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Issue 2302923002: [stubs] Port ToName stub to TurboFan. (Closed)
Patch Set: Addressed nits. Created 4 years, 3 months ago
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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 #if V8_TARGET_ARCH_MIPS 5 #if V8_TARGET_ARCH_MIPS
6 6
7 #include "src/code-stubs.h" 7 #include "src/code-stubs.h"
8 #include "src/api-arguments.h" 8 #include "src/api-arguments.h"
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
(...skipping 2511 matching lines...) Expand 10 before | Expand all | Expand 10 after
2522 __ Branch(&not_oddball, ne, a1, Operand(ODDBALL_TYPE)); 2522 __ Branch(&not_oddball, ne, a1, Operand(ODDBALL_TYPE));
2523 __ Ret(USE_DELAY_SLOT); 2523 __ Ret(USE_DELAY_SLOT);
2524 __ lw(v0, FieldMemOperand(a0, Oddball::kToStringOffset)); 2524 __ lw(v0, FieldMemOperand(a0, Oddball::kToStringOffset));
2525 __ bind(&not_oddball); 2525 __ bind(&not_oddball);
2526 2526
2527 __ push(a0); // Push argument. 2527 __ push(a0); // Push argument.
2528 __ TailCallRuntime(Runtime::kToString); 2528 __ TailCallRuntime(Runtime::kToString);
2529 } 2529 }
2530 2530
2531 2531
2532 void ToNameStub::Generate(MacroAssembler* masm) {
2533 // The ToName stub takes on argument in a0.
2534 Label is_number;
2535 __ JumpIfSmi(a0, &is_number);
2536
2537 Label not_name;
2538 STATIC_ASSERT(FIRST_NAME_TYPE == FIRST_TYPE);
2539 __ GetObjectType(a0, a1, a1);
2540 // a0: receiver
2541 // a1: receiver instance type
2542 __ Branch(&not_name, gt, a1, Operand(LAST_NAME_TYPE));
2543 __ Ret(USE_DELAY_SLOT);
2544 __ mov(v0, a0);
2545 __ bind(&not_name);
2546
2547 Label not_heap_number;
2548 __ Branch(&not_heap_number, ne, a1, Operand(HEAP_NUMBER_TYPE));
2549 __ bind(&is_number);
2550 NumberToStringStub stub(isolate());
2551 __ TailCallStub(&stub);
2552 __ bind(&not_heap_number);
2553
2554 Label not_oddball;
2555 __ Branch(&not_oddball, ne, a1, Operand(ODDBALL_TYPE));
2556 __ Ret(USE_DELAY_SLOT);
2557 __ lw(v0, FieldMemOperand(a0, Oddball::kToStringOffset));
2558 __ bind(&not_oddball);
2559
2560 __ push(a0); // Push argument.
2561 __ TailCallRuntime(Runtime::kToName);
2562 }
2563
2564
2565 void StringHelper::GenerateFlatOneByteStringEquals( 2532 void StringHelper::GenerateFlatOneByteStringEquals(
2566 MacroAssembler* masm, Register left, Register right, Register scratch1, 2533 MacroAssembler* masm, Register left, Register right, Register scratch1,
2567 Register scratch2, Register scratch3) { 2534 Register scratch2, Register scratch3) {
2568 Register length = scratch1; 2535 Register length = scratch1;
2569 2536
2570 // Compare lengths. 2537 // Compare lengths.
2571 Label strings_not_equal, check_zero_length; 2538 Label strings_not_equal, check_zero_length;
2572 __ lw(length, FieldMemOperand(left, String::kLengthOffset)); 2539 __ lw(length, FieldMemOperand(left, String::kLengthOffset));
2573 __ lw(scratch2, FieldMemOperand(right, String::kLengthOffset)); 2540 __ lw(scratch2, FieldMemOperand(right, String::kLengthOffset));
2574 __ Branch(&check_zero_length, eq, length, Operand(scratch2)); 2541 __ Branch(&check_zero_length, eq, length, Operand(scratch2));
(...skipping 2828 matching lines...) Expand 10 before | Expand all | Expand 10 after
5403 kStackUnwindSpace, kInvalidStackOffset, 5370 kStackUnwindSpace, kInvalidStackOffset,
5404 return_value_operand, NULL); 5371 return_value_operand, NULL);
5405 } 5372 }
5406 5373
5407 #undef __ 5374 #undef __
5408 5375
5409 } // namespace internal 5376 } // namespace internal
5410 } // namespace v8 5377 } // namespace v8
5411 5378
5412 #endif // V8_TARGET_ARCH_MIPS 5379 #endif // V8_TARGET_ARCH_MIPS
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