lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ARM] 3471/1: FTOSI functions should return 0 for NaN

Browse Source 
Patch from Catalin Marinas

The NaN case was dealed with by the "exponent >= ... + 32" condition but it
was not setting the value "d" to 0.

Signed-off-by: Ken'ichi Kuromusha <musha@aplix.co.jp>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas
2006-04-10 21:32:39 +01:00
committed by Russell King
parent adeff42236
commit 1320a80d1d
2 changed files with 13 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
arch/arm/vfp/vfpsingle.c
View File

@ -632,6 +632,7 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr)
struct vfp_single vsm;
u32 d, exceptions = 0;
int rmode = fpscr & FPSCR_RMODE_MASK;
int tm;
vfp_single_unpack(&vsm, m);
vfp_single_dump("VSM", &vsm);
@ -639,10 +640,14 @@ static u32 vfp_single_ftosi(int sd, int unused, s32 m, u32 fpscr)
/*
* Do we have a denormalised number?
*/
tm = vfp_single_type(&vsm);
if (vfp_single_type(&vsm) & VFP_DENORMAL)
exceptions |= FPSCR_IDC;
if (vsm.exponent >= 127 + 32) {
if (tm & VFP_NAN) {
d = 0;
exceptions |= FPSCR_IOC;
} else if (vsm.exponent >= 127 + 32) {
/*
* m >= 2^31-2^7: invalid
*/