 | case kMode_Offset_RR: |
| 70 | break; |
| 71 | case kMode_Operand2_I: |
| 72 | return InputImmediate(index + 0); |
| 73 | case kMode_Operand2_R: |
| 74 | return Operand(InputRegister(index + 0)); |
| 75 | case kMode_Operand2_R_ASR_I: |
| 76 | return Operand(InputRegister(index + 0), ASR, InputInt5(index + 1)); |
| 77 | case kMode_Operand2_R_ASR_R: |
| 78 | return Operand(InputRegister(index + 0), ASR, InputRegister(index + 1)); |
| 79 | case kMode_Operand2_R_LSL_I: |
| 80 | return Operand(InputRegister(index + 0), LSL, InputInt5(index + 1)); |
| 81 | case kMode_Operand2_R_LSL_R: |
| 82 | return Operand(InputRegister(index + 0), LSL, InputRegister(index + 1)); |
| 83 | case kMode_Operand2_R_LSR_I: |
| 84 | return Operand(InputRegister(index + 0), LSR, InputInt5(index + 1)); |
| 85 | case kMode_Operand2_R_LSR_R: |
| 86 | return Operand(InputRegister(index + 0), LSR, InputRegister(index + 1)); |
| 87 | case kMode_Operand2_R_ROR_I: |
| 88 | return Operand(InputRegister(index + 0), ROR, InputInt5(index + 1)); |
| 89 | case kMode_Operand2_R_ROR_R: |
| 90 | return Operand(InputRegister(index + 0), ROR, InputRegister(index + 1)); |
| 91 | } |
| 92 | UNREACHABLE(); |
| 93 | return Operand::Zero(); |
| 94 | } |
| 95 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 96 | MemOperand InputOffset(size_t* first_index) { |
| 97 | const size_t index = *first_index; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 98 | switch (AddressingModeField::decode(instr_->opcode())) { |
| 99 | case kMode_None: |
| 100 | case kMode_Operand2_I: |
| 101 | case kMode_Operand2_R: |
| 102 | case kMode_Operand2_R_ASR_I: |
| 103 | case kMode_Operand2_R_ASR_R: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 104 | case kMode_Operand2_R_LSL_R: |
| 105 | case kMode_Operand2_R_LSR_I: |
| 106 | case kMode_Operand2_R_LSR_R: |
| 107 | case kMode_Operand2_R_ROR_I: |
| 108 | case kMode_Operand2_R_ROR_R: |
| 109 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 110 | case kMode_Operand2_R_LSL_I: |
| 111 | *first_index += 3; |
| 112 | return MemOperand(InputRegister(index + 0), InputRegister(index + 1), |
| 113 | LSL, InputInt32(index + 2)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 114 | case kMode_Offset_RI: |
| 115 | *first_index += 2; |
| 116 | return MemOperand(InputRegister(index + 0), InputInt32(index + 1)); |
| 117 | case kMode_Offset_RR: |
| 118 | *first_index += 2; |
| 119 | return MemOperand(InputRegister(index + 0), InputRegister(index + 1)); |
| 120 | } |
| 121 | UNREACHABLE(); |
| 122 | return MemOperand(r0); |
| 123 | } |
| 124 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 125 | MemOperand InputOffset(size_t first_index = 0) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 126 | return InputOffset(&first_index); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | MemOperand ToMemOperand(InstructionOperand* op) const { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 130 | DCHECK_NOT_NULL(op); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 131 | DCHECK(op->IsStackSlot() || op->IsFPStackSlot()); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 132 | return SlotToMemOperand(AllocatedOperand::cast(op)->index()); |
| 133 | } |
| 134 | |
| 135 | MemOperand SlotToMemOperand(int slot) const { |
| 136 | FrameOffset offset = frame_access_state()->GetFrameOffset(slot); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 137 | return MemOperand(offset.from_stack_pointer() ? sp : fp, offset.offset()); |
| 138 | } |
| 139 | }; |
| 140 | |
| 141 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 142 | namespace { |
| 143 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 144 | class OutOfLineLoadFloat final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 145 | public: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 146 | OutOfLineLoadFloat(CodeGenerator* gen, SwVfpRegister result) |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 147 | : OutOfLineCode(gen), result_(result) {} |
| 148 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 149 | void Generate() final { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 150 | // Compute sqrtf(-1.0f), which results in a quiet single-precision NaN. |
| 151 | __ vmov(result_, -1.0f); |
| 152 | __ vsqrt(result_, result_); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | private: |
| 156 | SwVfpRegister const result_; |
| 157 | }; |
| 158 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 159 | class OutOfLineLoadDouble final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 160 | public: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 161 | OutOfLineLoadDouble(CodeGenerator* gen, DwVfpRegister result) |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 162 | : OutOfLineCode(gen), result_(result) {} |
| 163 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 164 | void Generate() final { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 165 | // Compute sqrt(-1.0), which results in a quiet double-precision NaN. |
| 166 | __ vmov(result_, -1.0); |
| 167 | __ vsqrt(result_, result_); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | private: |
| 171 | DwVfpRegister const result_; |
| 172 | }; |
| 173 | |
| 174 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 175 | class OutOfLineLoadInteger final : public OutOfLineCode { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 176 | public: |
| 177 | OutOfLineLoadInteger(CodeGenerator* gen, Register result) |
| 178 | : OutOfLineCode(gen), result_(result) {} |
| 179 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 180 | void Generate() final { __ mov(result_, Operand::Zero()); } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 181 | |
| 182 | private: |
| 183 | Register const result_; |
| 184 | }; |
| 185 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 186 | |
| 187 | class OutOfLineRecordWrite final : public OutOfLineCode { |
| 188 | public: |
| 189 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, Register index, |
| 190 | Register value, Register scratch0, Register scratch1, |
| 191 | RecordWriteMode mode) |
| 192 | : OutOfLineCode(gen), |
| 193 | object_(object), |
| 194 | index_(index), |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 195 | index_immediate_(0), |
| 196 | value_(value), |
| 197 | scratch0_(scratch0), |
| 198 | scratch1_(scratch1), |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 199 | mode_(mode), |
| 200 | must_save_lr_(!gen->frame_access_state()->has_frame()) {} |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 201 | |
| 202 | OutOfLineRecordWrite(CodeGenerator* gen, Register object, int32_t index, |
| 203 | Register value, Register scratch0, Register scratch1, |
| 204 | RecordWriteMode mode) |
| 205 | : OutOfLineCode(gen), |
| 206 | object_(object), |
| 207 | index_(no_reg), |
| 208 | index_immediate_(index), |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 209 | value_(value), |
| 210 | scratch0_(scratch0), |
| 211 | scratch1_(scratch1), |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 212 | mode_(mode), |
| 213 | must_save_lr_(!gen->frame_access_state()->has_frame()) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 214 | |
| 215 | void Generate() final { |
| 216 | if (mode_ > RecordWriteMode::kValueIsPointer) { |
| 217 | __ JumpIfSmi(value_, exit()); |
| 218 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 219 | __ CheckPageFlag(value_, scratch0_, |
| 220 | MemoryChunk::kPointersToHereAreInterestingMask, eq, |
| 221 | exit()); |
| 222 | RememberedSetAction const remembered_set_action = |
| 223 | mode_ > RecordWriteMode::kValueIsMap ? EMIT_REMEMBERED_SET |
| 224 | : OMIT_REMEMBERED_SET; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 225 | SaveFPRegsMode const save_fp_mode = |
| 226 | frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 227 | if (must_save_lr_) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 228 | // We need to save and restore lr if the frame was elided. |
| 229 | __ Push(lr); |
| 230 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 231 | RecordWriteStub stub(isolate(), object_, scratch0_, scratch1_, |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 232 | remembered_set_action, save_fp_mode); |
| 233 | if (index_.is(no_reg)) { |
| 234 | __ add(scratch1_, object_, Operand(index_immediate_)); |
| 235 | } else { |
| 236 | DCHECK_EQ(0, index_immediate_); |
| 237 | __ add(scratch1_, object_, Operand(index_)); |
| 238 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 239 | __ CallStub(&stub); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 240 | if (must_save_lr_) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 241 | __ Pop(lr); |
| 242 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | private: |
| 246 | Register const object_; |
| 247 | Register const index_; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 248 | int32_t const index_immediate_; // Valid if index_.is(no_reg). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 249 | Register const value_; |
| 250 | Register const scratch0_; |
| 251 | Register const scratch1_; |
| 252 | RecordWriteMode const mode_; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 253 | bool must_save_lr_; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 254 | }; |
| 255 | |
| 256 | |
| 257 | Condition FlagsConditionToCondition(FlagsCondition condition) { |
| 258 | switch (condition) { |
| 259 | case kEqual: |
| 260 | return eq; |
| 261 | case kNotEqual: |
| 262 | return ne; |
| 263 | case kSignedLessThan: |
| 264 | return lt; |
| 265 | case kSignedGreaterThanOrEqual: |
| 266 | return ge; |
| 267 | case kSignedLessThanOrEqual: |
| 268 | return le; |
| 269 | case kSignedGreaterThan: |
| 270 | return gt; |
| 271 | case kUnsignedLessThan: |
| 272 | return lo; |
| 273 | case kUnsignedGreaterThanOrEqual: |
| 274 | return hs; |
| 275 | case kUnsignedLessThanOrEqual: |
| 276 | return ls; |
| 277 | case kUnsignedGreaterThan: |
| 278 | return hi; |
| 279 | case kFloatLessThanOrUnordered: |
| 280 | return lt; |
| 281 | case kFloatGreaterThanOrEqual: |
| 282 | return ge; |
| 283 | case kFloatLessThanOrEqual: |
| 284 | return ls; |
| 285 | case kFloatGreaterThanOrUnordered: |
| 286 | return hi; |
| 287 | case kFloatLessThan: |
| 288 | return lo; |
| 289 | case kFloatGreaterThanOrEqualOrUnordered: |
| 290 | return hs; |
| 291 | case kFloatLessThanOrEqualOrUnordered: |
| 292 | return le; |
| 293 | case kFloatGreaterThan: |
| 294 | return gt; |
| 295 | case kOverflow: |
| 296 | return vs; |
| 297 | case kNotOverflow: |
| 298 | return vc; |
| 299 | default: |
| 300 | break; |
| 301 | } |
| 302 | UNREACHABLE(); |
| 303 | return kNoCondition; |
| 304 | } |
| 305 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 306 | } // namespace |
| 307 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 308 | #define ASSEMBLE_CHECKED_LOAD_FP(Type) \ |
| 309 | do { \ |
| 310 | auto result = i.Output##Type##Register(); \ |
| 311 | auto offset = i.InputRegister(0); \ |
| 312 | if (instr->InputAt(1)->IsRegister()) { \ |
| 313 | __ cmp(offset, i.InputRegister(1)); \ |
| 314 | } else { \ |
| 315 | __ cmp(offset, i.InputImmediate(1)); \ |
| 316 | } \ |
| 317 | auto ool = new (zone()) OutOfLineLoad##Type(this, result); \ |
| 318 | __ b(hs, ool->entry()); \ |
| 319 | __ vldr(result, i.InputOffset(2)); \ |
| 320 | __ bind(ool->exit()); \ |
| 321 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 322 | } while (0) |
| 323 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 324 | #define ASSEMBLE_CHECKED_LOAD_INTEGER(asm_instr) \ |
| 325 | do { \ |
| 326 | auto result = i.OutputRegister(); \ |
| 327 | auto offset = i.InputRegister(0); \ |
| 328 | if (instr->InputAt(1)->IsRegister()) { \ |
| 329 | __ cmp(offset, i.InputRegister(1)); \ |
| 330 | } else { \ |
| 331 | __ cmp(offset, i.InputImmediate(1)); \ |
| 332 | } \ |
| 333 | auto ool = new (zone()) OutOfLineLoadInteger(this, result); \ |
| 334 | __ b(hs, ool->entry()); \ |
| 335 | __ asm_instr(result, i.InputOffset(2)); \ |
| 336 | __ bind(ool->exit()); \ |
| 337 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
| 338 | } while (0) |
| 339 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 340 | #define ASSEMBLE_CHECKED_STORE_FP(Type) \ |
| 341 | do { \ |
| 342 | auto offset = i.InputRegister(0); \ |
| 343 | if (instr->InputAt(1)->IsRegister()) { \ |
| 344 | __ cmp(offset, i.InputRegister(1)); \ |
| 345 | } else { \ |
| 346 | __ cmp(offset, i.InputImmediate(1)); \ |
| 347 | } \ |
| 348 | auto value = i.Input##Type##Register(2); \ |
| 349 | __ vstr(value, i.InputOffset(3), lo); \ |
| 350 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 351 | } while (0) |
| 352 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 353 | #define ASSEMBLE_CHECKED_STORE_INTEGER(asm_instr) \ |
| 354 | do { \ |
| 355 | auto offset = i.InputRegister(0); \ |
| 356 | if (instr->InputAt(1)->IsRegister()) { \ |
| 357 | __ cmp(offset, i.InputRegister(1)); \ |
| 358 | } else { \ |
| 359 | __ cmp(offset, i.InputImmediate(1)); \ |
| 360 | } \ |
| 361 | auto value = i.InputRegister(2); \ |
| 362 | __ asm_instr(value, i.InputOffset(3), lo); \ |
| 363 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
| 364 | } while (0) |
| 365 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 366 | #define ASSEMBLE_ATOMIC_LOAD_INTEGER(asm_instr) \ |
| 367 | do { \ |
| 368 | __ asm_instr(i.OutputRegister(), \ |
| 369 | MemOperand(i.InputRegister(0), i.InputRegister(1))); \ |
| 370 | __ dmb(ISH); \ |
| 371 | } while (0) |
| 372 | |
| 373 | #define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr) \ |
| 374 | do { \ |
| 375 | __ dmb(ISH); \ |
| 376 | __ asm_instr(i.InputRegister(2), \ |
| 377 | MemOperand(i.InputRegister(0), i.InputRegister(1))); \ |
| 378 | __ dmb(ISH); \ |
| 379 | } while (0) |
| 380 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 381 | #define ASSEMBLE_IEEE754_BINOP(name) \ |
| 382 | do { \ |
| 383 | /* TODO(bmeurer): We should really get rid of this special instruction, */ \ |
| 384 | /* and generate a CallAddress instruction instead. */ \ |
| 385 | FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 386 | __ PrepareCallCFunction(0, 2, kScratchReg); \ |
| 387 | __ MovToFloatParameters(i.InputDoubleRegister(0), \ |
| 388 | i.InputDoubleRegister(1)); \ |
| 389 | __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()), \ |
| 390 | 0, 2); \ |
| 391 | /* Move the result in the double result register. */ \ |
| 392 | __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 393 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
| 394 | } while (0) |
| 395 | |
| 396 | #define ASSEMBLE_IEEE754_UNOP(name) \ |
| 397 | do { \ |
| 398 | /* TODO(bmeurer): We should really get rid of this special instruction, */ \ |
| 399 | /* and generate a CallAddress instruction instead. */ \ |
| 400 | FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 401 | __ PrepareCallCFunction(0, 1, kScratchReg); \ |
| 402 | __ MovToFloatParameter(i.InputDoubleRegister(0)); \ |
| 403 | __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()), \ |
| 404 | 0, 1); \ |
| 405 | /* Move the result in the double result register. */ \ |
| 406 | __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 407 | DCHECK_EQ(LeaveCC, i.OutputSBit()); \ |
| 408 | } while (0) |
| 409 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 410 | void CodeGenerator::AssembleDeconstructFrame() { |
| 411 | __ LeaveFrame(StackFrame::MANUAL); |
| 412 | } |
| 413 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 414 | void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
| 415 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 416 | if (sp_slot_delta > 0) { |
| 417 | __ add(sp, sp, Operand(sp_slot_delta * kPointerSize)); |
| 418 | } |
| 419 | frame_access_state()->SetFrameAccessToDefault(); |
| 420 | } |
| 421 | |
| 422 | |
| 423 | void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { |
| 424 | int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
| 425 | if (sp_slot_delta < 0) { |
| 426 | __ sub(sp, sp, Operand(-sp_slot_delta * kPointerSize)); |
| 427 | frame_access_state()->IncreaseSPDelta(-sp_slot_delta); |
| 428 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 429 | if (frame_access_state()->has_frame()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 430 | if (FLAG_enable_embedded_constant_pool) { |
| 431 | __ ldr(cp, MemOperand(fp, StandardFrameConstants::kConstantPoolOffset)); |
| 432 | } |
| 433 | __ ldr(lr, MemOperand(fp, StandardFrameConstants::kCallerPCOffset)); |
| 434 | __ ldr(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); |
| 435 | } |
| 436 | frame_access_state()->SetFrameAccessToSP(); |
| 437 | } |
| 438 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 439 | void CodeGenerator::AssemblePopArgumentsAdaptorFrame(Register args_reg, |
| 440 | Register scratch1, |
| 441 | Register scratch2, |
| 442 | Register scratch3) { |
| 443 | DCHECK(!AreAliased(args_reg, scratch1, scratch2, scratch3)); |
| 444 | Label done; |
| 445 | |
| 446 | // Check if current frame is an arguments adaptor frame. |
| 447 | __ ldr(scratch1, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 448 | __ cmp(scratch1, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); |
| 449 | __ b(ne, &done); |
| 450 | |
| 451 | // Load arguments count from current arguments adaptor frame (note, it |
| 452 | // does not include receiver). |
| 453 | Register caller_args_count_reg = scratch1; |
| 454 | __ ldr(caller_args_count_reg, |
| 455 | MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
| 456 | __ SmiUntag(caller_args_count_reg); |
| 457 | |
| 458 | ParameterCount callee_args_count(args_reg); |
| 459 | __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2, |
| 460 | scratch3); |
| 461 | __ bind(&done); |
| 462 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 463 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 464 | // Assembles an instruction after register allocation, producing machine code. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 465 | CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
| 466 | Instruction* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 467 | ArmOperandConverter i(this, instr); |
| 468 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 469 | __ MaybeCheckConstPool(); |
| 470 | InstructionCode opcode = instr->opcode(); |
| 471 | ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode); |
| 472 | switch (arch_opcode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 473 | case kArchCallCodeObject: { |
| 474 | EnsureSpaceForLazyDeopt(); |
| 475 | if (instr->InputAt(0)->IsImmediate()) { |
| 476 | __ Call(Handle<Code>::cast(i.InputHeapObject(0)), |
| 477 | RelocInfo::CODE_TARGET); |
| 478 | } else { |
| 479 | __ add(ip, i.InputRegister(0), |
| 480 | Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 481 | __ Call(ip); |
| 482 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 483 | RecordCallPosition(instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 484 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 485 | frame_access_state()->ClearSPDelta(); |
| 486 | break; |
| 487 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 488 | case kArchTailCallCodeObjectFromJSFunction: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 489 | case kArchTailCallCodeObject: { |
| 490 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 491 | AssembleDeconstructActivationRecord(stack_param_delta); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 492 | if (arch_opcode == kArchTailCallCodeObjectFromJSFunction) { |
| 493 | AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister, |
| 494 | i.TempRegister(0), i.TempRegister(1), |
| 495 | i.TempRegister(2)); |
| 496 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 497 | if (instr->InputAt(0)->IsImmediate()) { |
| 498 | __ Jump(Handle<Code>::cast(i.InputHeapObject(0)), |
| 499 | RelocInfo::CODE_TARGET); |
| 500 | } else { |
| 501 | __ add(ip, i.InputRegister(0), |
| 502 | Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 503 | __ Jump(ip); |
| 504 | } |
| 505 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 506 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 507 | break; |
| 508 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 509 | case kArchTailCallAddress: { |
| 510 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 511 | AssembleDeconstructActivationRecord(stack_param_delta); |
| 512 | CHECK(!instr->InputAt(0)->IsImmediate()); |
| 513 | __ Jump(i.InputRegister(0)); |
| 514 | frame_access_state()->ClearSPDelta(); |
| 515 | break; |
| 516 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 517 | case kArchCallJSFunction: { |
| 518 | EnsureSpaceForLazyDeopt(); |
| 519 | Register func = i.InputRegister(0); |
| 520 | if (FLAG_debug_code) { |
| 521 | // Check the function's context matches the context argument. |
| 522 | __ ldr(kScratchReg, FieldMemOperand(func, JSFunction::kContextOffset)); |
| 523 | __ cmp(cp, kScratchReg); |
| 524 | __ Assert(eq, kWrongFunctionContext); |
| 525 | } |
| 526 | __ ldr(ip, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 527 | __ Call(ip); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 528 | RecordCallPosition(instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 529 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 530 | frame_access_state()->ClearSPDelta(); |
| 531 | break; |
| 532 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 533 | case kArchTailCallJSFunctionFromJSFunction: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 534 | case kArchTailCallJSFunction: { |
| 535 | Register func = i.InputRegister(0); |
| 536 | if (FLAG_debug_code) { |
| 537 | // Check the function's context matches the context argument. |
| 538 | __ ldr(kScratchReg, FieldMemOperand(func, JSFunction::kContextOffset)); |
| 539 | __ cmp(cp, kScratchReg); |
| 540 | __ Assert(eq, kWrongFunctionContext); |
| 541 | } |
| 542 | int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 543 | AssembleDeconstructActivationRecord(stack_param_delta); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 544 | if (arch_opcode == kArchTailCallJSFunctionFromJSFunction) { |
| 545 | AssemblePopArgumentsAdaptorFrame(kJavaScriptCallArgCountRegister, |
| 546 | i.TempRegister(0), i.TempRegister(1), |
| 547 | i.TempRegister(2)); |
| 548 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 549 | __ ldr(ip, FieldMemOperand(func, JSFunction::kCodeEntryOffset)); |
| 550 | __ Jump(ip); |
| 551 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 552 | frame_access_state()->ClearSPDelta(); |
| 553 | break; |
| 554 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 555 | case kArchPrepareCallCFunction: { |
| 556 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 557 | __ PrepareCallCFunction(num_parameters, kScratchReg); |
| 558 | // Frame alignment requires using FP-relative frame addressing. |
| 559 | frame_access_state()->SetFrameAccessToFP(); |
| 560 | break; |
| 561 | } |
| 562 | case kArchPrepareTailCall: |
| 563 | AssemblePrepareTailCall(i.InputInt32(instr->InputCount() - 1)); |
| 564 | break; |
| 565 | case kArchCallCFunction: { |
| 566 | int const num_parameters = MiscField::decode(instr->opcode()); |
| 567 | if (instr->InputAt(0)->IsImmediate()) { |
| 568 | ExternalReference ref = i.InputExternalReference(0); |
| 569 | __ CallCFunction(ref, num_parameters); |
| 570 | } else { |
| 571 | Register func = i.InputRegister(0); |
| 572 | __ CallCFunction(func, num_parameters); |
| 573 | } |
| 574 | frame_access_state()->SetFrameAccessToDefault(); |
| 575 | frame_access_state()->ClearSPDelta(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 576 | break; |
| 577 | } |
| 578 | case kArchJmp: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 579 | AssembleArchJump(i.InputRpo(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 580 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 581 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 582 | case kArchLookupSwitch: |
| 583 | AssembleArchLookupSwitch(instr); |
| 584 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 585 | break; |
| 586 | case kArchTableSwitch: |
| 587 | AssembleArchTableSwitch(instr); |
| 588 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 589 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 590 | case kArchDebugBreak: |
| 591 | __ stop("kArchDebugBreak"); |
| 592 | break; |
| 593 | case kArchComment: { |
| 594 | Address comment_string = i.InputExternalReference(0).address(); |
| 595 | __ RecordComment(reinterpret_cast<const char*>(comment_string)); |
| 596 | break; |
| 597 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 598 | case kArchNop: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 599 | case kArchThrowTerminator: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 600 | // don't emit code for nops. |
| 601 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 602 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 603 | case kArchDeoptimize: { |
| 604 | int deopt_state_id = |
| 605 | BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 606 | Deoptimizer::BailoutType bailout_type = |
| 607 | Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 608 | CodeGenResult result = |
| 609 | AssembleDeoptimizerCall(deopt_state_id, bailout_type); |
| 610 | if (result != kSuccess) return result; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 611 | break; |
| 612 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 613 | case kArchRet: |
| 614 | AssembleReturn(); |
| 615 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 616 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 617 | case kArchStackPointer: |
| 618 | __ mov(i.OutputRegister(), sp); |
| 619 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 620 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 621 | case kArchFramePointer: |
| 622 | __ mov(i.OutputRegister(), fp); |
| 623 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 624 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 625 | case kArchParentFramePointer: |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 626 | if (frame_access_state()->has_frame()) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 627 | __ ldr(i.OutputRegister(), MemOperand(fp, 0)); |
| 628 | } else { |
| 629 | __ mov(i.OutputRegister(), fp); |
| 630 | } |
| 631 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 632 | case kArchTruncateDoubleToI: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 633 | __ TruncateDoubleToI(i.OutputRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 634 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 635 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 636 | case kArchStoreWithWriteBarrier: { |
| 637 | RecordWriteMode mode = |
| 638 | static_cast<RecordWriteMode>(MiscField::decode(instr->opcode())); |
| 639 | Register object = i.InputRegister(0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 640 | Register value = i.InputRegister(2); |
| 641 | Register scratch0 = i.TempRegister(0); |
| 642 | Register scratch1 = i.TempRegister(1); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 643 | OutOfLineRecordWrite* ool; |
| 644 | |
| 645 | AddressingMode addressing_mode = |
| 646 | AddressingModeField::decode(instr->opcode()); |
| 647 | if (addressing_mode == kMode_Offset_RI) { |
| 648 | int32_t index = i.InputInt32(1); |
| 649 | ool = new (zone()) OutOfLineRecordWrite(this, object, index, value, |
| 650 | scratch0, scratch1, mode); |
| 651 | __ str(value, MemOperand(object, index)); |
| 652 | } else { |
| 653 | DCHECK_EQ(kMode_Offset_RR, addressing_mode); |
| 654 | Register index(i.InputRegister(1)); |
| 655 | ool = new (zone()) OutOfLineRecordWrite(this, object, index, value, |
| 656 | scratch0, scratch1, mode); |
| 657 | __ str(value, MemOperand(object, index)); |
| 658 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 659 | __ CheckPageFlag(object, scratch0, |
| 660 | MemoryChunk::kPointersFromHereAreInterestingMask, ne, |
| 661 | ool->entry()); |
| 662 | __ bind(ool->exit()); |
| 663 | break; |
| 664 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 665 | case kArchStackSlot: { |
| 666 | FrameOffset offset = |
| 667 | frame_access_state()->GetFrameOffset(i.InputInt32(0)); |
| 668 | Register base; |
| 669 | if (offset.from_stack_pointer()) { |
| 670 | base = sp; |
| 671 | } else { |
| 672 | base = fp; |
| 673 | } |
| 674 | __ add(i.OutputRegister(0), base, Operand(offset.offset())); |
| 675 | break; |
| 676 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 677 | case kIeee754Float64Atan: |
| 678 | ASSEMBLE_IEEE754_UNOP(atan); |
| 679 | break; |
| 680 | case kIeee754Float64Atan2: |
| 681 | ASSEMBLE_IEEE754_BINOP(atan2); |
| 682 | break; |
| 683 | case kIeee754Float64Cbrt: |
| 684 | ASSEMBLE_IEEE754_UNOP(cbrt); |
| 685 | break; |
| 686 | case kIeee754Float64Cos: |
| 687 | ASSEMBLE_IEEE754_UNOP(cos); |
| 688 | break; |
| 689 | case kIeee754Float64Exp: |
| 690 | ASSEMBLE_IEEE754_UNOP(exp); |
| 691 | break; |
| 692 | case kIeee754Float64Expm1: |
| 693 | ASSEMBLE_IEEE754_UNOP(expm1); |
| 694 | break; |
| 695 | case kIeee754Float64Atanh: |
| 696 | ASSEMBLE_IEEE754_UNOP(atanh); |
| 697 | break; |
| 698 | case kIeee754Float64Log: |
| 699 | ASSEMBLE_IEEE754_UNOP(log); |
| 700 | break; |
| 701 | case kIeee754Float64Log1p: |
| 702 | ASSEMBLE_IEEE754_UNOP(log1p); |
| 703 | break; |
| 704 | case kIeee754Float64Log2: |
| 705 | ASSEMBLE_IEEE754_UNOP(log2); |
| 706 | break; |
| 707 | case kIeee754Float64Log10: |
| 708 | ASSEMBLE_IEEE754_UNOP(log10); |
| 709 | break; |
| 710 | case kIeee754Float64Sin: |
| 711 | ASSEMBLE_IEEE754_UNOP(sin); |
| 712 | break; |
| 713 | case kIeee754Float64Tan: |
| 714 | ASSEMBLE_IEEE754_UNOP(tan); |
| 715 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 716 | case kArmAdd: |
| 717 | __ add(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 718 | i.OutputSBit()); |
| 719 | break; |
| 720 | case kArmAnd: |
| 721 | __ and_(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 722 | i.OutputSBit()); |
| 723 | break; |
| 724 | case kArmBic: |
| 725 | __ bic(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 726 | i.OutputSBit()); |
| 727 | break; |
| 728 | case kArmMul: |
| 729 | __ mul(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 730 | i.OutputSBit()); |
| 731 | break; |
| 732 | case kArmMla: |
| 733 | __ mla(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 734 | i.InputRegister(2), i.OutputSBit()); |
| 735 | break; |
| 736 | case kArmMls: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 737 | CpuFeatureScope scope(masm(), ARMv7); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 738 | __ mls(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 739 | i.InputRegister(2)); |
| 740 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 741 | break; |
| 742 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 743 | case kArmSmmul: |
| 744 | __ smmul(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 745 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 746 | break; |
| 747 | case kArmSmmla: |
| 748 | __ smmla(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 749 | i.InputRegister(2)); |
| 750 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 751 | break; |
| 752 | case kArmUmull: |
| 753 | __ umull(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 754 | i.InputRegister(1), i.OutputSBit()); |
| 755 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 756 | case kArmSdiv: { |
| 757 | CpuFeatureScope scope(masm(), SUDIV); |
| 758 | __ sdiv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 759 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 760 | break; |
| 761 | } |
| 762 | case kArmUdiv: { |
| 763 | CpuFeatureScope scope(masm(), SUDIV); |
| 764 | __ udiv(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1)); |
| 765 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 766 | break; |
| 767 | } |
| 768 | case kArmMov: |
| 769 | __ Move(i.OutputRegister(), i.InputOperand2(0), i.OutputSBit()); |
| 770 | break; |
| 771 | case kArmMvn: |
| 772 | __ mvn(i.OutputRegister(), i.InputOperand2(0), i.OutputSBit()); |
| 773 | break; |
| 774 | case kArmOrr: |
| 775 | __ orr(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 776 | i.OutputSBit()); |
| 777 | break; |
| 778 | case kArmEor: |
| 779 | __ eor(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 780 | i.OutputSBit()); |
| 781 | break; |
| 782 | case kArmSub: |
| 783 | __ sub(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 784 | i.OutputSBit()); |
| 785 | break; |
| 786 | case kArmRsb: |
| 787 | __ rsb(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1), |
| 788 | i.OutputSBit()); |
| 789 | break; |
| 790 | case kArmBfc: { |
| 791 | CpuFeatureScope scope(masm(), ARMv7); |
| 792 | __ bfc(i.OutputRegister(), i.InputInt8(1), i.InputInt8(2)); |
| 793 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 794 | break; |
| 795 | } |
| 796 | case kArmUbfx: { |
| 797 | CpuFeatureScope scope(masm(), ARMv7); |
| 798 | __ ubfx(i.OutputRegister(), i.InputRegister(0), i.InputInt8(1), |
| 799 | i.InputInt8(2)); |
| 800 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 801 | break; |
| 802 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 803 | case kArmSbfx: { |
| 804 | CpuFeatureScope scope(masm(), ARMv7); |
| 805 | __ sbfx(i.OutputRegister(), i.InputRegister(0), i.InputInt8(1), |
| 806 | i.InputInt8(2)); |
| 807 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 808 | break; |
| 809 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 810 | case kArmSxtb: |
| 811 | __ sxtb(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1)); |
| 812 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 813 | break; |
| 814 | case kArmSxth: |
| 815 | __ sxth(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1)); |
| 816 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 817 | break; |
| 818 | case kArmSxtab: |
| 819 | __ sxtab(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 820 | i.InputInt32(2)); |
| 821 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 822 | break; |
| 823 | case kArmSxtah: |
| 824 | __ sxtah(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 825 | i.InputInt32(2)); |
| 826 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 827 | break; |
| 828 | case kArmUxtb: |
| 829 | __ uxtb(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1)); |
| 830 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 831 | break; |
| 832 | case kArmUxth: |
| 833 | __ uxth(i.OutputRegister(), i.InputRegister(0), i.InputInt32(1)); |
| 834 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 835 | break; |
| 836 | case kArmUxtab: |
| 837 | __ uxtab(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 838 | i.InputInt32(2)); |
| 839 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 840 | break; |
| 841 | case kArmUxtah: |
| 842 | __ uxtah(i.OutputRegister(), i.InputRegister(0), i.InputRegister(1), |
| 843 | i.InputInt32(2)); |
| 844 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 845 | break; |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 846 | case kArmRbit: { |
| 847 | CpuFeatureScope scope(masm(), ARMv7); |
| 848 | __ rbit(i.OutputRegister(), i.InputRegister(0)); |
| 849 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 850 | break; |
| 851 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 852 | case kArmClz: |
| 853 | __ clz(i.OutputRegister(), i.InputRegister(0)); |
| 854 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 855 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 856 | case kArmCmp: |
| 857 | __ cmp(i.InputRegister(0), i.InputOperand2(1)); |
| 858 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 859 | break; |
| 860 | case kArmCmn: |
| 861 | __ cmn(i.InputRegister(0), i.InputOperand2(1)); |
| 862 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 863 | break; |
| 864 | case kArmTst: |
| 865 | __ tst(i.InputRegister(0), i.InputOperand2(1)); |
| 866 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 867 | break; |
| 868 | case kArmTeq: |
| 869 | __ teq(i.InputRegister(0), i.InputOperand2(1)); |
| 870 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 871 | break; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 872 | case kArmAddPair: |
| 873 | // i.InputRegister(0) ... left low word. |
| 874 | // i.InputRegister(1) ... left high word. |
| 875 | // i.InputRegister(2) ... right low word. |
| 876 | // i.InputRegister(3) ... right high word. |
| 877 | __ add(i.OutputRegister(0), i.InputRegister(0), i.InputRegister(2), |
| 878 | SBit::SetCC); |
| 879 | __ adc(i.OutputRegister(1), i.InputRegister(1), |
| 880 | Operand(i.InputRegister(3))); |
| 881 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 882 | break; |
| 883 | case kArmSubPair: |
| 884 | // i.InputRegister(0) ... left low word. |
| 885 | // i.InputRegister(1) ... left high word. |
| 886 | // i.InputRegister(2) ... right low word. |
| 887 | // i.InputRegister(3) ... right high word. |
| 888 | __ sub(i.OutputRegister(0), i.InputRegister(0), i.InputRegister(2), |
| 889 | SBit::SetCC); |
| 890 | __ sbc(i.OutputRegister(1), i.InputRegister(1), |
| 891 | Operand(i.InputRegister(3))); |
| 892 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 893 | break; |
| 894 | case kArmMulPair: |
| 895 | // i.InputRegister(0) ... left low word. |
| 896 | // i.InputRegister(1) ... left high word. |
| 897 | // i.InputRegister(2) ... right low word. |
| 898 | // i.InputRegister(3) ... right high word. |
| 899 | __ umull(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 900 | i.InputRegister(2)); |
| 901 | __ mla(i.OutputRegister(1), i.InputRegister(0), i.InputRegister(3), |
| 902 | i.OutputRegister(1)); |
| 903 | __ mla(i.OutputRegister(1), i.InputRegister(2), i.InputRegister(1), |
| 904 | i.OutputRegister(1)); |
| 905 | break; |
| 906 | case kArmLslPair: |
| 907 | if (instr->InputAt(2)->IsImmediate()) { |
| 908 | __ LslPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 909 | i.InputRegister(1), i.InputInt32(2)); |
| 910 | } else { |
| 911 | __ LslPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 912 | i.InputRegister(1), kScratchReg, i.InputRegister(2)); |
| 913 | } |
| 914 | break; |
| 915 | case kArmLsrPair: |
| 916 | if (instr->InputAt(2)->IsImmediate()) { |
| 917 | __ LsrPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 918 | i.InputRegister(1), i.InputInt32(2)); |
| 919 | } else { |
| 920 | __ LsrPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 921 | i.InputRegister(1), kScratchReg, i.InputRegister(2)); |
| 922 | } |
| 923 | break; |
| 924 | case kArmAsrPair: |
| 925 | if (instr->InputAt(2)->IsImmediate()) { |
| 926 | __ AsrPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 927 | i.InputRegister(1), i.InputInt32(2)); |
| 928 | } else { |
| 929 | __ AsrPair(i.OutputRegister(0), i.OutputRegister(1), i.InputRegister(0), |
| 930 | i.InputRegister(1), kScratchReg, i.InputRegister(2)); |
| 931 | } |
| 932 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 933 | case kArmVcmpF32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 934 | if (instr->InputAt(1)->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 935 | __ VFPCompareAndSetFlags(i.InputFloatRegister(0), |
| 936 | i.InputFloatRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 937 | } else { |
| 938 | DCHECK(instr->InputAt(1)->IsImmediate()); |
| 939 | // 0.0 is the only immediate supported by vcmp instructions. |
| 940 | DCHECK(i.InputFloat32(1) == 0.0f); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 941 | __ VFPCompareAndSetFlags(i.InputFloatRegister(0), i.InputFloat32(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 942 | } |
| 943 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 944 | break; |
| 945 | case kArmVaddF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 946 | __ vadd(i.OutputFloatRegister(), i.InputFloatRegister(0), |
| 947 | i.InputFloatRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 948 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 949 | break; |
| 950 | case kArmVsubF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 951 | __ vsub(i.OutputFloatRegister(), i.InputFloatRegister(0), |
| 952 | i.InputFloatRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 953 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 954 | break; |
| 955 | case kArmVmulF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 956 | __ vmul(i.OutputFloatRegister(), i.InputFloatRegister(0), |
| 957 | i.InputFloatRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 958 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 959 | break; |
| 960 | case kArmVmlaF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 961 | __ vmla(i.OutputFloatRegister(), i.InputFloatRegister(1), |
| 962 | i.InputFloatRegister(2)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 963 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 964 | break; |
| 965 | case kArmVmlsF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 966 | __ vmls(i.OutputFloatRegister(), i.InputFloatRegister(1), |
| 967 | i.InputFloatRegister(2)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 968 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 969 | break; |
| 970 | case kArmVdivF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 971 | __ vdiv(i.OutputFloatRegister(), i.InputFloatRegister(0), |
| 972 | i.InputFloatRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 973 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 974 | break; |
| 975 | case kArmVsqrtF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 976 | __ vsqrt(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 977 | break; |
| 978 | case kArmVabsF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 979 | __ vabs(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 980 | break; |
| 981 | case kArmVnegF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 982 | __ vneg(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 983 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 984 | case kArmVcmpF64: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 985 | if (instr->InputAt(1)->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 986 | __ VFPCompareAndSetFlags(i.InputDoubleRegister(0), |
| 987 | i.InputDoubleRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 988 | } else { |
| 989 | DCHECK(instr->InputAt(1)->IsImmediate()); |
| 990 | // 0.0 is the only immediate supported by vcmp instructions. |
| 991 | DCHECK(i.InputDouble(1) == 0.0); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 992 | __ VFPCompareAndSetFlags(i.InputDoubleRegister(0), i.InputDouble(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 993 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 994 | DCHECK_EQ(SetCC, i.OutputSBit()); |
| 995 | break; |
| 996 | case kArmVaddF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 997 | __ vadd(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 998 | i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 999 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1000 | break; |
| 1001 | case kArmVsubF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1002 | __ vsub(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1003 | i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1004 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1005 | break; |
| 1006 | case kArmVmulF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1007 | __ vmul(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1008 | i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1009 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1010 | break; |
| 1011 | case kArmVmlaF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1012 | __ vmla(i.OutputDoubleRegister(), i.InputDoubleRegister(1), |
| 1013 | i.InputDoubleRegister(2)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1014 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1015 | break; |
| 1016 | case kArmVmlsF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1017 | __ vmls(i.OutputDoubleRegister(), i.InputDoubleRegister(1), |
| 1018 | i.InputDoubleRegister(2)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1019 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1020 | break; |
| 1021 | case kArmVdivF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1022 | __ vdiv(i.OutputDoubleRegister(), i.InputDoubleRegister(0), |
| 1023 | i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1024 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1025 | break; |
| 1026 | case kArmVmodF64: { |
| 1027 | // TODO(bmeurer): We should really get rid of this special instruction, |
| 1028 | // and generate a CallAddress instruction instead. |
| 1029 | FrameScope scope(masm(), StackFrame::MANUAL); |
| 1030 | __ PrepareCallCFunction(0, 2, kScratchReg); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1031 | __ MovToFloatParameters(i.InputDoubleRegister(0), |
| 1032 | i.InputDoubleRegister(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1033 | __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()), |
| 1034 | 0, 2); |
| 1035 | // Move the result in the double result register. |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1036 | __ MovFromFloatResult(i.OutputDoubleRegister()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1037 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1038 | break; |
| 1039 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1040 | case kArmVsqrtF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1041 | __ vsqrt(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1042 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1043 | case kArmVabsF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1044 | __ vabs(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1045 | break; |
| 1046 | case kArmVnegF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1047 | __ vneg(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1048 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1049 | case kArmVrintmF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1050 | __ vrintm(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1051 | break; |
| 1052 | case kArmVrintmF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1053 | __ vrintm(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1054 | break; |
| 1055 | case kArmVrintpF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1056 | __ vrintp(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1057 | break; |
| 1058 | case kArmVrintpF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1059 | __ vrintp(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1060 | break; |
| 1061 | case kArmVrintzF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1062 | __ vrintz(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1063 | break; |
| 1064 | case kArmVrintzF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1065 | __ vrintz(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1066 | break; |
| 1067 | case kArmVrintaF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1068 | __ vrinta(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1069 | break; |
| 1070 | case kArmVrintnF32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1071 | __ vrintn(i.OutputFloatRegister(), i.InputFloatRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1072 | break; |
| 1073 | case kArmVrintnF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1074 | __ vrintn(i.OutputDoubleRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1075 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1076 | case kArmVcvtF32F64: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1077 | __ vcvt_f32_f64(i.OutputFloatRegister(), i.InputDoubleRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1078 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1079 | break; |
| 1080 | } |
| 1081 | case kArmVcvtF64F32: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1082 | __ vcvt_f64_f32(i.OutputDoubleRegister(), i.InputFloatRegister(0)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1083 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1084 | break; |
| 1085 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1086 | case kArmVcvtF32S32: { |
| 1087 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
| 1088 | __ vmov(scratch, i.InputRegister(0)); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1089 | __ vcvt_f32_s32(i.OutputFloatRegister(), scratch); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1090 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1091 | break; |
| 1092 | } |
| 1093 | case kArmVcvtF32U32: { |
| 1094 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
| 1095 | __ vmov(scratch, i.InputRegister(0)); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1096 | __ vcvt_f32_u32(i.OutputFloatRegister(), scratch); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1097 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1098 | break; |
| 1099 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1100 | case kArmVcvtF64S32: { |
| 1101 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
| 1102 | __ vmov(scratch, i.InputRegister(0)); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1103 | __ vcvt_f64_s32(i.OutputDoubleRegister(), scratch); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1104 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1105 | break; |
| 1106 | } |
| 1107 | case kArmVcvtF64U32: { |
| 1108 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
| 1109 | __ vmov(scratch, i.InputRegister(0)); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1110 | __ vcvt_f64_u32(i.OutputDoubleRegister(), scratch); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1111 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1112 | break; |
| 1113 | } |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1114 | case kArmVcvtS32F32: { |
| 1115 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1116 | __ vcvt_s32_f32(scratch, i.InputFloatRegister(0)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1117 | __ vmov(i.OutputRegister(), scratch); |
| 1118 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1119 | break; |
| 1120 | } |
| 1121 | case kArmVcvtU32F32: { |
| 1122 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1123 | __ vcvt_u32_f32(scratch, i.InputFloatRegister(0)); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1124 | __ vmov(i.OutputRegister(), scratch); |
| 1125 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1126 | break; |
| 1127 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1128 | case kArmVcvtS32F64: { |
| 1129 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1130 | __ vcvt_s32_f64(scratch, i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1131 | __ vmov(i.OutputRegister(), scratch); |
| 1132 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1133 | break; |
| 1134 | } |
| 1135 | case kArmVcvtU32F64: { |
| 1136 | SwVfpRegister scratch = kScratchDoubleReg.low(); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1137 | __ vcvt_u32_f64(scratch, i.InputDoubleRegister(0)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1138 | __ vmov(i.OutputRegister(), scratch); |
| 1139 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1140 | break; |
| 1141 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1142 | case kArmVmovU32F32: |
| 1143 | __ vmov(i.OutputRegister(), i.InputFloatRegister(0)); |
| 1144 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1145 | break; |
| 1146 | case kArmVmovF32U32: |
| 1147 | __ vmov(i.OutputFloatRegister(), i.InputRegister(0)); |
| 1148 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1149 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1150 | case kArmVmovLowU32F64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1151 | __ VmovLow(i.OutputRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1152 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1153 | break; |
| 1154 | case kArmVmovLowF64U32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1155 | __ VmovLow(i.OutputDoubleRegister(), i.InputRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1156 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1157 | break; |
| 1158 | case kArmVmovHighU32F64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1159 | __ VmovHigh(i.OutputRegister(), i.InputDoubleRegister(0)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1160 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1161 | break; |
| 1162 | case kArmVmovHighF64U32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1163 | __ VmovHigh(i.OutputDoubleRegister(), i.InputRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1164 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1165 | break; |
| 1166 | case kArmVmovF64U32U32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1167 | __ vmov(i.OutputDoubleRegister(), i.InputRegister(0), i.InputRegister(1)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1168 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1169 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1170 | case kArmLdrb: |
| 1171 | __ ldrb(i.OutputRegister(), i.InputOffset()); |
| 1172 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1173 | break; |
| 1174 | case kArmLdrsb: |
| 1175 | __ ldrsb(i.OutputRegister(), i.InputOffset()); |
| 1176 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1177 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1178 | case kArmStrb: |
| 1179 | __ strb(i.InputRegister(0), i.InputOffset(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1180 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1181 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1182 | case kArmLdrh: |
| 1183 | __ ldrh(i.OutputRegister(), i.InputOffset()); |
| 1184 | break; |
| 1185 | case kArmLdrsh: |
| 1186 | __ ldrsh(i.OutputRegister(), i.InputOffset()); |
| 1187 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1188 | case kArmStrh: |
| 1189 | __ strh(i.InputRegister(0), i.InputOffset(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1190 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1191 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1192 | case kArmLdr: |
| 1193 | __ ldr(i.OutputRegister(), i.InputOffset()); |
| 1194 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1195 | case kArmStr: |
| 1196 | __ str(i.InputRegister(0), i.InputOffset(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1197 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1198 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1199 | case kArmVldrF32: { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1200 | __ vldr(i.OutputFloatRegister(), i.InputOffset()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1201 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1202 | break; |
| 1203 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1204 | case kArmVstrF32: |
| 1205 | __ vstr(i.InputFloatRegister(0), i.InputOffset(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1206 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1207 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1208 | case kArmVldrF64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1209 | __ vldr(i.OutputDoubleRegister(), i.InputOffset()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1210 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1211 | break; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1212 | case kArmVstrF64: |
| 1213 | __ vstr(i.InputDoubleRegister(0), i.InputOffset(1)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1214 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1215 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1216 | case kArmFloat32Max: { |
| 1217 | CpuFeatureScope scope(masm(), ARMv8); |
| 1218 | // (b < a) ? a : b |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1219 | SwVfpRegister a = i.InputFloatRegister(0); |
| 1220 | SwVfpRegister b = i.InputFloatRegister(1); |
| 1221 | SwVfpRegister result = i.OutputFloatRegister(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1222 | __ VFPCompareAndSetFlags(a, b); |
| 1223 | __ vsel(gt, result, a, b); |
| 1224 | break; |
| 1225 | } |
| 1226 | case kArmFloat32Min: { |
| 1227 | CpuFeatureScope scope(masm(), ARMv8); |
| 1228 | // (a < b) ? a : b |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1229 | SwVfpRegister a = i.InputFloatRegister(0); |
| 1230 | SwVfpRegister b = i.InputFloatRegister(1); |
| 1231 | SwVfpRegister result = i.OutputFloatRegister(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1232 | __ VFPCompareAndSetFlags(b, a); |
| 1233 | __ vsel(gt, result, a, b); |
| 1234 | break; |
| 1235 | } |
| 1236 | case kArmFloat64Max: { |
| 1237 | CpuFeatureScope scope(masm(), ARMv8); |
| 1238 | // (b < a) ? a : b |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1239 | DwVfpRegister a = i.InputDoubleRegister(0); |
| 1240 | DwVfpRegister b = i.InputDoubleRegister(1); |
| 1241 | DwVfpRegister result = i.OutputDoubleRegister(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1242 | __ VFPCompareAndSetFlags(a, b); |
| 1243 | __ vsel(gt, result, a, b); |
| 1244 | break; |
| 1245 | } |
| 1246 | case kArmFloat64Min: { |
| 1247 | CpuFeatureScope scope(masm(), ARMv8); |
| 1248 | // (a < b) ? a : b |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1249 | DwVfpRegister a = i.InputDoubleRegister(0); |
| 1250 | DwVfpRegister b = i.InputDoubleRegister(1); |
| 1251 | DwVfpRegister result = i.OutputDoubleRegister(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1252 | __ VFPCompareAndSetFlags(b, a); |
| 1253 | __ vsel(gt, result, a, b); |
| 1254 | break; |
| 1255 | } |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1256 | case kArmFloat64SilenceNaN: { |
| 1257 | DwVfpRegister value = i.InputDoubleRegister(0); |
| 1258 | DwVfpRegister result = i.OutputDoubleRegister(); |
| 1259 | __ VFPCanonicalizeNaN(result, value); |
| 1260 | break; |
| 1261 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1262 | case kArmPush: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1263 | if (instr->InputAt(0)->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1264 | LocationOperand* op = LocationOperand::cast(instr->InputAt(0)); |
| 1265 | if (op->representation() == MachineRepresentation::kFloat64) { |
| 1266 | __ vpush(i.InputDoubleRegister(0)); |
| 1267 | frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize); |
| 1268 | } else { |
| 1269 | DCHECK_EQ(MachineRepresentation::kFloat32, op->representation()); |
| 1270 | __ vpush(i.InputFloatRegister(0)); |
| 1271 | frame_access_state()->IncreaseSPDelta(1); |
| 1272 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1273 | } else { |
| 1274 | __ push(i.InputRegister(0)); |
| 1275 | frame_access_state()->IncreaseSPDelta(1); |
| 1276 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1277 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1278 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1279 | case kArmPoke: { |
| 1280 | int const slot = MiscField::decode(instr->opcode()); |
| 1281 | __ str(i.InputRegister(0), MemOperand(sp, slot * kPointerSize)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1282 | DCHECK_EQ(LeaveCC, i.OutputSBit()); |
| 1283 | break; |
| 1284 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1285 | case kCheckedLoadInt8: |
| 1286 | ASSEMBLE_CHECKED_LOAD_INTEGER(ldrsb); |
| 1287 | break; |
| 1288 | case kCheckedLoadUint8: |
| 1289 | ASSEMBLE_CHECKED_LOAD_INTEGER(ldrb); |
| 1290 | break; |
| 1291 | case kCheckedLoadInt16: |
| 1292 | ASSEMBLE_CHECKED_LOAD_INTEGER(ldrsh); |
| 1293 | break; |
| 1294 | case kCheckedLoadUint16: |
| 1295 | ASSEMBLE_CHECKED_LOAD_INTEGER(ldrh); |
| 1296 | break; |
| 1297 | case kCheckedLoadWord32: |
| 1298 | ASSEMBLE_CHECKED_LOAD_INTEGER(ldr); |
| 1299 | break; |
| 1300 | case kCheckedLoadFloat32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1301 | ASSEMBLE_CHECKED_LOAD_FP(Float); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1302 | break; |
| 1303 | case kCheckedLoadFloat64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1304 | ASSEMBLE_CHECKED_LOAD_FP(Double); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1305 | break; |
| 1306 | case kCheckedStoreWord8: |
| 1307 | ASSEMBLE_CHECKED_STORE_INTEGER(strb); |
| 1308 | break; |
| 1309 | case kCheckedStoreWord16: |
| 1310 | ASSEMBLE_CHECKED_STORE_INTEGER(strh); |
| 1311 | break; |
| 1312 | case kCheckedStoreWord32: |
| 1313 | ASSEMBLE_CHECKED_STORE_INTEGER(str); |
| 1314 | break; |
| 1315 | case kCheckedStoreFloat32: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1316 | ASSEMBLE_CHECKED_STORE_FP(Float); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1317 | break; |
| 1318 | case kCheckedStoreFloat64: |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1319 | ASSEMBLE_CHECKED_STORE_FP(Double); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1320 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1321 | case kCheckedLoadWord64: |
| 1322 | case kCheckedStoreWord64: |
| 1323 | UNREACHABLE(); // currently unsupported checked int64 load/store. |
| 1324 | break; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1325 | |
| 1326 | case kAtomicLoadInt8: |
| 1327 | ASSEMBLE_ATOMIC_LOAD_INTEGER(ldrsb); |
| 1328 | break; |
| 1329 | case kAtomicLoadUint8: |
| 1330 | ASSEMBLE_ATOMIC_LOAD_INTEGER(ldrb); |
| 1331 | break; |
| 1332 | case kAtomicLoadInt16: |
| 1333 | ASSEMBLE_ATOMIC_LOAD_INTEGER(ldrsh); |
| 1334 | break; |
| 1335 | case kAtomicLoadUint16: |
| 1336 | ASSEMBLE_ATOMIC_LOAD_INTEGER(ldrh); |
| 1337 | break; |
| 1338 | case kAtomicLoadWord32: |
| 1339 | ASSEMBLE_ATOMIC_LOAD_INTEGER(ldr); |
| 1340 | break; |
| 1341 | |
| 1342 | case kAtomicStoreWord8: |
| 1343 | ASSEMBLE_ATOMIC_STORE_INTEGER(strb); |
| 1344 | break; |
| 1345 | case kAtomicStoreWord16: |
| 1346 | ASSEMBLE_ATOMIC_STORE_INTEGER(strh); |
| 1347 | break; |
| 1348 | case kAtomicStoreWord32: |
| 1349 | ASSEMBLE_ATOMIC_STORE_INTEGER(str); |
| 1350 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1351 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1352 | return kSuccess; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1353 | } // NOLINT(readability/fn_size) |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1354 | |
| 1355 | |
| 1356 | // Assembles branches after an instruction. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1357 | void CodeGenerator::AssembleArchBranch(Instruction* instr, BranchInfo* branch) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1358 | ArmOperandConverter i(this, instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1359 | Label* tlabel = branch->true_label; |
| 1360 | Label* flabel = branch->false_label; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1361 | Condition cc = FlagsConditionToCondition(branch->condition); |
| 1362 | __ b(cc, tlabel); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1363 | if (!branch->fallthru) __ b(flabel); // no fallthru to flabel. |
| 1364 | } |
| 1365 | |
| 1366 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1367 | void CodeGenerator::AssembleArchJump(RpoNumber target) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1368 | if (!IsNextInAssemblyOrder(target)) __ b(GetLabel(target)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1369 | } |
| 1370 | |
| 1371 | |
| 1372 | // Assembles boolean materializations after an instruction. |
| 1373 | void CodeGenerator::AssembleArchBoolean(Instruction* instr, |
| 1374 | FlagsCondition condition) { |
| 1375 | ArmOperandConverter i(this, instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1376 | |
| 1377 | // Materialize a full 32-bit 1 or 0 value. The result register is always the |
| 1378 | // last output of the instruction. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1379 | DCHECK_NE(0u, instr->OutputCount()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1380 | Register reg = i.OutputRegister(instr->OutputCount() - 1); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1381 | Condition cc = FlagsConditionToCondition(condition); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1382 | __ mov(reg, Operand(0)); |
| 1383 | __ mov(reg, Operand(1), LeaveCC, cc); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1387 | void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) { |
| 1388 | ArmOperandConverter i(this, instr); |
| 1389 | Register input = i.InputRegister(0); |
| 1390 | for (size_t index = 2; index < instr->InputCount(); index += 2) { |
| 1391 | __ cmp(input, Operand(i.InputInt32(index + 0))); |
| 1392 | __ b(eq, GetLabel(i.InputRpo(index + 1))); |
| 1393 | } |
| 1394 | AssembleArchJump(i.InputRpo(1)); |
| 1395 | } |
| 1396 | |
| 1397 | |
| 1398 | void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { |
| 1399 | ArmOperandConverter i(this, instr); |
| 1400 | Register input = i.InputRegister(0); |
| 1401 | size_t const case_count = instr->InputCount() - 2; |
| 1402 | // Ensure to emit the constant pool first if necessary. |
| 1403 | __ CheckConstPool(true, true); |
| 1404 | __ cmp(input, Operand(case_count)); |
| 1405 | __ BlockConstPoolFor(case_count + 2); |
| 1406 | __ add(pc, pc, Operand(input, LSL, 2), LeaveCC, lo); |
| 1407 | __ b(GetLabel(i.InputRpo(1))); |
| 1408 | for (size_t index = 0; index < case_count; ++index) { |
| 1409 | __ b(GetLabel(i.InputRpo(index + 2))); |
| 1410 | } |
| 1411 | } |
| 1412 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1413 | CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1414 | int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1415 | Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1416 | isolate(), deoptimization_id, bailout_type); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1417 | // TODO(turbofan): We should be able to generate better code by sharing the |
| 1418 | // actual final call site and just bl'ing to it here, similar to what we do |
| 1419 | // in the lithium backend. |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1420 | if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1421 | __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1422 | __ CheckConstPool(false, false); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1423 | return kSuccess; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1426 | void CodeGenerator::FinishFrame(Frame* frame) { |
| 1427 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1428 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1429 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1430 | if (saves_fp != 0) { |
| 1431 | frame->AlignSavedCalleeRegisterSlots(); |
| 1432 | } |
| 1433 | |
| 1434 | if (saves_fp != 0) { |
| 1435 | // Save callee-saved FP registers. |
| 1436 | STATIC_ASSERT(DwVfpRegister::kMaxNumRegisters == 32); |
| 1437 | uint32_t last = base::bits::CountLeadingZeros32(saves_fp) - 1; |
| 1438 | uint32_t first = base::bits::CountTrailingZeros32(saves_fp); |
| 1439 | DCHECK_EQ((last - first + 1), base::bits::CountPopulation32(saves_fp)); |
| 1440 | frame->AllocateSavedCalleeRegisterSlots((last - first + 1) * |
| 1441 | (kDoubleSize / kPointerSize)); |
| 1442 | } |
| 1443 | const RegList saves = FLAG_enable_embedded_constant_pool |
| 1444 | ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) |
| 1445 | : descriptor->CalleeSavedRegisters(); |
| 1446 | if (saves != 0) { |
| 1447 | // Save callee-saved registers. |
| 1448 | frame->AllocateSavedCalleeRegisterSlots( |
| 1449 | base::bits::CountPopulation32(saves)); |
| 1450 | } |
| 1451 | } |
| 1452 | |
| 1453 | void CodeGenerator::AssembleConstructFrame() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1454 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1455 | if (frame_access_state()->has_frame()) { |
| 1456 | if (descriptor->IsCFunctionCall()) { |
| 1457 | if (FLAG_enable_embedded_constant_pool) { |
| 1458 | __ Push(lr, fp, pp); |
| 1459 | // Adjust FP to point to saved FP. |
| 1460 | __ sub(fp, sp, Operand(StandardFrameConstants::kConstantPoolOffset)); |
| 1461 | } else { |
| 1462 | __ Push(lr, fp); |
| 1463 | __ mov(fp, sp); |
| 1464 | } |
| 1465 | } else if (descriptor->IsJSFunctionCall()) { |
| 1466 | __ Prologue(this->info()->GeneratePreagedPrologue()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1467 | } else { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1468 | __ StubPrologue(info()->GetOutputStackFrameType()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1469 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1470 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1471 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1472 | int shrink_slots = frame()->GetSpillSlotCount(); |
| 1473 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1474 | if (info()->is_osr()) { |
| 1475 | // TurboFan OSR-compiled functions cannot be entered directly. |
| 1476 | __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1477 | |
| 1478 | // Unoptimized code jumps directly to this entrypoint while the unoptimized |
| 1479 | // frame is still on the stack. Optimized code uses OSR values directly from |
| 1480 | // the unoptimized frame. Thus, all that needs to be done is to allocate the |
| 1481 | // remaining stack slots. |
| 1482 | if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --"); |
| 1483 | osr_pc_offset_ = __ pc_offset(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1484 | shrink_slots -= OsrHelper(info()).UnoptimizedFrameSlots(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1485 | } |
| 1486 | |
| 1487 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1488 | if (shrink_slots > 0) { |
| 1489 | __ sub(sp, sp, Operand(shrink_slots * kPointerSize)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1490 | } |
| 1491 | |
| 1492 | if (saves_fp != 0) { |
| 1493 | // Save callee-saved FP registers. |
| 1494 | STATIC_ASSERT(DwVfpRegister::kMaxNumRegisters == 32); |
| 1495 | uint32_t last = base::bits::CountLeadingZeros32(saves_fp) - 1; |
| 1496 | uint32_t first = base::bits::CountTrailingZeros32(saves_fp); |
| 1497 | DCHECK_EQ((last - first + 1), base::bits::CountPopulation32(saves_fp)); |
| 1498 | __ vstm(db_w, sp, DwVfpRegister::from_code(first), |
| 1499 | DwVfpRegister::from_code(last)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1500 | } |
| 1501 | const RegList saves = FLAG_enable_embedded_constant_pool |
| 1502 | ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) |
| 1503 | : descriptor->CalleeSavedRegisters(); |
| 1504 | if (saves != 0) { |
| 1505 | // Save callee-saved registers. |
| 1506 | __ stm(db_w, sp, saves); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1507 | } |
| 1508 | } |
| 1509 | |
| 1510 | |
| 1511 | void CodeGenerator::AssembleReturn() { |
| 1512 | CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1513 | int pop_count = static_cast<int>(descriptor->StackParameterCount()); |
| 1514 | |
| 1515 | // Restore registers. |
| 1516 | const RegList saves = FLAG_enable_embedded_constant_pool |
| 1517 | ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) |
| 1518 | : descriptor->CalleeSavedRegisters(); |
| 1519 | if (saves != 0) { |
| 1520 | __ ldm(ia_w, sp, saves); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1521 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1522 | |
| 1523 | // Restore FP registers. |
| 1524 | const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1525 | if (saves_fp != 0) { |
| 1526 | STATIC_ASSERT(DwVfpRegister::kMaxNumRegisters == 32); |
| 1527 | uint32_t last = base::bits::CountLeadingZeros32(saves_fp) - 1; |
| 1528 | uint32_t first = base::bits::CountTrailingZeros32(saves_fp); |
| 1529 | __ vldm(ia_w, sp, DwVfpRegister::from_code(first), |
| 1530 | DwVfpRegister::from_code(last)); |
| 1531 | } |
| 1532 | |
| 1533 | if (descriptor->IsCFunctionCall()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1534 | AssembleDeconstructFrame(); |
| 1535 | } else if (frame_access_state()->has_frame()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1536 | // Canonicalize JSFunction return sites for now. |
| 1537 | if (return_label_.is_bound()) { |
| 1538 | __ b(&return_label_); |
| 1539 | return; |
| 1540 | } else { |
| 1541 | __ bind(&return_label_); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1542 | AssembleDeconstructFrame(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1543 | } |
| 1544 | } |
| 1545 | __ Ret(pop_count); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1546 | } |
| 1547 | |
| 1548 | |
| 1549 | void CodeGenerator::AssembleMove(InstructionOperand* source, |
| 1550 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1551 | ArmOperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1552 | // Dispatch on the source and destination operand kinds. Not all |
| 1553 | // combinations are possible. |
| 1554 | if (source->IsRegister()) { |
| 1555 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1556 | Register src = g.ToRegister(source); |
| 1557 | if (destination->IsRegister()) { |
| 1558 | __ mov(g.ToRegister(destination), src); |
| 1559 | } else { |
| 1560 | __ str(src, g.ToMemOperand(destination)); |
| 1561 | } |
| 1562 | } else if (source->IsStackSlot()) { |
| 1563 | DCHECK(destination->IsRegister() || destination->IsStackSlot()); |
| 1564 | MemOperand src = g.ToMemOperand(source); |
| 1565 | if (destination->IsRegister()) { |
| 1566 | __ ldr(g.ToRegister(destination), src); |
| 1567 | } else { |
| 1568 | Register temp = kScratchReg; |
| 1569 | __ ldr(temp, src); |
| 1570 | __ str(temp, g.ToMemOperand(destination)); |
| 1571 | } |
| 1572 | } else if (source->IsConstant()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1573 | Constant src = g.ToConstant(source); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1574 | if (destination->IsRegister() || destination->IsStackSlot()) { |
| 1575 | Register dst = |
| 1576 | destination->IsRegister() ? g.ToRegister(destination) : kScratchReg; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1577 | switch (src.type()) { |
| 1578 | case Constant::kInt32: |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1579 | if (src.rmode() == RelocInfo::WASM_MEMORY_REFERENCE || |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1580 | src.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE || |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1581 | src.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE) { |
| 1582 | __ mov(dst, Operand(src.ToInt32(), src.rmode())); |
| 1583 | } else { |
| 1584 | __ mov(dst, Operand(src.ToInt32())); |
| 1585 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1586 | break; |
| 1587 | case Constant::kInt64: |
| 1588 | UNREACHABLE(); |
| 1589 | break; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1590 | case Constant::kFloat32: |
| 1591 | __ Move(dst, |
| 1592 | isolate()->factory()->NewNumber(src.ToFloat32(), TENURED)); |
| 1593 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1594 | case Constant::kFloat64: |
| 1595 | __ Move(dst, |
| 1596 | isolate()->factory()->NewNumber(src.ToFloat64(), TENURED)); |
| 1597 | break; |
| 1598 | case Constant::kExternalReference: |
| 1599 | __ mov(dst, Operand(src.ToExternalReference())); |
| 1600 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1601 | case Constant::kHeapObject: { |
| 1602 | Handle<HeapObject> src_object = src.ToHeapObject(); |
| 1603 | Heap::RootListIndex index; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1604 | int slot; |
| 1605 | if (IsMaterializableFromFrame(src_object, &slot)) { |
| 1606 | __ ldr(dst, g.SlotToMemOperand(slot)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1607 | } else if (IsMaterializableFromRoot(src_object, &index)) { |
| 1608 | __ LoadRoot(dst, index); |
| 1609 | } else { |
| 1610 | __ Move(dst, src_object); |
| 1611 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1612 | break; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1613 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1614 | case Constant::kRpoNumber: |
| 1615 | UNREACHABLE(); // TODO(dcarney): loading RPO constants on arm. |
| 1616 | break; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1617 | } |
| 1618 | if (destination->IsStackSlot()) __ str(dst, g.ToMemOperand(destination)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1619 | } else if (src.type() == Constant::kFloat32) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1620 | if (destination->IsFPStackSlot()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1621 | MemOperand dst = g.ToMemOperand(destination); |
| 1622 | __ mov(ip, Operand(bit_cast<int32_t>(src.ToFloat32()))); |
| 1623 | __ str(ip, dst); |
| 1624 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1625 | SwVfpRegister dst = g.ToFloatRegister(destination); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1626 | __ vmov(dst, src.ToFloat32()); |
| 1627 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1628 | } else { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1629 | DCHECK_EQ(Constant::kFloat64, src.type()); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1630 | DwVfpRegister dst = destination->IsFPRegister() |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1631 | ? g.ToDoubleRegister(destination) |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1632 | : kScratchDoubleReg; |
| 1633 | __ vmov(dst, src.ToFloat64(), kScratchReg); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1634 | if (destination->IsFPStackSlot()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1635 | __ vstr(dst, g.ToMemOperand(destination)); |
| 1636 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1637 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1638 | } else if (source->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1639 | MachineRepresentation rep = LocationOperand::cast(source)->representation(); |
| 1640 | if (rep == MachineRepresentation::kFloat64) { |
| 1641 | DwVfpRegister src = g.ToDoubleRegister(source); |
| 1642 | if (destination->IsFPRegister()) { |
| 1643 | DwVfpRegister dst = g.ToDoubleRegister(destination); |
| 1644 | __ Move(dst, src); |
| 1645 | } else { |
| 1646 | DCHECK(destination->IsFPStackSlot()); |
| 1647 | __ vstr(src, g.ToMemOperand(destination)); |
| 1648 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1649 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1650 | DCHECK_EQ(MachineRepresentation::kFloat32, rep); |
| 1651 | SwVfpRegister src = g.ToFloatRegister(source); |
| 1652 | if (destination->IsFPRegister()) { |
| 1653 | SwVfpRegister dst = g.ToFloatRegister(destination); |
| 1654 | __ Move(dst, src); |
| 1655 | } else { |
| 1656 | DCHECK(destination->IsFPStackSlot()); |
| 1657 | __ vstr(src, g.ToMemOperand(destination)); |
| 1658 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1659 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1660 | } else if (source->IsFPStackSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1661 | MemOperand src = g.ToMemOperand(source); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1662 | MachineRepresentation rep = |
| 1663 | LocationOperand::cast(destination)->representation(); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1664 | if (destination->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1665 | if (rep == MachineRepresentation::kFloat64) { |
| 1666 | __ vldr(g.ToDoubleRegister(destination), src); |
| 1667 | } else { |
| 1668 | DCHECK_EQ(MachineRepresentation::kFloat32, rep); |
| 1669 | __ vldr(g.ToFloatRegister(destination), src); |
| 1670 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1671 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1672 | DCHECK(destination->IsFPStackSlot()); |
| 1673 | if (rep == MachineRepresentation::kFloat64) { |
| 1674 | DwVfpRegister temp = kScratchDoubleReg; |
| 1675 | __ vldr(temp, src); |
| 1676 | __ vstr(temp, g.ToMemOperand(destination)); |
| 1677 | } else { |
| 1678 | DCHECK_EQ(MachineRepresentation::kFloat32, rep); |
| 1679 | SwVfpRegister temp = kScratchDoubleReg.low(); |
| 1680 | __ vldr(temp, src); |
| 1681 | __ vstr(temp, g.ToMemOperand(destination)); |
| 1682 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1683 | } |
| 1684 | } else { |
| 1685 | UNREACHABLE(); |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | |
| 1690 | void CodeGenerator::AssembleSwap(InstructionOperand* source, |
| 1691 | InstructionOperand* destination) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1692 | ArmOperandConverter g(this, nullptr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1693 | // Dispatch on the source and destination operand kinds. Not all |
| 1694 | // combinations are possible. |
| 1695 | if (source->IsRegister()) { |
| 1696 | // Register-register. |
| 1697 | Register temp = kScratchReg; |
| 1698 | Register src = g.ToRegister(source); |
| 1699 | if (destination->IsRegister()) { |
| 1700 | Register dst = g.ToRegister(destination); |
| 1701 | __ Move(temp, src); |
| 1702 | __ Move(src, dst); |
| 1703 | __ Move(dst, temp); |
| 1704 | } else { |
| 1705 | DCHECK(destination->IsStackSlot()); |
| 1706 | MemOperand dst = g.ToMemOperand(destination); |
| 1707 | __ mov(temp, src); |
| 1708 | __ ldr(src, dst); |
| 1709 | __ str(temp, dst); |
| 1710 | } |
| 1711 | } else if (source->IsStackSlot()) { |
| 1712 | DCHECK(destination->IsStackSlot()); |
| 1713 | Register temp_0 = kScratchReg; |
| 1714 | SwVfpRegister temp_1 = kScratchDoubleReg.low(); |
| 1715 | MemOperand src = g.ToMemOperand(source); |
| 1716 | MemOperand dst = g.ToMemOperand(destination); |
| 1717 | __ ldr(temp_0, src); |
| 1718 | __ vldr(temp_1, dst); |
| 1719 | __ str(temp_0, dst); |
| 1720 | __ vstr(temp_1, src); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1721 | } else if (source->IsFPRegister()) { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1722 | MachineRepresentation rep = LocationOperand::cast(source)->representation(); |
| 1723 | LowDwVfpRegister temp = kScratchDoubleReg; |
| 1724 | if (rep == MachineRepresentation::kFloat64) { |
| 1725 | DwVfpRegister src = g.ToDoubleRegister(source); |
| 1726 | if (destination->IsFPRegister()) { |
| 1727 | DwVfpRegister dst = g.ToDoubleRegister(destination); |
| 1728 | __ Move(temp, src); |
| 1729 | __ Move(src, dst); |
| 1730 | __ Move(dst, temp); |
| 1731 | } else { |
| 1732 | DCHECK(destination->IsFPStackSlot()); |
| 1733 | MemOperand dst = g.ToMemOperand(destination); |
| 1734 | __ Move(temp, src); |
| 1735 | __ vldr(src, dst); |
| 1736 | __ vstr(temp, dst); |
| 1737 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1738 | } else { |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1739 | DCHECK_EQ(MachineRepresentation::kFloat32, rep); |
| 1740 | SwVfpRegister src = g.ToFloatRegister(source); |
| 1741 | if (destination->IsFPRegister()) { |
| 1742 | SwVfpRegister dst = g.ToFloatRegister(destination); |
| 1743 | __ Move(temp.low(), src); |
| 1744 | __ Move(src, dst); |
| 1745 | __ Move(dst, temp.low()); |
| 1746 | } else { |
| 1747 | DCHECK(destination->IsFPStackSlot()); |
| 1748 | MemOperand dst = g.ToMemOperand(destination); |
| 1749 | __ Move(temp.low(), src); |
| 1750 | __ vldr(src, dst); |
| 1751 | __ vstr(temp.low(), dst); |
| 1752 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1753 | } |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1754 | } else if (source->IsFPStackSlot()) { |
| 1755 | DCHECK(destination->IsFPStackSlot()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1756 | Register temp_0 = kScratchReg; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1757 | LowDwVfpRegister temp_1 = kScratchDoubleReg; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1758 | MemOperand src0 = g.ToMemOperand(source); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1759 | MemOperand dst0 = g.ToMemOperand(destination); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1760 | MachineRepresentation rep = LocationOperand::cast(source)->representation(); |
| 1761 | if (rep == MachineRepresentation::kFloat64) { |
| 1762 | MemOperand src1(src0.rn(), src0.offset() + kPointerSize); |
| 1763 | MemOperand dst1(dst0.rn(), dst0.offset() + kPointerSize); |
| 1764 | __ vldr(temp_1, dst0); // Save destination in temp_1. |
| 1765 | __ ldr(temp_0, src0); // Then use temp_0 to copy source to destination. |
| 1766 | __ str(temp_0, dst0); |
| 1767 | __ ldr(temp_0, src1); |
| 1768 | __ str(temp_0, dst1); |
| 1769 | __ vstr(temp_1, src0); |
| 1770 | } else { |
| 1771 | DCHECK_EQ(MachineRepresentation::kFloat32, rep); |
| 1772 | __ vldr(temp_1.low(), dst0); // Save destination in temp_1. |
| 1773 | __ ldr(temp_0, src0); // Then use temp_0 to copy source to destination. |
| 1774 | __ str(temp_0, dst0); |
| 1775 | __ vstr(temp_1.low(), src0); |
| 1776 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1777 | } else { |
| 1778 | // No other combinations are possible. |
| 1779 | UNREACHABLE(); |
| 1780 | } |
| 1781 | } |
| 1782 | |
| 1783 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1784 | void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) { |
| 1785 | // On 32-bit ARM we emit the jump tables inline. |
| 1786 | UNREACHABLE(); |
| 1787 | } |
| 1788 | |
| 1789 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1790 | void CodeGenerator::EnsureSpaceForLazyDeopt() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1791 | if (!info()->ShouldEnsureSpaceForLazyDeopt()) { |
| 1792 | return; |
| 1793 | } |
| 1794 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1795 | int space_needed = Deoptimizer::patch_size(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1796 | // Ensure that we have enough space after the previous lazy-bailout |
| 1797 | // instruction for patching the code here. |
| 1798 | int current_pc = masm()->pc_offset(); |
| 1799 | if (current_pc < last_lazy_deopt_pc_ + space_needed) { |
| 1800 | // Block literal pool emission for duration of padding. |
| 1801 | v8::internal::Assembler::BlockConstPoolScope block_const_pool(masm()); |
| 1802 | int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 1803 | DCHECK_EQ(0, padding_size % v8::internal::Assembler::kInstrSize); |
| 1804 | while (padding_size > 0) { |
| 1805 | __ nop(); |
| 1806 | padding_size -= v8::internal::Assembler::kInstrSize; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1807 | } |
| 1808 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1809 | } |
| 1810 | |
| 1811 | #undef __ |
| 1812 | |
| 1813 | } // namespace compiler |
| 1814 | } // namespace internal |
| 1815 | } // namespace v8 |