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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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1527 index.translate(holder), Representation::Tagged()); | 1527 index.translate(holder), Representation::Tagged()); |
1528 GenerateJumpFunction(object, rdi, &miss); | 1528 GenerateJumpFunction(object, rdi, &miss); |
1529 | 1529 |
1530 HandlerFrontendFooter(&miss); | 1530 HandlerFrontendFooter(&miss); |
1531 | 1531 |
1532 // Return the generated code. | 1532 // Return the generated code. |
1533 return GetCode(Code::FAST, name); | 1533 return GetCode(Code::FAST, name); |
1534 } | 1534 } |
1535 | 1535 |
1536 | 1536 |
1537 Handle<Code> CallStubCompiler::CompileArrayPopCall( | |
1538 Handle<Object> object, | |
1539 Handle<JSObject> holder, | |
1540 Handle<Cell> cell, | |
1541 Handle<JSFunction> function, | |
1542 Handle<String> name, | |
1543 Code::StubType type) { | |
1544 // If object is not an array or is observed or sealed, bail out to regular | |
1545 // call. | |
1546 if (!object->IsJSArray() || | |
1547 !cell.is_null() || | |
1548 Handle<JSArray>::cast(object)->map()->is_observed() || | |
1549 !Handle<JSArray>::cast(object)->map()->is_extensible()) { | |
1550 return Handle<Code>::null(); | |
1551 } | |
1552 | |
1553 Label miss, return_undefined, call_builtin; | |
1554 | |
1555 HandlerFrontendHeader(object, holder, name, RECEIVER_MAP_CHECK, &miss); | |
1556 | |
1557 // Get the elements array of the object. | |
1558 __ movp(rbx, FieldOperand(rdx, JSArray::kElementsOffset)); | |
1559 | |
1560 // Check that the elements are in fast mode and writable. | |
1561 __ CompareRoot(FieldOperand(rbx, HeapObject::kMapOffset), | |
1562 Heap::kFixedArrayMapRootIndex); | |
1563 __ j(not_equal, &call_builtin); | |
1564 | |
1565 // Get the array's length into rcx and calculate new length. | |
1566 __ SmiToInteger32(rcx, FieldOperand(rdx, JSArray::kLengthOffset)); | |
1567 __ subl(rcx, Immediate(1)); | |
1568 __ j(negative, &return_undefined); | |
1569 | |
1570 // Get the last element. | |
1571 __ LoadRoot(r9, Heap::kTheHoleValueRootIndex); | |
1572 __ movp(rax, FieldOperand(rbx, | |
1573 rcx, times_pointer_size, | |
1574 FixedArray::kHeaderSize)); | |
1575 // Check if element is already the hole. | |
1576 __ cmpq(rax, r9); | |
1577 // If so, call slow-case to also check prototypes for value. | |
1578 __ j(equal, &call_builtin); | |
1579 | |
1580 // Set the array's length. | |
1581 __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rcx); | |
1582 | |
1583 // Fill with the hole and return original value. | |
1584 __ movp(FieldOperand(rbx, | |
1585 rcx, times_pointer_size, | |
1586 FixedArray::kHeaderSize), | |
1587 r9); | |
1588 const int argc = arguments().immediate(); | |
1589 __ ret((argc + 1) * kPointerSize); | |
1590 | |
1591 __ bind(&return_undefined); | |
1592 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); | |
1593 __ ret((argc + 1) * kPointerSize); | |
1594 | |
1595 __ bind(&call_builtin); | |
1596 __ TailCallExternalReference( | |
1597 ExternalReference(Builtins::c_ArrayPop, isolate()), | |
1598 argc + 1, | |
1599 1); | |
1600 | |
1601 HandlerFrontendFooter(&miss); | |
1602 | |
1603 // Return the generated code. | |
1604 return GetCode(type, name); | |
1605 } | |
1606 | |
1607 | |
1608 Handle<Code> CallStubCompiler::CompileFastApiCall( | 1537 Handle<Code> CallStubCompiler::CompileFastApiCall( |
1609 const CallOptimization& optimization, | 1538 const CallOptimization& optimization, |
1610 Handle<Object> object, | 1539 Handle<Object> object, |
1611 Handle<JSObject> holder, | 1540 Handle<JSObject> holder, |
1612 Handle<Cell> cell, | 1541 Handle<Cell> cell, |
1613 Handle<JSFunction> function, | 1542 Handle<JSFunction> function, |
1614 Handle<String> name) { | 1543 Handle<String> name) { |
1615 ASSERT(optimization.is_simple_api_call()); | 1544 ASSERT(optimization.is_simple_api_call()); |
1616 // Bail out if object is a global object as we don't want to | 1545 // Bail out if object is a global object as we don't want to |
1617 // repatch it to global receiver. | 1546 // repatch it to global receiver. |
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2182 // ----------------------------------- | 2111 // ----------------------------------- |
2183 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 2112 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
2184 } | 2113 } |
2185 | 2114 |
2186 | 2115 |
2187 #undef __ | 2116 #undef __ |
2188 | 2117 |
2189 } } // namespace v8::internal | 2118 } } // namespace v8::internal |
2190 | 2119 |
2191 #endif // V8_TARGET_ARCH_X64 | 2120 #endif // V8_TARGET_ARCH_X64 |
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