HKG15-405 Redundant zerosign extension elimination in GCC

HKG15-405: Redundant zero/sign-extension elimination in GCC
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Speaker: Kugan Vivekanandarajah
Date: February 12, 2015
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★ Session Summary ★
Several instances of redundant zero/sign-extension related bugs are reported in GCC and Linaro bugzilla. These bugs are sources of performance/code size penalties. This presentation will discuss the history, design considerations, implementation, and performance characteristics of redundant zero/sign extension elimination in GCC. We will then discuss a new compiler pass that performs computation in promoted type mode in such a way that removes redundant zero/sign-extensions.
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★ Resources ★
Pathable: https://hkg15.pathable.com/meetings/250833
Presentation: http://www.slideshare.net/linaroorg/hkg15405-redundant-zerosignextension-elimination-in-gcc
Etherpad: http://pad.linaro.org/p/hkg15-405
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★ Event Details ★
Linaro Connect Hong Kong 2015 – #HKG15
February 9-13th, 2015
Regal Airport Hotel Hong Kong Airport
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http://connect.linaro.org