From fa9b98fdab5b57ecb4dd3d6c2489e262af458c44 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Sun, 13 Nov 2005 11:17:33 +1100
Subject: [PATCH] [CRYPTO] sha1: Avoid shifting count left and right

This patch avoids shifting the count left and right needlessly for each
call to sha1_update().  It instead can be done only once at the end in
sha1_final().

Keeping the previous test example (sha1_update() successively called with
len=64), a 1.3% performance increase can be observed on i386, or 0.2% on
ARM.  The generated code is also smaller on ARM.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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