Difference Between aC++ Compiler versions

[santhanakrishnan_1]

Hi All,

Please could anyone let me know the difference between aC++ compiler A.03.33 & A.03.37 .

I would like to know the basic features of it.

Its a bit urgent .....!!!


Thanks & Regards,

A.SanthanaKrishnan

[inventsekar_1]

Hi SanthanaKrishnan,

New features in HP aC++ version A.03.37 are listed below. They apply to HP-UX 11.x operating systems.

1. New Rogue Wave Tools.h++ library - Version 7.1.1- compatible with -AA
2. UTF-16 character transformation format support
3. __restrict keyword support
4. +ub and +sb options - to control the signedness of bitfields
5. ANSI C++ covariant Return Type
6. Improved support for using PCH (Precompiled Headers) with -AA option
7. Improved support for #pragma pack and #pragma align.
8. Improved DOC (Debug Optimized Code) support
9. Performance Improvements to -AA iostream
Thread mutex contention fix on null strings with -AP


New features in HP aC++ version A.03.33 are listed below:

â OpemMP Standard Supportedâ

â aCC_MAXERR to Control Maximum Number of Compiler Errorsâ

â Small Block Allocator for mallocâ

â Gather/Scatter Prefetch Pragmaâ

â Support for SDK/XDKâ

â Support for _declspecâ

â -Bhidden and -Bhidden_def Command Line Optionsâ

â +Oprofile Option for Profile-Based Optimizationâ

â Initialized Thread Local Storageâ

â -I- Option Enhanced to Perform prefixinclude Searchâ

â Improved Optimization for HP_LONG_RETURN and +DA1.1â


HP aC++ Release Notes: Version A.03.55.02
http://docs.hp.com/en/5990-8191/ch01s05.html?btnPrev=%AB%A0prev

[inventsekar_1]

Hi SanthanaKrishnan,

sorry, the format is not clear.

New features in HP aC++ version A.03.37 are listed below:

1. Rogue Wave Tools.h++ Version 7.1.1 Compatible with -AA
2. UTF-16 Character Transformation Format Support
3. __restrict Keyword Support
4. +ub and +sb Options to Control Bitfield Signedness
5. ANSI C++ Covariant Return Type
6. Improved Support for PCH with -AA
7. Improved Support for Pack and Align Pragmas
8. Improved DOC (Debug Optimized Code) Support
9. Performance Improvements to -AA iostream
10. Thread Muted Contention Fix on Null Strings with -AP


refer this too. refer the Known Limitations and lot of details from release notes:
http://docs.hp.com/en/2212/A-03-37relnotes.html

[A. Clay Stephenson]

another simple question:0.04

Correct answer: It doesn't matter. Those are both very old versions that should be replaced.