[sldev] getting serious about software.

[Callum Lerwick]

On Sat, 2007-06-23 at 11:53 +0200, Dirk Moerenhout wrote:
> Your reference seems incomplete. I assume what you wanted to tell us
> is that in the mean time you've learned that the compiler translates
> temp/2 or temp>>1 into a single instruction (SAR on intel) which
> handles the sign correctly (as long as you correctly typed your
> variable as being signed)?

Nope, three instructions. Simply shifting is incorrect with a negative
value, and a lot of programmers don't seem to realize this. I didn't
until I broke OpenJPEG...
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