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Re: [avr-gcc-list] Re: Optimisation of bit set/clear in uint32_t


From: Graham Davies
Subject: Re: [avr-gcc-list] Re: Optimisation of bit set/clear in uint32_t
Date: Wed, 22 Apr 2009 07:55:50 -0400

Dale Whitfield wrote:

Its how volatile works by *loading* the registers before making changes.
However, if its possible to only store back changed bytes, then surely
that's all that needs to be done.

Your understanding of volatile is not correct.  By saying ...

:-) I guess we need to agree to disagree on this.

... you are declining to be corrected.  Enough said (I hope).

Graham.






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