patchAVR C Runtime Library - Patches: patch #5621, Optimizing a 16-bit * 8-bit ->...


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patch #5621: Optimizing a 16-bit * 8-bit -> 24-bit multiplication

Submitted by:  None
Submitted on:  Thu 07 Dec 2006 04:48:47 PM UTC  
Category: NonePriority: 5 - Normal
Status: NonePrivacy: Public
Assigned to: NoneOriginator Email: -unavailable-
Open/Closed: Open

Thu 07 Dec 2006 04:48:47 PM UTC, original submission:

On 12/1/06, Galen Seitz <> wrote:

> Not exactly what you want, but this might help you get started.
> galen
> extern inline int16_t
> mult_s16_u8s16(uint8_t a, int16_t b)


Thanks for the code snippet, Galen. Using your mult_s16_u8s16 for inspiration, I wrote mul_16_8 (u16 * u8 -> u24). Perhaps these functions should be added to avr-libc.




Attached Files
file #11470:  mul.h added by None (349B - text/x-chdr)


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Follows 1 latest change.

Date Changed By Updated Field Previous Value => Replaced By
Thu 07 Dec 2006 04:48:47 PM UTCNoneAttached File-=>Added mul.h, #11470

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