Why should code size be 2x larger in SuSE?

Installed SuSE 6.4 Linux PowerPC and first thing, I always write a little trivial code to check performance: #include #include #include #include #define size 1000 int main (void) { int i, j, k; clock_t t1, t2; double value= 0; double *a[size]; printf("Linear Size=%d (%4.2fMbyte):\t", size, (double) size*size*sizeof(double)/1024/1024); for (k=0; k