archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 11:04:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7081933: Use zeroing elimination optimization for large array

Browse source 
Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it.

Reviewed-by: twisti
This commit is contained in:
Vladimir Kozlov 2011-09-26 10:24:05 -07:00
parent 95c56a472b
commit 47e357e16f
13 changed files with 97 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

1
hotspot/src/share/vm/memory/oopFactory.hpp
View file

@ -63,6 +63,7 @@ class oopFactory: AllStatic {
static typeArrayOop new_permanent_intArray (int length, TRAPS); // used for class file structures
static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS);
// Constant pools
static constantPoolOop new_constantPool (int length,