HP Compilers for HP Integrity Servers (September 2011)

What’s new in HP compiler A.06.26
Following are the changes in HP aC++/HP C compiler version A.06.26:
• Improved GNU compatibility and new GNU features
Support for GNU statement expression◦
◦ Support for GNU _Pragma
• C++0x language extensions
Globally unique names◦
◦ Rvalue references
• Option to redirect make-dependency
• Support for initialization of Flexible Array Member
• Improved C++ Demangler
• Deprecation and removal of options
For more information about the changes, see the HP aC++/HP ANSI C A.06.26 Release
Notes on the web at http://www.hp.com/go/hpux-C-Integrity-docs. The online ASCII
file is available with the product at /opt/aCC/newconfig/RelNotes/
ACXX.release.notes.
Understanding key features of the HP compilers
The following sections describe each of these key features:
• “Standards compliance” (page 10)
• “Compatibility” (page 11)
• “Extensive application availability” (page 11)
• “Faster development and debug” (page 12)
• “Advanced low-level optimization” (page 12)
• “Profile-based optimization” (page 13)
• “Powerful high-level optimization” (page 15)
• “Precise floating-point control” (page 21)
• “Extensive inline assembly” (page 23)
Standards compliance
Each HP compiler adheres to defacto industry and international standards to enhance
link and runtime compatibility and source code portability. This adherence to open
standards protects the investment of application developers and provides rapid
development and deployment of new applications. The HP C compiler is branded for
10 HP compilers for HP Integrity servers