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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 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
| 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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| 108 // Check scratch register is valid, extra and extra2 are unused. | 108 // Check scratch register is valid, extra and extra2 are unused. |
| 109 DCHECK(!scratch.is(no_reg)); | 109 DCHECK(!scratch.is(no_reg)); |
| 110 DCHECK(extra2.is(no_reg)); | 110 DCHECK(extra2.is(no_reg)); |
| 111 DCHECK(extra3.is(no_reg)); | 111 DCHECK(extra3.is(no_reg)); |
| 112 | 112 |
| 113 #ifdef DEBUG | 113 #ifdef DEBUG |
| 114 // If vector-based ics are in use, ensure that scratch doesn't conflict with | 114 // If vector-based ics are in use, ensure that scratch doesn't conflict with |
| 115 // the vector and slot registers, which need to be preserved for a handler | 115 // the vector and slot registers, which need to be preserved for a handler |
| 116 // call or miss. | 116 // call or miss. |
| 117 if (IC::ICUseVector(ic_kind)) { | 117 if (IC::ICUseVector(ic_kind)) { |
| 118 Register vector = VectorLoadICDescriptor::VectorRegister(); | 118 Register vector = LoadWithVectorDescriptor::VectorRegister(); |
| 119 Register slot = VectorLoadICDescriptor::SlotRegister(); | 119 Register slot = LoadDescriptor::SlotRegister(); |
| 120 DCHECK(!AreAliased(vector, slot, scratch)); | 120 DCHECK(!AreAliased(vector, slot, scratch)); |
| 121 } | 121 } |
| 122 #endif | 122 #endif |
| 123 | 123 |
| 124 Counters* counters = masm->isolate()->counters(); | 124 Counters* counters = masm->isolate()->counters(); |
| 125 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1); | 125 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1); |
| 126 | 126 |
| 127 // Check that the receiver isn't a smi. | 127 // Check that the receiver isn't a smi. |
| 128 __ JumpIfSmi(receiver, &miss); | 128 __ JumpIfSmi(receiver, &miss); |
| 129 | 129 |
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| 158 __ bind(&miss); | 158 __ bind(&miss); |
| 159 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); | 159 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); |
| 160 } | 160 } |
| 161 | 161 |
| 162 | 162 |
| 163 #undef __ | 163 #undef __ |
| 164 } | 164 } |
| 165 } // namespace v8::internal | 165 } // namespace v8::internal |
| 166 | 166 |
| 167 #endif // V8_TARGET_ARCH_X64 | 167 #endif // V8_TARGET_ARCH_X64 |
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