------- Comment #29 from rakdver at kam dot mff dot cuni dot cz 2007-11-26 01:42 ------- Subject: Re: [4.3 Regression] Code size regression caused by fix to PR 31360
> ------- Comment #28 from pinskia at gcc dot gnu dot org 2007-11-26 01:24 > ------- > A couple of comments about the patch. > + #define CP_AUTOINC_OFFSET(CP) ((int) (size_t) (CP)->value) > > I don't like this idea at all. I may change cost_pair to union, if this bothers you too much. > The patch should support pre increment also (this shows up on PPC) and > pre/post > decrement. post-decrement is already supported. Pre-(inc/dec)rements are more complicated, as supporting them would require us to create induction variables incremented at the start of the loop body (instead of at the end, as we do now). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31849
