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From: Vaneet Narang <v.narang@samsung.com>
To: Maninder Singh <maninder1.s@samsung.com>,
	"terrelln@fb.com" <terrelln@fb.com>,
	"herbert@gondor.apana.org.au" <herbert@gondor.apana.org.au>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"keescook@chromium.org" <keescook@chromium.org>,
	"gustavo@embeddedor.com" <gustavo@embeddedor.com>
Cc: "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	AMIT SAHRAWAT <a.sahrawat@samsung.com>,
	PANKAJ MISHRA <pankaj.m@samsung.com>,
	Vaneet Narang <v.narang@samsung.com>
Subject: RE: [PATCH 2/2] zstd: use U16 data type for rankPos
Date: Thu, 30 May 2019 14:46:28 +0530	[thread overview]
Message-ID: <20190530091628epcms5p2ea7c6837c3ab3963815585d8b16c7838@epcms5p2> (raw)
In-Reply-To: <1557468839-3388-1-git-send-email-maninder1.s@samsung.com>

[Reminder] Any Comments?

>rankPos structure variables value can not be more than 512.
>So it can easily be declared as U16 rather than U32.
 
>It will reduce stack usage of HUF_sort from 256 bytes to 128 bytes
 
>original:
>e24ddc01        sub     sp, sp, #256    ; 0x100
 
>changed:
>e24dd080        sub     sp, sp, #128    ; 0x80
 
Regards,
Vaneet Narang


  parent reply	other threads:[~2019-05-30  9:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20190510061418epcas5p3679447cedd01f3ec70139f79ac7bcca1@epcas5p3.samsung.com>
2019-05-10  6:13 ` Maninder Singh
     [not found]   ` <CGME20190510061418epcas5p3679447cedd01f3ec70139f79ac7bcca1@epcms5p2>
2019-05-30  9:16     ` Vaneet Narang [this message]
2019-06-06 20:09   ` Nick Terrell

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