hg: ppc-aix-port/jdk7u/hotspot: Improve adlc usability.

[goetz.lindenmaier at sap.com]

Changeset: 0fac608b90e1
Author:    Goetz Lindenmaier
Date:      2012-07-26 14:23 +0200
URL:       http://hg.openjdk.java.net/ppc-aix-port/jdk7u/hotspot/rev/0fac608b90e1

Improve adlc usability.

 - Make adlc more stable, especially if parsing faulty ad files.
 - In some cases raise syntax errors instead of asserting.
 - Write more comments into generated files.
 - Make calls to node->format() more stable.
 - ...

! src/share/vm/adlc/adlparse.cpp
! src/share/vm/adlc/archDesc.cpp
! src/share/vm/adlc/archDesc.hpp
! src/share/vm/adlc/dfa.cpp
! src/share/vm/adlc/dict2.cpp
! src/share/vm/adlc/filebuff.hpp
! src/share/vm/adlc/forms.hpp
! src/share/vm/adlc/formssel.cpp
! src/share/vm/adlc/formssel.hpp
! src/share/vm/adlc/main.cpp
! src/share/vm/adlc/output_c.cpp
! src/share/vm/adlc/output_h.cpp
! src/share/vm/opto/machnode.cpp
! src/share/vm/opto/machnode.hpp