hg: jdk8u/hs-dev/hotspot: 8052081: Optimize generated by C2 code for Intel's Atom processor

[vladimir.kozlov at oracle.com]

Changeset: b1bc1af04c6e
Author:    kvn
Date:      2014-08-05 15:02 -0700
URL:       http://hg.openjdk.java.net/jdk8u/hs-dev/hotspot/rev/b1bc1af04c6e

8052081: Optimize generated by C2 code for Intel's Atom processor
Summary: Allow to execute vectorization and crc32 optimization on Atom. Enable UseFPUForSpilling by default on x86.
Reviewed-by: roland

! src/cpu/x86/vm/assembler_x86.cpp
! src/cpu/x86/vm/assembler_x86.hpp
! src/cpu/x86/vm/macroAssembler_x86.cpp
! src/cpu/x86/vm/macroAssembler_x86.hpp
! src/cpu/x86/vm/vm_version_x86.cpp
! src/share/vm/opto/lcm.cpp
! src/share/vm/opto/superword.cpp