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| Presentation | 2015-01-30 11:30 Detecting Missed Arithmetic Optimization Opportunities Using Random Testing of C Compilers Atsushi Hashimoto, Nagisa Ishiura (Kwansei Gakuin Univ.)  VLD2014-139 CPSY2014-148 RECONF2014-72 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This article presents new methods of detecting missed arithmetic optimization opportunities of C compilers by random testing. For each iteration of random testing, a C program containing arithmetic expressions is generated, from which another program, with the expressions optimized in the C program level, is also generated. Lack of optimization on the first program is detected by comparing the two assembly codes compiled from the two C programs. A method of detecting erroneous optimization or insufficient optimization involving volatile variables is also proposed, in which two random programs differing only on the initial values for volatile variables are generated, and the resulting assembly codes are compared. Random test systems implemented based on the proposed methods have detected missed optimization opportunities on several compilers, including the latest development versions of GCC-5.0.0 and LLVM/Clang-3.6. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Compiler / Randomtest / Optimization / Volatile / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 426, VLD2014-139, pp. 169-174, Jan. 2015. | |
| Paper # | VLD2014-139 | |
| Date of Issue | 2015-01-22 (VLD, CPSY, RECONF) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | VLD2014-139 CPSY2014-148 RECONF2014-72 |
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| Conference Information | |
| Committee | RECONF CPSY VLD IPSJ-SLDM |
| Conference Date | 2015-01-29 - 2015-01-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiyoshi Campus, Keio University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | FPGA Applications, etc |
| Paper Information | |
| Registration To | VLD |
| Conference Code | 2015-01-RECONF-CPSY-VLD-SLDM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detecting Missed Arithmetic Optimization Opportunities Using Random Testing of C Compilers |
| Sub Title (in English) | |
| Keyword(1) | Compiler |
| Keyword(2) | Randomtest |
| Keyword(3) | Optimization |
| Keyword(4) | Volatile |
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| 1st Author's Name | Atsushi Hashimoto |
| 1st Author's Affiliation | Kwansei Gakuin University (Kwansei Gakuin Univ.) |
| 2nd Author's Name | Nagisa Ishiura |
| 2nd Author's Affiliation | Kwansei Gakuin University (Kwansei Gakuin Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-01-30 11:30:00 |
| Presentation Time | 20 minutes |
| Registration for | VLD |
| Paper # | VLD2014-139, CPSY2014-148, RECONF2014-72 |
| Volume (vol) | vol.114 |
| Number (no) | no.426(VLD), no.427(CPSY), no.428(RECONF) |
| Page | pp.169-174 |
| #Pages | 6 |
| Date of Issue | 2015-01-22 (VLD, CPSY, RECONF) |
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