ranjith kumar <ranjit_kumar_b4u@xxxxxxxxxxx> writes: > 1) I think these are the passes of gcc. > source->generic->gimple->SSA->rtl->assembly. > Am I right? Pretty much. SSA is not really distinct from GIMPLE. > 2)http://www.ugcs.caltech.edu/manuals/lang/gcc-3.2.2-internals/gccint_30.html#SEC30 > This link tells about some of passes and some of > optimizations done in each passes. > > Where can I get more information? You can read the current version of that manual: http://gcc.gnu.org/onlinedocs/gccint/ There is also information at http://gcc.gnu.org/wiki/. Ian