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Open64
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== The infrastructure == Its major components are the [[front end processor (program)|frontend]] for C/C++ (using [[GNU Compiler Collection|GCC]]) and Fortran 77/90 (using the CraySoft front-end and libraries), [[interprocedural optimization|Interprocedural analysis]] (IPA), loop nest optimizer (LNO), global optimizer (WOPT), and [[code generation (compiler)|code generator]] (CG). Despite being initially written for a single computer architecture, Open64 has proven that it can generate efficient code for [[complex instruction set computer|CISC]], [[reduced instruction set computer|RISC]], and [[very long instruction word|VLIW]] architectures, including [[MIPS architecture|MIPS]], [[x86]], [[Itanium|IA-64]], [[ARM architecture|ARM]], and others.
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