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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/ic/ic.h" | 8 #include "src/ic/ic.h" |
9 #include "src/ic/stub-cache.h" | 9 #include "src/ic/stub-cache.h" |
10 #include "src/interface-descriptors.h" | 10 #include "src/interface-descriptors.h" |
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99 // Check scratch register is valid, extra and extra2 are unused. | 99 // Check scratch register is valid, extra and extra2 are unused. |
100 DCHECK(!scratch.is(no_reg)); | 100 DCHECK(!scratch.is(no_reg)); |
101 DCHECK(extra2.is(no_reg)); | 101 DCHECK(extra2.is(no_reg)); |
102 DCHECK(extra3.is(no_reg)); | 102 DCHECK(extra3.is(no_reg)); |
103 | 103 |
104 #ifdef DEBUG | 104 #ifdef DEBUG |
105 // If vector-based ics are in use, ensure that scratch doesn't conflict with | 105 // If vector-based ics are in use, ensure that scratch doesn't conflict with |
106 // the vector and slot registers, which need to be preserved for a handler | 106 // the vector and slot registers, which need to be preserved for a handler |
107 // call or miss. | 107 // call or miss. |
108 if (IC::ICUseVector(ic_kind)) { | 108 if (IC::ICUseVector(ic_kind)) { |
109 if (ic_kind == Code::LOAD_IC || ic_kind == Code::KEYED_LOAD_IC) { | 109 if (ic_kind == Code::LOAD_IC || ic_kind == Code::LOAD_GLOBAL_IC || |
| 110 ic_kind == Code::KEYED_LOAD_IC) { |
110 Register vector = LoadWithVectorDescriptor::VectorRegister(); | 111 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
111 Register slot = LoadDescriptor::SlotRegister(); | 112 Register slot = LoadDescriptor::SlotRegister(); |
112 DCHECK(!AreAliased(vector, slot, scratch)); | 113 DCHECK(!AreAliased(vector, slot, scratch)); |
113 } else { | 114 } else { |
114 DCHECK(ic_kind == Code::STORE_IC || ic_kind == Code::KEYED_STORE_IC); | 115 DCHECK(ic_kind == Code::STORE_IC || ic_kind == Code::KEYED_STORE_IC); |
115 Register vector = VectorStoreICDescriptor::VectorRegister(); | 116 Register vector = VectorStoreICDescriptor::VectorRegister(); |
116 Register slot = VectorStoreICDescriptor::SlotRegister(); | 117 Register slot = VectorStoreICDescriptor::SlotRegister(); |
117 DCHECK(!AreAliased(vector, slot, scratch)); | 118 DCHECK(!AreAliased(vector, slot, scratch)); |
118 } | 119 } |
119 } | 120 } |
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154 __ bind(&miss); | 155 __ bind(&miss); |
155 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); | 156 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); |
156 } | 157 } |
157 | 158 |
158 | 159 |
159 #undef __ | 160 #undef __ |
160 } // namespace internal | 161 } // namespace internal |
161 } // namespace v8 | 162 } // namespace v8 |
162 | 163 |
163 #endif // V8_TARGET_ARCH_X64 | 164 #endif // V8_TARGET_ARCH_X64 |
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