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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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" // Needed here to get TARGET_ARCH_ARM. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
7 | 7 |
8 #include "vm/intrinsifier.h" | 8 #include "vm/intrinsifier.h" |
9 | 9 |
10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
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868 __ b(&loop_entry); | 868 __ b(&loop_entry); |
869 Label loop; | 869 Label loop; |
870 __ Bind(&loop); | 870 __ Bind(&loop); |
871 __ ldr(R0, Address(R7, Bigint::kBytesPerDigit, Address::PostIndex)); | 871 __ ldr(R0, Address(R7, Bigint::kBytesPerDigit, Address::PostIndex)); |
872 __ orr(R1, R1, Operand(R0, LSL, R2)); | 872 __ orr(R1, R1, Operand(R0, LSL, R2)); |
873 __ str(R1, Address(R8, Bigint::kBytesPerDigit, Address::PostIndex)); | 873 __ str(R1, Address(R8, Bigint::kBytesPerDigit, Address::PostIndex)); |
874 __ mov(R1, Operand(R0, LSR, R3)); | 874 __ mov(R1, Operand(R0, LSR, R3)); |
875 __ Bind(&loop_entry); | 875 __ Bind(&loop_entry); |
876 __ teq(R8, Operand(R6)); | 876 __ teq(R8, Operand(R6)); |
877 __ b(&loop, NE); | 877 __ b(&loop, NE); |
878 __ str(R1, Address(R8, Bigint::kBytesPerDigit, Address::PostIndex)); | 878 __ str(R1, Address(R8, 0)); |
879 // Returning Object::null() is not required, since this method is private. | 879 // Returning Object::null() is not required, since this method is private. |
880 __ Ret(); | 880 __ Ret(); |
881 } | 881 } |
882 | 882 |
883 | 883 |
884 void Intrinsifier::Bigint_absAdd(Assembler* assembler) { | 884 void Intrinsifier::Bigint_absAdd(Assembler* assembler) { |
885 // static void _absAdd(Uint32List digits, int used, | 885 // static void _absAdd(Uint32List digits, int used, |
886 // Uint32List a_digits, int a_used, | 886 // Uint32List a_digits, int a_used, |
887 // Uint32List r_digits) | 887 // Uint32List r_digits) |
888 | 888 |
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2021 Isolate* isolate = Isolate::Current(); | 2021 Isolate* isolate = Isolate::Current(); |
2022 __ LoadImmediate(R1, reinterpret_cast<uword>(isolate)); | 2022 __ LoadImmediate(R1, reinterpret_cast<uword>(isolate)); |
2023 // Set return value to Isolate::current_tag_. | 2023 // Set return value to Isolate::current_tag_. |
2024 __ ldr(R0, Address(R1, Isolate::current_tag_offset())); | 2024 __ ldr(R0, Address(R1, Isolate::current_tag_offset())); |
2025 __ Ret(); | 2025 __ Ret(); |
2026 } | 2026 } |
2027 | 2027 |
2028 } // namespace dart | 2028 } // namespace dart |
2029 | 2029 |
2030 #endif // defined TARGET_ARCH_ARM | 2030 #endif // defined TARGET_ARCH_ARM |
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