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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 <sstream> | 5 #include <sstream> |
| 6 | 6 |
| 7 #include "src/v8.h" | 7 #include "src/v8.h" |
| 8 | 8 |
| 9 #if V8_TARGET_ARCH_MIPS | 9 #if V8_TARGET_ARCH_MIPS |
| 10 | 10 |
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| 2180 return DefineAsRegister(new(zone()) LLoadRoot); | 2180 return DefineAsRegister(new(zone()) LLoadRoot); |
| 2181 } | 2181 } |
| 2182 | 2182 |
| 2183 | 2183 |
| 2184 LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { | 2184 LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { |
| 2185 DCHECK(instr->key()->representation().IsSmiOrInteger32()); | 2185 DCHECK(instr->key()->representation().IsSmiOrInteger32()); |
| 2186 ElementsKind elements_kind = instr->elements_kind(); | 2186 ElementsKind elements_kind = instr->elements_kind(); |
| 2187 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); | 2187 LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 2188 LInstruction* result = NULL; | 2188 LInstruction* result = NULL; |
| 2189 | 2189 |
| 2190 if (!instr->is_typed_elements()) { | 2190 if (!instr->is_fixed_typed_array()) { |
| 2191 LOperand* obj = NULL; | 2191 LOperand* obj = NULL; |
| 2192 if (instr->representation().IsDouble()) { | 2192 if (instr->representation().IsDouble()) { |
| 2193 obj = UseRegister(instr->elements()); | 2193 obj = UseRegister(instr->elements()); |
| 2194 } else { | 2194 } else { |
| 2195 DCHECK(instr->representation().IsSmiOrTagged()); | 2195 DCHECK(instr->representation().IsSmiOrTagged()); |
| 2196 obj = UseRegisterAtStart(instr->elements()); | 2196 obj = UseRegisterAtStart(instr->elements()); |
| 2197 } | 2197 } |
| 2198 result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); | 2198 result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); |
| 2199 } else { | 2199 } else { |
| 2200 DCHECK( | 2200 DCHECK( |
| 2201 (instr->representation().IsInteger32() && | 2201 (instr->representation().IsInteger32() && |
| 2202 !IsDoubleOrFloatElementsKind(elements_kind)) || | 2202 !IsDoubleOrFloatElementsKind(elements_kind)) || |
| 2203 (instr->representation().IsDouble() && | 2203 (instr->representation().IsDouble() && |
| 2204 IsDoubleOrFloatElementsKind(elements_kind))); | 2204 IsDoubleOrFloatElementsKind(elements_kind))); |
| 2205 LOperand* backing_store = UseRegister(instr->elements()); | 2205 LOperand* backing_store = UseRegister(instr->elements()); |
| 2206 result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); | 2206 result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); |
| 2207 } | 2207 } |
| 2208 | 2208 |
| 2209 bool needs_environment; | 2209 bool needs_environment; |
| 2210 if (instr->is_external() || instr->is_fixed_typed_array()) { | 2210 if (instr->is_fixed_typed_array()) { |
| 2211 // see LCodeGen::DoLoadKeyedExternalArray | 2211 // see LCodeGen::DoLoadKeyedExternalArray |
| 2212 needs_environment = (elements_kind == EXTERNAL_UINT32_ELEMENTS || | 2212 needs_environment = elements_kind == UINT32_ELEMENTS && |
| 2213 elements_kind == UINT32_ELEMENTS) && | |
| 2214 !instr->CheckFlag(HInstruction::kUint32); | 2213 !instr->CheckFlag(HInstruction::kUint32); |
| 2215 } else { | 2214 } else { |
| 2216 // see LCodeGen::DoLoadKeyedFixedDoubleArray and | 2215 // see LCodeGen::DoLoadKeyedFixedDoubleArray and |
| 2217 // LCodeGen::DoLoadKeyedFixedArray | 2216 // LCodeGen::DoLoadKeyedFixedArray |
| 2218 needs_environment = | 2217 needs_environment = |
| 2219 instr->RequiresHoleCheck() || | 2218 instr->RequiresHoleCheck() || |
| 2220 (instr->hole_mode() == CONVERT_HOLE_TO_UNDEFINED && info()->IsStub()); | 2219 (instr->hole_mode() == CONVERT_HOLE_TO_UNDEFINED && info()->IsStub()); |
| 2221 } | 2220 } |
| 2222 | 2221 |
| 2223 if (needs_environment) { | 2222 if (needs_environment) { |
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| 2238 } | 2237 } |
| 2239 | 2238 |
| 2240 LInstruction* result = | 2239 LInstruction* result = |
| 2241 DefineFixed(new(zone()) LLoadKeyedGeneric(context, object, key, vector), | 2240 DefineFixed(new(zone()) LLoadKeyedGeneric(context, object, key, vector), |
| 2242 v0); | 2241 v0); |
| 2243 return MarkAsCall(result, instr); | 2242 return MarkAsCall(result, instr); |
| 2244 } | 2243 } |
| 2245 | 2244 |
| 2246 | 2245 |
| 2247 LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { | 2246 LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { |
| 2248 if (!instr->is_typed_elements()) { | 2247 if (!instr->is_fixed_typed_array()) { |
| 2249 DCHECK(instr->elements()->representation().IsTagged()); | 2248 DCHECK(instr->elements()->representation().IsTagged()); |
| 2250 bool needs_write_barrier = instr->NeedsWriteBarrier(); | 2249 bool needs_write_barrier = instr->NeedsWriteBarrier(); |
| 2251 LOperand* object = NULL; | 2250 LOperand* object = NULL; |
| 2252 LOperand* val = NULL; | 2251 LOperand* val = NULL; |
| 2253 LOperand* key = NULL; | 2252 LOperand* key = NULL; |
| 2254 | 2253 |
| 2255 if (instr->value()->representation().IsDouble()) { | 2254 if (instr->value()->representation().IsDouble()) { |
| 2256 object = UseRegisterAtStart(instr->elements()); | 2255 object = UseRegisterAtStart(instr->elements()); |
| 2257 key = UseRegisterOrConstantAtStart(instr->key()); | 2256 key = UseRegisterOrConstantAtStart(instr->key()); |
| 2258 val = UseRegister(instr->value()); | 2257 val = UseRegister(instr->value()); |
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| 2672 LOperand* function = UseRegisterAtStart(instr->function()); | 2671 LOperand* function = UseRegisterAtStart(instr->function()); |
| 2673 LAllocateBlockContext* result = | 2672 LAllocateBlockContext* result = |
| 2674 new(zone()) LAllocateBlockContext(context, function); | 2673 new(zone()) LAllocateBlockContext(context, function); |
| 2675 return MarkAsCall(DefineFixed(result, cp), instr); | 2674 return MarkAsCall(DefineFixed(result, cp), instr); |
| 2676 } | 2675 } |
| 2677 | 2676 |
| 2678 } // namespace internal | 2677 } // namespace internal |
| 2679 } // namespace v8 | 2678 } // namespace v8 |
| 2680 | 2679 |
| 2681 #endif // V8_TARGET_ARCH_MIPS | 2680 #endif // V8_TARGET_ARCH_MIPS |
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