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comparison src/share/vm/oops/oop.inline.hpp @ 12316:190899198332

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7195622: CheckUnhandledOops has limited usefulness now Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms. Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin Contributed-by: lois.foltan@oracle.com
author hseigel
date Thu, 26 Sep 2013 10:25:02 -0400
parents 7944aba7ba41
children cefad50507d8 3205e78d8193
comparison
equal deleted inserted replaced
12315:c1fbf21c7397 12316:190899198332
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");