linux-kernel - Re: [PATCH 5/9][v5] powerpc: implement is_instr_load

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Message-ID: <524DCAE6.5090601@gmail.com>
Date:	Thu, 03 Oct 2013 14:52:06 -0500
From:	Tom Musta <tommusta@...il.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
CC:	Michael Ellerman <michael@...erman.id.au>,
	Michael Ellerman <michaele@....ibm.com>,
	linux-kernel@...r.kernel.org,
	Stephane Eranian <eranian@...gle.com>, linuxppc-dev@...abs.org,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Subject: Re: [PATCH 5/9][v5] powerpc: implement is_instr_load_store().

On 10/3/2013 2:03 PM, Sukadev Bhattiprolu wrote:
> Michael Ellerman [michael@...erman.id.au] wrote:
<snip>
> |
> |         if (lower == 6)
> |             if (upper <= 1)
> |                 return true;
> |             return false;
> v
Note that this case covers the lvsl/lvsr instructions, which, despite their
names are not actually loads.  So you could eliminate this check and do
just a little bit better.
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