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Re: [avr-gcc-list] floating point library

From: Denis Chertykov
Subject: Re: [avr-gcc-list] floating point library
Date: 21 Mar 2001 23:08:47 +0300

Oleg Gladyshev <address@hidden> writes:

> Hello all,
>   How can I reduce size of my program which uses floats? I use simple
> float operations and my program increases up to 6K (in flash)! IAR compiles 
> same
> program to 1,5K

It's because avr-gcc by default uses floatin point routines written on C.
I'm use such routines for avr-gcc testing.

> How can I optimise my gcc libraries?

As I know latest avr-libc have an assembler written fp routines.
Try avr-gcc ... -lm


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