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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 6 | 6 |
| 7 #include "src/arm64/frames-arm64.h" | 7 #include "src/arm64/frames-arm64.h" |
| 8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
| 9 #include "src/debug/debug.h" | 9 #include "src/debug/debug.h" |
| 10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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| 1739 | 1739 |
| 1740 // And "return" to the OSR entry point of the function. | 1740 // And "return" to the OSR entry point of the function. |
| 1741 __ Ret(); | 1741 __ Ret(); |
| 1742 } | 1742 } |
| 1743 | 1743 |
| 1744 | 1744 |
| 1745 // static | 1745 // static |
| 1746 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm, | 1746 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm, |
| 1747 int field_index) { | 1747 int field_index) { |
| 1748 // ----------- S t a t e ------------- | 1748 // ----------- S t a t e ------------- |
| 1749 // -- x0 : number of arguments |
| 1750 // -- x1 : function |
| 1751 // -- cp : context |
| 1749 // -- lr : return address | 1752 // -- lr : return address |
| 1750 // -- jssp[0] : receiver | 1753 // -- jssp[0] : receiver |
| 1751 // ----------------------------------- | 1754 // ----------------------------------- |
| 1752 ASM_LOCATION("Builtins::Generate_DatePrototype_GetField"); | 1755 ASM_LOCATION("Builtins::Generate_DatePrototype_GetField"); |
| 1753 | 1756 |
| 1754 // 1. Pop receiver into x0 and check that it's actually a JSDate object. | 1757 // 1. Pop receiver into x0 and check that it's actually a JSDate object. |
| 1755 Label receiver_not_date; | 1758 Label receiver_not_date; |
| 1756 { | 1759 { |
| 1760 __ Move(x4, x0); // Store argc for builtin frame construction. |
| 1757 __ Pop(x0); | 1761 __ Pop(x0); |
| 1758 __ JumpIfSmi(x0, &receiver_not_date); | 1762 __ JumpIfSmi(x0, &receiver_not_date); |
| 1759 __ JumpIfNotObjectType(x0, x1, x2, JS_DATE_TYPE, &receiver_not_date); | 1763 __ JumpIfNotObjectType(x0, x2, x3, JS_DATE_TYPE, &receiver_not_date); |
| 1760 } | 1764 } |
| 1761 | 1765 |
| 1762 // 2. Load the specified date field, falling back to the runtime as necessary. | 1766 // 2. Load the specified date field, falling back to the runtime as necessary. |
| 1763 if (field_index == JSDate::kDateValue) { | 1767 if (field_index == JSDate::kDateValue) { |
| 1764 __ Ldr(x0, FieldMemOperand(x0, JSDate::kValueOffset)); | 1768 __ Ldr(x0, FieldMemOperand(x0, JSDate::kValueOffset)); |
| 1765 } else { | 1769 } else { |
| 1766 if (field_index < JSDate::kFirstUncachedField) { | 1770 if (field_index < JSDate::kFirstUncachedField) { |
| 1767 Label stamp_mismatch; | 1771 Label stamp_mismatch; |
| 1768 __ Mov(x1, ExternalReference::date_cache_stamp(masm->isolate())); | 1772 __ Mov(x1, ExternalReference::date_cache_stamp(masm->isolate())); |
| 1769 __ Ldr(x1, MemOperand(x1)); | 1773 __ Ldr(x1, MemOperand(x1)); |
| 1770 __ Ldr(x2, FieldMemOperand(x0, JSDate::kCacheStampOffset)); | 1774 __ Ldr(x2, FieldMemOperand(x0, JSDate::kCacheStampOffset)); |
| 1771 __ Cmp(x1, x2); | 1775 __ Cmp(x1, x2); |
| 1772 __ B(ne, &stamp_mismatch); | 1776 __ B(ne, &stamp_mismatch); |
| 1773 __ Ldr(x0, FieldMemOperand( | 1777 __ Ldr(x0, FieldMemOperand( |
| 1774 x0, JSDate::kValueOffset + field_index * kPointerSize)); | 1778 x0, JSDate::kValueOffset + field_index * kPointerSize)); |
| 1775 __ Ret(); | 1779 __ Ret(); |
| 1776 __ Bind(&stamp_mismatch); | 1780 __ Bind(&stamp_mismatch); |
| 1777 } | 1781 } |
| 1778 FrameScope scope(masm, StackFrame::INTERNAL); | 1782 FrameScope scope(masm, StackFrame::INTERNAL); |
| 1779 __ Mov(x1, Smi::FromInt(field_index)); | 1783 __ Mov(x1, Smi::FromInt(field_index)); |
| 1780 __ CallCFunction( | 1784 __ CallCFunction( |
| 1781 ExternalReference::get_date_field_function(masm->isolate()), 2); | 1785 ExternalReference::get_date_field_function(masm->isolate()), 2); |
| 1782 } | 1786 } |
| 1783 __ Ret(); | 1787 __ Ret(); |
| 1784 | 1788 |
| 1785 // 3. Raise a TypeError if the receiver is not a date. | 1789 // 3. Raise a TypeError if the receiver is not a date. |
| 1786 __ Bind(&receiver_not_date); | 1790 __ Bind(&receiver_not_date); |
| 1787 __ TailCallRuntime(Runtime::kThrowNotDateError); | 1791 { |
| 1792 FrameScope scope(masm, StackFrame::MANUAL); |
| 1793 __ Push(x0, lr, fp); |
| 1794 __ Move(fp, jssp); |
| 1795 __ SmiTag(x4); |
| 1796 __ Push(cp, x1, x4); |
| 1797 __ CallRuntime(Runtime::kThrowNotDateError); |
| 1798 } |
| 1788 } | 1799 } |
| 1789 | 1800 |
| 1790 // static | 1801 // static |
| 1791 void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) { | 1802 void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) { |
| 1792 // ----------- S t a t e ------------- | 1803 // ----------- S t a t e ------------- |
| 1793 // -- x0 : argc | 1804 // -- x0 : argc |
| 1794 // -- jssp[0] : argArray (if argc == 2) | 1805 // -- jssp[0] : argArray (if argc == 2) |
| 1795 // -- jssp[8] : thisArg (if argc >= 1) | 1806 // -- jssp[8] : thisArg (if argc >= 1) |
| 1796 // -- jssp[16] : receiver | 1807 // -- jssp[16] : receiver |
| 1797 // ----------------------------------- | 1808 // ----------------------------------- |
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| 2994 } | 3005 } |
| 2995 } | 3006 } |
| 2996 | 3007 |
| 2997 | 3008 |
| 2998 #undef __ | 3009 #undef __ |
| 2999 | 3010 |
| 3000 } // namespace internal | 3011 } // namespace internal |
| 3001 } // namespace v8 | 3012 } // namespace v8 |
| 3002 | 3013 |
| 3003 #endif // V8_TARGET_ARCH_ARM | 3014 #endif // V8_TARGET_ARCH_ARM |
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