Re: [PATCH] sched-rgn: run add_branch_dependencies for sel-sched (PR 84301)

2018-04-11 Thread Vladimir Makarov
On 04/11/2018 06:15 AM, Andrey Belevantsev wrote: On 10.04.2018 14:09, Alexander Monakov wrote: Hi, The add_branch_dependencies function is fairly unusual in that it creates dependence edges "out of thin air" for all sorts of instructions preceding BB end. I think that is really unfortunate

Re: [PATCH] sched-rgn: run add_branch_dependencies for sel-sched (PR 84301)

2018-04-11 Thread Andrey Belevantsev
On 10.04.2018 14:09, Alexander Monakov wrote: > Hi, > > The add_branch_dependencies function is fairly unusual in that it creates > dependence edges "out of thin air" for all sorts of instructions preceding > BB end. I think that is really unfortunate (explicit barriers in RTL would > be more