oh! yes! I forgot this...
no optimization option was set when I called cc, it's my fault :)


2007/9/11, Joerg Schilling <[EMAIL PROTECTED]>:
>
> "???? TaoJie" <[EMAIL PROTECTED]> wrote:
>
> > there's no sun studio mailling list in opensolaris.org, i raise my
> problem
> > here :)
> >
> > a simple piece of code, 2 nested while loops, and some if statements
> inside
> > each while loop.
> >
> > i compiled this program in Solaris with sun cc (sun studio 12)  and gcc.
> > and i compiled it in Debian with gcc as well.
> >
> > Then I dumped (disassembled) these 3 programs.
> > I found that there were alway serveral nop instructions followed with
> the
> > jmp instruction in the program generated by suncc.
> > and this problem didn't exist in the other 2 program generated by gcc.
>
> This is how unoptimized sparc code looks since at least 21 years.
>
> Jörg
>
> --
> EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353
> Berlin
>       [EMAIL PROTECTED]                (uni)
>       [EMAIL PROTECTED]     (work) Blog:
> http://schily.blogspot.com/
> URL:  http://cdrecord.berlios.de/old/private/
> ftp://ftp.berlios.de/pub/schily
>
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