Open64 unterstützt die Sprachen Fortran 77/95 und C/C++ und soll vor allem hochperformanten Code für Parallel-Computing erzeugen (über MPI, OpenMP und Auto-Parallelisierung mit hochoptimierten Bibliotheken).

Funktionen:

• Language Standards
  
  
  • ANSI C99, ISO C++98
    
    • Conforms to ISO/IEC 9899: 1999, Programming Languages - C standard
    • Conforms to ISO/IEC 14882:1998(E), Programming Languages - C++ standard
  • Fortran 77, 90, 95
    • Conforms to ISO/IEC 1539-1: 1997 Programming Languages - Fortran
  • Inter-language calling
  • IEEE 754 floating point support
  • Pragmas to control optimizations
• Platform Highlights
  
  
  • x86 32-bit and x86 64-bit code generation
  • Large File support on 32-bit systems
  • Byte-swapping I/O
  • Vector and scalar SSE/SSE2/SSE3 code generation
  • OpenMP 2.5 for shared memory models
  • MPICH2 for distributed and shared memory models
  • Optimized AMD Core Math Library (ACML)
• Optimization Highlights
  
  
  • Global optimizations, e.g.
    • Partial redundancy elimination
    • Constant propagation and code motion
    • Strength reduction and expression simplification
    • Dead code elimination and common sub-expression elimination
  • Loop-nest optimizations
    (enabled with '-O3'), e.g.
    • – Loopfusion and distribution
    • Loop interchange and cache locality optimization
    • Vectorization for SSE* code generation
    • Software data prefetching
  • Code generation and optimizations, e.g.
    • Advanced register allocation
    • Loop unrolling
    • Instruction selection and scheduling
    • Peephole optimizations
  • Feedback-directed optimizations
    (enabled with ‘-fb_create/-fb_opt’), e.g.
    • Code layout
    • Feedback-directed function inlining and de-virtualization
    • Feedback-guided register spilling
    • Value specialization
  • Inter-procedural analysis and optimization
    (enabled with '-ipa'), e.g.
    • Function inlining and cloning
    • Inter-procedural alias analysis
    • Data re-layout optimizations for structure members
    • Inter-procedural constant propagation and dead code elimination

• Release Notes

• AMD x86 Open64 Compiler Suite 4.2.3.2-1 [Source]
• AMD x86 Open64 Compiler Suite 4.2.3.2-1 [Linux, .tar.bz2]
• AMD x86 Open64 Compiler Suite 4.2.3.2-1 [Linux, .rpm]

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