| Chapter 16 |
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16
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Managing Memory and Data Access
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16.1
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Managing Memory Granularity (Alpha, I64)
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16.2
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Using the VOLATILE Compiler Directive (Alpha, I64)
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16.3
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Aligning Data for Performance and Compatibility (Alpha, I64)
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16.3.1
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Data Boundaries (Alpha, I64)
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16.3.2
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Data Field Padding (Alpha, I64)
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16.3.3
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Alignment Directives, Qualifiers, and Flags (Alpha, I64)
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16.3.4
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Specifying Alignment at Compile Time (Alpha, I64)
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16.4
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Using Alignment Directives, Qualifiers, and Flags (Alpha, I64)
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16.4.1
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Order of Alignment Operations (Alpha, I64)
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16.4.2
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Nesting Alignment Directives (Alpha, I64)
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16.4.2.1
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SYNCHRONIZED Clause
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16.4.3
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Comparing Alignment Directive Effects
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| Appendix A |
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Appendix A
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Compiler Implementation Specifications
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| Appendix B |
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Appendix B
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HP COBOL on Four Platforms: Compatibility and Migration
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B.1
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Compatibility Matrix
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B.2
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Differences in Extensions and Other Features
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B.3
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Command-Line Qualifiers (Options or Flags)
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B.3.1
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Qualifiers and Flags Shared by HP COBOL on Alpha, I64, and VAX
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B.3.2
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Alpha- and I64-Specific COBOL Qualifiers and Flags
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B.3.3
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Qualifiers Only on HP COBOL for OpenVMS VAX
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B.4
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HP COBOL Behavior Differences on VAX and Alpha and I64
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B.4.1
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Program Structure Messages
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B.4.2
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Program Listing Differences
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B.4.2.1
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Machine Code
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B.4.2.2
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Module Names
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B.4.2.3
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COPY and REPLACE Statements
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B.4.2.4
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Multiple COPY Statements
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B.4.2.5
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COPY Insert Statement
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B.4.2.6
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REPLACE and COPY REPLACING Statements
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B.4.2.7
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DATE COMPILED Statement
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B.4.2.8
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Compiler Listings and Separate Compilations (OpenVMS)
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B.4.3
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Output Formatting
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B.4.4
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HP COBOL Statement Differences on Alpha, I64, and VAX
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B.4.4.1
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ACCEPT and DISPLAY Statements
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B.4.4.2
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LINAGE Clause
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B.4.4.3
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MOVE Statement
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B.4.4.4
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SEARCH Statement
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B.4.5
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System Return Codes
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B.4.6
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Diagnostic Messages
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B.4.7
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Storage for Double-Precision Data Items
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B.4.8
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File Status Values
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B.4.9
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RMS Special Registers (OpenVMS)
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B.4.10
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Calling Shareable Images
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B.4.11
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Sharing Common Blocks (OpenVMS)
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B.4.12
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Arithmetic Operations
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B.5
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Differences Between Releases and Across Operating Systems
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B.5.1
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REWRITE
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B.5.2
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File Sharing and Record Locking
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B.5.3
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VFC File Format
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B.5.4
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File Attribute Checking (Tru64 UNIX)
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B.5.5
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Indexed Files
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B.5.6
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RMS Special Register References in Your Code
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B.6
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File Compatibility Across Languages and Platforms
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B.7
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LIB$INITIALIZE Interaction Between C and COBOL
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B.8
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Reserved Words
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B.9
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Debugger Support Differences
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B.10
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DECset/LSE Support Differences
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B.11
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DBMS Support
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B.11.1
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Compiling on Tru64 UNIX
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B.11.2
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Multistream DBMS DML
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