On Thu, Jan 30, 2003 at 03:11:19PM -0800, Long Li wrote: > Why the gcc-3.0.4 did the weird stuff? Do I have to > use at least level 1 to make the register declared > work for it? Most modern C compilers simply ignore the register specifier because in practice it would result in worse code and as for code quality the result of -O0 are not of interest anyway. Linux code must be optmized at least -O1 or it probably won't build or work properly. Ralf
