| OLD | NEW |
| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 #include "ic-inl.h" | 32 #include "ic-inl.h" |
| 33 #include "codegen-inl.h" | 33 #include "codegen-inl.h" |
| 34 #include "stub-cache.h" | 34 #include "stub-cache.h" |
| 35 | 35 |
| 36 namespace v8 { | 36 namespace v8 { |
| 37 namespace internal { | 37 namespace internal { |
| 38 | 38 |
| 39 #define __ ACCESS_MASM(masm) | 39 #define __ ACCESS_MASM(masm) |
| 40 | 40 |
| 41 | 41 |
| 42 static void ProbeTable(MacroAssembler* masm, | 42 static void ProbeTable(Isolate* isolate, |
| 43 MacroAssembler* masm, |
| 43 Code::Flags flags, | 44 Code::Flags flags, |
| 44 StubCache::Table table, | 45 StubCache::Table table, |
| 45 Register name, | 46 Register name, |
| 46 Register offset) { | 47 Register offset) { |
| 47 ExternalReference key_offset(SCTableReference::keyReference(table)); | 48 ExternalReference key_offset(isolate->stub_cache()->key_reference(table)); |
| 48 ExternalReference value_offset(SCTableReference::valueReference(table)); | 49 ExternalReference value_offset(isolate->stub_cache()->value_reference(table)); |
| 49 | 50 |
| 50 Label miss; | 51 Label miss; |
| 51 | 52 |
| 52 // Save the offset on the stack. | 53 // Save the offset on the stack. |
| 53 __ push(offset); | 54 __ push(offset); |
| 54 | 55 |
| 55 // Check that the key in the entry matches the name. | 56 // Check that the key in the entry matches the name. |
| 56 __ mov(ip, Operand(key_offset)); | 57 __ mov(ip, Operand(key_offset)); |
| 57 __ ldr(ip, MemOperand(ip, offset, LSL, 1)); | 58 __ ldr(ip, MemOperand(ip, offset, LSL, 1)); |
| 58 __ cmp(name, ip); | 59 __ cmp(name, ip); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 82 __ pop(offset); | 83 __ pop(offset); |
| 83 } | 84 } |
| 84 | 85 |
| 85 | 86 |
| 86 void StubCache::GenerateProbe(MacroAssembler* masm, | 87 void StubCache::GenerateProbe(MacroAssembler* masm, |
| 87 Code::Flags flags, | 88 Code::Flags flags, |
| 88 Register receiver, | 89 Register receiver, |
| 89 Register name, | 90 Register name, |
| 90 Register scratch, | 91 Register scratch, |
| 91 Register extra) { | 92 Register extra) { |
| 93 Isolate* isolate = Isolate::Current(); |
| 92 Label miss; | 94 Label miss; |
| 93 | 95 |
| 94 // Make sure that code is valid. The shifting code relies on the | 96 // Make sure that code is valid. The shifting code relies on the |
| 95 // entry size being 8. | 97 // entry size being 8. |
| 96 ASSERT(sizeof(Entry) == 8); | 98 ASSERT(sizeof(Entry) == 8); |
| 97 | 99 |
| 98 // Make sure the flags does not name a specific type. | 100 // Make sure the flags does not name a specific type. |
| 99 ASSERT(Code::ExtractTypeFromFlags(flags) == 0); | 101 ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 100 | 102 |
| 101 // Make sure that there are no register conflicts. | 103 // Make sure that there are no register conflicts. |
| 102 ASSERT(!scratch.is(receiver)); | 104 ASSERT(!scratch.is(receiver)); |
| 103 ASSERT(!scratch.is(name)); | 105 ASSERT(!scratch.is(name)); |
| 104 | 106 |
| 105 // Check that the receiver isn't a smi. | 107 // Check that the receiver isn't a smi. |
| 106 __ tst(receiver, Operand(kSmiTagMask)); | 108 __ tst(receiver, Operand(kSmiTagMask)); |
| 107 __ b(eq, &miss); | 109 __ b(eq, &miss); |
| 108 | 110 |
| 109 // Get the map of the receiver and compute the hash. | 111 // Get the map of the receiver and compute the hash. |
| 110 __ ldr(scratch, FieldMemOperand(name, String::kHashFieldOffset)); | 112 __ ldr(scratch, FieldMemOperand(name, String::kHashFieldOffset)); |
| 111 __ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 113 __ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 112 __ add(scratch, scratch, Operand(ip)); | 114 __ add(scratch, scratch, Operand(ip)); |
| 113 __ eor(scratch, scratch, Operand(flags)); | 115 __ eor(scratch, scratch, Operand(flags)); |
| 114 __ and_(scratch, | 116 __ and_(scratch, |
| 115 scratch, | 117 scratch, |
| 116 Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize)); | 118 Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize)); |
| 117 | 119 |
| 118 // Probe the primary table. | 120 // Probe the primary table. |
| 119 ProbeTable(masm, flags, kPrimary, name, scratch); | 121 ProbeTable(isolate, masm, flags, kPrimary, name, scratch); |
| 120 | 122 |
| 121 // Primary miss: Compute hash for secondary probe. | 123 // Primary miss: Compute hash for secondary probe. |
| 122 __ sub(scratch, scratch, Operand(name)); | 124 __ sub(scratch, scratch, Operand(name)); |
| 123 __ add(scratch, scratch, Operand(flags)); | 125 __ add(scratch, scratch, Operand(flags)); |
| 124 __ and_(scratch, | 126 __ and_(scratch, |
| 125 scratch, | 127 scratch, |
| 126 Operand((kSecondaryTableSize - 1) << kHeapObjectTagSize)); | 128 Operand((kSecondaryTableSize - 1) << kHeapObjectTagSize)); |
| 127 | 129 |
| 128 // Probe the secondary table. | 130 // Probe the secondary table. |
| 129 ProbeTable(masm, flags, kSecondary, name, scratch); | 131 ProbeTable(isolate, masm, flags, kSecondary, name, scratch); |
| 130 | 132 |
| 131 // Cache miss: Fall-through and let caller handle the miss by | 133 // Cache miss: Fall-through and let caller handle the miss by |
| 132 // entering the runtime system. | 134 // entering the runtime system. |
| 133 __ bind(&miss); | 135 __ bind(&miss); |
| 134 } | 136 } |
| 135 | 137 |
| 136 | 138 |
| 137 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, | 139 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 138 int index, | 140 int index, |
| 139 Register prototype) { | 141 Register prototype) { |
| (...skipping 2015 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2155 // Return the generated code. | 2157 // Return the generated code. |
| 2156 return GetCode(); | 2158 return GetCode(); |
| 2157 } | 2159 } |
| 2158 | 2160 |
| 2159 | 2161 |
| 2160 #undef __ | 2162 #undef __ |
| 2161 | 2163 |
| 2162 } } // namespace v8::internal | 2164 } } // namespace v8::internal |
| 2163 | 2165 |
| 2164 #endif // V8_TARGET_ARCH_ARM | 2166 #endif // V8_TARGET_ARCH_ARM |
| OLD | NEW |