| OLD | NEW |
| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
| (...skipping 1689 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1700 // If length is not zero, "tos_" contains a non-zero value ==> true. | 1700 // If length is not zero, "tos_" contains a non-zero value ==> true. |
| 1701 __ Ret(); | 1701 __ Ret(); |
| 1702 | 1702 |
| 1703 // Return 0 in "tos_" for false . | 1703 // Return 0 in "tos_" for false . |
| 1704 __ bind(&false_result); | 1704 __ bind(&false_result); |
| 1705 __ mov(tos_, Operand(0, RelocInfo::NONE)); | 1705 __ mov(tos_, Operand(0, RelocInfo::NONE)); |
| 1706 __ Ret(); | 1706 __ Ret(); |
| 1707 } | 1707 } |
| 1708 | 1708 |
| 1709 | 1709 |
| 1710 Handle<Code> GetTypeRecordingUnaryOpStub(int key, | 1710 Handle<Code> GetUnaryOpStub(int key, UnaryOpIC::TypeInfo type_info) { |
| 1711 TRUnaryOpIC::TypeInfo type_info) { | 1711 UnaryOpStub stub(key, type_info); |
| 1712 TypeRecordingUnaryOpStub stub(key, type_info); | |
| 1713 return stub.GetCode(); | 1712 return stub.GetCode(); |
| 1714 } | 1713 } |
| 1715 | 1714 |
| 1716 | 1715 |
| 1717 const char* TypeRecordingUnaryOpStub::GetName() { | 1716 const char* UnaryOpStub::GetName() { |
| 1718 if (name_ != NULL) return name_; | 1717 if (name_ != NULL) return name_; |
| 1719 const int kMaxNameLength = 100; | 1718 const int kMaxNameLength = 100; |
| 1720 name_ = Isolate::Current()->bootstrapper()->AllocateAutoDeletedArray( | 1719 name_ = Isolate::Current()->bootstrapper()->AllocateAutoDeletedArray( |
| 1721 kMaxNameLength); | 1720 kMaxNameLength); |
| 1722 if (name_ == NULL) return "OOM"; | 1721 if (name_ == NULL) return "OOM"; |
| 1723 const char* op_name = Token::Name(op_); | 1722 const char* op_name = Token::Name(op_); |
| 1724 const char* overwrite_name = NULL; // Make g++ happy. | 1723 const char* overwrite_name = NULL; // Make g++ happy. |
| 1725 switch (mode_) { | 1724 switch (mode_) { |
| 1726 case UNARY_NO_OVERWRITE: overwrite_name = "Alloc"; break; | 1725 case UNARY_NO_OVERWRITE: overwrite_name = "Alloc"; break; |
| 1727 case UNARY_OVERWRITE: overwrite_name = "Overwrite"; break; | 1726 case UNARY_OVERWRITE: overwrite_name = "Overwrite"; break; |
| 1728 } | 1727 } |
| 1729 | 1728 |
| 1730 OS::SNPrintF(Vector<char>(name_, kMaxNameLength), | 1729 OS::SNPrintF(Vector<char>(name_, kMaxNameLength), |
| 1731 "TypeRecordingUnaryOpStub_%s_%s_%s", | 1730 "UnaryOpStub_%s_%s_%s", |
| 1732 op_name, | 1731 op_name, |
| 1733 overwrite_name, | 1732 overwrite_name, |
| 1734 TRUnaryOpIC::GetName(operand_type_)); | 1733 UnaryOpIC::GetName(operand_type_)); |
| 1735 return name_; | 1734 return name_; |
| 1736 } | 1735 } |
| 1737 | 1736 |
| 1738 | 1737 |
| 1739 // TODO(svenpanne): Use virtual functions instead of switch. | 1738 // TODO(svenpanne): Use virtual functions instead of switch. |
| 1740 void TypeRecordingUnaryOpStub::Generate(MacroAssembler* masm) { | 1739 void UnaryOpStub::Generate(MacroAssembler* masm) { |
| 1741 switch (operand_type_) { | 1740 switch (operand_type_) { |
| 1742 case TRUnaryOpIC::UNINITIALIZED: | 1741 case UnaryOpIC::UNINITIALIZED: |
| 1743 GenerateTypeTransition(masm); | 1742 GenerateTypeTransition(masm); |
| 1744 break; | 1743 break; |
| 1745 case TRUnaryOpIC::SMI: | 1744 case UnaryOpIC::SMI: |
| 1746 GenerateSmiStub(masm); | 1745 GenerateSmiStub(masm); |
| 1747 break; | 1746 break; |
| 1748 case TRUnaryOpIC::HEAP_NUMBER: | 1747 case UnaryOpIC::HEAP_NUMBER: |
| 1749 GenerateHeapNumberStub(masm); | 1748 GenerateHeapNumberStub(masm); |
| 1750 break; | 1749 break; |
| 1751 case TRUnaryOpIC::GENERIC: | 1750 case UnaryOpIC::GENERIC: |
| 1752 GenerateGenericStub(masm); | 1751 GenerateGenericStub(masm); |
| 1753 break; | 1752 break; |
| 1754 } | 1753 } |
| 1755 } | 1754 } |
| 1756 | 1755 |
| 1757 | 1756 |
| 1758 void TypeRecordingUnaryOpStub::GenerateTypeTransition(MacroAssembler* masm) { | 1757 void UnaryOpStub::GenerateTypeTransition(MacroAssembler* masm) { |
| 1759 // Prepare to push argument. | 1758 // Prepare to push argument. |
| 1760 __ mov(r3, Operand(r0)); | 1759 __ mov(r3, Operand(r0)); |
| 1761 | 1760 |
| 1762 // Push this stub's key. Although the operation and the type info are | 1761 // Push this stub's key. Although the operation and the type info are |
| 1763 // encoded into the key, the encoding is opaque, so push them too. | 1762 // encoded into the key, the encoding is opaque, so push them too. |
| 1764 __ mov(r2, Operand(Smi::FromInt(MinorKey()))); | 1763 __ mov(r2, Operand(Smi::FromInt(MinorKey()))); |
| 1765 __ mov(r1, Operand(Smi::FromInt(op_))); | 1764 __ mov(r1, Operand(Smi::FromInt(op_))); |
| 1766 __ mov(r0, Operand(Smi::FromInt(operand_type_))); | 1765 __ mov(r0, Operand(Smi::FromInt(operand_type_))); |
| 1767 | 1766 |
| 1768 __ Push(r3, r2, r1, r0); | 1767 __ Push(r3, r2, r1, r0); |
| 1769 | 1768 |
| 1770 __ TailCallExternalReference( | 1769 __ TailCallExternalReference( |
| 1771 ExternalReference(IC_Utility(IC::kTypeRecordingUnaryOp_Patch), | 1770 ExternalReference(IC_Utility(IC::kUnaryOp_Patch), |
| 1772 masm->isolate()), | 1771 masm->isolate()), |
| 1773 4, | 1772 4, |
| 1774 1); | 1773 1); |
| 1775 } | 1774 } |
| 1776 | 1775 |
| 1777 | 1776 |
| 1778 // TODO(svenpanne): Use virtual functions instead of switch. | 1777 // TODO(svenpanne): Use virtual functions instead of switch. |
| 1779 void TypeRecordingUnaryOpStub::GenerateSmiStub(MacroAssembler* masm) { | 1778 void UnaryOpStub::GenerateSmiStub(MacroAssembler* masm) { |
| 1780 switch (op_) { | 1779 switch (op_) { |
| 1781 case Token::SUB: | 1780 case Token::SUB: |
| 1782 GenerateSmiStubSub(masm); | 1781 GenerateSmiStubSub(masm); |
| 1783 break; | 1782 break; |
| 1784 case Token::BIT_NOT: | 1783 case Token::BIT_NOT: |
| 1785 GenerateSmiStubBitNot(masm); | 1784 GenerateSmiStubBitNot(masm); |
| 1786 break; | 1785 break; |
| 1787 default: | 1786 default: |
| 1788 UNREACHABLE(); | 1787 UNREACHABLE(); |
| 1789 } | 1788 } |
| 1790 } | 1789 } |
| 1791 | 1790 |
| 1792 | 1791 |
| 1793 void TypeRecordingUnaryOpStub::GenerateSmiStubSub(MacroAssembler* masm) { | 1792 void UnaryOpStub::GenerateSmiStubSub(MacroAssembler* masm) { |
| 1794 Label non_smi, slow; | 1793 Label non_smi, slow; |
| 1795 GenerateSmiCodeSub(masm, &non_smi, &slow); | 1794 GenerateSmiCodeSub(masm, &non_smi, &slow); |
| 1796 __ bind(&non_smi); | 1795 __ bind(&non_smi); |
| 1797 __ bind(&slow); | 1796 __ bind(&slow); |
| 1798 GenerateTypeTransition(masm); | 1797 GenerateTypeTransition(masm); |
| 1799 } | 1798 } |
| 1800 | 1799 |
| 1801 | 1800 |
| 1802 void TypeRecordingUnaryOpStub::GenerateSmiStubBitNot(MacroAssembler* masm) { | 1801 void UnaryOpStub::GenerateSmiStubBitNot(MacroAssembler* masm) { |
| 1803 Label non_smi; | 1802 Label non_smi; |
| 1804 GenerateSmiCodeBitNot(masm, &non_smi); | 1803 GenerateSmiCodeBitNot(masm, &non_smi); |
| 1805 __ bind(&non_smi); | 1804 __ bind(&non_smi); |
| 1806 GenerateTypeTransition(masm); | 1805 GenerateTypeTransition(masm); |
| 1807 } | 1806 } |
| 1808 | 1807 |
| 1809 | 1808 |
| 1810 void TypeRecordingUnaryOpStub::GenerateSmiCodeSub(MacroAssembler* masm, | 1809 void UnaryOpStub::GenerateSmiCodeSub(MacroAssembler* masm, |
| 1811 Label* non_smi, | 1810 Label* non_smi, |
| 1812 Label* slow) { | 1811 Label* slow) { |
| 1813 __ JumpIfNotSmi(r0, non_smi); | 1812 __ JumpIfNotSmi(r0, non_smi); |
| 1814 | 1813 |
| 1815 // The result of negating zero or the smallest negative smi is not a smi. | 1814 // The result of negating zero or the smallest negative smi is not a smi. |
| 1816 __ bic(ip, r0, Operand(0x80000000), SetCC); | 1815 __ bic(ip, r0, Operand(0x80000000), SetCC); |
| 1817 __ b(eq, slow); | 1816 __ b(eq, slow); |
| 1818 | 1817 |
| 1819 // Return '0 - value'. | 1818 // Return '0 - value'. |
| 1820 __ rsb(r0, r0, Operand(0, RelocInfo::NONE)); | 1819 __ rsb(r0, r0, Operand(0, RelocInfo::NONE)); |
| 1821 __ Ret(); | 1820 __ Ret(); |
| 1822 } | 1821 } |
| 1823 | 1822 |
| 1824 | 1823 |
| 1825 void TypeRecordingUnaryOpStub::GenerateSmiCodeBitNot(MacroAssembler* masm, | 1824 void UnaryOpStub::GenerateSmiCodeBitNot(MacroAssembler* masm, |
| 1826 Label* non_smi) { | 1825 Label* non_smi) { |
| 1827 __ JumpIfNotSmi(r0, non_smi); | 1826 __ JumpIfNotSmi(r0, non_smi); |
| 1828 | 1827 |
| 1829 // Flip bits and revert inverted smi-tag. | 1828 // Flip bits and revert inverted smi-tag. |
| 1830 __ mvn(r0, Operand(r0)); | 1829 __ mvn(r0, Operand(r0)); |
| 1831 __ bic(r0, r0, Operand(kSmiTagMask)); | 1830 __ bic(r0, r0, Operand(kSmiTagMask)); |
| 1832 __ Ret(); | 1831 __ Ret(); |
| 1833 } | 1832 } |
| 1834 | 1833 |
| 1835 | 1834 |
| 1836 // TODO(svenpanne): Use virtual functions instead of switch. | 1835 // TODO(svenpanne): Use virtual functions instead of switch. |
| 1837 void TypeRecordingUnaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { | 1836 void UnaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { |
| 1838 switch (op_) { | 1837 switch (op_) { |
| 1839 case Token::SUB: | 1838 case Token::SUB: |
| 1840 GenerateHeapNumberStubSub(masm); | 1839 GenerateHeapNumberStubSub(masm); |
| 1841 break; | 1840 break; |
| 1842 case Token::BIT_NOT: | 1841 case Token::BIT_NOT: |
| 1843 GenerateHeapNumberStubBitNot(masm); | 1842 GenerateHeapNumberStubBitNot(masm); |
| 1844 break; | 1843 break; |
| 1845 default: | 1844 default: |
| 1846 UNREACHABLE(); | 1845 UNREACHABLE(); |
| 1847 } | 1846 } |
| 1848 } | 1847 } |
| 1849 | 1848 |
| 1850 | 1849 |
| 1851 void TypeRecordingUnaryOpStub::GenerateHeapNumberStubSub(MacroAssembler* masm) { | 1850 void UnaryOpStub::GenerateHeapNumberStubSub(MacroAssembler* masm) { |
| 1852 Label non_smi, slow, call_builtin; | 1851 Label non_smi, slow, call_builtin; |
| 1853 GenerateSmiCodeSub(masm, &non_smi, &call_builtin); | 1852 GenerateSmiCodeSub(masm, &non_smi, &call_builtin); |
| 1854 __ bind(&non_smi); | 1853 __ bind(&non_smi); |
| 1855 GenerateHeapNumberCodeSub(masm, &slow); | 1854 GenerateHeapNumberCodeSub(masm, &slow); |
| 1856 __ bind(&slow); | 1855 __ bind(&slow); |
| 1857 GenerateTypeTransition(masm); | 1856 GenerateTypeTransition(masm); |
| 1858 __ bind(&call_builtin); | 1857 __ bind(&call_builtin); |
| 1859 GenerateGenericCodeFallback(masm); | 1858 GenerateGenericCodeFallback(masm); |
| 1860 } | 1859 } |
| 1861 | 1860 |
| 1862 | 1861 |
| 1863 void TypeRecordingUnaryOpStub::GenerateHeapNumberStubBitNot( | 1862 void UnaryOpStub::GenerateHeapNumberStubBitNot(MacroAssembler* masm) { |
| 1864 MacroAssembler* masm) { | |
| 1865 Label non_smi, slow; | 1863 Label non_smi, slow; |
| 1866 GenerateSmiCodeBitNot(masm, &non_smi); | 1864 GenerateSmiCodeBitNot(masm, &non_smi); |
| 1867 __ bind(&non_smi); | 1865 __ bind(&non_smi); |
| 1868 GenerateHeapNumberCodeBitNot(masm, &slow); | 1866 GenerateHeapNumberCodeBitNot(masm, &slow); |
| 1869 __ bind(&slow); | 1867 __ bind(&slow); |
| 1870 GenerateTypeTransition(masm); | 1868 GenerateTypeTransition(masm); |
| 1871 } | 1869 } |
| 1872 | 1870 |
| 1873 void TypeRecordingUnaryOpStub::GenerateHeapNumberCodeSub(MacroAssembler* masm, | 1871 void UnaryOpStub::GenerateHeapNumberCodeSub(MacroAssembler* masm, |
| 1874 Label* slow) { | 1872 Label* slow) { |
| 1875 EmitCheckForHeapNumber(masm, r0, r1, r6, slow); | 1873 EmitCheckForHeapNumber(masm, r0, r1, r6, slow); |
| 1876 // r0 is a heap number. Get a new heap number in r1. | 1874 // r0 is a heap number. Get a new heap number in r1. |
| 1877 if (mode_ == UNARY_OVERWRITE) { | 1875 if (mode_ == UNARY_OVERWRITE) { |
| 1878 __ ldr(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); | 1876 __ ldr(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); |
| 1879 __ eor(r2, r2, Operand(HeapNumber::kSignMask)); // Flip sign. | 1877 __ eor(r2, r2, Operand(HeapNumber::kSignMask)); // Flip sign. |
| 1880 __ str(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); | 1878 __ str(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); |
| 1881 } else { | 1879 } else { |
| 1882 Label slow_allocate_heapnumber, heapnumber_allocated; | 1880 Label slow_allocate_heapnumber, heapnumber_allocated; |
| 1883 __ AllocateHeapNumber(r1, r2, r3, r6, &slow_allocate_heapnumber); | 1881 __ AllocateHeapNumber(r1, r2, r3, r6, &slow_allocate_heapnumber); |
| 1884 __ jmp(&heapnumber_allocated); | 1882 __ jmp(&heapnumber_allocated); |
| (...skipping 11 matching lines...) Expand all Loading... |
| 1896 __ ldr(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); | 1894 __ ldr(r2, FieldMemOperand(r0, HeapNumber::kExponentOffset)); |
| 1897 __ str(r3, FieldMemOperand(r1, HeapNumber::kMantissaOffset)); | 1895 __ str(r3, FieldMemOperand(r1, HeapNumber::kMantissaOffset)); |
| 1898 __ eor(r2, r2, Operand(HeapNumber::kSignMask)); // Flip sign. | 1896 __ eor(r2, r2, Operand(HeapNumber::kSignMask)); // Flip sign. |
| 1899 __ str(r2, FieldMemOperand(r1, HeapNumber::kExponentOffset)); | 1897 __ str(r2, FieldMemOperand(r1, HeapNumber::kExponentOffset)); |
| 1900 __ mov(r0, Operand(r1)); | 1898 __ mov(r0, Operand(r1)); |
| 1901 } | 1899 } |
| 1902 __ Ret(); | 1900 __ Ret(); |
| 1903 } | 1901 } |
| 1904 | 1902 |
| 1905 | 1903 |
| 1906 void TypeRecordingUnaryOpStub::GenerateHeapNumberCodeBitNot( | 1904 void UnaryOpStub::GenerateHeapNumberCodeBitNot( |
| 1907 MacroAssembler* masm, Label* slow) { | 1905 MacroAssembler* masm, Label* slow) { |
| 1908 EmitCheckForHeapNumber(masm, r0, r1, r6, slow); | 1906 EmitCheckForHeapNumber(masm, r0, r1, r6, slow); |
| 1909 // Convert the heap number is r0 to an untagged integer in r1. | 1907 // Convert the heap number is r0 to an untagged integer in r1. |
| 1910 __ ConvertToInt32(r0, r1, r2, r3, d0, slow); | 1908 __ ConvertToInt32(r0, r1, r2, r3, d0, slow); |
| 1911 | 1909 |
| 1912 // Do the bitwise operation and check if the result fits in a smi. | 1910 // Do the bitwise operation and check if the result fits in a smi. |
| 1913 Label try_float; | 1911 Label try_float; |
| 1914 __ mvn(r1, Operand(r1)); | 1912 __ mvn(r1, Operand(r1)); |
| 1915 __ add(r2, r1, Operand(0x40000000), SetCC); | 1913 __ add(r2, r1, Operand(0x40000000), SetCC); |
| 1916 __ b(mi, &try_float); | 1914 __ b(mi, &try_float); |
| (...skipping 30 matching lines...) Expand all Loading... |
| 1947 } else { | 1945 } else { |
| 1948 // WriteInt32ToHeapNumberStub does not trigger GC, so we do not | 1946 // WriteInt32ToHeapNumberStub does not trigger GC, so we do not |
| 1949 // have to set up a frame. | 1947 // have to set up a frame. |
| 1950 WriteInt32ToHeapNumberStub stub(r1, r0, r2); | 1948 WriteInt32ToHeapNumberStub stub(r1, r0, r2); |
| 1951 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET); | 1949 __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET); |
| 1952 } | 1950 } |
| 1953 } | 1951 } |
| 1954 | 1952 |
| 1955 | 1953 |
| 1956 // TODO(svenpanne): Use virtual functions instead of switch. | 1954 // TODO(svenpanne): Use virtual functions instead of switch. |
| 1957 void TypeRecordingUnaryOpStub::GenerateGenericStub(MacroAssembler* masm) { | 1955 void UnaryOpStub::GenerateGenericStub(MacroAssembler* masm) { |
| 1958 switch (op_) { | 1956 switch (op_) { |
| 1959 case Token::SUB: | 1957 case Token::SUB: |
| 1960 GenerateGenericStubSub(masm); | 1958 GenerateGenericStubSub(masm); |
| 1961 break; | 1959 break; |
| 1962 case Token::BIT_NOT: | 1960 case Token::BIT_NOT: |
| 1963 GenerateGenericStubBitNot(masm); | 1961 GenerateGenericStubBitNot(masm); |
| 1964 break; | 1962 break; |
| 1965 default: | 1963 default: |
| 1966 UNREACHABLE(); | 1964 UNREACHABLE(); |
| 1967 } | 1965 } |
| 1968 } | 1966 } |
| 1969 | 1967 |
| 1970 | 1968 |
| 1971 void TypeRecordingUnaryOpStub::GenerateGenericStubSub(MacroAssembler* masm) { | 1969 void UnaryOpStub::GenerateGenericStubSub(MacroAssembler* masm) { |
| 1972 Label non_smi, slow; | 1970 Label non_smi, slow; |
| 1973 GenerateSmiCodeSub(masm, &non_smi, &slow); | 1971 GenerateSmiCodeSub(masm, &non_smi, &slow); |
| 1974 __ bind(&non_smi); | 1972 __ bind(&non_smi); |
| 1975 GenerateHeapNumberCodeSub(masm, &slow); | 1973 GenerateHeapNumberCodeSub(masm, &slow); |
| 1976 __ bind(&slow); | 1974 __ bind(&slow); |
| 1977 GenerateGenericCodeFallback(masm); | 1975 GenerateGenericCodeFallback(masm); |
| 1978 } | 1976 } |
| 1979 | 1977 |
| 1980 | 1978 |
| 1981 void TypeRecordingUnaryOpStub::GenerateGenericStubBitNot(MacroAssembler* masm) { | 1979 void UnaryOpStub::GenerateGenericStubBitNot(MacroAssembler* masm) { |
| 1982 Label non_smi, slow; | 1980 Label non_smi, slow; |
| 1983 GenerateSmiCodeBitNot(masm, &non_smi); | 1981 GenerateSmiCodeBitNot(masm, &non_smi); |
| 1984 __ bind(&non_smi); | 1982 __ bind(&non_smi); |
| 1985 GenerateHeapNumberCodeBitNot(masm, &slow); | 1983 GenerateHeapNumberCodeBitNot(masm, &slow); |
| 1986 __ bind(&slow); | 1984 __ bind(&slow); |
| 1987 GenerateGenericCodeFallback(masm); | 1985 GenerateGenericCodeFallback(masm); |
| 1988 } | 1986 } |
| 1989 | 1987 |
| 1990 | 1988 |
| 1991 void TypeRecordingUnaryOpStub::GenerateGenericCodeFallback( | 1989 void UnaryOpStub::GenerateGenericCodeFallback(MacroAssembler* masm) { |
| 1992 MacroAssembler* masm) { | |
| 1993 // Handle the slow case by jumping to the JavaScript builtin. | 1990 // Handle the slow case by jumping to the JavaScript builtin. |
| 1994 __ push(r0); | 1991 __ push(r0); |
| 1995 switch (op_) { | 1992 switch (op_) { |
| 1996 case Token::SUB: | 1993 case Token::SUB: |
| 1997 __ InvokeBuiltin(Builtins::UNARY_MINUS, JUMP_FUNCTION); | 1994 __ InvokeBuiltin(Builtins::UNARY_MINUS, JUMP_FUNCTION); |
| 1998 break; | 1995 break; |
| 1999 case Token::BIT_NOT: | 1996 case Token::BIT_NOT: |
| 2000 __ InvokeBuiltin(Builtins::BIT_NOT, JUMP_FUNCTION); | 1997 __ InvokeBuiltin(Builtins::BIT_NOT, JUMP_FUNCTION); |
| 2001 break; | 1998 break; |
| 2002 default: | 1999 default: |
| 2003 UNREACHABLE(); | 2000 UNREACHABLE(); |
| 2004 } | 2001 } |
| 2005 } | 2002 } |
| 2006 | 2003 |
| 2007 | 2004 |
| 2008 Handle<Code> GetTypeRecordingBinaryOpStub(int key, | 2005 Handle<Code> GetBinaryOpStub(int key, |
| 2009 TRBinaryOpIC::TypeInfo type_info, | 2006 BinaryOpIC::TypeInfo type_info, |
| 2010 TRBinaryOpIC::TypeInfo result_type_info) { | 2007 BinaryOpIC::TypeInfo result_type_info) { |
| 2011 TypeRecordingBinaryOpStub stub(key, type_info, result_type_info); | 2008 BinaryOpStub stub(key, type_info, result_type_info); |
| 2012 return stub.GetCode(); | 2009 return stub.GetCode(); |
| 2013 } | 2010 } |
| 2014 | 2011 |
| 2015 | 2012 |
| 2016 void TypeRecordingBinaryOpStub::GenerateTypeTransition(MacroAssembler* masm) { | 2013 void BinaryOpStub::GenerateTypeTransition(MacroAssembler* masm) { |
| 2017 Label get_result; | 2014 Label get_result; |
| 2018 | 2015 |
| 2019 __ Push(r1, r0); | 2016 __ Push(r1, r0); |
| 2020 | 2017 |
| 2021 __ mov(r2, Operand(Smi::FromInt(MinorKey()))); | 2018 __ mov(r2, Operand(Smi::FromInt(MinorKey()))); |
| 2022 __ mov(r1, Operand(Smi::FromInt(op_))); | 2019 __ mov(r1, Operand(Smi::FromInt(op_))); |
| 2023 __ mov(r0, Operand(Smi::FromInt(operands_type_))); | 2020 __ mov(r0, Operand(Smi::FromInt(operands_type_))); |
| 2024 __ Push(r2, r1, r0); | 2021 __ Push(r2, r1, r0); |
| 2025 | 2022 |
| 2026 __ TailCallExternalReference( | 2023 __ TailCallExternalReference( |
| 2027 ExternalReference(IC_Utility(IC::kTypeRecordingBinaryOp_Patch), | 2024 ExternalReference(IC_Utility(IC::kBinaryOp_Patch), |
| 2028 masm->isolate()), | 2025 masm->isolate()), |
| 2029 5, | 2026 5, |
| 2030 1); | 2027 1); |
| 2031 } | 2028 } |
| 2032 | 2029 |
| 2033 | 2030 |
| 2034 void TypeRecordingBinaryOpStub::GenerateTypeTransitionWithSavedArgs( | 2031 void BinaryOpStub::GenerateTypeTransitionWithSavedArgs( |
| 2035 MacroAssembler* masm) { | 2032 MacroAssembler* masm) { |
| 2036 UNIMPLEMENTED(); | 2033 UNIMPLEMENTED(); |
| 2037 } | 2034 } |
| 2038 | 2035 |
| 2039 | 2036 |
| 2040 void TypeRecordingBinaryOpStub::Generate(MacroAssembler* masm) { | 2037 void BinaryOpStub::Generate(MacroAssembler* masm) { |
| 2041 switch (operands_type_) { | 2038 switch (operands_type_) { |
| 2042 case TRBinaryOpIC::UNINITIALIZED: | 2039 case BinaryOpIC::UNINITIALIZED: |
| 2043 GenerateTypeTransition(masm); | 2040 GenerateTypeTransition(masm); |
| 2044 break; | 2041 break; |
| 2045 case TRBinaryOpIC::SMI: | 2042 case BinaryOpIC::SMI: |
| 2046 GenerateSmiStub(masm); | 2043 GenerateSmiStub(masm); |
| 2047 break; | 2044 break; |
| 2048 case TRBinaryOpIC::INT32: | 2045 case BinaryOpIC::INT32: |
| 2049 GenerateInt32Stub(masm); | 2046 GenerateInt32Stub(masm); |
| 2050 break; | 2047 break; |
| 2051 case TRBinaryOpIC::HEAP_NUMBER: | 2048 case BinaryOpIC::HEAP_NUMBER: |
| 2052 GenerateHeapNumberStub(masm); | 2049 GenerateHeapNumberStub(masm); |
| 2053 break; | 2050 break; |
| 2054 case TRBinaryOpIC::ODDBALL: | 2051 case BinaryOpIC::ODDBALL: |
| 2055 GenerateOddballStub(masm); | 2052 GenerateOddballStub(masm); |
| 2056 break; | 2053 break; |
| 2057 case TRBinaryOpIC::BOTH_STRING: | 2054 case BinaryOpIC::BOTH_STRING: |
| 2058 GenerateBothStringStub(masm); | 2055 GenerateBothStringStub(masm); |
| 2059 break; | 2056 break; |
| 2060 case TRBinaryOpIC::STRING: | 2057 case BinaryOpIC::STRING: |
| 2061 GenerateStringStub(masm); | 2058 GenerateStringStub(masm); |
| 2062 break; | 2059 break; |
| 2063 case TRBinaryOpIC::GENERIC: | 2060 case BinaryOpIC::GENERIC: |
| 2064 GenerateGeneric(masm); | 2061 GenerateGeneric(masm); |
| 2065 break; | 2062 break; |
| 2066 default: | 2063 default: |
| 2067 UNREACHABLE(); | 2064 UNREACHABLE(); |
| 2068 } | 2065 } |
| 2069 } | 2066 } |
| 2070 | 2067 |
| 2071 | 2068 |
| 2072 const char* TypeRecordingBinaryOpStub::GetName() { | 2069 const char* BinaryOpStub::GetName() { |
| 2073 if (name_ != NULL) return name_; | 2070 if (name_ != NULL) return name_; |
| 2074 const int kMaxNameLength = 100; | 2071 const int kMaxNameLength = 100; |
| 2075 name_ = Isolate::Current()->bootstrapper()->AllocateAutoDeletedArray( | 2072 name_ = Isolate::Current()->bootstrapper()->AllocateAutoDeletedArray( |
| 2076 kMaxNameLength); | 2073 kMaxNameLength); |
| 2077 if (name_ == NULL) return "OOM"; | 2074 if (name_ == NULL) return "OOM"; |
| 2078 const char* op_name = Token::Name(op_); | 2075 const char* op_name = Token::Name(op_); |
| 2079 const char* overwrite_name; | 2076 const char* overwrite_name; |
| 2080 switch (mode_) { | 2077 switch (mode_) { |
| 2081 case NO_OVERWRITE: overwrite_name = "Alloc"; break; | 2078 case NO_OVERWRITE: overwrite_name = "Alloc"; break; |
| 2082 case OVERWRITE_RIGHT: overwrite_name = "OverwriteRight"; break; | 2079 case OVERWRITE_RIGHT: overwrite_name = "OverwriteRight"; break; |
| 2083 case OVERWRITE_LEFT: overwrite_name = "OverwriteLeft"; break; | 2080 case OVERWRITE_LEFT: overwrite_name = "OverwriteLeft"; break; |
| 2084 default: overwrite_name = "UnknownOverwrite"; break; | 2081 default: overwrite_name = "UnknownOverwrite"; break; |
| 2085 } | 2082 } |
| 2086 | 2083 |
| 2087 OS::SNPrintF(Vector<char>(name_, kMaxNameLength), | 2084 OS::SNPrintF(Vector<char>(name_, kMaxNameLength), |
| 2088 "TypeRecordingBinaryOpStub_%s_%s_%s", | 2085 "BinaryOpStub_%s_%s_%s", |
| 2089 op_name, | 2086 op_name, |
| 2090 overwrite_name, | 2087 overwrite_name, |
| 2091 TRBinaryOpIC::GetName(operands_type_)); | 2088 BinaryOpIC::GetName(operands_type_)); |
| 2092 return name_; | 2089 return name_; |
| 2093 } | 2090 } |
| 2094 | 2091 |
| 2095 | 2092 |
| 2096 void TypeRecordingBinaryOpStub::GenerateSmiSmiOperation( | 2093 void BinaryOpStub::GenerateSmiSmiOperation(MacroAssembler* masm) { |
| 2097 MacroAssembler* masm) { | |
| 2098 Register left = r1; | 2094 Register left = r1; |
| 2099 Register right = r0; | 2095 Register right = r0; |
| 2100 Register scratch1 = r7; | 2096 Register scratch1 = r7; |
| 2101 Register scratch2 = r9; | 2097 Register scratch2 = r9; |
| 2102 | 2098 |
| 2103 ASSERT(right.is(r0)); | 2099 ASSERT(right.is(r0)); |
| 2104 STATIC_ASSERT(kSmiTag == 0); | 2100 STATIC_ASSERT(kSmiTag == 0); |
| 2105 | 2101 |
| 2106 Label not_smi_result; | 2102 Label not_smi_result; |
| 2107 switch (op_) { | 2103 switch (op_) { |
| (...skipping 104 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2212 __ SmiTag(right, scratch1); | 2208 __ SmiTag(right, scratch1); |
| 2213 __ Ret(); | 2209 __ Ret(); |
| 2214 break; | 2210 break; |
| 2215 default: | 2211 default: |
| 2216 UNREACHABLE(); | 2212 UNREACHABLE(); |
| 2217 } | 2213 } |
| 2218 __ bind(¬_smi_result); | 2214 __ bind(¬_smi_result); |
| 2219 } | 2215 } |
| 2220 | 2216 |
| 2221 | 2217 |
| 2222 void TypeRecordingBinaryOpStub::GenerateFPOperation(MacroAssembler* masm, | 2218 void BinaryOpStub::GenerateFPOperation(MacroAssembler* masm, |
| 2223 bool smi_operands, | 2219 bool smi_operands, |
| 2224 Label* not_numbers, | 2220 Label* not_numbers, |
| 2225 Label* gc_required) { | 2221 Label* gc_required) { |
| 2226 Register left = r1; | 2222 Register left = r1; |
| 2227 Register right = r0; | 2223 Register right = r0; |
| 2228 Register scratch1 = r7; | 2224 Register scratch1 = r7; |
| 2229 Register scratch2 = r9; | 2225 Register scratch2 = r9; |
| 2230 Register scratch3 = r4; | 2226 Register scratch3 = r4; |
| 2231 | 2227 |
| 2232 ASSERT(smi_operands || (not_numbers != NULL)); | 2228 ASSERT(smi_operands || (not_numbers != NULL)); |
| 2233 if (smi_operands && FLAG_debug_code) { | 2229 if (smi_operands && FLAG_debug_code) { |
| 2234 __ AbortIfNotSmi(left); | 2230 __ AbortIfNotSmi(left); |
| 2235 __ AbortIfNotSmi(right); | 2231 __ AbortIfNotSmi(right); |
| (...skipping 190 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2426 default: | 2422 default: |
| 2427 UNREACHABLE(); | 2423 UNREACHABLE(); |
| 2428 } | 2424 } |
| 2429 } | 2425 } |
| 2430 | 2426 |
| 2431 | 2427 |
| 2432 // Generate the smi code. If the operation on smis are successful this return is | 2428 // Generate the smi code. If the operation on smis are successful this return is |
| 2433 // generated. If the result is not a smi and heap number allocation is not | 2429 // generated. If the result is not a smi and heap number allocation is not |
| 2434 // requested the code falls through. If number allocation is requested but a | 2430 // requested the code falls through. If number allocation is requested but a |
| 2435 // heap number cannot be allocated the code jumps to the lable gc_required. | 2431 // heap number cannot be allocated the code jumps to the lable gc_required. |
| 2436 void TypeRecordingBinaryOpStub::GenerateSmiCode(MacroAssembler* masm, | 2432 void BinaryOpStub::GenerateSmiCode( |
| 2433 MacroAssembler* masm, |
| 2437 Label* use_runtime, | 2434 Label* use_runtime, |
| 2438 Label* gc_required, | 2435 Label* gc_required, |
| 2439 SmiCodeGenerateHeapNumberResults allow_heapnumber_results) { | 2436 SmiCodeGenerateHeapNumberResults allow_heapnumber_results) { |
| 2440 Label not_smis; | 2437 Label not_smis; |
| 2441 | 2438 |
| 2442 Register left = r1; | 2439 Register left = r1; |
| 2443 Register right = r0; | 2440 Register right = r0; |
| 2444 Register scratch1 = r7; | 2441 Register scratch1 = r7; |
| 2445 Register scratch2 = r9; | 2442 Register scratch2 = r9; |
| 2446 | 2443 |
| 2447 // Perform combined smi check on both operands. | 2444 // Perform combined smi check on both operands. |
| 2448 __ orr(scratch1, left, Operand(right)); | 2445 __ orr(scratch1, left, Operand(right)); |
| 2449 STATIC_ASSERT(kSmiTag == 0); | 2446 STATIC_ASSERT(kSmiTag == 0); |
| 2450 __ tst(scratch1, Operand(kSmiTagMask)); | 2447 __ tst(scratch1, Operand(kSmiTagMask)); |
| 2451 __ b(ne, ¬_smis); | 2448 __ b(ne, ¬_smis); |
| 2452 | 2449 |
| 2453 // If the smi-smi operation results in a smi return is generated. | 2450 // If the smi-smi operation results in a smi return is generated. |
| 2454 GenerateSmiSmiOperation(masm); | 2451 GenerateSmiSmiOperation(masm); |
| 2455 | 2452 |
| 2456 // If heap number results are possible generate the result in an allocated | 2453 // If heap number results are possible generate the result in an allocated |
| 2457 // heap number. | 2454 // heap number. |
| 2458 if (allow_heapnumber_results == ALLOW_HEAPNUMBER_RESULTS) { | 2455 if (allow_heapnumber_results == ALLOW_HEAPNUMBER_RESULTS) { |
| 2459 GenerateFPOperation(masm, true, use_runtime, gc_required); | 2456 GenerateFPOperation(masm, true, use_runtime, gc_required); |
| 2460 } | 2457 } |
| 2461 __ bind(¬_smis); | 2458 __ bind(¬_smis); |
| 2462 } | 2459 } |
| 2463 | 2460 |
| 2464 | 2461 |
| 2465 void TypeRecordingBinaryOpStub::GenerateSmiStub(MacroAssembler* masm) { | 2462 void BinaryOpStub::GenerateSmiStub(MacroAssembler* masm) { |
| 2466 Label not_smis, call_runtime; | 2463 Label not_smis, call_runtime; |
| 2467 | 2464 |
| 2468 if (result_type_ == TRBinaryOpIC::UNINITIALIZED || | 2465 if (result_type_ == BinaryOpIC::UNINITIALIZED || |
| 2469 result_type_ == TRBinaryOpIC::SMI) { | 2466 result_type_ == BinaryOpIC::SMI) { |
| 2470 // Only allow smi results. | 2467 // Only allow smi results. |
| 2471 GenerateSmiCode(masm, &call_runtime, NULL, NO_HEAPNUMBER_RESULTS); | 2468 GenerateSmiCode(masm, &call_runtime, NULL, NO_HEAPNUMBER_RESULTS); |
| 2472 } else { | 2469 } else { |
| 2473 // Allow heap number result and don't make a transition if a heap number | 2470 // Allow heap number result and don't make a transition if a heap number |
| 2474 // cannot be allocated. | 2471 // cannot be allocated. |
| 2475 GenerateSmiCode(masm, | 2472 GenerateSmiCode(masm, |
| 2476 &call_runtime, | 2473 &call_runtime, |
| 2477 &call_runtime, | 2474 &call_runtime, |
| 2478 ALLOW_HEAPNUMBER_RESULTS); | 2475 ALLOW_HEAPNUMBER_RESULTS); |
| 2479 } | 2476 } |
| 2480 | 2477 |
| 2481 // Code falls through if the result is not returned as either a smi or heap | 2478 // Code falls through if the result is not returned as either a smi or heap |
| 2482 // number. | 2479 // number. |
| 2483 GenerateTypeTransition(masm); | 2480 GenerateTypeTransition(masm); |
| 2484 | 2481 |
| 2485 __ bind(&call_runtime); | 2482 __ bind(&call_runtime); |
| 2486 GenerateCallRuntime(masm); | 2483 GenerateCallRuntime(masm); |
| 2487 } | 2484 } |
| 2488 | 2485 |
| 2489 | 2486 |
| 2490 void TypeRecordingBinaryOpStub::GenerateStringStub(MacroAssembler* masm) { | 2487 void BinaryOpStub::GenerateStringStub(MacroAssembler* masm) { |
| 2491 ASSERT(operands_type_ == TRBinaryOpIC::STRING); | 2488 ASSERT(operands_type_ == BinaryOpIC::STRING); |
| 2492 ASSERT(op_ == Token::ADD); | 2489 ASSERT(op_ == Token::ADD); |
| 2493 // Try to add arguments as strings, otherwise, transition to the generic | 2490 // Try to add arguments as strings, otherwise, transition to the generic |
| 2494 // TRBinaryOpIC type. | 2491 // BinaryOpIC type. |
| 2495 GenerateAddStrings(masm); | 2492 GenerateAddStrings(masm); |
| 2496 GenerateTypeTransition(masm); | 2493 GenerateTypeTransition(masm); |
| 2497 } | 2494 } |
| 2498 | 2495 |
| 2499 | 2496 |
| 2500 void TypeRecordingBinaryOpStub::GenerateBothStringStub(MacroAssembler* masm) { | 2497 void BinaryOpStub::GenerateBothStringStub(MacroAssembler* masm) { |
| 2501 Label call_runtime; | 2498 Label call_runtime; |
| 2502 ASSERT(operands_type_ == TRBinaryOpIC::BOTH_STRING); | 2499 ASSERT(operands_type_ == BinaryOpIC::BOTH_STRING); |
| 2503 ASSERT(op_ == Token::ADD); | 2500 ASSERT(op_ == Token::ADD); |
| 2504 // If both arguments are strings, call the string add stub. | 2501 // If both arguments are strings, call the string add stub. |
| 2505 // Otherwise, do a transition. | 2502 // Otherwise, do a transition. |
| 2506 | 2503 |
| 2507 // Registers containing left and right operands respectively. | 2504 // Registers containing left and right operands respectively. |
| 2508 Register left = r1; | 2505 Register left = r1; |
| 2509 Register right = r0; | 2506 Register right = r0; |
| 2510 | 2507 |
| 2511 // Test if left operand is a string. | 2508 // Test if left operand is a string. |
| 2512 __ JumpIfSmi(left, &call_runtime); | 2509 __ JumpIfSmi(left, &call_runtime); |
| 2513 __ CompareObjectType(left, r2, r2, FIRST_NONSTRING_TYPE); | 2510 __ CompareObjectType(left, r2, r2, FIRST_NONSTRING_TYPE); |
| 2514 __ b(ge, &call_runtime); | 2511 __ b(ge, &call_runtime); |
| 2515 | 2512 |
| 2516 // Test if right operand is a string. | 2513 // Test if right operand is a string. |
| 2517 __ JumpIfSmi(right, &call_runtime); | 2514 __ JumpIfSmi(right, &call_runtime); |
| 2518 __ CompareObjectType(right, r2, r2, FIRST_NONSTRING_TYPE); | 2515 __ CompareObjectType(right, r2, r2, FIRST_NONSTRING_TYPE); |
| 2519 __ b(ge, &call_runtime); | 2516 __ b(ge, &call_runtime); |
| 2520 | 2517 |
| 2521 StringAddStub string_add_stub(NO_STRING_CHECK_IN_STUB); | 2518 StringAddStub string_add_stub(NO_STRING_CHECK_IN_STUB); |
| 2522 GenerateRegisterArgsPush(masm); | 2519 GenerateRegisterArgsPush(masm); |
| 2523 __ TailCallStub(&string_add_stub); | 2520 __ TailCallStub(&string_add_stub); |
| 2524 | 2521 |
| 2525 __ bind(&call_runtime); | 2522 __ bind(&call_runtime); |
| 2526 GenerateTypeTransition(masm); | 2523 GenerateTypeTransition(masm); |
| 2527 } | 2524 } |
| 2528 | 2525 |
| 2529 | 2526 |
| 2530 void TypeRecordingBinaryOpStub::GenerateInt32Stub(MacroAssembler* masm) { | 2527 void BinaryOpStub::GenerateInt32Stub(MacroAssembler* masm) { |
| 2531 ASSERT(operands_type_ == TRBinaryOpIC::INT32); | 2528 ASSERT(operands_type_ == BinaryOpIC::INT32); |
| 2532 | 2529 |
| 2533 Register left = r1; | 2530 Register left = r1; |
| 2534 Register right = r0; | 2531 Register right = r0; |
| 2535 Register scratch1 = r7; | 2532 Register scratch1 = r7; |
| 2536 Register scratch2 = r9; | 2533 Register scratch2 = r9; |
| 2537 DwVfpRegister double_scratch = d0; | 2534 DwVfpRegister double_scratch = d0; |
| 2538 SwVfpRegister single_scratch = s3; | 2535 SwVfpRegister single_scratch = s3; |
| 2539 | 2536 |
| 2540 Register heap_number_result = no_reg; | 2537 Register heap_number_result = no_reg; |
| 2541 Register heap_number_map = r6; | 2538 Register heap_number_map = r6; |
| (...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2618 // Try to return a smi if we can. | 2615 // Try to return a smi if we can. |
| 2619 // Otherwise return a heap number if allowed, or jump to type | 2616 // Otherwise return a heap number if allowed, or jump to type |
| 2620 // transition. | 2617 // transition. |
| 2621 | 2618 |
| 2622 __ EmitVFPTruncate(kRoundToZero, | 2619 __ EmitVFPTruncate(kRoundToZero, |
| 2623 single_scratch, | 2620 single_scratch, |
| 2624 d5, | 2621 d5, |
| 2625 scratch1, | 2622 scratch1, |
| 2626 scratch2); | 2623 scratch2); |
| 2627 | 2624 |
| 2628 if (result_type_ <= TRBinaryOpIC::INT32) { | 2625 if (result_type_ <= BinaryOpIC::INT32) { |
| 2629 // If the ne condition is set, result does | 2626 // If the ne condition is set, result does |
| 2630 // not fit in a 32-bit integer. | 2627 // not fit in a 32-bit integer. |
| 2631 __ b(ne, &transition); | 2628 __ b(ne, &transition); |
| 2632 } | 2629 } |
| 2633 | 2630 |
| 2634 // Check if the result fits in a smi. | 2631 // Check if the result fits in a smi. |
| 2635 __ vmov(scratch1, single_scratch); | 2632 __ vmov(scratch1, single_scratch); |
| 2636 __ add(scratch2, scratch1, Operand(0x40000000), SetCC); | 2633 __ add(scratch2, scratch1, Operand(0x40000000), SetCC); |
| 2637 // If not try to return a heap number. | 2634 // If not try to return a heap number. |
| 2638 __ b(mi, &return_heap_number); | 2635 __ b(mi, &return_heap_number); |
| 2639 // Check for minus zero. Return heap number for minus zero. | 2636 // Check for minus zero. Return heap number for minus zero. |
| 2640 Label not_zero; | 2637 Label not_zero; |
| 2641 __ cmp(scratch1, Operand(0)); | 2638 __ cmp(scratch1, Operand(0)); |
| 2642 __ b(ne, ¬_zero); | 2639 __ b(ne, ¬_zero); |
| 2643 __ vmov(scratch2, d5.high()); | 2640 __ vmov(scratch2, d5.high()); |
| 2644 __ tst(scratch2, Operand(HeapNumber::kSignMask)); | 2641 __ tst(scratch2, Operand(HeapNumber::kSignMask)); |
| 2645 __ b(ne, &return_heap_number); | 2642 __ b(ne, &return_heap_number); |
| 2646 __ bind(¬_zero); | 2643 __ bind(¬_zero); |
| 2647 | 2644 |
| 2648 // Tag the result and return. | 2645 // Tag the result and return. |
| 2649 __ SmiTag(r0, scratch1); | 2646 __ SmiTag(r0, scratch1); |
| 2650 __ Ret(); | 2647 __ Ret(); |
| 2651 } else { | 2648 } else { |
| 2652 // DIV just falls through to allocating a heap number. | 2649 // DIV just falls through to allocating a heap number. |
| 2653 } | 2650 } |
| 2654 | 2651 |
| 2655 if (result_type_ >= (op_ == Token::DIV) ? TRBinaryOpIC::HEAP_NUMBER | 2652 if (result_type_ >= (op_ == Token::DIV) ? BinaryOpIC::HEAP_NUMBER |
| 2656 : TRBinaryOpIC::INT32) { | 2653 : BinaryOpIC::INT32) { |
| 2657 __ bind(&return_heap_number); | 2654 __ bind(&return_heap_number); |
| 2658 // We are using vfp registers so r5 is available. | 2655 // We are using vfp registers so r5 is available. |
| 2659 heap_number_result = r5; | 2656 heap_number_result = r5; |
| 2660 GenerateHeapResultAllocation(masm, | 2657 GenerateHeapResultAllocation(masm, |
| 2661 heap_number_result, | 2658 heap_number_result, |
| 2662 heap_number_map, | 2659 heap_number_map, |
| 2663 scratch1, | 2660 scratch1, |
| 2664 scratch2, | 2661 scratch2, |
| 2665 &call_runtime); | 2662 &call_runtime); |
| 2666 __ sub(r0, heap_number_result, Operand(kHeapObjectTag)); | 2663 __ sub(r0, heap_number_result, Operand(kHeapObjectTag)); |
| (...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2755 case Token::SHR: | 2752 case Token::SHR: |
| 2756 __ and_(r2, r2, Operand(0x1f)); | 2753 __ and_(r2, r2, Operand(0x1f)); |
| 2757 __ mov(r2, Operand(r3, LSR, r2), SetCC); | 2754 __ mov(r2, Operand(r3, LSR, r2), SetCC); |
| 2758 // SHR is special because it is required to produce a positive answer. | 2755 // SHR is special because it is required to produce a positive answer. |
| 2759 // We only get a negative result if the shift value (r2) is 0. | 2756 // We only get a negative result if the shift value (r2) is 0. |
| 2760 // This result cannot be respresented as a signed 32-bit integer, try | 2757 // This result cannot be respresented as a signed 32-bit integer, try |
| 2761 // to return a heap number if we can. | 2758 // to return a heap number if we can. |
| 2762 // The non vfp3 code does not support this special case, so jump to | 2759 // The non vfp3 code does not support this special case, so jump to |
| 2763 // runtime if we don't support it. | 2760 // runtime if we don't support it. |
| 2764 if (CpuFeatures::IsSupported(VFP3)) { | 2761 if (CpuFeatures::IsSupported(VFP3)) { |
| 2765 __ b(mi, | 2762 __ b(mi, (result_type_ <= BinaryOpIC::INT32) |
| 2766 (result_type_ <= TRBinaryOpIC::INT32) ? &transition | 2763 ? &transition |
| 2767 : &return_heap_number); | 2764 : &return_heap_number); |
| 2768 } else { | 2765 } else { |
| 2769 __ b(mi, (result_type_ <= TRBinaryOpIC::INT32) ? &transition | 2766 __ b(mi, (result_type_ <= BinaryOpIC::INT32) |
| 2770 : &call_runtime); | 2767 ? &transition |
| 2768 : &call_runtime); |
| 2771 } | 2769 } |
| 2772 break; | 2770 break; |
| 2773 case Token::SHL: | 2771 case Token::SHL: |
| 2774 __ and_(r2, r2, Operand(0x1f)); | 2772 __ and_(r2, r2, Operand(0x1f)); |
| 2775 __ mov(r2, Operand(r3, LSL, r2)); | 2773 __ mov(r2, Operand(r3, LSL, r2)); |
| 2776 break; | 2774 break; |
| 2777 default: | 2775 default: |
| 2778 UNREACHABLE(); | 2776 UNREACHABLE(); |
| 2779 } | 2777 } |
| 2780 | 2778 |
| (...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 2830 if (transition.is_linked()) { | 2828 if (transition.is_linked()) { |
| 2831 __ bind(&transition); | 2829 __ bind(&transition); |
| 2832 GenerateTypeTransition(masm); | 2830 GenerateTypeTransition(masm); |
| 2833 } | 2831 } |
| 2834 | 2832 |
| 2835 __ bind(&call_runtime); | 2833 __ bind(&call_runtime); |
| 2836 GenerateCallRuntime(masm); | 2834 GenerateCallRuntime(masm); |
| 2837 } | 2835 } |
| 2838 | 2836 |
| 2839 | 2837 |
| 2840 void TypeRecordingBinaryOpStub::GenerateOddballStub(MacroAssembler* masm) { | 2838 void BinaryOpStub::GenerateOddballStub(MacroAssembler* masm) { |
| 2841 Label call_runtime; | 2839 Label call_runtime; |
| 2842 | 2840 |
| 2843 if (op_ == Token::ADD) { | 2841 if (op_ == Token::ADD) { |
| 2844 // Handle string addition here, because it is the only operation | 2842 // Handle string addition here, because it is the only operation |
| 2845 // that does not do a ToNumber conversion on the operands. | 2843 // that does not do a ToNumber conversion on the operands. |
| 2846 GenerateAddStrings(masm); | 2844 GenerateAddStrings(masm); |
| 2847 } | 2845 } |
| 2848 | 2846 |
| 2849 // Convert oddball arguments to numbers. | 2847 // Convert oddball arguments to numbers. |
| 2850 Label check, done; | 2848 Label check, done; |
| (...skipping 12 matching lines...) Expand all Loading... |
| 2863 __ mov(r0, Operand(Smi::FromInt(0))); | 2861 __ mov(r0, Operand(Smi::FromInt(0))); |
| 2864 } else { | 2862 } else { |
| 2865 __ LoadRoot(r0, Heap::kNanValueRootIndex); | 2863 __ LoadRoot(r0, Heap::kNanValueRootIndex); |
| 2866 } | 2864 } |
| 2867 __ bind(&done); | 2865 __ bind(&done); |
| 2868 | 2866 |
| 2869 GenerateHeapNumberStub(masm); | 2867 GenerateHeapNumberStub(masm); |
| 2870 } | 2868 } |
| 2871 | 2869 |
| 2872 | 2870 |
| 2873 void TypeRecordingBinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { | 2871 void BinaryOpStub::GenerateHeapNumberStub(MacroAssembler* masm) { |
| 2874 Label call_runtime; | 2872 Label call_runtime; |
| 2875 GenerateFPOperation(masm, false, &call_runtime, &call_runtime); | 2873 GenerateFPOperation(masm, false, &call_runtime, &call_runtime); |
| 2876 | 2874 |
| 2877 __ bind(&call_runtime); | 2875 __ bind(&call_runtime); |
| 2878 GenerateCallRuntime(masm); | 2876 GenerateCallRuntime(masm); |
| 2879 } | 2877 } |
| 2880 | 2878 |
| 2881 | 2879 |
| 2882 void TypeRecordingBinaryOpStub::GenerateGeneric(MacroAssembler* masm) { | 2880 void BinaryOpStub::GenerateGeneric(MacroAssembler* masm) { |
| 2883 Label call_runtime, call_string_add_or_runtime; | 2881 Label call_runtime, call_string_add_or_runtime; |
| 2884 | 2882 |
| 2885 GenerateSmiCode(masm, &call_runtime, &call_runtime, ALLOW_HEAPNUMBER_RESULTS); | 2883 GenerateSmiCode(masm, &call_runtime, &call_runtime, ALLOW_HEAPNUMBER_RESULTS); |
| 2886 | 2884 |
| 2887 GenerateFPOperation(masm, false, &call_string_add_or_runtime, &call_runtime); | 2885 GenerateFPOperation(masm, false, &call_string_add_or_runtime, &call_runtime); |
| 2888 | 2886 |
| 2889 __ bind(&call_string_add_or_runtime); | 2887 __ bind(&call_string_add_or_runtime); |
| 2890 if (op_ == Token::ADD) { | 2888 if (op_ == Token::ADD) { |
| 2891 GenerateAddStrings(masm); | 2889 GenerateAddStrings(masm); |
| 2892 } | 2890 } |
| 2893 | 2891 |
| 2894 __ bind(&call_runtime); | 2892 __ bind(&call_runtime); |
| 2895 GenerateCallRuntime(masm); | 2893 GenerateCallRuntime(masm); |
| 2896 } | 2894 } |
| 2897 | 2895 |
| 2898 | 2896 |
| 2899 void TypeRecordingBinaryOpStub::GenerateAddStrings(MacroAssembler* masm) { | 2897 void BinaryOpStub::GenerateAddStrings(MacroAssembler* masm) { |
| 2900 ASSERT(op_ == Token::ADD); | 2898 ASSERT(op_ == Token::ADD); |
| 2901 Label left_not_string, call_runtime; | 2899 Label left_not_string, call_runtime; |
| 2902 | 2900 |
| 2903 Register left = r1; | 2901 Register left = r1; |
| 2904 Register right = r0; | 2902 Register right = r0; |
| 2905 | 2903 |
| 2906 // Check if left argument is a string. | 2904 // Check if left argument is a string. |
| 2907 __ JumpIfSmi(left, &left_not_string); | 2905 __ JumpIfSmi(left, &left_not_string); |
| 2908 __ CompareObjectType(left, r2, r2, FIRST_NONSTRING_TYPE); | 2906 __ CompareObjectType(left, r2, r2, FIRST_NONSTRING_TYPE); |
| 2909 __ b(ge, &left_not_string); | 2907 __ b(ge, &left_not_string); |
| (...skipping 10 matching lines...) Expand all Loading... |
| 2920 | 2918 |
| 2921 StringAddStub string_add_right_stub(NO_STRING_CHECK_RIGHT_IN_STUB); | 2919 StringAddStub string_add_right_stub(NO_STRING_CHECK_RIGHT_IN_STUB); |
| 2922 GenerateRegisterArgsPush(masm); | 2920 GenerateRegisterArgsPush(masm); |
| 2923 __ TailCallStub(&string_add_right_stub); | 2921 __ TailCallStub(&string_add_right_stub); |
| 2924 | 2922 |
| 2925 // At least one argument is not a string. | 2923 // At least one argument is not a string. |
| 2926 __ bind(&call_runtime); | 2924 __ bind(&call_runtime); |
| 2927 } | 2925 } |
| 2928 | 2926 |
| 2929 | 2927 |
| 2930 void TypeRecordingBinaryOpStub::GenerateCallRuntime(MacroAssembler* masm) { | 2928 void BinaryOpStub::GenerateCallRuntime(MacroAssembler* masm) { |
| 2931 GenerateRegisterArgsPush(masm); | 2929 GenerateRegisterArgsPush(masm); |
| 2932 switch (op_) { | 2930 switch (op_) { |
| 2933 case Token::ADD: | 2931 case Token::ADD: |
| 2934 __ InvokeBuiltin(Builtins::ADD, JUMP_FUNCTION); | 2932 __ InvokeBuiltin(Builtins::ADD, JUMP_FUNCTION); |
| 2935 break; | 2933 break; |
| 2936 case Token::SUB: | 2934 case Token::SUB: |
| 2937 __ InvokeBuiltin(Builtins::SUB, JUMP_FUNCTION); | 2935 __ InvokeBuiltin(Builtins::SUB, JUMP_FUNCTION); |
| 2938 break; | 2936 break; |
| 2939 case Token::MUL: | 2937 case Token::MUL: |
| 2940 __ InvokeBuiltin(Builtins::MUL, JUMP_FUNCTION); | 2938 __ InvokeBuiltin(Builtins::MUL, JUMP_FUNCTION); |
| (...skipping 21 matching lines...) Expand all Loading... |
| 2962 break; | 2960 break; |
| 2963 case Token::SHL: | 2961 case Token::SHL: |
| 2964 __ InvokeBuiltin(Builtins::SHL, JUMP_FUNCTION); | 2962 __ InvokeBuiltin(Builtins::SHL, JUMP_FUNCTION); |
| 2965 break; | 2963 break; |
| 2966 default: | 2964 default: |
| 2967 UNREACHABLE(); | 2965 UNREACHABLE(); |
| 2968 } | 2966 } |
| 2969 } | 2967 } |
| 2970 | 2968 |
| 2971 | 2969 |
| 2972 void TypeRecordingBinaryOpStub::GenerateHeapResultAllocation( | 2970 void BinaryOpStub::GenerateHeapResultAllocation(MacroAssembler* masm, |
| 2973 MacroAssembler* masm, | 2971 Register result, |
| 2974 Register result, | 2972 Register heap_number_map, |
| 2975 Register heap_number_map, | 2973 Register scratch1, |
| 2976 Register scratch1, | 2974 Register scratch2, |
| 2977 Register scratch2, | 2975 Label* gc_required) { |
| 2978 Label* gc_required) { | |
| 2979 | |
| 2980 // Code below will scratch result if allocation fails. To keep both arguments | 2976 // Code below will scratch result if allocation fails. To keep both arguments |
| 2981 // intact for the runtime call result cannot be one of these. | 2977 // intact for the runtime call result cannot be one of these. |
| 2982 ASSERT(!result.is(r0) && !result.is(r1)); | 2978 ASSERT(!result.is(r0) && !result.is(r1)); |
| 2983 | 2979 |
| 2984 if (mode_ == OVERWRITE_LEFT || mode_ == OVERWRITE_RIGHT) { | 2980 if (mode_ == OVERWRITE_LEFT || mode_ == OVERWRITE_RIGHT) { |
| 2985 Label skip_allocation, allocated; | 2981 Label skip_allocation, allocated; |
| 2986 Register overwritable_operand = mode_ == OVERWRITE_LEFT ? r1 : r0; | 2982 Register overwritable_operand = mode_ == OVERWRITE_LEFT ? r1 : r0; |
| 2987 // If the overwritable operand is already an object, we skip the | 2983 // If the overwritable operand is already an object, we skip the |
| 2988 // allocation of a heap number. | 2984 // allocation of a heap number. |
| 2989 __ JumpIfNotSmi(overwritable_operand, &skip_allocation); | 2985 __ JumpIfNotSmi(overwritable_operand, &skip_allocation); |
| 2990 // Allocate a heap number for the result. | 2986 // Allocate a heap number for the result. |
| 2991 __ AllocateHeapNumber( | 2987 __ AllocateHeapNumber( |
| 2992 result, scratch1, scratch2, heap_number_map, gc_required); | 2988 result, scratch1, scratch2, heap_number_map, gc_required); |
| 2993 __ b(&allocated); | 2989 __ b(&allocated); |
| 2994 __ bind(&skip_allocation); | 2990 __ bind(&skip_allocation); |
| 2995 // Use object holding the overwritable operand for result. | 2991 // Use object holding the overwritable operand for result. |
| 2996 __ mov(result, Operand(overwritable_operand)); | 2992 __ mov(result, Operand(overwritable_operand)); |
| 2997 __ bind(&allocated); | 2993 __ bind(&allocated); |
| 2998 } else { | 2994 } else { |
| 2999 ASSERT(mode_ == NO_OVERWRITE); | 2995 ASSERT(mode_ == NO_OVERWRITE); |
| 3000 __ AllocateHeapNumber( | 2996 __ AllocateHeapNumber( |
| 3001 result, scratch1, scratch2, heap_number_map, gc_required); | 2997 result, scratch1, scratch2, heap_number_map, gc_required); |
| 3002 } | 2998 } |
| 3003 } | 2999 } |
| 3004 | 3000 |
| 3005 | 3001 |
| 3006 void TypeRecordingBinaryOpStub::GenerateRegisterArgsPush(MacroAssembler* masm) { | 3002 void BinaryOpStub::GenerateRegisterArgsPush(MacroAssembler* masm) { |
| 3007 __ Push(r1, r0); | 3003 __ Push(r1, r0); |
| 3008 } | 3004 } |
| 3009 | 3005 |
| 3010 | 3006 |
| 3011 void TranscendentalCacheStub::Generate(MacroAssembler* masm) { | 3007 void TranscendentalCacheStub::Generate(MacroAssembler* masm) { |
| 3012 // Untagged case: double input in d2, double result goes | 3008 // Untagged case: double input in d2, double result goes |
| 3013 // into d2. | 3009 // into d2. |
| 3014 // Tagged case: tagged input on top of stack and in r0, | 3010 // Tagged case: tagged input on top of stack and in r0, |
| 3015 // tagged result (heap number) goes into r0. | 3011 // tagged result (heap number) goes into r0. |
| 3016 | 3012 |
| (...skipping 3372 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 6389 __ mov(result, Operand(0)); | 6385 __ mov(result, Operand(0)); |
| 6390 __ Ret(); | 6386 __ Ret(); |
| 6391 } | 6387 } |
| 6392 | 6388 |
| 6393 | 6389 |
| 6394 #undef __ | 6390 #undef __ |
| 6395 | 6391 |
| 6396 } } // namespace v8::internal | 6392 } } // namespace v8::internal |
| 6397 | 6393 |
| 6398 #endif // V8_TARGET_ARCH_ARM | 6394 #endif // V8_TARGET_ARCH_ARM |
| OLD | NEW |