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Re: [avr-gcc-list] dev and mod may not be optimized
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From: |
Gre7g Luterman |
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Subject: |
Re: [avr-gcc-list] dev and mod may not be optimized |
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Date: |
Wed, 12 Dec 2007 07:52:04 -0800 (PST) |
--- Paulo Marques <address@hidden> wrote:
> Actually after a few more digging, we can do this
> all in plain C, by
> using a smaller reciprocal multiplier:
<snipped>
Wow, that's freakin' inspired! And you're right it
does optimize nicely. Here's a 20 byte version that
executes in 12 cycles:
http://pastie.textmate.org/127541
Gre7g
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- RE: [avr-gcc-list] dev and mod may not be optimized, (continued)
- Re: [avr-gcc-list] dev and mod may not be optimized, Albert Andras, 2007/12/11
- Re: [avr-gcc-list] dev and mod may not be optimized, Gre7g Luterman, 2007/12/11
- Re: [avr-gcc-list] dev and mod may not be optimized, Paulo Marques, 2007/12/12
- Re: [avr-gcc-list] dev and mod may not be optimized, Paulo Marques, 2007/12/12
- Re: [avr-gcc-list] dev and mod may not be optimized,
Gre7g Luterman <=
- Re: [avr-gcc-list] dev and mod may not be optimized, Paulo Marques, 2007/12/12
- Re: [avr-gcc-list] dev and mod may not be optimized, David Brown, 2007/12/12
Re: [avr-gcc-list] dev and mod may not be optimized, Eric Pasquier, 2007/12/11