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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 // 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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #if defined(V8_TARGET_ARCH_A64) | 30 #if V8_TARGET_ARCH_A64 |
31 | 31 |
32 #include "a64/assembler-a64.h" | 32 #include "a64/assembler-a64.h" |
33 #include "code-stubs.h" | 33 #include "code-stubs.h" |
34 #include "codegen.h" | 34 #include "codegen.h" |
35 #include "disasm.h" | 35 #include "disasm.h" |
36 #include "ic-inl.h" | 36 #include "ic-inl.h" |
37 #include "runtime.h" | 37 #include "runtime.h" |
38 #include "stub-cache.h" | 38 #include "stub-cache.h" |
39 | 39 |
40 namespace v8 { | 40 namespace v8 { |
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1348 // -- x0 : value | 1348 // -- x0 : value |
1349 // -- x1 : key | 1349 // -- x1 : key |
1350 // -- x2 : receiver | 1350 // -- x2 : receiver |
1351 // -- x3 : target map | 1351 // -- x3 : target map |
1352 // ----------------------------------- | 1352 // ----------------------------------- |
1353 // Must return the modified receiver in x0. | 1353 // Must return the modified receiver in x0. |
1354 Register receiver = x2; | 1354 Register receiver = x2; |
1355 | 1355 |
1356 if (!FLAG_trace_elements_transitions) { | 1356 if (!FLAG_trace_elements_transitions) { |
1357 Label fail; | 1357 Label fail; |
1358 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1358 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1359 FAST_DOUBLE_ELEMENTS); | 1359 FAST_DOUBLE_ELEMENTS); |
1360 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | 1360 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
1361 __ Mov(x0, receiver); | 1361 __ Mov(x0, receiver); |
1362 __ Ret(); | 1362 __ Ret(); |
1363 __ Bind(&fail); | 1363 __ Bind(&fail); |
1364 } | 1364 } |
1365 | 1365 |
1366 __ Push(receiver); | 1366 __ Push(receiver); |
1367 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); | 1367 __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
1368 } | 1368 } |
1369 | 1369 |
1370 | 1370 |
1371 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( | 1371 void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
1372 MacroAssembler* masm) { | 1372 MacroAssembler* masm) { |
1373 ASM_LOCATION("KeyedStoreIC::GenerateTransitionElementsDoubleToObject"); | 1373 ASM_LOCATION("KeyedStoreIC::GenerateTransitionElementsDoubleToObject"); |
1374 // ---------- S t a t e -------------- | 1374 // ---------- S t a t e -------------- |
1375 // -- x2 : receiver | 1375 // -- x2 : receiver |
1376 // -- x3 : target map | 1376 // -- x3 : target map |
1377 // -- lr : return address | 1377 // -- lr : return address |
1378 // ----------------------------------- | 1378 // ----------------------------------- |
1379 // Must return the modified receiver in r0. | 1379 // Must return the modified receiver in r0. |
1380 Register receiver = x2; | 1380 Register receiver = x2; |
1381 | 1381 |
1382 if (!FLAG_trace_elements_transitions) { | 1382 if (!FLAG_trace_elements_transitions) { |
1383 Label fail; | 1383 Label fail; |
1384 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, | 1384 AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
1385 FAST_ELEMENTS); | 1385 FAST_ELEMENTS); |
1386 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | 1386 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
1387 __ Mov(x0, receiver); | 1387 __ Mov(x0, receiver); |
1388 __ Ret(); | 1388 __ Ret(); |
1389 __ Bind(&fail); | 1389 __ Bind(&fail); |
1390 } | 1390 } |
1391 | 1391 |
1392 __ Push(receiver); | 1392 __ Push(receiver); |
1393 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); | 1393 __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
1394 } | 1394 } |
1395 | 1395 |
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1511 __ JumpIfNotRoot(x10, Heap::kHeapNumberMapRootIndex, &non_double_value); | 1511 __ JumpIfNotRoot(x10, Heap::kHeapNumberMapRootIndex, &non_double_value); |
1512 | 1512 |
1513 // Value is a double. Transition FAST_SMI_ELEMENTS -> | 1513 // Value is a double. Transition FAST_SMI_ELEMENTS -> |
1514 // FAST_DOUBLE_ELEMENTS and complete the store. | 1514 // FAST_DOUBLE_ELEMENTS and complete the store. |
1515 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1515 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1516 FAST_DOUBLE_ELEMENTS, | 1516 FAST_DOUBLE_ELEMENTS, |
1517 receiver_map, | 1517 receiver_map, |
1518 x10, | 1518 x10, |
1519 slow); | 1519 slow); |
1520 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. | 1520 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. |
1521 AllocationSiteMode mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, | 1521 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
1522 FAST_DOUBLE_ELEMENTS); | 1522 FAST_DOUBLE_ELEMENTS); |
1523 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 1523 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); |
1524 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1524 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1525 __ B(&fast_double_without_map_check); | 1525 __ B(&fast_double_without_map_check); |
1526 | 1526 |
1527 __ Bind(&non_double_value); | 1527 __ Bind(&non_double_value); |
1528 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS. | 1528 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS. |
1529 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1529 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1530 FAST_ELEMENTS, | 1530 FAST_ELEMENTS, |
1531 receiver_map, | 1531 receiver_map, |
1532 x10, | 1532 x10, |
1533 slow); | 1533 slow); |
1534 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. | 1534 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. |
1535 mode = AllocationSiteInfo::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 1535 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
1536 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 1536 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, |
1537 slow); | 1537 slow); |
1538 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1538 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1539 __ B(&finish_store); | 1539 __ B(&finish_store); |
1540 | 1540 |
1541 __ Bind(&transition_double_elements); | 1541 __ Bind(&transition_double_elements); |
1542 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 1542 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
1543 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 1543 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
1544 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 1544 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
1545 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 1545 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
1546 FAST_ELEMENTS, | 1546 FAST_ELEMENTS, |
1547 receiver_map, | 1547 receiver_map, |
1548 x10, | 1548 x10, |
1549 slow); | 1549 slow); |
1550 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. | 1550 ASSERT(receiver_map.Is(x3)); // Transition code expects map in x3. |
1551 mode = AllocationSiteInfo::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 1551 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
1552 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 1552 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); |
1553 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1553 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1554 __ B(&finish_store); | 1554 __ B(&finish_store); |
1555 } | 1555 } |
1556 | 1556 |
1557 | 1557 |
1558 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 1558 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
1559 StrictModeFlag strict_mode) { | 1559 StrictModeFlag strict_mode) { |
1560 ASM_LOCATION("KeyedStoreIC::GenerateGeneric"); | 1560 ASM_LOCATION("KeyedStoreIC::GenerateGeneric"); |
1561 // ---------- S t a t e -------------- | 1561 // ---------- S t a t e -------------- |
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1850 ASSERT(to_patch->Mask(TestBranchMask) == TBNZ); | 1850 ASSERT(to_patch->Mask(TestBranchMask) == TBNZ); |
1851 // This is JumpIfSmi(smi_reg, branch_imm). | 1851 // This is JumpIfSmi(smi_reg, branch_imm). |
1852 patcher.tbz(smi_reg, 0, branch_imm); | 1852 patcher.tbz(smi_reg, 0, branch_imm); |
1853 } | 1853 } |
1854 } | 1854 } |
1855 | 1855 |
1856 | 1856 |
1857 } } // namespace v8::internal | 1857 } } // namespace v8::internal |
1858 | 1858 |
1859 #endif // V8_TARGET_ARCH_A64 | 1859 #endif // V8_TARGET_ARCH_A64 |
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