Re: [avr-libc-dev] Improved optimizer for mixed 32 / 16 / 8 bit expressions

[Paul Schlie]

Very nice, out of curiosity, whas this done entirely with .md rtl
optimization, or improving the minimal type size representation
within the compiler's front/middle end? (or a little of both?)

> From: Björn Haase <address@hidden>
> 
> Hi,
> 
> I have been working on improvements of avr-gcc when dealing with
> variables of different sizes, e.g. operations combining objects of
> type int8_t, uint16_t, int32_t , etc. .
> 
> My main objective has been to reduce the amount of registers required by
> the different operations.
> ...