8031498: Cleanup and re-factorize PhaseChaitin::build_ifg_physical
Summary: Created sub-functions, added data structures, improved naming and removed unnecessary code
Reviewed-by: kvn, roland, rbackman
#
# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
# This is a configuration example using an nfs-mount /java
# it will use the builddeps directly from the nfs mounted directory.
# This is how you use it:
#configure --with-builddeps-conf=..../builddeps.conf.nfs.example
REWRITE_i686_pc_linux_gnu=i686-unknown-linux-gnu
REWRITE_i386_pc_solaris2_10=i686-sun-solaris2_10
DEVTOOLS=/java/devtools
builddep_cups=${DEVTOOLS}/linux/cups/include
builddep_cups_CFLAGS=-I${depdir}
JDK_ROOT=/java/re/jdk/7u4/latest/binaries
builddep_bootjdk_BUILD_i386_pc_solaris2=${JDK_ROOT}/solaris-i586
builddep_bootjdk_BUILD_x86_64_pc_solaris2=${JDK_ROOT}/solaris-amd64
builddep_bootjdk_BUILD_i686_unknown_linux_gnu=${JDK_ROOT}/linux-i586
builddep_bootjdk_BUILD_x86_64_unknown_linux_gnu=${JDK_ROOT}/linux-amd64
builddep_bootjdk_ROOT=