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comparison src/cpu/x86/vm/c1_LIRAssembler_x86.cpp @ 647:bd441136a5ce

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Merge
author kvn
date Thu, 19 Mar 2009 09:13:24 -0700
parents 7bb995fbd3c0 c517646eef23
children c96bf21b756f
comparison
equal deleted inserted replaced
640:ba50942c8138 647:bd441136a5ce
1596 __ movptr(k_RInfo, Address(array, oopDesc::klass_offset_in_bytes())); 1596 __ movptr(k_RInfo, Address(array, oopDesc::klass_offset_in_bytes()));
1597 __ movptr(klass_RInfo, Address(value, oopDesc::klass_offset_in_bytes())); 1597 __ movptr(klass_RInfo, Address(value, oopDesc::klass_offset_in_bytes()));
1598 1598
1599 // get instance klass 1599 // get instance klass
1600 __ movptr(k_RInfo, Address(k_RInfo, objArrayKlass::element_klass_offset_in_bytes() + sizeof(oopDesc))); 1600 __ movptr(k_RInfo, Address(k_RInfo, objArrayKlass::element_klass_offset_in_bytes() + sizeof(oopDesc)));
1601 // get super_check_offset 1601 // perform the fast part of the checking logic
1602 __ movl(Rtmp1, Address(k_RInfo, sizeof(oopDesc) + Klass::super_check_offset_offset_in_bytes())); 1602 __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, &done, stub->entry(), NULL);
1603 // See if we get an immediate positive hit 1603 // call out-of-line instance of __ check_klass_subtype_slow_path(...):
1604 __ cmpptr(k_RInfo, Address(klass_RInfo, Rtmp1, Address::times_1));
1605 __ jcc(Assembler::equal, done);
1606 // check for immediate negative hit
1607 __ cmpl(Rtmp1, sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes());
1608 __ jcc(Assembler::notEqual, *stub->entry());
1609 // check for self
1610 __ cmpptr(klass_RInfo, k_RInfo);
1611 __ jcc(Assembler::equal, done);
1612
1613 __ push(klass_RInfo); 1604 __ push(klass_RInfo);
1614 __ push(k_RInfo); 1605 __ push(k_RInfo);
1615 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); 1606 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id)));
1616 __ pop(klass_RInfo); 1607 __ pop(klass_RInfo);
1617 __ pop(k_RInfo); 1608 __ pop(k_RInfo);
1733 __ cmpl(klass_RInfo, 0); 1724 __ cmpl(klass_RInfo, 0);
1734 __ jcc(Assembler::equal, *stub->entry()); 1725 __ jcc(Assembler::equal, *stub->entry());
1735 } 1726 }
1736 __ bind(done); 1727 __ bind(done);
1737 } else { 1728 } else {
1738 __ movl(Rtmp1, Address(k_RInfo, sizeof(oopDesc) + Klass::super_check_offset_offset_in_bytes())); 1729 // perform the fast part of the checking logic
1739 // See if we get an immediate positive hit 1730 __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, &done, stub->entry(), NULL);
1740 __ cmpptr(k_RInfo, Address(klass_RInfo, Rtmp1, Address::times_1)); 1731 // call out-of-line instance of __ check_klass_subtype_slow_path(...):
1741 __ jcc(Assembler::equal, done);
1742 // check for immediate negative hit
1743 __ cmpl(Rtmp1, sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes());
1744 __ jcc(Assembler::notEqual, *stub->entry());
1745 // check for self
1746 __ cmpptr(klass_RInfo, k_RInfo);
1747 __ jcc(Assembler::equal, done);
1748
1749 __ push(klass_RInfo); 1732 __ push(klass_RInfo);
1750 __ push(k_RInfo); 1733 __ push(k_RInfo);
1751 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); 1734 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id)));
1752 __ pop(klass_RInfo); 1735 __ pop(klass_RInfo);
1753 __ pop(k_RInfo); 1736 __ pop(k_RInfo);
1819 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); 1802 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id)));
1820 __ pop(klass_RInfo); 1803 __ pop(klass_RInfo);
1821 __ pop(dst); 1804 __ pop(dst);
1822 __ jmp(done); 1805 __ jmp(done);
1823 } 1806 }
1824 } else { 1807 }
1825 #else 1808 else // next block is unconditional if LP64:
1826 { // YUCK
1827 #endif // LP64 1809 #endif // LP64
1810 {
1828 assert(dst != klass_RInfo && dst != k_RInfo, "need 3 registers"); 1811 assert(dst != klass_RInfo && dst != k_RInfo, "need 3 registers");
1829 1812
1830 __ movl(dst, Address(k_RInfo, sizeof(oopDesc) + Klass::super_check_offset_offset_in_bytes())); 1813 // perform the fast part of the checking logic
1831 // See if we get an immediate positive hit 1814 __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, dst, &one, &zero, NULL);
1832 __ cmpptr(k_RInfo, Address(klass_RInfo, dst, Address::times_1)); 1815 // call out-of-line instance of __ check_klass_subtype_slow_path(...):
1833 __ jcc(Assembler::equal, one);
1834 // check for immediate negative hit
1835 __ cmpl(dst, sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes());
1836 __ jcc(Assembler::notEqual, zero);
1837 // check for self
1838 __ cmpptr(klass_RInfo, k_RInfo);
1839 __ jcc(Assembler::equal, one);
1840
1841 __ push(klass_RInfo); 1816 __ push(klass_RInfo);
1842 __ push(k_RInfo); 1817 __ push(k_RInfo);
1843 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); 1818 __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id)));
1844 __ pop(klass_RInfo); 1819 __ pop(klass_RInfo);
1845 __ pop(dst); 1820 __ pop(dst);