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comparison src/share/vm/gc_interface/collectedHeap.hpp @ 3961:a92cdbac8b9e

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7081933: Use zeroing elimination optimization for large array Summary: Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it. Reviewed-by: twisti
author kvn
date Mon, 26 Sep 2011 10:24:05 -0700
parents c9ca3f51cf41
children e5928e7dab26
comparison
equal deleted inserted replaced
3960:f08d439fab8c 3961:a92cdbac8b9e
320 virtual void preload_and_dump(TRAPS) { ShouldNotReachHere(); } 320 virtual void preload_and_dump(TRAPS) { ShouldNotReachHere(); }
321 321
322 // General obj/array allocation facilities. 322 // General obj/array allocation facilities.
323 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS); 323 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS);
324 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS); 324 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS);
325 inline static oop array_allocate_nozero(KlassHandle klass, int size, int length, TRAPS);
325 326
326 // Special obj/array allocation facilities. 327 // Special obj/array allocation facilities.
327 // Some heaps may want to manage "permanent" data uniquely. These default 328 // Some heaps may want to manage "permanent" data uniquely. These default
328 // to the general routines if the heap does not support such handling. 329 // to the general routines if the heap does not support such handling.
329 inline static oop permanent_obj_allocate(KlassHandle klass, int size, TRAPS); 330 inline static oop permanent_obj_allocate(KlassHandle klass, int size, TRAPS);