Ang Way Chuang wrote:
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 8:50 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
abc.a = abc.a++ % abc.b;
You are assigning to abc.a twice without a sequence point inbetween so
this code is undefined as the order of evaluation of expressions
withou
Paolo Bonzini wrote:
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
Huh? Now you got me confused. Since it is an undefined behaviour, gcc
is free to whatever it likes.
Sure, but if you ask gcc to signal a warning, it is supposed to do so.
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
Huh? Now you got me confused. Since it is an undefined behaviour, gcc is
free to whatever it likes.
Sure, but if you ask gcc to signal a warning, it is supposed to do so.
:-) It is a bug that
Paolo Bonzini wrote:
Ang Way Chuang wrote:
Ang Way Chuang wrote:
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 9:08 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
results in a = 2 then? I think
Ang Way Chuang wrote:
Ang Way Chuang wrote:
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 9:08 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
results in a = 2 then? I think I need to know what i
Ang Way Chuang wrote:
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 9:08 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
results in a = 2 then? I think I need to know what is sequence
point. I'll
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 9:08 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
Thanks for the speedy reply. But why this code:
int a = 17, b = 16;
a = a++ % 16;
results in a = 2 then? I think I need to know what is sequence point. I'll
google that.
As I men
On Tue, Apr 29, 2008 at 9:08 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
> Thanks for the speedy reply. But why this code:
>
> int a = 17, b = 16;
> a = a++ % 16;
>
> results in a = 2 then? I think I need to know what is sequence point. I'll
> google that.
As I mentioned, the c
Andrew Pinski wrote:
On Tue, Apr 29, 2008 at 8:50 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
abc.a = abc.a++ % abc.b;
You are assigning to abc.a twice without a sequence point inbetween so
this code is undefined as the order of evaluation of expressions
without a sequence point is
On Tue, Apr 29, 2008 at 8:50 PM, Ang Way Chuang <[EMAIL PROTECTED]> wrote:
> abc.a = abc.a++ % abc.b;
You are assigning to abc.a twice without a sequence point inbetween so
this code is undefined as the order of evaluation of expressions
without a sequence point is unspecified.
Thanks,
A
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