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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 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/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/compiler/code-generator-impl.h" | 8 #include "src/compiler/code-generator-impl.h" |
9 #include "src/compiler/gap-resolver.h" | 9 #include "src/compiler/gap-resolver.h" |
10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
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499 Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); | 499 Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0)); |
500 __ jmp(code, RelocInfo::CODE_TARGET); | 500 __ jmp(code, RelocInfo::CODE_TARGET); |
501 } else { | 501 } else { |
502 Register reg = i.InputRegister(0); | 502 Register reg = i.InputRegister(0); |
503 __ add(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); | 503 __ add(reg, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
504 __ jmp(reg); | 504 __ jmp(reg); |
505 } | 505 } |
506 frame_access_state()->ClearSPDelta(); | 506 frame_access_state()->ClearSPDelta(); |
507 break; | 507 break; |
508 } | 508 } |
| 509 case kArchTailCallAddress: { |
| 510 int stack_param_delta = i.InputInt32(instr->InputCount() - 1); |
| 511 AssembleDeconstructActivationRecord(stack_param_delta); |
| 512 CHECK(!HasImmediateInput(instr, 0)); |
| 513 Register reg = i.InputRegister(0); |
| 514 __ jmp(reg); |
| 515 frame_access_state()->ClearSPDelta(); |
| 516 break; |
| 517 } |
509 case kArchCallJSFunction: { | 518 case kArchCallJSFunction: { |
510 EnsureSpaceForLazyDeopt(); | 519 EnsureSpaceForLazyDeopt(); |
511 Register func = i.InputRegister(0); | 520 Register func = i.InputRegister(0); |
512 if (FLAG_debug_code) { | 521 if (FLAG_debug_code) { |
513 // Check the function's context matches the context argument. | 522 // Check the function's context matches the context argument. |
514 __ cmp(esi, FieldOperand(func, JSFunction::kContextOffset)); | 523 __ cmp(esi, FieldOperand(func, JSFunction::kContextOffset)); |
515 __ Assert(equal, kWrongFunctionContext); | 524 __ Assert(equal, kWrongFunctionContext); |
516 } | 525 } |
517 if (FLAG_debug_code && FLAG_enable_slow_asserts) { | 526 if (FLAG_debug_code && FLAG_enable_slow_asserts) { |
518 __ VerifyX87StackDepth(1); | 527 __ VerifyX87StackDepth(1); |
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2444 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; | 2453 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
2445 __ Nop(padding_size); | 2454 __ Nop(padding_size); |
2446 } | 2455 } |
2447 } | 2456 } |
2448 | 2457 |
2449 #undef __ | 2458 #undef __ |
2450 | 2459 |
2451 } // namespace compiler | 2460 } // namespace compiler |
2452 } // namespace internal | 2461 } // namespace internal |
2453 } // namespace v8 | 2462 } // namespace v8 |
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