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Re: [Patch, rtl] PR middle-end/78016, keep REG_NOTE order during insn copy
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Bernd Schmidt <bschmidt at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Jiong Wang <jiong dot wang at foss dot arm dot com>
- Date: Thu, 03 Nov 2016 15:00:19 +0100
- Subject: Re: [Patch, rtl] PR middle-end/78016, keep REG_NOTE order during insn copy
- Authentication-results: sourceware.org; auth=none
- References: <1f9dd2ba-6a92-3afc-a6fb-d4be914ab239@foss.arm.com> <184815310.0vHTQ9qhu3@polaris> <b1945366-00df-0cd4-3b64-361ca19b0413@redhat.com>
> FWIW here's a more complete version of my patch which I'm currently
> testing. Let me know if you think it's at least a good enough
> intermediate step to be installed.
It is, thanks.
> I think, the sel-sched example notwithstanding, this is something that
> normally should not be needed outside of emit_copy_of_insn_after, so having
> that do the right thing ought to be good enough.
reload does direct note copying too (in forward order).
--
Eric Botcazou