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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
10 #include "vm/compiler.h" | 10 #include "vm/compiler.h" |
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532 // Restore result into R1. | 532 // Restore result into R1. |
533 __ LoadFromOffset(R1, FP, kFirstLocalSlotFromFp * kWordSize, kNoPP); | 533 __ LoadFromOffset(R1, FP, kFirstLocalSlotFromFp * kWordSize, kNoPP); |
534 } | 534 } |
535 // Code above cannot cause GC. | 535 // Code above cannot cause GC. |
536 // There is a Dart Frame on the stack. We must restore PP and leave frame. | 536 // There is a Dart Frame on the stack. We must restore PP and leave frame. |
537 __ LeaveDartFrame(); | 537 __ LeaveDartFrame(); |
538 | 538 |
539 // Frame is fully rewritten at this point and it is safe to perform a GC. | 539 // Frame is fully rewritten at this point and it is safe to perform a GC. |
540 // Materialize any objects that were deferred by FillFrame because they | 540 // Materialize any objects that were deferred by FillFrame because they |
541 // require allocation. | 541 // require allocation. |
542 __ EnterStubFrame(); | 542 // Enter stub frame with loading PP. The caller's PP is not materialized yet. |
| 543 __ EnterStubFrame(true); |
543 if (preserve_result) { | 544 if (preserve_result) { |
544 __ Push(ZR); // Workaround for dropped stack slot during GC. | 545 __ Push(ZR); // Workaround for dropped stack slot during GC. |
545 __ Push(R1); // Preserve result, it will be GC-d here. | 546 __ Push(R1); // Preserve result, it will be GC-d here. |
546 } | 547 } |
547 __ Push(ZR); // Space for the result. | 548 __ Push(ZR); // Space for the result. |
548 __ CallRuntime(kDeoptimizeMaterializeRuntimeEntry, 0); | 549 __ CallRuntime(kDeoptimizeMaterializeRuntimeEntry, 0); |
549 // Result tells stub how many bytes to remove from the expression stack | 550 // Result tells stub how many bytes to remove from the expression stack |
550 // of the bottom-most frame. They were used as materialization arguments. | 551 // of the bottom-most frame. They were used as materialization arguments. |
551 __ Pop(R1); | 552 __ Pop(R1); |
552 __ SmiUntag(R1); | 553 __ SmiUntag(R1); |
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2101 const Register right = R0; | 2102 const Register right = R0; |
2102 __ LoadFromOffset(left, SP, 1 * kWordSize, kNoPP); | 2103 __ LoadFromOffset(left, SP, 1 * kWordSize, kNoPP); |
2103 __ LoadFromOffset(right, SP, 0 * kWordSize, kNoPP); | 2104 __ LoadFromOffset(right, SP, 0 * kWordSize, kNoPP); |
2104 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp); | 2105 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp); |
2105 __ ret(); | 2106 __ ret(); |
2106 } | 2107 } |
2107 | 2108 |
2108 } // namespace dart | 2109 } // namespace dart |
2109 | 2110 |
2110 #endif // defined TARGET_ARCH_ARM64 | 2111 #endif // defined TARGET_ARCH_ARM64 |
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