Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/oops/oop.inline.hpp
src/share/vm/oops/oop.inline.hpp
- changeset 5784
- 190899198332
- parent 5694
- 7944aba7ba41
- child 6493
- 3205e78d8193
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| 5783:c1fbf21c7397 | 5784:190899198332 |
|---|---|
| 181 // Algorithm for encoding and decoding oops from 64 bit pointers to 32 bit | 181 // Algorithm for encoding and decoding oops from 64 bit pointers to 32 bit |
| 182 // offset from the heap base. Saving the check for null can save instructions | 182 // offset from the heap base. Saving the check for null can save instructions |
| 183 // in inner GC loops so these are separated. | 183 // in inner GC loops so these are separated. |
| 184 | 184 |
| 185 inline bool check_obj_alignment(oop obj) { | 185 inline bool check_obj_alignment(oop obj) { |
| 186 return (intptr_t)obj % MinObjAlignmentInBytes == 0; | 186 return cast_from_oop<intptr_t>(obj) % MinObjAlignmentInBytes == 0; |
| 187 } | 187 } |
| 188 | 188 |
| 189 inline narrowOop oopDesc::encode_heap_oop_not_null(oop v) { | 189 inline narrowOop oopDesc::encode_heap_oop_not_null(oop v) { |
| 190 assert(!is_null(v), "oop value can never be zero"); | 190 assert(!is_null(v), "oop value can never be zero"); |
| 191 assert(check_obj_alignment(v), "Address not aligned"); | 191 assert(check_obj_alignment(v), "Address not aligned"); |
