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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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1223 | 1223 |
1224 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { | 1224 void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
1225 // ---------- S t a t e -------------- | 1225 // ---------- S t a t e -------------- |
1226 // -- r2 : receiver | 1226 // -- r2 : receiver |
1227 // -- r3 : target map | 1227 // -- r3 : target map |
1228 // -- lr : return address | 1228 // -- lr : return address |
1229 // ----------------------------------- | 1229 // ----------------------------------- |
1230 // Must return the modified receiver in r0. | 1230 // Must return the modified receiver in r0. |
1231 if (!FLAG_trace_elements_transitions) { | 1231 if (!FLAG_trace_elements_transitions) { |
1232 Label fail; | 1232 Label fail; |
1233 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1233 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1234 FAST_DOUBLE_ELEMENTS); | 1234 FAST_DOUBLE_ELEMENTS); |
1235 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | 1235 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
1236 __ mov(r0, r2); | 1236 __ mov(r0, r2); |
1237 __ Ret(); | 1237 __ Ret(); |
1238 __ bind(&fail); | 1238 __ bind(&fail); |
1239 } | 1239 } |
1240 | 1240 |
1241 __ push(r2); | 1241 __ push(r2); |
1242 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | 1242 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
1243 } | 1243 } |
1244 | 1244 |
1245 | 1245 |
1246 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | 1246 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
1247 MacroAssembler* masm) { | 1247 MacroAssembler* masm) { |
1248 // ---------- S t a t e -------------- | 1248 // ---------- S t a t e -------------- |
1249 // -- r2 : receiver | 1249 // -- r2 : receiver |
1250 // -- r3 : target map | 1250 // -- r3 : target map |
1251 // -- lr : return address | 1251 // -- lr : return address |
1252 // ----------------------------------- | 1252 // ----------------------------------- |
1253 // Must return the modified receiver in r0. | 1253 // Must return the modified receiver in r0. |
1254 if (!FLAG_trace_elements_transitions) { | 1254 if (!FLAG_trace_elements_transitions) { |
1255 Label fail; | 1255 Label fail; |
1256 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, | 1256 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
1257 FAST_ELEMENTS); | 1257 FAST_ELEMENTS); |
1258 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | 1258 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
1259 __ mov(r0, r2); | 1259 __ mov(r0, r2); |
1260 __ Ret(); | 1260 __ Ret(); |
1261 __ bind(&fail); | 1261 __ bind(&fail); |
1262 } | 1262 } |
1263 | 1263 |
1264 __ push(r2); | 1264 __ push(r2); |
1265 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); | 1265 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
1266 } | 1266 } |
1267 | 1267 |
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1377 __ b(ne, &non_double_value); | 1377 __ b(ne, &non_double_value); |
1378 | 1378 |
1379 // Value is a double. Transition FAST_SMI_ELEMENTS -> | 1379 // Value is a double. Transition FAST_SMI_ELEMENTS -> |
1380 // FAST_DOUBLE_ELEMENTS and complete the store. | 1380 // FAST_DOUBLE_ELEMENTS and complete the store. |
1381 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1381 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1382 FAST_DOUBLE_ELEMENTS, | 1382 FAST_DOUBLE_ELEMENTS, |
1383 receiver_map, | 1383 receiver_map, |
1384 r4, | 1384 r4, |
1385 slow); | 1385 slow); |
1386 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | 1386 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 |
1387 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1387 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1388 FAST_DOUBLE_ELEMENTS); | 1388 FAST_DOUBLE_ELEMENTS); |
1389 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 1389 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); |
1390 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1390 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1391 __ jmp(&fast_double_without_map_check); | 1391 __ jmp(&fast_double_without_map_check); |
1392 | 1392 |
1393 __ bind(&non_double_value); | 1393 __ bind(&non_double_value); |
1394 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS | 1394 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS |
1395 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1395 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1396 FAST_ELEMENTS, | 1396 FAST_ELEMENTS, |
1397 receiver_map, | 1397 receiver_map, |
1398 r4, | 1398 r4, |
1399 slow); | 1399 slow); |
1400 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | 1400 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 |
1401 mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 1401 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
1402 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 1402 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, |
1403 slow); | 1403 slow); |
1404 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1404 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1405 __ jmp(&finish_object_store); | 1405 __ jmp(&finish_object_store); |
1406 | 1406 |
1407 __ bind(&transition_double_elements); | 1407 __ bind(&transition_double_elements); |
1408 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 1408 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
1409 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 1409 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
1410 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 1410 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
1411 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 1411 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
1412 FAST_ELEMENTS, | 1412 FAST_ELEMENTS, |
1413 receiver_map, | 1413 receiver_map, |
1414 r4, | 1414 r4, |
1415 slow); | 1415 slow); |
1416 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | 1416 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 |
1417 mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 1417 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
1418 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 1418 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); |
1419 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1419 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1420 __ jmp(&finish_object_store); | 1420 __ jmp(&finish_object_store); |
1421 } | 1421 } |
1422 | 1422 |
1423 | 1423 |
1424 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 1424 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
1425 StrictModeFlag strict_mode) { | 1425 StrictModeFlag strict_mode) { |
1426 // ---------- S t a t e -------------- | 1426 // ---------- S t a t e -------------- |
1427 // -- r0 : value | 1427 // -- r0 : value |
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1697 } else { | 1697 } else { |
1698 ASSERT(Assembler::GetCondition(branch_instr) == ne); | 1698 ASSERT(Assembler::GetCondition(branch_instr) == ne); |
1699 patcher.EmitCondition(eq); | 1699 patcher.EmitCondition(eq); |
1700 } | 1700 } |
1701 } | 1701 } |
1702 | 1702 |
1703 | 1703 |
1704 } } // namespace v8::internal | 1704 } } // namespace v8::internal |
1705 | 1705 |
1706 #endif // V8_TARGET_ARCH_ARM | 1706 #endif // V8_TARGET_ARCH_ARM |
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