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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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1586 index.translate(holder), Representation::Tagged()); | 1586 index.translate(holder), Representation::Tagged()); |
1587 GenerateJumpFunction(object, rdi, &miss); | 1587 GenerateJumpFunction(object, rdi, &miss); |
1588 | 1588 |
1589 HandlerFrontendFooter(&miss); | 1589 HandlerFrontendFooter(&miss); |
1590 | 1590 |
1591 // Return the generated code. | 1591 // Return the generated code. |
1592 return GetCode(Code::FAST, name); | 1592 return GetCode(Code::FAST, name); |
1593 } | 1593 } |
1594 | 1594 |
1595 | 1595 |
| 1596 Handle<Code> CallStubCompiler::CompileArrayPopCall( |
| 1597 Handle<Object> object, |
| 1598 Handle<JSObject> holder, |
| 1599 Handle<Cell> cell, |
| 1600 Handle<JSFunction> function, |
| 1601 Handle<String> name, |
| 1602 Code::StubType type) { |
| 1603 // If object is not an array or is observed or sealed, bail out to regular |
| 1604 // call. |
| 1605 if (!object->IsJSArray() || |
| 1606 !cell.is_null() || |
| 1607 Handle<JSArray>::cast(object)->map()->is_observed() || |
| 1608 !Handle<JSArray>::cast(object)->map()->is_extensible()) { |
| 1609 return Handle<Code>::null(); |
| 1610 } |
| 1611 |
| 1612 Label miss, return_undefined, call_builtin; |
| 1613 |
| 1614 HandlerFrontendHeader(object, holder, name, RECEIVER_MAP_CHECK, &miss); |
| 1615 |
| 1616 // Get the elements array of the object. |
| 1617 __ movp(rbx, FieldOperand(rdx, JSArray::kElementsOffset)); |
| 1618 |
| 1619 // Check that the elements are in fast mode and writable. |
| 1620 __ CompareRoot(FieldOperand(rbx, HeapObject::kMapOffset), |
| 1621 Heap::kFixedArrayMapRootIndex); |
| 1622 __ j(not_equal, &call_builtin); |
| 1623 |
| 1624 // Get the array's length into rcx and calculate new length. |
| 1625 __ SmiToInteger32(rcx, FieldOperand(rdx, JSArray::kLengthOffset)); |
| 1626 __ subl(rcx, Immediate(1)); |
| 1627 __ j(negative, &return_undefined); |
| 1628 |
| 1629 // Get the last element. |
| 1630 __ LoadRoot(r9, Heap::kTheHoleValueRootIndex); |
| 1631 __ movp(rax, FieldOperand(rbx, |
| 1632 rcx, times_pointer_size, |
| 1633 FixedArray::kHeaderSize)); |
| 1634 // Check if element is already the hole. |
| 1635 __ cmpq(rax, r9); |
| 1636 // If so, call slow-case to also check prototypes for value. |
| 1637 __ j(equal, &call_builtin); |
| 1638 |
| 1639 // Set the array's length. |
| 1640 __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rcx); |
| 1641 |
| 1642 // Fill with the hole and return original value. |
| 1643 __ movp(FieldOperand(rbx, |
| 1644 rcx, times_pointer_size, |
| 1645 FixedArray::kHeaderSize), |
| 1646 r9); |
| 1647 const int argc = arguments().immediate(); |
| 1648 __ ret((argc + 1) * kPointerSize); |
| 1649 |
| 1650 __ bind(&return_undefined); |
| 1651 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
| 1652 __ ret((argc + 1) * kPointerSize); |
| 1653 |
| 1654 __ bind(&call_builtin); |
| 1655 __ TailCallExternalReference( |
| 1656 ExternalReference(Builtins::c_ArrayPop, isolate()), |
| 1657 argc + 1, |
| 1658 1); |
| 1659 |
| 1660 HandlerFrontendFooter(&miss); |
| 1661 |
| 1662 // Return the generated code. |
| 1663 return GetCode(type, name); |
| 1664 } |
| 1665 |
| 1666 |
1596 Handle<Code> CallStubCompiler::CompileFastApiCall( | 1667 Handle<Code> CallStubCompiler::CompileFastApiCall( |
1597 const CallOptimization& optimization, | 1668 const CallOptimization& optimization, |
1598 Handle<Object> object, | 1669 Handle<Object> object, |
1599 Handle<JSObject> holder, | 1670 Handle<JSObject> holder, |
1600 Handle<Cell> cell, | 1671 Handle<Cell> cell, |
1601 Handle<JSFunction> function, | 1672 Handle<JSFunction> function, |
1602 Handle<String> name) { | 1673 Handle<String> name) { |
1603 ASSERT(optimization.is_simple_api_call()); | 1674 ASSERT(optimization.is_simple_api_call()); |
1604 // Bail out if object is a global object as we don't want to | 1675 // Bail out if object is a global object as we don't want to |
1605 // repatch it to global receiver. | 1676 // repatch it to global receiver. |
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2178 // ----------------------------------- | 2249 // ----------------------------------- |
2179 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 2250 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
2180 } | 2251 } |
2181 | 2252 |
2182 | 2253 |
2183 #undef __ | 2254 #undef __ |
2184 | 2255 |
2185 } } // namespace v8::internal | 2256 } } // namespace v8::internal |
2186 | 2257 |
2187 #endif // V8_TARGET_ARCH_X64 | 2258 #endif // V8_TARGET_ARCH_X64 |
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