Trashbucket <Trashbucket@xxxxxx> writes: > I am trying to dump the debug info of gcc/tree-ssa-pre.c but did not > succeed. (using gcc 4.4.3) > I tried -ftree-pre with -fdump-tree-all or -fdump-tree-pre[-all] and > many more and searched for strings that should have been in one of the > generated files. > > It seems that none of the optimizations are dumped: > some files > file.c.98.release-ssa > file.c.129.optimized > some more files > > Creation of a dump file depends on the dump_file variable. > How can I dump the debug info of optimizations? It should work to use -fdump-tree-pre-details -O2. You need the -O2 to ensure that the optimization is enabled--merely adding the -fdump option won't enable the option, and neither will merely adding -ftree-pre. Ian
