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SIMD Instructions Support in LLVM Compiler

By Pavel Šnobl


This bachelor thesis deals with support of automatic vectorization of code in the LLVM compilation framework and with extension of Codix processor model of SIMD instructions. As a result, LLVM is able to create reports about the process of auto-vectorization and it is possible to use special pragma directives to provide the compiler with additional information for optimizations of programs. Also a way of providing information about architectures of processors created using development environment Codasip Framework, needed for more effective vectorization, is introduced and implemented. Finally a set of integer vector instructions and related new registers for Codix is chosen and added to the model

Topics: CodAL; LLVM; Auto-Vectorization; autovektorizace; SIMD; Codix
Publisher: Vysoké učení technické v Brně. Fakulta informačních technologií
Year: 2014
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