On Nov 7, 2007 11:55 AM, ldeveloperxl <lgeneral_usel@xxxxxxxxx> wrote: > I wonder if anybody knows if gcc or any other tools that is able to take a c > program/source code (or any other high level languages), perform CSE on the > program, then outputs the optimized program/source code? GCC does CSE in several passes. During high-level optimization, it does local cse using dominator-based optimization, then it does a global full and partial redundancy elimination. At the low-level it performs two CSE passes as well. You can request dumps from each of these passes with -fdump-tree-dom -fdump-tree-fre -fdump-tree-pre -fdump-rtl-cse -fdump-rtl-gcse. The first three will show you the code in a C-like form (GIMPLE), the last two will show you a lisp-like representation of RTL (the low-level IL used by gcc). Diego.
