Christophe Jaillet <[EMAIL PROTECTED]> wrote: > I think that the structure 'struct loop_info' in loop.c could be > shrinked a bit if all the 'int has_XXX' fields where turned into a > bitfield just as in 'struct iv_class' or 'struct induction' in the > same file. > > I don't know if it worse it (in term of memory usage reduction) > neither the impact in performance. > > If anyone interested, I can try it and do a bootstrap but I don't > have the tools to perform benchmark (memory usage or speed of the > compiler)
loop.c is a dead man walking. It'll be probably removal in GCC 4.2, so I wouldn't waste my time on it. If you want to improve RTL loop optimizers, look into the new RTL loop optimizer (loop-*.c). Giovanni Bajo
