equal
deleted
inserted
replaced
103 if (UseCompressedOops) { |
103 if (UseCompressedOops) { |
104 if (dst->is_address() && !dst->is_stack() && (dst->type() == T_OBJECT || dst->type() == T_ARRAY)) return false; |
104 if (dst->is_address() && !dst->is_stack() && (dst->type() == T_OBJECT || dst->type() == T_ARRAY)) return false; |
105 if (src->is_address() && !src->is_stack() && (src->type() == T_OBJECT || src->type() == T_ARRAY)) return false; |
105 if (src->is_address() && !src->is_stack() && (src->type() == T_OBJECT || src->type() == T_ARRAY)) return false; |
106 } |
106 } |
107 |
107 |
|
108 if (UseCompressedKlassPointers) { |
|
109 if (src->is_address() && !src->is_stack() && src->type() == T_ADDRESS && |
|
110 src->as_address_ptr()->disp() == oopDesc::klass_offset_in_bytes()) return false; |
|
111 } |
|
112 |
108 if (dst->is_register()) { |
113 if (dst->is_register()) { |
109 if (src->is_address() && Assembler::is_simm13(src->as_address_ptr()->disp())) { |
114 if (src->is_address() && Assembler::is_simm13(src->as_address_ptr()->disp())) { |
110 return !PatchALot; |
115 return !PatchALot; |
111 } else if (src->is_single_stack()) { |
116 } else if (src->is_single_stack()) { |
112 return true; |
117 return true; |
967 __ ld(base, offset + hi_word_offset_in_bytes, to_reg->as_register_hi()); |
972 __ ld(base, offset + hi_word_offset_in_bytes, to_reg->as_register_hi()); |
968 } |
973 } |
969 #endif |
974 #endif |
970 } |
975 } |
971 break; |
976 break; |
972 case T_METADATA: |
977 case T_METADATA: __ ld_ptr(base, offset, to_reg->as_register()); break; |
973 case T_ADDRESS: __ ld_ptr(base, offset, to_reg->as_register()); break; |
978 case T_ADDRESS: |
|
979 if (offset == oopDesc::klass_offset_in_bytes()) { |
|
980 __ lduw(base, offset, to_reg->as_register()); |
|
981 #ifdef _LP64 |
|
982 if (UseCompressedKlassPointers) { |
|
983 __ decode_klass_not_null(to_reg->as_register()); |
|
984 } |
|
985 #endif |
|
986 } else { |
|
987 __ ld_ptr(base, offset, to_reg->as_register()); |
|
988 } |
|
989 break; |
974 case T_ARRAY : // fall through |
990 case T_ARRAY : // fall through |
975 case T_OBJECT: |
991 case T_OBJECT: |
976 { |
992 { |
977 if (UseCompressedOops && !wide) { |
993 if (UseCompressedOops && !wide) { |
978 __ lduw(base, offset, to_reg->as_register()); |
994 __ lduw(base, offset, to_reg->as_register()); |
2342 Label known_ok, halt; |
2358 Label known_ok, halt; |
2343 metadata2reg(op->expected_type()->constant_encoding(), tmp); |
2359 metadata2reg(op->expected_type()->constant_encoding(), tmp); |
2344 if (UseCompressedKlassPointers) { |
2360 if (UseCompressedKlassPointers) { |
2345 // tmp holds the default type. It currently comes uncompressed after the |
2361 // tmp holds the default type. It currently comes uncompressed after the |
2346 // load of a constant, so encode it. |
2362 // load of a constant, so encode it. |
2347 __ encode_heap_oop(tmp); |
2363 __ encode_klass_not_null(tmp); |
2348 // load the raw value of the dst klass, since we will be comparing |
2364 // load the raw value of the dst klass, since we will be comparing |
2349 // uncompressed values directly. |
2365 // uncompressed values directly. |
2350 __ lduw(dst, oopDesc::klass_offset_in_bytes(), tmp2); |
2366 __ lduw(dst, oopDesc::klass_offset_in_bytes(), tmp2); |
2351 if (basic_type != T_OBJECT) { |
2367 if (basic_type != T_OBJECT) { |
2352 __ cmp(tmp, tmp2); |
2368 __ cmp(tmp, tmp2); |