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Re: [PATCH] arch/sparc: Avoid DCTI Couples

From David Miller <davem@davemloft.net>
Newsgroups linux.kernel
Subject Re: [PATCH] arch/sparc: Avoid DCTI Couples
Date 2017-03-11 00:40 +0100
Message-ID <tjCiB-2B7-5@gated-at.bofh.it> (permalink)
References <tjBwd-1Z5-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Babu Moger <babu.moger@oracle.com>
Date: Fri, 10 Mar 2017 15:47:03 -0700

> Avoid un-intended DCTI Couples. Use of DCTI couples is deprecated.
> Refer UltraSPARC Architecture 2005(Section 6.3.4.7 - DCTI Couples).
> http://www.oracle.com/technetwork/systems/opensparc/1537734

An annulled branch-always has no delay slot.

These code sequences are intentional to keep code size down.

I'm not applying this.

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[PATCH] arch/sparc: Avoid DCTI Couples Babu Moger <babu.moger@oracle.com> - 2017-03-10 23:50 +0100
  Re: [PATCH] arch/sparc: Avoid DCTI Couples David Miller <davem@davemloft.net> - 2017-03-11 00:40 +0100

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