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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1254 __ Branch(&non_double_value, ne, t0, Operand(at)); | 1254 __ Branch(&non_double_value, ne, t0, Operand(at)); |
1255 | 1255 |
1256 // Value is a double. Transition FAST_SMI_ELEMENTS -> | 1256 // Value is a double. Transition FAST_SMI_ELEMENTS -> |
1257 // FAST_DOUBLE_ELEMENTS and complete the store. | 1257 // FAST_DOUBLE_ELEMENTS and complete the store. |
1258 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1258 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1259 FAST_DOUBLE_ELEMENTS, | 1259 FAST_DOUBLE_ELEMENTS, |
1260 receiver_map, | 1260 receiver_map, |
1261 t0, | 1261 t0, |
1262 slow); | 1262 slow); |
1263 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 | 1263 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 |
1264 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1264 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1265 FAST_DOUBLE_ELEMENTS); | 1265 FAST_DOUBLE_ELEMENTS); |
1266 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 1266 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); |
1267 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1267 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1268 __ jmp(&fast_double_without_map_check); | 1268 __ jmp(&fast_double_without_map_check); |
1269 | 1269 |
1270 __ bind(&non_double_value); | 1270 __ bind(&non_double_value); |
1271 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS | 1271 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS |
1272 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1272 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1273 FAST_ELEMENTS, | 1273 FAST_ELEMENTS, |
1274 receiver_map, | 1274 receiver_map, |
1275 t0, | 1275 t0, |
1276 slow); | 1276 slow); |
1277 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 | 1277 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 |
1278 mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 1278 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
1279 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 1279 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, |
1280 slow); | 1280 slow); |
1281 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1281 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1282 __ jmp(&finish_object_store); | 1282 __ jmp(&finish_object_store); |
1283 | 1283 |
1284 __ bind(&transition_double_elements); | 1284 __ bind(&transition_double_elements); |
1285 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 1285 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
1286 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 1286 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
1287 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 1287 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
1288 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 1288 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
1289 FAST_ELEMENTS, | 1289 FAST_ELEMENTS, |
1290 receiver_map, | 1290 receiver_map, |
1291 t0, | 1291 t0, |
1292 slow); | 1292 slow); |
1293 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 | 1293 ASSERT(receiver_map.is(a3)); // Transition code expects map in a3 |
1294 mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 1294 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
1295 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 1295 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); |
1296 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1296 __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1297 __ jmp(&finish_object_store); | 1297 __ jmp(&finish_object_store); |
1298 } | 1298 } |
1299 | 1299 |
1300 | 1300 |
1301 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 1301 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
1302 StrictModeFlag strict_mode) { | 1302 StrictModeFlag strict_mode) { |
1303 // ---------- S t a t e -------------- | 1303 // ---------- S t a t e -------------- |
1304 // -- a0 : value | 1304 // -- a0 : value |
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1488 | 1488 |
1489 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { | 1489 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
1490 // ---------- S t a t e -------------- | 1490 // ---------- S t a t e -------------- |
1491 // -- a2 : receiver | 1491 // -- a2 : receiver |
1492 // -- a3 : target map | 1492 // -- a3 : target map |
1493 // -- ra : return address | 1493 // -- ra : return address |
1494 // ----------------------------------- | 1494 // ----------------------------------- |
1495 // Must return the modified receiver in v0. | 1495 // Must return the modified receiver in v0. |
1496 if (!FLAG_trace_elements_transitions) { | 1496 if (!FLAG_trace_elements_transitions) { |
1497 Label fail; | 1497 Label fail; |
1498 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1498 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1499 FAST_DOUBLE_ELEMENTS); | 1499 FAST_DOUBLE_ELEMENTS); |
1500 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | 1500 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
1501 __ Ret(USE_DELAY_SLOT); | 1501 __ Ret(USE_DELAY_SLOT); |
1502 __ mov(v0, a2); | 1502 __ mov(v0, a2); |
1503 __ bind(&fail); | 1503 __ bind(&fail); |
1504 } | 1504 } |
1505 | 1505 |
1506 __ push(a2); | 1506 __ push(a2); |
1507 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | 1507 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
1508 } | 1508 } |
1509 | 1509 |
1510 | 1510 |
1511 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | 1511 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
1512 MacroAssembler* masm) { | 1512 MacroAssembler* masm) { |
1513 // ---------- S t a t e -------------- | 1513 // ---------- S t a t e -------------- |
1514 // -- a2 : receiver | 1514 // -- a2 : receiver |
1515 // -- a3 : target map | 1515 // -- a3 : target map |
1516 // -- ra : return address | 1516 // -- ra : return address |
1517 // ----------------------------------- | 1517 // ----------------------------------- |
1518 // Must return the modified receiver in v0. | 1518 // Must return the modified receiver in v0. |
1519 if (!FLAG_trace_elements_transitions) { | 1519 if (!FLAG_trace_elements_transitions) { |
1520 Label fail; | 1520 Label fail; |
1521 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, | 1521 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
1522 FAST_ELEMENTS); | 1522 FAST_ELEMENTS); |
1523 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | 1523 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
1524 __ Ret(USE_DELAY_SLOT); | 1524 __ Ret(USE_DELAY_SLOT); |
1525 __ mov(v0, a2); | 1525 __ mov(v0, a2); |
1526 __ bind(&fail); | 1526 __ bind(&fail); |
1527 } | 1527 } |
1528 | 1528 |
1529 __ push(a2); | 1529 __ push(a2); |
1530 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); | 1530 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
1531 } | 1531 } |
1532 | 1532 |
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1704 } else { | 1704 } else { |
1705 ASSERT(Assembler::IsBne(branch_instr)); | 1705 ASSERT(Assembler::IsBne(branch_instr)); |
1706 patcher.ChangeBranchCondition(eq); | 1706 patcher.ChangeBranchCondition(eq); |
1707 } | 1707 } |
1708 } | 1708 } |
1709 | 1709 |
1710 | 1710 |
1711 } } // namespace v8::internal | 1711 } } // namespace v8::internal |
1712 | 1712 |
1713 #endif // V8_TARGET_ARCH_MIPS | 1713 #endif // V8_TARGET_ARCH_MIPS |
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