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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" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
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/cpu.h" | 10 #include "vm/cpu.h" |
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1982 __ ldr(left, Address(SP, 1 * kWordSize)); | 1982 __ ldr(left, Address(SP, 1 * kWordSize)); |
1983 __ ldr(right, Address(SP, 0 * kWordSize)); | 1983 __ ldr(right, Address(SP, 0 * kWordSize)); |
1984 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp); | 1984 GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp); |
1985 __ Ret(); | 1985 __ Ret(); |
1986 } | 1986 } |
1987 | 1987 |
1988 | 1988 |
1989 // Called from megamorphic calls. | 1989 // Called from megamorphic calls. |
1990 // R0: receiver | 1990 // R0: receiver |
1991 // R9: MegamorphicCache (preserved) | 1991 // R9: MegamorphicCache (preserved) |
1992 // Result: | 1992 // Passed to target: |
1993 // CODE_REG: target Code | 1993 // CODE_REG: target Code |
1994 // R4: arguments descriptor | 1994 // R4: arguments descriptor |
1995 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) { | 1995 void StubCode::GenerateMegamorphicCallStub(Assembler* assembler) { |
1996 __ NoMonomorphicCheckedEntry(); | 1996 __ NoMonomorphicCheckedEntry(); |
1997 | 1997 |
1998 __ LoadTaggedClassIdMayBeSmi(R0, R0); | 1998 __ LoadTaggedClassIdMayBeSmi(R0, R0); |
1999 // R0: receiver cid as Smi. | 1999 // R0: receiver cid as Smi. |
2000 __ ldr(R2, FieldAddress(R9, MegamorphicCache::buckets_offset())); | 2000 __ ldr(R2, FieldAddress(R9, MegamorphicCache::buckets_offset())); |
2001 __ ldr(R1, FieldAddress(R9, MegamorphicCache::mask_offset())); | 2001 __ ldr(R1, FieldAddress(R9, MegamorphicCache::mask_offset())); |
2002 // R2: cache buckets array. | 2002 // R2: cache buckets array. |
2003 // R1: mask. | 2003 // R1: mask. |
2004 | 2004 |
2005 // Compute the table index. | 2005 // Compute the table index. |
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2039 | 2039 |
2040 // Try next extry in the table. | 2040 // Try next extry in the table. |
2041 __ AddImmediate(R3, Smi::RawValue(1)); | 2041 __ AddImmediate(R3, Smi::RawValue(1)); |
2042 __ b(&loop); | 2042 __ b(&loop); |
2043 } | 2043 } |
2044 | 2044 |
2045 | 2045 |
2046 // Called from switchable IC calls. | 2046 // Called from switchable IC calls. |
2047 // R0: receiver | 2047 // R0: receiver |
2048 // R9: ICData (preserved) | 2048 // R9: ICData (preserved) |
2049 // Result: | 2049 // Passed to target: |
2050 // CODE_REG: target Code object | 2050 // CODE_REG: target Code object |
2051 // R4: arguments descriptor | 2051 // R4: arguments descriptor |
2052 void StubCode::GenerateICLookupThroughFunctionStub(Assembler* assembler) { | 2052 void StubCode::GenerateICCallThroughFunctionStub(Assembler* assembler) { |
2053 __ NoMonomorphicCheckedEntry(); | 2053 __ NoMonomorphicCheckedEntry(); |
2054 | 2054 |
2055 Label loop, found, miss; | 2055 Label loop, found, miss; |
2056 __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset())); | 2056 __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset())); |
2057 __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset())); | 2057 __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset())); |
2058 __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag); | 2058 __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag); |
2059 // R8: first IC entry | 2059 // R8: first IC entry |
2060 __ LoadTaggedClassIdMayBeSmi(R1, R0); | 2060 __ LoadTaggedClassIdMayBeSmi(R1, R0); |
2061 // R1: receiver cid as Smi | 2061 // R1: receiver cid as Smi |
2062 | 2062 |
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2079 __ bx(R1); | 2079 __ bx(R1); |
2080 | 2080 |
2081 __ Bind(&miss); | 2081 __ Bind(&miss); |
2082 __ LoadIsolate(R2); | 2082 __ LoadIsolate(R2); |
2083 __ ldr(CODE_REG, Address(R2, Isolate::ic_miss_code_offset())); | 2083 __ ldr(CODE_REG, Address(R2, Isolate::ic_miss_code_offset())); |
2084 __ ldr(R1, FieldAddress(CODE_REG, Code::entry_point_offset())); | 2084 __ ldr(R1, FieldAddress(CODE_REG, Code::entry_point_offset())); |
2085 __ bx(R1); | 2085 __ bx(R1); |
2086 } | 2086 } |
2087 | 2087 |
2088 | 2088 |
2089 void StubCode::GenerateICLookupThroughCodeStub(Assembler* assembler) { | 2089 void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) { |
2090 __ NoMonomorphicCheckedEntry(); | 2090 __ NoMonomorphicCheckedEntry(); |
2091 | 2091 |
2092 Label loop, found, miss; | 2092 Label loop, found, miss; |
2093 __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset())); | 2093 __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset())); |
2094 __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset())); | 2094 __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset())); |
2095 __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag); | 2095 __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag); |
2096 // R8: first IC entry | 2096 // R8: first IC entry |
2097 __ LoadTaggedClassIdMayBeSmi(R1, R0); | 2097 __ LoadTaggedClassIdMayBeSmi(R1, R0); |
2098 // R1: receiver cid as Smi | 2098 // R1: receiver cid as Smi |
2099 | 2099 |
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2144 } | 2144 } |
2145 | 2145 |
2146 | 2146 |
2147 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { | 2147 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { |
2148 __ bkpt(0); | 2148 __ bkpt(0); |
2149 } | 2149 } |
2150 | 2150 |
2151 } // namespace dart | 2151 } // namespace dart |
2152 | 2152 |
2153 #endif // defined TARGET_ARCH_ARM | 2153 #endif // defined TARGET_ARCH_ARM |
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