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Re: [PATCH 1/4] regcprop: Avoid REG_CFA_REGISTER notes (PR85645)
- From: Jeff Law <law at redhat dot com>
- To: Segher Boessenkool <segher at kernel dot crashing dot org>, Eric Botcazou <ebotcazou at adacore dot com>
- Cc: gcc-patches at gcc dot gnu dot org, dje dot gcc at gmail dot com
- Date: Mon, 25 Jun 2018 15:34:26 -0600
- Subject: Re: [PATCH 1/4] regcprop: Avoid REG_CFA_REGISTER notes (PR85645)
- References: <cover.1525775371.git.segher@kernel.crashing.org> <c55875d4084b4a532fae5fd540af7afb7b205cec.1525775371.git.segher@kernel.crashing.org> <4094039.Pa7Ju2vBSx@polaris> <20180625115343.GI16221@gate.crashing.org>
On 06/25/2018 05:53 AM, Segher Boessenkool wrote:
> Hi Eric,
>
> On Wed, May 09, 2018 at 09:22:47AM +0200, Eric Botcazou wrote:
>>> 2018-05-08 Segher Boessenkool <segher@kernel.crashing.org>
>>>
>>> PR rtl-optimization/85645
>>> * regcprop.c (copyprop_hardreg_forward_1): Don't propagate into an
>>> insn that has a REG_CFA_REGISTER note.
>>
>> OK, thanks.
>
> Are these patches okay for backport to 8? At least the first two.
Yes.
jeff