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Re: Optimize lto location stremaing
- From: Andi Kleen <andi at firstfloor dot org>
- To: Jan Hubicka <hubicka at ucw dot cz>
- Cc: Andi Kleen <andi at firstfloor dot org>, gcc-patches at gcc dot gnu dot org, rguenther at suse dot de, manu at gcc dot gnu dot org
- Date: Sun, 29 Mar 2015 20:12:52 +0200
- Subject: Re: Optimize lto location stremaing
- Authentication-results: sourceware.org; auth=none
- References: <20150325225448 dot GC85969 at kam dot mff dot cuni dot cz> <87h9t8v2yk dot fsf at tassilo dot jf dot intel dot com> <20150326054446 dot GE8802 at atrey dot karlin dot mff dot cuni dot cz> <20150328231911 dot GC2366 at two dot firstfloor dot org> <20150329012816 dot GA35986 at kam dot mff dot cuni dot cz>
> Unfortunately the proper fix did not make it to the mainlie (it probably will
> next stage1). Building kernel is however important. Can you please fill it in
> and mark it as a regression? I think I will implement a hack and track everything
> that refers user named labels and force it to partition 0. Ugly but probably
> best we can do at the moment.
>
> It would help to track it as a regression.
Sorry, actually I don't think it's a regression. The kernel moved
the BPF interpreter to a new file, so my old workaround (disabling LTO
for the file) broke. But it has been broken in gcc for quite some
time (and if it wasn't it probably was just by partitioning accident)
Would be still good to fix it though, if not too intrusive.
-Andi