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authorDaniel Jacobowitz <drow@false.org>2006-08-27 13:42:14 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-08-27 13:42:14 +0200
commitb53a2b41f156a9c9b62c14502037cbc15bc08b54 (patch)
tree7813d3dfbbb9fe97a8a093c837d7ee5a6746c4ae /arch/arm/vfp/vfpdouble.c
parent[ARM] 3749/3: Correct VFP single/double conversion emulation (diff)
downloadlinux-b53a2b41f156a9c9b62c14502037cbc15bc08b54.tar.xz
linux-b53a2b41f156a9c9b62c14502037cbc15bc08b54.zip
[ARM] 3758/1: Preserve signalling NaNs in conversion
Patch from Daniel Jacobowitz The fcvtds and fcvtsd instructions were generating a qnan bit pattern for both quiet and signalling NaNs. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/vfp/vfpdouble.c')
-rw-r--r--arch/arm/vfp/vfpdouble.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 021581680e94..04bd3425b29b 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -465,7 +465,7 @@ static u32 vfp_double_fcvts(int sd, int unused, int dm, u32 fpscr)
*/
if (tm & (VFP_INFINITY|VFP_NAN)) {
vsd.exponent = 255;
- if (tm & VFP_NAN)
+ if (tm == VFP_QNAN)
vsd.significand |= VFP_SINGLE_SIGNIFICAND_QNAN;
goto pack_nan;
} else if (tm & VFP_ZERO)