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Issue 2427673004: [intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex. (Closed)
Patch Set: Created 4 years, 2 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_X87 5 #if V8_TARGET_ARCH_X87
6 6
7 #include "src/crankshaft/x87/lithium-codegen-x87.h" 7 #include "src/crankshaft/x87/lithium-codegen-x87.h"
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
(...skipping 2454 matching lines...) Expand 10 before | Expand all | Expand 10 after
2465 Register temp = ToRegister(instr->temp()); 2465 Register temp = ToRegister(instr->temp());
2466 2466
2467 if (!instr->hydrogen()->value()->type().IsHeapObject()) { 2467 if (!instr->hydrogen()->value()->type().IsHeapObject()) {
2468 __ JumpIfSmi(input, instr->FalseLabel(chunk_)); 2468 __ JumpIfSmi(input, instr->FalseLabel(chunk_));
2469 } 2469 }
2470 2470
2471 __ CmpObjectType(input, TestType(instr->hydrogen()), temp); 2471 __ CmpObjectType(input, TestType(instr->hydrogen()), temp);
2472 EmitBranch(instr, BranchCondition(instr->hydrogen())); 2472 EmitBranch(instr, BranchCondition(instr->hydrogen()));
2473 } 2473 }
2474 2474
2475
2476 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
2477 Register input = ToRegister(instr->value());
2478 Register result = ToRegister(instr->result());
2479
2480 __ AssertString(input);
2481
2482 __ mov(result, FieldOperand(input, String::kHashFieldOffset));
2483 __ IndexFromHash(result, result);
2484 }
2485
2486
2487 void LCodeGen::DoHasCachedArrayIndexAndBranch(
2488 LHasCachedArrayIndexAndBranch* instr) {
2489 Register input = ToRegister(instr->value());
2490
2491 __ test(FieldOperand(input, String::kHashFieldOffset),
2492 Immediate(String::kContainsCachedArrayIndexMask));
2493 EmitBranch(instr, equal);
2494 }
2495
2496
2497 // Branches to a label or falls through with the answer in the z flag. Trashes 2475 // Branches to a label or falls through with the answer in the z flag. Trashes
2498 // the temp registers, but not the input. 2476 // the temp registers, but not the input.
2499 void LCodeGen::EmitClassOfTest(Label* is_true, 2477 void LCodeGen::EmitClassOfTest(Label* is_true,
2500 Label* is_false, 2478 Label* is_false,
2501 Handle<String>class_name, 2479 Handle<String>class_name,
2502 Register input, 2480 Register input,
2503 Register temp, 2481 Register temp,
2504 Register temp2) { 2482 Register temp2) {
2505 DCHECK(!input.is(temp)); 2483 DCHECK(!input.is(temp));
2506 DCHECK(!input.is(temp2)); 2484 DCHECK(!input.is(temp2));
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5675 __ bind(deferred->exit()); 5653 __ bind(deferred->exit());
5676 __ bind(&done); 5654 __ bind(&done);
5677 } 5655 }
5678 5656
5679 #undef __ 5657 #undef __
5680 5658
5681 } // namespace internal 5659 } // namespace internal
5682 } // namespace v8 5660 } // namespace v8
5683 5661
5684 #endif // V8_TARGET_ARCH_X87 5662 #endif // V8_TARGET_ARCH_X87
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