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Raleigh, NC - September 17, 2003: Dignus, LLC announces delivery of Systems/C 1.70 and Systems/C++ 1.70

Continuing to build on our excellent language offerings, Dignus announces the delivery of Version 1.70 of Systems/C and Systems/C++.

The Systems/C and Systems/C++ PLINK utility has been totally rewritten, to meet the demand of more modern Systems/C and Systems/C++ programs. In particular, this version of PLINK supports "weak" definitions, allowing for automatic instantiation of C++ templates without the need for cumbersome build machinations or bloated load modules. This new version of PLINK can also function as a replacement for the IBM pre-linker. IBM compatible objects, generated by Systems/C and Systems/C++, can now be pre-linked on cross-platform hosts, greatly improving the build management process.

Version 1.70 of the Systems/C C runtime also now includes ASCII/EBCDIC translation routines which aid in interoperability with ASCII systems.

Systems/C has been enhanced to provide language features compatible with SAS/C(tm), easing the transition from a SAS/C programming environment to a Systems/C programming environment.

Systems/C++ and Systems/C have also been enhanced to provide even greater control over the generated assembly source, listing options, and improved code generation.

Important features of this delivery include:

• Systems/C Runtime Library:
  • The rename() function was agumented to support renaming of DSN-style files.
    

  • New ASCII/EBCDIC tranlation functions were added to the runtime.
  
  

• Systems/C Utilities:
  • PLINK has been rewritten and now handles "weak" function definitions and automatic template instantantiation. Also, PLINK can process GOFF object files directly, removing the need for the GOFF2XSD utility.

    PLINK has been further augmented to handle dummy sections and generate its own Pseudo-Register-Vector (PRV), and handles Q-CON relocations. This facility adds support for generating re-entrant programs on older operating systems which use older versions of the IBM linker.

    Furthermore, PLINK, DAR and DRANLIB can now handle IBM C objects. When an IBM compatible object is discovered, PLINK mimics the IBM Pre-Linker. Thus, all IBM pre-linking functions can be accomplished on a cross-platform host.
    

• Systems/C and Systems/C++ Compilers:
  • Support for defining #pragma weak functions in DCC and DCXX.
    

  • New -fstructmap and -fno_structmap DCC and DCXX options to enable/disable the "structure map" portion of the listing.
    

  • New -fasmcomm option in DCC and DCXX, which describes how the original C/C++ lines should appear in the generated assembler output.
    

  • New -fflex, -fmin_lm_reg=X and -fmin_stm_reg=X options in DCC and DCXX These control optimization to improve performance on FLEX/ES(tm) systems.
    

  • New SAS/C compatiblity options in DCC, including -fat and -fsascdigraphs. -fat indicates that DCC should support the SAS/C @-operator. -fsascdigraphs enables support for SAS/C-style digraphs in the C source.
    

  • New -fopts[=macro] and -fendmacro[=text] in DCC and DCXX, which offer mechanisms for decorating the beginning and ending of the generated assembly source.
    

  • New -fexportall option in DCXX; for support of the EXPORTALL feature in IBM compatibiltiy mode.
    

  • New -fdll and -fexportall options in DCC for DLL support in IBM compatibility mode.
    

  • New -fdollar option in DCC and DCXX, which allows dollar-signs ('$') in identifiers.
    

  • Access Register moves of structures to and from hiperspaces was increased from 256 to 4095 bytes.
    

  • Improved code generation in testing "flag" bytes, involving unsigned char operations and unsigned int values.
    

  • Code generation improvements were implemented to reduce the number of SAR, SAC and CPYA instructions when using __far and __based pointers.
    

  • Code generation improvements to add new options to the prologue/epilogue to not save/restore as many registers or, possibly, no saving/restoring of registers. Also, code generation improvements to reduce the local dynamic storage area requirements were added.
    

  • Code generation Improvements in constant multiplication evaluation were implemented to avoid unnecessary register copies.

About Dignus, LLC

Dignus, LLC is an innovative company, located in Raleigh, North Carolina, committed to providing the best compilers, assemblers and development tools for the IBM mainframe. Dignus, LLC provides unique mainframe programming solutions that offer savings in time and effort, while streamlining development costs. Solutions are applicable to programming for a wide range of IBM mainframe operating systems, including OS/390, TPF, VM, Linux/390 and others. Systems/C, Systems/C++ and Systems/ASM run in native or cross-mode on PCs or workstations. This allows the end user to have the benefits of exceptional editing, rapid compile times, and locally assembled output linked on the mainframe for execution. Dignus compilers and assemblers have been recognized by IBM as "IBM Enterprise Servers Division Member Solution of the Month." For more information about Dignus, LLC or our products visit www.dignus.com.