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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