Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(493)

Side by Side Diff: src/ia32/builtins-ia32.cc

Issue 867153003: new classes: special construct stub for derived classs and TDZ for `this`. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: CHECK_OK fixed Created 5 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/globals.h ('k') | src/ia32/full-codegen-ia32.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
(...skipping 482 matching lines...) Expand 10 before | Expand all | Expand 10 after
493 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) { 493 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
494 Generate_JSConstructStubHelper(masm, false, FLAG_pretenuring_call_new); 494 Generate_JSConstructStubHelper(masm, false, FLAG_pretenuring_call_new);
495 } 495 }
496 496
497 497
498 void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) { 498 void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) {
499 Generate_JSConstructStubHelper(masm, true, false); 499 Generate_JSConstructStubHelper(masm, true, false);
500 } 500 }
501 501
502 502
503 void Builtins::Generate_JSConstructStubForDerived(MacroAssembler* masm) {
504 // ----------- S t a t e -------------
505 // -- eax: number of arguments
506 // -- edi: constructor function
507 // -- ebx: allocation site or undefined
508 // -- edx: original constructor
509 // -----------------------------------
510
511 // TODO(dslomov): support pretenuring
512 CHECK(!FLAG_pretenuring_call_new);
513
514 {
515 FrameScope frame_scope(masm, StackFrame::CONSTRUCT);
516
517 // Preserve actual arguments count.
518 __ SmiTag(eax);
519 __ push(eax);
520 __ SmiUntag(eax);
521
522 // receiver is the hole.
523 __ push(Immediate(masm->isolate()->factory()->the_hole_value()));
524
525 // Set up pointer to last argument.
526 __ lea(ebx, Operand(ebp, StandardFrameConstants::kCallerSPOffset));
527
528 // Copy arguments and receiver to the expression stack.
529 Label loop, entry;
530 __ mov(ecx, eax);
531 __ jmp(&entry);
532 __ bind(&loop);
533 __ push(Operand(ebx, ecx, times_4, 0));
534 __ bind(&entry);
535 __ dec(ecx);
536 __ j(greater_equal, &loop);
537
538 ParameterCount actual(eax);
539 __ InvokeFunction(edi, actual, CALL_FUNCTION, NullCallWrapper());
540
541 // Restore context from the frame.
542 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
543
544 __ mov(ebx, Operand(esp, 0));
545 }
546
547 __ pop(ecx); // Return address.
548 __ lea(esp, Operand(esp, ebx, times_2, 1 * kPointerSize));
549 __ push(ecx);
550 __ ret(0);
551 }
552
553
503 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm, 554 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
504 bool is_construct) { 555 bool is_construct) {
505 ProfileEntryHookStub::MaybeCallEntryHook(masm); 556 ProfileEntryHookStub::MaybeCallEntryHook(masm);
506 557
507 // Clear the context before we push it when entering the internal frame. 558 // Clear the context before we push it when entering the internal frame.
508 __ Move(esi, Immediate(0)); 559 __ Move(esi, Immediate(0));
509 560
510 { 561 {
511 FrameScope scope(masm, StackFrame::INTERNAL); 562 FrameScope scope(masm, StackFrame::INTERNAL);
512 563
(...skipping 961 matching lines...) Expand 10 before | Expand all | Expand 10 after
1474 1525
1475 __ bind(&ok); 1526 __ bind(&ok);
1476 __ ret(0); 1527 __ ret(0);
1477 } 1528 }
1478 1529
1479 #undef __ 1530 #undef __
1480 } 1531 }
1481 } // namespace v8::internal 1532 } // namespace v8::internal
1482 1533
1483 #endif // V8_TARGET_ARCH_IA32 1534 #endif // V8_TARGET_ARCH_IA32
OLDNEW
« no previous file with comments | « src/globals.h ('k') | src/ia32/full-codegen-ia32.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698