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Re: [avr-gcc-list] Speed challenge...
From: |
Peter N Lewis |
Subject: |
Re: [avr-gcc-list] Speed challenge... |
Date: |
Sat, 27 Apr 2002 18:31:56 +0800 |
At 16:01 +0800 27/4/02, Peter N Lewis wrote:
Then you find the section of code you're interested in, and you look
at the instructions. Using an Instruction Set summary (like the one
at <http://www.atmel.com/atmel/acrobat/doc0856.pdf>, or better yet,
one with a table of instructions and cycles), look at the cycles
used by each instruction.
Here is a nice summary:
http://homepage.ntlworld.com/matthew.rowe/micros/avrinstr.htm
Enjoy,
Peter.
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