On 6 September 2011 20:50, Jeff Law <l...@redhat.com> wrote: > > On 09/06/11 08:46, Mohamed Shafi wrote: >> Hi, >> >> I am doing a private port in GCC 4.5.1. For the my target i see some >> strange behavior in delay slot scheduling. For my target the >> instruction in the delay slots gets executed irrespective of whether >> the branch is taken or not. I have generated the following code >> after commenting out the call to 'relax_delay_slots' in the function >> 'dbr_schedule'. > [ ... ] > It looks like you have found a bug. While reorg.c is supposed to work > with targets that have multiple delay slots, it's not something that has > been extensively tested. > >>> >> I think REGOUT dependency of g1 between instructions 38 and 43 in >> the delay slot is not being considered by 'try_merge_delay_insns'. > You're probably correct. > > Jeff
How do raise a bug report, mine being a private target? Regards, Shafi
