RE: [avr-libc-dev] OPTIMIZE_SPEED for avr5?

[Eric Weddington]

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Dmitry K.
> Sent: Thursday, March 01, 2007 10:38 PM
> To: address@hidden
> Subject: [avr-libc-dev] OPTIMIZE_SPEED for avr5?
> 
> Hi.
> 
> Today, there is a bit of functions (memset, memcpy and
> memcpy_P), which are in 2 variants: compact and speed.
> This acceleration is very effective: a few of progmem
> words give 10..30% speed increase. I plan to expand this
> function list slightly.
> 
> Avr-libc compiles a speed variant for avr3 family only.
> What about to add avr5? Is there any objections?

Hi Dmitry,

This brings up the overall issue of what should the goal be for avr-libc?
Speed, or size?

I still lean towards *size* as the number 1 priority for all code, for all
architectures and devices. When AVR compilers are compared, they are always
compared on code size, not code speed.

Eric Weddington