[Bug c++/30567] -fPIC -O3 optimizer bug (32-bit target only)

hjl at lucon dot org gcc-bugzilla@gcc.gnu.org
Wed Apr 18 20:47:00 GMT 2007



------- Comment #19 from hjl at lucon dot org  2007-04-18 21:47 -------
For

for(unsigned i=0;i<1;i++) result += a.begin[i];

x.ii.004t.gimple looks like

  const int * D.2454;
  long unsigned int D.2455;
  long unsigned int D.2456;
  const int * D.2457;
  const int * D.2458;
    D.2455 = (long unsigned int) i;
    D.2456 = D.2455 * 4;
    D.2457 = (const int *) D.2456;
    D.2458 = D.2454 + D.2457;

Why array index is a pointer?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30567



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