-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ankit Mahanot wrote: > @Ian Lance Taylor - I dont want to shuffle through passes. Instead > I want to add an algo that uses these passes. > > GREP is fine. I thought there may be some other easier & > user-friendly way :( Actually I wanted to know how control is going > to passes.c via which FILES not FUNCTION CALLS. I'll give csope a > try anyways. > > @John Jensen - Ian is right about -ftime-report. Actually I am an > ameteur so I used the wrong word PROFILING. I needed the time an > optimization pass is taking. So I think ftime-report should work. > > Question remaining is : Q - Where do I find implementations of O1 > O2 O3 ?? In which file ?? I looked into gcc/gcc/c-opts.c. I could > find most of the options except O1 O2 etc :( If I can understand > how O1 O2 etc is implemented, then may be I can implement my algo > in a similar way. > - From what i know the -On, flag is an alias to a set of optimizations: https://www.redhatrenewals.com/docs/manuals/enterprise/RHEL-3-Manual/gcc/optimize-options.html https://www.redhatrenewals.com/docs/manuals/enterprise/RHEL-3-Manual/gcc/invoking-gcc.html They are useful links, and i think most optimizations passes are files like tree-*.c. I don't know enough of the middle end at the moment in specifics but taking some digging around in toplev.c helps. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkqp/LAACgkQAhcOgIaQQ2GaFgCfZCbH+qzKSCwbr3HekNqybLQg MG0AnR+wX+5LiOsL5hMBLSWJqFSQgpvy =F5Pp -----END PGP SIGNATURE-----
