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comparison src/cpu/x86/vm/stubGenerator_x86_64.cpp @ 4771:22cee0ee8927

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Merge
author kvn
date Fri, 06 Jan 2012 20:09:20 -0800
parents dca455dea3a7 069ab3f976d3
children c742b0b47fe5
comparison
equal deleted inserted replaced
4755:2b3acb34791f 4771:22cee0ee8927
2259 #ifdef ASSERT 2259 #ifdef ASSERT
2260 BLOCK_COMMENT("assert consistent ckoff/ckval"); 2260 BLOCK_COMMENT("assert consistent ckoff/ckval");
2261 // The ckoff and ckval must be mutually consistent, 2261 // The ckoff and ckval must be mutually consistent,
2262 // even though caller generates both. 2262 // even though caller generates both.
2263 { Label L; 2263 { Label L;
2264 int sco_offset = (klassOopDesc::header_size() * HeapWordSize + 2264 int sco_offset = in_bytes(Klass::super_check_offset_offset());
2265 Klass::super_check_offset_offset_in_bytes());
2266 __ cmpl(ckoff, Address(ckval, sco_offset)); 2265 __ cmpl(ckoff, Address(ckval, sco_offset));
2267 __ jcc(Assembler::equal, L); 2266 __ jcc(Assembler::equal, L);
2268 __ stop("super_check_offset inconsistent"); 2267 __ stop("super_check_offset inconsistent");
2269 __ bind(L); 2268 __ bind(L);
2270 } 2269 }
2570 // 32 30 24 16 8 2 0 2569 // 32 30 24 16 8 2 0
2571 // 2570 //
2572 // array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0 2571 // array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0
2573 // 2572 //
2574 2573
2575 const int lh_offset = klassOopDesc::header_size() * HeapWordSize + 2574 const int lh_offset = in_bytes(Klass::layout_helper_offset());
2576 Klass::layout_helper_offset_in_bytes();
2577 2575
2578 // Handle objArrays completely differently... 2576 // Handle objArrays completely differently...
2579 const jint objArray_lh = Klass::array_layout_helper(T_OBJECT); 2577 const jint objArray_lh = Klass::array_layout_helper(T_OBJECT);
2580 __ cmpl(Address(r10_src_klass, lh_offset), objArray_lh); 2578 __ cmpl(Address(r10_src_klass, lh_offset), objArray_lh);
2581 __ jcc(Assembler::equal, L_objArray); 2579 __ jcc(Assembler::equal, L_objArray);
2720 assert_different_registers(from, to, count, sco_temp, 2718 assert_different_registers(from, to, count, sco_temp,
2721 r11_dst_klass, r10_src_klass); 2719 r11_dst_klass, r10_src_klass);
2722 assert_clean_int(count, sco_temp); 2720 assert_clean_int(count, sco_temp);
2723 2721
2724 // Generate the type check. 2722 // Generate the type check.
2725 const int sco_offset = (klassOopDesc::header_size() * HeapWordSize + 2723 const int sco_offset = in_bytes(Klass::super_check_offset_offset());
2726 Klass::super_check_offset_offset_in_bytes());
2727 __ movl(sco_temp, Address(r11_dst_klass, sco_offset)); 2724 __ movl(sco_temp, Address(r11_dst_klass, sco_offset));
2728 assert_clean_int(sco_temp, rax); 2725 assert_clean_int(sco_temp, rax);
2729 generate_type_check(r10_src_klass, sco_temp, r11_dst_klass, L_plain_copy); 2726 generate_type_check(r10_src_klass, sco_temp, r11_dst_klass, L_plain_copy);
2730 2727
2731 // Fetch destination element klass from the objArrayKlass header. 2728 // Fetch destination element klass from the objArrayKlass header.
2732 int ek_offset = (klassOopDesc::header_size() * HeapWordSize + 2729 int ek_offset = in_bytes(objArrayKlass::element_klass_offset());
2733 objArrayKlass::element_klass_offset_in_bytes());
2734 __ movptr(r11_dst_klass, Address(r11_dst_klass, ek_offset)); 2730 __ movptr(r11_dst_klass, Address(r11_dst_klass, ek_offset));
2735 __ movl( sco_temp, Address(r11_dst_klass, sco_offset)); 2731 __ movl( sco_temp, Address(r11_dst_klass, sco_offset));
2736 assert_clean_int(sco_temp, rax); 2732 assert_clean_int(sco_temp, rax);
2737 2733
2738 // the checkcast_copy loop needs two extra arguments: 2734 // the checkcast_copy loop needs two extra arguments: