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HP Itanium-based Systems: HP aC++/HP ANSI C Release Notes
Version A.06.05
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HP Part Number: 5991-3304

Edition: Edition 6

Published: September 2005

© Copyright 2005 Hewlett-Packard Development Company L.P. All rights reserved

Table of Contents

1 HP aC++/HP ANSI C Release Notes
Announcement
What’s in This Version
New Features in Version A.06.05
New Features in Version A.06.00
New Features in Version A.05.55
-ipo Option
-notrigraph Option
Enhancement to +Oinlinebudget Option
The +d Option Disables all Inlining
The +Oinline Option now Optimizes at +O2 and Above
+prerelease_v6 Option
New Features in the A.05.50 Release
Driver Options to enable C89 and C99 Standard
New ANSI Language Mode Options (-AOe and -AOa)
+O[no]ptrs_to_globals[=list] Option
+Ovolatile Option
+Ointeger_overflow Option
Covariant Return Type
+O[no]loop_unroll[=unroll_factor] Option
+Oprefetch_latency=cycles Option
Qualifiers for +Oprofile=collect Option
Rogue Wave Tools.h++ Version 7.1.1 Compatible with -AA
+ub and +sb Options
New no_return Pragma
pack Pragma
align Pragma
unalign Pragma
Interaction between pack and unalign Pragmas
HP_ALIGN and unalign Pragmas
Variable Length Array (VLA) - C99
Complex Data Type (C99)
Enhanced Features
Unsupported Features
Fixes in This Version
New Features in Version A.05.36
UTF-16 Character Support
OpenMP Standard Support
Support for SDK/XDK
aCC_MAXERR Environment Variable
Initialized Thread Local Storage
+O[no]inline=list Option
-I- Option Enhanced to Perform prefixinclude Search
+legacy_hpc and +legacy_cpp Options
Unified Support for Packing and Alignment Pragmas
New Features in Version A.05.30
HP Caliper is Bundled with HP aC++
Standard C++ Library 2.0 based on the New Rogue Wave SL 2.0
Installation Information
Hardware Requirements
Compatibility Information
Itanium®-based ABI Object Layout Incompatibility
Known Problems and Workarounds
Object Files Generated at Optimization Level 4
Incompatibilities Between the Standard C++ Library Ver. 1.2.1 and the Draft Standard
Conflict Between macros.h and numeric_limits Class (min and max)
Known Limitations
Related Documentation
Online Documentation

List of Tables

1-1 Alternate Location for Components
1-2 Alternate Location for Components
1-3 Default Path and New Path for Compiler
   


Chapter 1 HP aC++/HP ANSI C Release Notes  
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© 2005 Hewlett-Packard Development Company, L.P.