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7033154: Improve C1 arraycopy performance

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Better static analysis. Take advantage of array copy stubs.

Reviewed-by: never
This commit is contained in:
Roland Westrelin 2011-04-03 12:00:54 +02:00
parent 00eca5e982
commit f94d7776ca
13 changed files with 720 additions and 146 deletions
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2
hotspot/src/share/vm/runtime/stubRoutines.hpp
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@ -282,6 +282,8 @@ class StubRoutines: AllStatic {
static address addr_fpu_subnormal_bias2() { return (address)&_fpu_subnormal_bias2; }
static address select_arraycopy_function(BasicType t, bool aligned, bool disjoint, const char* &name, bool dest_uninitialized);
static address jbyte_arraycopy() { return _jbyte_arraycopy; }
static address jshort_arraycopy() { return _jshort_arraycopy; }
static address jint_arraycopy() { return _jint_arraycopy; }