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Side by Side Diff: src/compiler/arm64/code-generator-arm64.cc

Issue 1483053002: [turbofan] Use macros for sp manipulation during tail call on arm64 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/arm64/frames-arm64.h" 7 #include "src/arm64/frames-arm64.h"
8 #include "src/arm64/macro-assembler-arm64.h" 8 #include "src/arm64/macro-assembler-arm64.h"
9 #include "src/ast/scopes.h" 9 #include "src/ast/scopes.h"
10 #include "src/compiler/code-generator-impl.h" 10 #include "src/compiler/code-generator-impl.h"
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455 static_cast<uint32_t>(i.InputOperand##width(1).ImmediateValue()); \ 455 static_cast<uint32_t>(i.InputOperand##width(1).ImmediateValue()); \
456 __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), \ 456 __ asm_instr(i.OutputRegister##width(), i.InputRegister##width(0), \
457 imm % (width)); \ 457 imm % (width)); \
458 } \ 458 } \
459 } while (0) 459 } while (0)
460 460
461 461
462 void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { 462 void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) {
463 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); 463 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta);
464 if (sp_slot_delta > 0) { 464 if (sp_slot_delta > 0) {
465 __ Add(jssp, jssp, Operand(sp_slot_delta * kPointerSize)); 465 __ Drop(sp_slot_delta);
466 } 466 }
467 frame_access_state()->SetFrameAccessToDefault(); 467 frame_access_state()->SetFrameAccessToDefault();
468 } 468 }
469 469
470 470
471 void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) { 471 void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) {
472 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); 472 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta);
473 if (sp_slot_delta < 0) { 473 if (sp_slot_delta < 0) {
474 __ Sub(jssp, jssp, Operand(-sp_slot_delta * kPointerSize)); 474 __ Claim(-sp_slot_delta);
475 frame_access_state()->IncreaseSPDelta(-sp_slot_delta); 475 frame_access_state()->IncreaseSPDelta(-sp_slot_delta);
476 } 476 }
477 if (frame()->needs_frame()) { 477 if (frame()->needs_frame()) {
478 __ Ldr(lr, MemOperand(fp, StandardFrameConstants::kCallerPCOffset)); 478 __ Ldr(lr, MemOperand(fp, StandardFrameConstants::kCallerPCOffset));
479 __ Ldr(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); 479 __ Ldr(fp, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
480 } 480 }
481 frame_access_state()->SetFrameAccessToSP(); 481 frame_access_state()->SetFrameAccessToSP();
482 } 482 }
483 483
484 484
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1565 padding_size -= kInstructionSize; 1565 padding_size -= kInstructionSize;
1566 } 1566 }
1567 } 1567 }
1568 } 1568 }
1569 1569
1570 #undef __ 1570 #undef __
1571 1571
1572 } // namespace compiler 1572 } // namespace compiler
1573 } // namespace internal 1573 } // namespace internal
1574 } // namespace v8 1574 } // namespace v8
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