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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-inl.h" | 10 #include "src/ic-inl.h" |
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1238 | 1238 |
1239 | 1239 |
1240 // TODO(all): The so-called scratch registers are significant in some cases. For | 1240 // TODO(all): The so-called scratch registers are significant in some cases. For |
1241 // example, KeyedStoreStubCompiler::registers()[3] (x3) is actually used for | 1241 // example, KeyedStoreStubCompiler::registers()[3] (x3) is actually used for |
1242 // KeyedStoreCompiler::transition_map(). We should verify which registers are | 1242 // KeyedStoreCompiler::transition_map(). We should verify which registers are |
1243 // actually scratch registers, and which are important. For now, we use the same | 1243 // actually scratch registers, and which are important. For now, we use the same |
1244 // assignments as ARM to remain on the safe side. | 1244 // assignments as ARM to remain on the safe side. |
1245 | 1245 |
1246 Register* LoadStubCompiler::registers() { | 1246 Register* LoadStubCompiler::registers() { |
1247 // receiver, name, scratch1, scratch2, scratch3, scratch4. | 1247 // receiver, name, scratch1, scratch2, scratch3, scratch4. |
1248 Register receiver = LoadIC::kReceiverRegister; | 1248 static Register registers[] = { x0, x2, x3, x1, x4, x5 }; |
1249 Register name = LoadIC::kNameRegister; | |
1250 static Register registers[] = { receiver, name, x3, x1, x4, x5 }; | |
1251 return registers; | 1249 return registers; |
1252 } | 1250 } |
1253 | 1251 |
1254 | 1252 |
1255 Register* KeyedLoadStubCompiler::registers() { | 1253 Register* KeyedLoadStubCompiler::registers() { |
1256 // receiver, name, scratch1, scratch2, scratch3, scratch4. | 1254 // receiver, name/key, scratch1, scratch2, scratch3, scratch4. |
1257 Register receiver = KeyedLoadIC::kReceiverRegister; | 1255 static Register registers[] = { x1, x0, x2, x3, x4, x5 }; |
1258 Register name = KeyedLoadIC::kNameRegister; | |
1259 static Register registers[] = { receiver, name, x2, x3, x4, x5 }; | |
1260 return registers; | 1256 return registers; |
1261 } | 1257 } |
1262 | 1258 |
1263 | 1259 |
1264 Register StoreStubCompiler::value() { | 1260 Register StoreStubCompiler::value() { |
1265 return x0; | 1261 return x0; |
1266 } | 1262 } |
1267 | 1263 |
1268 | 1264 |
1269 Register* StoreStubCompiler::registers() { | 1265 Register* StoreStubCompiler::registers() { |
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1472 | 1468 |
1473 // Miss case, call the runtime. | 1469 // Miss case, call the runtime. |
1474 __ Bind(&miss); | 1470 __ Bind(&miss); |
1475 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1471 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1476 } | 1472 } |
1477 | 1473 |
1478 | 1474 |
1479 } } // namespace v8::internal | 1475 } } // namespace v8::internal |
1480 | 1476 |
1481 #endif // V8_TARGET_ARCH_ARM64 | 1477 #endif // V8_TARGET_ARCH_ARM64 |
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