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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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6
hotspot/src/share/vm/c1/c1_Runtime1.hpp
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@ -94,7 +94,10 @@ class Runtime1: public AllStatic {
static int _generic_arraycopy_cnt;
static int _primitive_arraycopy_cnt;
static int _oop_arraycopy_cnt;
static int _generic_arraycopystub_cnt;
static int _arraycopy_slowcase_cnt;
static int _arraycopy_checkcast_cnt;
static int _arraycopy_checkcast_attempt_cnt;
static int _new_type_array_slowcase_cnt;
static int _new_object_array_slowcase_cnt;
static int _new_instance_slowcase_cnt;
@ -174,7 +177,8 @@ class Runtime1: public AllStatic {
static void trace_block_entry(jint block_id);
#ifndef PRODUCT
static address throw_count_address() { return (address)&_throw_count; }
static address throw_count_address() { return (address)&_throw_count; }
static address arraycopy_count_address(BasicType type);
#endif
// directly accessible leaf routine