HELP??? parsing loops in gcc...

lsheng@cs.bu.edu (le-ju sheng)
Mon, 19 Jul 1993 15:24:45 GMT

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HELP??? parsing loops in gcc... lsheng@cs.bu.edu (1993-07-19)
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Newsgroups: comp.compilers,gnu.gcc.help
From: lsheng@cs.bu.edu (le-ju sheng)
Keywords: GCC, optimize, question, comment
Organization: Computer Science Department, Boston University, Boston, MA, USA
Date: Mon, 19 Jul 1993 15:24:45 GMT

Whoever can give me some idea...


I'm trying to write a loop dependence checker in GNU compiler.


first of all, I have to parse a,b,c,d constants from the arrays in loops,
eg.,


            :
        for(i=1; i< 100; i++)
        {
              A[2*i] = A[2*i-1]; /* a=2, b=0, c=2, d=-1 */
                  :
                  :
        }
              :
              :


I'm not familiar with the gcc compiler. If anyone can tell me
'where-which file' in gcc was concerned about the loop arrays that I
can modify to include a dependent function, it'd be very appreciated.


-miranda
[Does GCC do any loop analysis at all? -John]
--

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