Hi Rohan, I have already worked on cfg data structure, plugin "data flow pass" on cfg. For this purpose, following links would be useful.
http://www.cse.iitb.ac.in/~uday/gcc-workshop/?file=downloads more info can be available at http://www.cse.iitb.ac.in/grc/ - Seema On Thu, Aug 21, 2008 at 6:51 AM, Pranav Bhandarkar <[EMAIL PROTECTED]> wrote: > > Hi, > > I may not have correctly understood your questions but from what I > understand I think you mean to ask how you could easily plug in your > optimization pass into GCC so as to test your implementation of some > optimization. > > Well, the way to do that would be to understand the pass structure and > decide where in the order of passes should your pass be inserted i.e > after which and before which other pass should your optimization pass > fit in. Look at passes.c to see how the order of passes is specified. > > Once you have told the compiler when to execute your pass (primarily > through passes.c) and provided your optimization has been correctly > implemented in the context of GCC you should be good to go. > > HTH, > Pranav > > On Wed, Aug 20, 2008 at 7:45 PM, Rohan Sreeram <[EMAIL PROTECTED]> wrote: > > Hi, > > > > I am a student in Utah State University researching on compilers > > optimization techniques. > > I wanted to know how I could use gcc for experimenting with optimization. > > > > Here is what I intend to do: > > > > 1) Understand the control flow graphs being generated by GCC, which I could > > build using the -fdump-tree-cfg option. > > 2) Write code that could convert CFG to a different graph. > > 3) Use this new graph for optimization. > > 4) Use the optimized graph to generate machine code (say Intel architecture > > for now). > > > > Please let me know how I could leverage the GCC code for this purpose, and > > if you any suggestions/comments for me you are most welcome ! :) > > > > Thanks, > > Rohan > > > > > > > > > >
