> It should work if you also pass the -g option. > But I want the high level source with out the -g option. I want to see what the assembly would look like with -O or event -O3. I basically want in the .s file a comment containing the source code line and under it the generated assembly code that corresponds to it. Something like what is possible with VC++ > > The GNU assembler manpages do not indicate that 'as' knows this option. > > Which version are you using? > > The option has been there for a long time, and is documented. Look > for the -a option. > OK, I see it now, was trying to search for the whole string -adhls as is. Thanks. -- Artur Szostak Tel. +27 21 650 3356 Mobile: +27 82 297 9502 Emails: artur@xxxxxxxxxxxxxxxxxxx artursz@xxxxxxxxxxx AIM: artiblot Skype: artiblot Room: 4T6 Address: R.W. James Building, Rondebosch, 7701 Cape Town, South Africa Physics Department University of Cape Town