From: Takashi Ohmasa <ohmasa.takashi@com.rmk.(none)>
Date: Mon, 23 Oct 2006 07:30:35 +0000 (+0100)
Subject: [ARM] 3899/1: Fix the normalization of the denormal double precision number.
X-Git-Tag: v2.6.19-rc4~23^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e816d71a50a714b532e3965364f3f53c23a53d42;p=linux-2.6

[ARM] 3899/1: Fix the normalization of the denormal double precision number.

The significand should be shifted until the value of bit [62] is 1
to normalize the denormal double number.

Signed-off-by: Takashi Ohmasa <ohmasa.takashi@jp.panasonic.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 4fc05ee0a2..e44b9ed0f8 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -56,7 +56,7 @@ static void vfp_double_normalise_denormal(struct vfp_double *vd)
 {
 	int bits = 31 - fls(vd->significand >> 32);
 	if (bits == 31)
-		bits = 62 - fls(vd->significand);
+		bits = 63 - fls(vd->significand);
 
 	vfp_double_dump("normalise_denormal: in", vd);