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comparison src/share/vm/memory/generation.cpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children d1605aabd0a1 12eea04c8b06
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
169 } 169 }
170 return max_contiguous_available() >= promotion_in_bytes; 170 return max_contiguous_available() >= promotion_in_bytes;
171 } 171 }
172 172
173 // Ignores "ref" and calls allocate(). 173 // Ignores "ref" and calls allocate().
174 oop Generation::promote(oop obj, size_t obj_size, oop* ref) { 174 oop Generation::promote(oop obj, size_t obj_size) {
175 assert(obj_size == (size_t)obj->size(), "bad obj_size passed in"); 175 assert(obj_size == (size_t)obj->size(), "bad obj_size passed in");
176 176
177 #ifndef PRODUCT 177 #ifndef PRODUCT
178 if (Universe::heap()->promotion_should_fail()) { 178 if (Universe::heap()->promotion_should_fail()) {
179 return NULL; 179 return NULL;
184 if (result != NULL) { 184 if (result != NULL) {
185 Copy::aligned_disjoint_words((HeapWord*)obj, result, obj_size); 185 Copy::aligned_disjoint_words((HeapWord*)obj, result, obj_size);
186 return oop(result); 186 return oop(result);
187 } else { 187 } else {
188 GenCollectedHeap* gch = GenCollectedHeap::heap(); 188 GenCollectedHeap* gch = GenCollectedHeap::heap();
189 return gch->handle_failed_promotion(this, obj, obj_size, ref); 189 return gch->handle_failed_promotion(this, obj, obj_size);
190 } 190 }
191 } 191 }
192 192
193 oop Generation::par_promote(int thread_num, 193 oop Generation::par_promote(int thread_num,
194 oop obj, markOop m, size_t word_sz) { 194 oop obj, markOop m, size_t word_sz) {