hg: jdk7/hotspot-comp/hotspot: 7033154: Improve C1 arraycopy performance

[roland.westrelin at oracle.com]

Changeset: 13bc79b5c9c8
Author:    roland
Date:      2011-04-03 12:00 +0200
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/13bc79b5c9c8

7033154: Improve C1 arraycopy performance
Summary: better static analysis. Take advantage of array copy stubs.
Reviewed-by: never

! src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
! src/cpu/x86/vm/c1_LIRAssembler_x86.cpp
! src/share/vm/c1/c1_GraphBuilder.cpp
! src/share/vm/c1/c1_Instruction.cpp
! src/share/vm/c1/c1_Instruction.hpp
! src/share/vm/c1/c1_LIR.hpp
! src/share/vm/c1/c1_LIRGenerator.cpp
! src/share/vm/c1/c1_Optimizer.cpp
! src/share/vm/c1/c1_Runtime1.cpp
! src/share/vm/c1/c1_Runtime1.hpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/runtime/stubRoutines.cpp
! src/share/vm/runtime/stubRoutines.hpp