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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic/ic.h" | 10 #include "src/ic/ic.h" |
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109 // Make sure extra and extra2 registers are valid. | 109 // Make sure extra and extra2 registers are valid. |
110 DCHECK(!extra.is(no_reg)); | 110 DCHECK(!extra.is(no_reg)); |
111 DCHECK(!extra2.is(no_reg)); | 111 DCHECK(!extra2.is(no_reg)); |
112 DCHECK(!extra3.is(no_reg)); | 112 DCHECK(!extra3.is(no_reg)); |
113 | 113 |
114 #ifdef DEBUG | 114 #ifdef DEBUG |
115 // If vector-based ics are in use, ensure that scratch, extra, extra2 and | 115 // If vector-based ics are in use, ensure that scratch, extra, extra2 and |
116 // extra3 don't conflict with the vector and slot registers, which need | 116 // extra3 don't conflict with the vector and slot registers, which need |
117 // to be preserved for a handler call or miss. | 117 // to be preserved for a handler call or miss. |
118 if (IC::ICUseVector(ic_kind)) { | 118 if (IC::ICUseVector(ic_kind)) { |
119 Register vector = VectorLoadICDescriptor::VectorRegister(); | 119 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
120 Register slot = VectorLoadICDescriptor::SlotRegister(); | 120 Register slot = LoadWithVectorDescriptor::SlotRegister(); |
121 DCHECK(!AreAliased(vector, slot, scratch, extra, extra2, extra3)); | 121 DCHECK(!AreAliased(vector, slot, scratch, extra, extra2, extra3)); |
122 } | 122 } |
123 #endif | 123 #endif |
124 | 124 |
125 Counters* counters = masm->isolate()->counters(); | 125 Counters* counters = masm->isolate()->counters(); |
126 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1, extra2, | 126 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1, extra2, |
127 extra3); | 127 extra3); |
128 | 128 |
129 // Check that the receiver isn't a smi. | 129 // Check that the receiver isn't a smi. |
130 __ JumpIfSmi(receiver, &miss); | 130 __ JumpIfSmi(receiver, &miss); |
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154 // Cache miss: Fall-through and let caller handle the miss by | 154 // Cache miss: Fall-through and let caller handle the miss by |
155 // entering the runtime system. | 155 // entering the runtime system. |
156 __ Bind(&miss); | 156 __ Bind(&miss); |
157 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2, | 157 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2, |
158 extra3); | 158 extra3); |
159 } | 159 } |
160 } | 160 } |
161 } // namespace v8::internal | 161 } // namespace v8::internal |
162 | 162 |
163 #endif // V8_TARGET_ARCH_ARM64 | 163 #endif // V8_TARGET_ARCH_ARM64 |
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