[Bug c/38096] New: optimization regression

mariah dot lenox at gmail dot com gcc-bugzilla@gcc.gnu.org
Wed Nov 12 21:02:00 GMT 2008


/*
% gcc -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /usr/local/gcc-4.4-20081107/src/gcc-4.4-20081107/configure
--enable-languages=c,c++,fortran,java
--with-gmp=/usr/local/gmp-4.2.3/x86_64-Linux-fc8-core2-gcc-4.3.1
--with-mpfr=/usr/local/mpfr-2.3.2/x86_64-Linux-fc8-gmp-4.2.3-core2-gcc-4.3.1
--prefix=/usr/local/gcc-4.4-20081107/x86_64-Linux-fc
Thread model: posix
gcc version 4.4.0 20081107 (experimental) (GCC)
%
% gcc -O3 -c foo.c  // ICE
% gcc -O2 -c foo.c  // works
*/

#define MAX 6

typedef enum{
        val
} STATE;

struct ENTRY{
        STATE    state;
        unsigned int hndl;
} table[MAX];


int foo() {
  int count;

  for (count = 0;count < MAX;count ++) {
    table[count].state = 0;
    table[count].hndl  = 0;
  }
  return 1;
}


-- 
           Summary: optimization regression
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mariah dot lenox at gmail dot com
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38096



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