3rd Workshop on Compiler-Driven Performance

October 06, 2004
Hilton Suites Toronto/Markham Conference Centre
Markham, ON

Associated with CASCON 2004
(http://www.cas.ibm.com/cascon)


 

Widening

Ian McIntosh - IBM Toronto Lab

The new Widening optimization in VAC++ v7 and xlf 9.1 can sometimes replace separate instructions operating on bytes, halfwords or words with merged instructions handling a register width or a longer byte string at a time.

Presentation Slides.