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Modeling Universal Instruction Selection
KTH, School of Information and Communication Technology (ICT), Software and Computer systems, SCS.ORCID iD: 0000-0001-6794-6413
Swedish Institute of Computer Science.
Swedish Institute of Computer Science.
KTH, School of Information and Communication Technology (ICT), Software and Computer systems, SCS.ORCID iD: 0000-0002-6283-7004
2015 (English)In: Principles and Practice of Constraint Programming: 21st International Conference, CP 2015, Cork, Ireland, August 31 -- September 4, 2015, Proceedings / [ed] Gilles Pesant, Springer, 2015, Vol. 9255, 609-626 p.Conference paper (Refereed)
Abstract [en]

Instruction selection implements a program under compilation by selecting  processor instructions and has tremendous impact on the performance of the  code generated by a compiler. This paper introduces a graph-based  universal representation that unifies data and control flow for both  programs and processor instructions. The representation is the essential  prerequisite for a constraint model for instruction selection introduced in  this paper. The model is demonstrated to be expressive in that it supports many processor  features that are out of reach of state-of-the-art approaches, such as  advanced branching instructions, multiple register banks, and SIMD  instructions. The resulting model can be solved for small to medium size  input programs and sophisticated processor instructions and is competitive with LLVM in code quality. Model and representation are significant due to their  expressiveness and their potential to be combined with models for other code  generation tasks.

Place, publisher, year, edition, pages
Springer, 2015. Vol. 9255, 609-626 p.
, Lecture Notes in Computer Science, 9255
Keyword [en]
instruction selection, global code motion, code generation, optimizing compilers, program representations, modern processor architectures
National Category
Computer Systems
Research subject
Computer Science
URN: urn:nbn:se:kth:diva-169684DOI: 10.1007/978-3-319-23219-5_42ScopusID: 2-s2.0-84944558675ISBN: 978-3-319-23219-5OAI: diva2:824504
21st International Conference on Principles and Practice of Constraint Programming,August 31-September 4, 2015, Ireland
Swedish Research Council, VR 621-2011-6229

QC 20150828

Available from: 2015-06-22 Created: 2015-06-22 Last updated: 2015-08-28Bibliographically approved

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