Hi, all,
Is there anyone familiar with the check routine check_ext_dependent_givs defined loop.c, and give me an example explaining why it is needed.
You should not look at loop.c to modify it, because it will hopefully disappear before 4.1.
But basically, that function looks for code like this
short i;
long j;
for (i = 30; i != 10; i++)
j = (long) i;
...which you cannot transform into
short i;
long j;
for (i = 30, j = 30; i != 10; i++, j++)
...The bulk of the check is in biv_fits_mode_p.
Paolo
