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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/crankshaft/x87/lithium-x87.h" | 5 #include "src/crankshaft/x87/lithium-x87.h" |
| 6 | 6 |
| 7 #include <sstream> | 7 #include <sstream> |
| 8 | 8 |
| 9 #if V8_TARGET_ARCH_X87 | 9 #if V8_TARGET_ARCH_X87 |
| 10 | 10 |
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| 2194 ElementsKind elements_kind = instr->elements_kind(); | 2194 ElementsKind elements_kind = instr->elements_kind(); |
| 2195 bool clobbers_key = ExternalArrayOpRequiresTemp( | 2195 bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2196 instr->key()->representation(), elements_kind); | 2196 instr->key()->representation(), elements_kind); |
| 2197 LOperand* key = clobbers_key | 2197 LOperand* key = clobbers_key |
| 2198 ? UseTempRegister(instr->key()) | 2198 ? UseTempRegister(instr->key()) |
| 2199 : UseRegisterOrConstantAtStart(instr->key()); | 2199 : UseRegisterOrConstantAtStart(instr->key()); |
| 2200 LInstruction* result = NULL; | 2200 LInstruction* result = NULL; |
| 2201 | 2201 |
| 2202 if (!instr->is_fixed_typed_array()) { | 2202 if (!instr->is_fixed_typed_array()) { |
| 2203 LOperand* obj = UseRegisterAtStart(instr->elements()); | 2203 LOperand* obj = UseRegisterAtStart(instr->elements()); |
| 2204 result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); | 2204 result = DefineAsRegister(new (zone()) LLoadKeyed(obj, key, nullptr)); |
| 2205 } else { | 2205 } else { |
| 2206 DCHECK( | 2206 DCHECK( |
| 2207 (instr->representation().IsInteger32() && | 2207 (instr->representation().IsInteger32() && |
| 2208 !(IsDoubleOrFloatElementsKind(instr->elements_kind()))) || | 2208 !(IsDoubleOrFloatElementsKind(instr->elements_kind()))) || |
| 2209 (instr->representation().IsDouble() && | 2209 (instr->representation().IsDouble() && |
| 2210 (IsDoubleOrFloatElementsKind(instr->elements_kind())))); | 2210 (IsDoubleOrFloatElementsKind(instr->elements_kind())))); |
| 2211 LOperand* backing_store = UseRegister(instr->elements()); | 2211 LOperand* backing_store = UseRegister(instr->elements()); |
| 2212 result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); | 2212 LOperand* backing_store_owner = UseAny(instr->backing_store_owner()); |
| 2213 result = DefineAsRegister( |
| 2214 new (zone()) LLoadKeyed(backing_store, key, backing_store_owner)); |
| 2213 } | 2215 } |
| 2214 | 2216 |
| 2215 bool needs_environment; | 2217 bool needs_environment; |
| 2216 if (instr->is_fixed_typed_array()) { | 2218 if (instr->is_fixed_typed_array()) { |
| 2217 // see LCodeGen::DoLoadKeyedExternalArray | 2219 // see LCodeGen::DoLoadKeyedExternalArray |
| 2218 needs_environment = elements_kind == UINT32_ELEMENTS && | 2220 needs_environment = elements_kind == UINT32_ELEMENTS && |
| 2219 !instr->CheckFlag(HInstruction::kUint32); | 2221 !instr->CheckFlag(HInstruction::kUint32); |
| 2220 } else { | 2222 } else { |
| 2221 // see LCodeGen::DoLoadKeyedFixedDoubleArray and | 2223 // see LCodeGen::DoLoadKeyedFixedDoubleArray and |
| 2222 // LCodeGen::DoLoadKeyedFixedArray | 2224 // LCodeGen::DoLoadKeyedFixedArray |
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| 2273 DCHECK(instr->key()->representation().IsInteger32() || | 2275 DCHECK(instr->key()->representation().IsInteger32() || |
| 2274 instr->key()->representation().IsSmi()); | 2276 instr->key()->representation().IsSmi()); |
| 2275 | 2277 |
| 2276 if (instr->value()->representation().IsDouble()) { | 2278 if (instr->value()->representation().IsDouble()) { |
| 2277 LOperand* object = UseRegisterAtStart(instr->elements()); | 2279 LOperand* object = UseRegisterAtStart(instr->elements()); |
| 2278 // For storing double hole, no fp register required. | 2280 // For storing double hole, no fp register required. |
| 2279 LOperand* val = instr->IsConstantHoleStore() | 2281 LOperand* val = instr->IsConstantHoleStore() |
| 2280 ? NULL | 2282 ? NULL |
| 2281 : UseRegisterAtStart(instr->value()); | 2283 : UseRegisterAtStart(instr->value()); |
| 2282 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); | 2284 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 2283 return new(zone()) LStoreKeyed(object, key, val); | 2285 return new (zone()) LStoreKeyed(object, key, val, nullptr); |
| 2284 } else { | 2286 } else { |
| 2285 DCHECK(instr->value()->representation().IsSmiOrTagged()); | 2287 DCHECK(instr->value()->representation().IsSmiOrTagged()); |
| 2286 bool needs_write_barrier = instr->NeedsWriteBarrier(); | 2288 bool needs_write_barrier = instr->NeedsWriteBarrier(); |
| 2287 | 2289 |
| 2288 LOperand* obj = UseRegister(instr->elements()); | 2290 LOperand* obj = UseRegister(instr->elements()); |
| 2289 LOperand* val; | 2291 LOperand* val; |
| 2290 LOperand* key; | 2292 LOperand* key; |
| 2291 if (needs_write_barrier) { | 2293 if (needs_write_barrier) { |
| 2292 val = UseTempRegister(instr->value()); | 2294 val = UseTempRegister(instr->value()); |
| 2293 key = UseTempRegister(instr->key()); | 2295 key = UseTempRegister(instr->key()); |
| 2294 } else { | 2296 } else { |
| 2295 val = UseRegisterOrConstantAtStart(instr->value()); | 2297 val = UseRegisterOrConstantAtStart(instr->value()); |
| 2296 key = UseRegisterOrConstantAtStart(instr->key()); | 2298 key = UseRegisterOrConstantAtStart(instr->key()); |
| 2297 } | 2299 } |
| 2298 return new(zone()) LStoreKeyed(obj, key, val); | 2300 return new (zone()) LStoreKeyed(obj, key, val, nullptr); |
| 2299 } | 2301 } |
| 2300 } | 2302 } |
| 2301 | 2303 |
| 2302 ElementsKind elements_kind = instr->elements_kind(); | 2304 ElementsKind elements_kind = instr->elements_kind(); |
| 2303 DCHECK( | 2305 DCHECK( |
| 2304 (instr->value()->representation().IsInteger32() && | 2306 (instr->value()->representation().IsInteger32() && |
| 2305 !IsDoubleOrFloatElementsKind(elements_kind)) || | 2307 !IsDoubleOrFloatElementsKind(elements_kind)) || |
| 2306 (instr->value()->representation().IsDouble() && | 2308 (instr->value()->representation().IsDouble() && |
| 2307 IsDoubleOrFloatElementsKind(elements_kind))); | 2309 IsDoubleOrFloatElementsKind(elements_kind))); |
| 2308 DCHECK(instr->elements()->representation().IsExternal()); | 2310 DCHECK(instr->elements()->representation().IsExternal()); |
| 2309 | 2311 |
| 2310 LOperand* backing_store = UseRegister(instr->elements()); | 2312 LOperand* backing_store = UseRegister(instr->elements()); |
| 2311 LOperand* val = GetStoreKeyedValueOperand(instr); | 2313 LOperand* val = GetStoreKeyedValueOperand(instr); |
| 2312 bool clobbers_key = ExternalArrayOpRequiresTemp( | 2314 bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2313 instr->key()->representation(), elements_kind); | 2315 instr->key()->representation(), elements_kind); |
| 2314 LOperand* key = clobbers_key | 2316 LOperand* key = clobbers_key |
| 2315 ? UseTempRegister(instr->key()) | 2317 ? UseTempRegister(instr->key()) |
| 2316 : UseRegisterOrConstantAtStart(instr->key()); | 2318 : UseRegisterOrConstantAtStart(instr->key()); |
| 2317 return new(zone()) LStoreKeyed(backing_store, key, val); | 2319 LOperand* backing_store_owner = UseAny(instr->backing_store_owner()); |
| 2320 return new (zone()) LStoreKeyed(backing_store, key, val, backing_store_owner); |
| 2318 } | 2321 } |
| 2319 | 2322 |
| 2320 | 2323 |
| 2321 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { | 2324 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
| 2322 LOperand* context = UseFixed(instr->context(), esi); | 2325 LOperand* context = UseFixed(instr->context(), esi); |
| 2323 LOperand* object = | 2326 LOperand* object = |
| 2324 UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); | 2327 UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); |
| 2325 LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister()); | 2328 LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister()); |
| 2326 LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); | 2329 LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); |
| 2327 | 2330 |
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| 2724 LAllocateBlockContext* result = | 2727 LAllocateBlockContext* result = |
| 2725 new(zone()) LAllocateBlockContext(context, function); | 2728 new(zone()) LAllocateBlockContext(context, function); |
| 2726 return MarkAsCall(DefineFixed(result, esi), instr); | 2729 return MarkAsCall(DefineFixed(result, esi), instr); |
| 2727 } | 2730 } |
| 2728 | 2731 |
| 2729 | 2732 |
| 2730 } // namespace internal | 2733 } // namespace internal |
| 2731 } // namespace v8 | 2734 } // namespace v8 |
| 2732 | 2735 |
| 2733 #endif // V8_TARGET_ARCH_X87 | 2736 #endif // V8_TARGET_ARCH_X87 |
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