On Wed, Sep 5, 2012 at 10:40 PM, Steven Bosscher <stevenb....@gmail.com> wrote: > Hi, > > bitmap.c:bitmap_last_set_bit() is not used by any code in the current > GCC trunk, but I'm using it and I noticed it returns an incorrect > result. This patch rewrites most of the function to return the correct > result. > > Not sure how to test this other than to say that my code, that uses > this function, works with the patch and breaks without it. I've also > unleashed bitmap_last_set_bit (and bitmap_first_set_bit) on a large > number of randomly generated bitmaps and rather expensive verification > code that doesn't accept the results of the pre-patch > bitmap_last_set_bit and is happy with my new implementation. > > OK for trunk?
Ok. Thanks, Richard. > Ciao! > Steven > > * bitmap.c (bitmap_last_set_bit): Rewrite to return the correct bit.