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Re: [avr-gcc-list] OT Generic C question
From: |
Wolfgang Wegner |
Subject: |
Re: [avr-gcc-list] OT Generic C question |
Date: |
Tue, 20 Sep 2005 13:16:25 +0100 |
Hi,
On 20 Sep 2005 at 6:41, Trampas wrote:
> I was helping a friend debug some code, he is new to C, using the Keil
> version of GCC for ARM. Anyway I found the following:
>
> int i;
>
> i=0;
> i=i++;
> //i was still zero that
I think that the right-hand side is completely evaluated before
applying the result to the left-hand side, such that you could also
think of it like this:
i=0;
tmp=i;
i++;
i = tmp;
I do not know if this is compiler-dependent, but I would not count on
the behaviour with this code.
Regards,
Wolfgang
- Re: [avr-gcc-list] OT Generic C question, (continued)
- Re: [avr-gcc-list] OT Generic C question, Colin Paul Gloster, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, David Brown, 2005/09/20
- RE: [avr-gcc-list] OT Generic C question, Trampas, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Dave Hansen, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Richard Urwin, 2005/09/22
- Re: [avr-gcc-list] OT Generic C question, Alan Kilian, 2005/09/22
- Re: [avr-gcc-list] OT Generic C question, Dave Hansen, 2005/09/22
- Re: [avr-gcc-list] OT Generic C question, Richard Urwin, 2005/09/22
- Re: [avr-gcc-list] OT Generic C question, Dave Hansen, 2005/09/22
- Re: [avr-gcc-list] OT Generic C question, Alexandru Csete, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question,
Wolfgang Wegner <=
- Re: [avr-gcc-list] OT Generic C question, Julius Luukko, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Marc Wetzel, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Russell Shaw, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, varsha, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Lev Vyskubov, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, David Kelly, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Christopher X. Candreva, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Joerg Wunsch, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, Jeff Barlow, 2005/09/20
- Re: [avr-gcc-list] OT Generic C question, David Kelly, 2005/09/20