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Re: [avr-gcc-list] Re: C aliasing rules


From: Paulo Marques
Subject: Re: [avr-gcc-list] Re: C aliasing rules
Date: Wed, 19 May 2010 19:40:56 +0100
User-agent: Thunderbird 2.0.0.23 (X11/20090817)

Jan Waclawek wrote:
> What if instead of concetrating on this aliasing stuff you'd been
> already told is not pertinent to avr-gcc, you finally start to examine
> the compiled code?

Humm?? Why do you think it is not pertinent to avr-gcc?

All I see in this thread is people that don't understand what aliasing
is trying to confuse things even further.

IMHO that code should have a:

union {
        uint32_t u32[2];
        uint8_t  u8[8];
} xtea_block_t;

definition, so that each piece of the code could use the version that
best suited its needs...

-- 
Paulo Marques
Software Development Department - Grupo PIE, S.A.
Phone: +351 252 290600, Fax: +351 252 290601
Web: www.grupopie.com

"All generalizations are false."



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