Re: [avr-gcc-list] Speeding [u]ltoa by 35%

[Georg-Johann Lay]

Joerg Wunsch schrieb:
> Georg-Johann Lay <address@hidden> wrote:
>
> > Here is a commented version with an average time reduction
> > of ~45% for the signed version.
>
> Can you submit it as a patch report?

hmmm, I don't know enough about the lib to prepare a proper
patch, e.g.

- changes to the build system / infrastructure
- coding conventions (comments, indenting, ...)

> > If the maintainers don't like the C code, they can use the
> > sanity check from the original post to get a pure assembler
> > implementation and equal code size.
>
> C code is fine, the only reason for writing parts in assembly was to
> gain something over the C version.

How far might the C code go? Could it use asm to explicitly describe the
interface to an assembler function to implement a transparent call?

Johann