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Re: [PATCH] LRA: Fix caller-save store/restore instruction for large mode
- From: "Bin.Cheng" <amker dot cheng at gmail dot com>
- To: Kito Cheng <kito dot cheng at gmail dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Vladimir Makarov <vmakarov at redhat dot com>, Bin Cheng <bin dot cheng at arm dot com>
- Date: Mon, 5 Jan 2015 16:13:09 +0800
- Subject: Re: [PATCH] LRA: Fix caller-save store/restore instruction for large mode
- Authentication-results: sourceware.org; auth=none
- References: <CA+yXCZCO=aabNSt-gJuj==bH7i9dNPr6-T+oz4jkvwdJAdfpfA at mail dot gmail dot com>
On Mon, Jan 5, 2015 at 3:44 PM, Kito Cheng <kito.cheng@gmail.com> wrote:
> Hi Vladimir:
> This patch has a discusses with you in May 2014, this patch is about
> the caller-save register store and restore instruction generation, the
> current LRA implementation will miss caller-save store/restore
> instruction if need one more instruction.
>
> You said you will investigate for this on IRC, so I don't send the
> patch last year, however ARM guys seem got this problem too, so I
> think it's time to send this patch :)
>
> ChangeLog
>
> 2015-01-05 Kito Cheng <kito@0xlab.org>
>
> * lra-constraints.c (split_reg): Fix caller-save store/restore
> instruction generation.
Hi,
Thanks for saving my work, I was going to send this exact patch.
Note that we have PR64348 tracking the issue now.
Thanks,
bin