kern/44903: Error in x86/ieeefp.h

[henning.petersen%t-online.de@localhost]

>Number:         44903
>Category:       kern
>Synopsis:       Error in x86/ieeefp.h
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Apr 24 11:50:00 +0000 2011
>Originator:     Henning Petersen
>Release:        NetBSD-current
>Organization:
>Environment:
>Description:
I thinhk there is one error in ieeefp.h,

FP_RN=FE_TONEAREST      is ---> 0x000
FP_RM=FE_DOWNWARD       is ---> 0x400   
FP_RP=FE_UPWARD         is ---> 0x800
FP_RZ=FE_TOWARDZERO     is ---> 0c000

normal is
FP_RN 0
FP_RM 1
FP_RD 2
FP_RZ 3 .
>How-To-Repeat:

>Fix:
--- sys/arch/x86/include/ieeefp.h       26 Mar 2011 19:52:20 -0000      1.4
+++ sys/arch/x86/include/ieeefp.h       24 Apr 2011 10:27:03 -0000
@@ -20,10 +20,10 @@
 #define FP_X_IMP       FE_INEXACT      /* imprecise (loss of precision) */
 
 typedef enum {
-       FP_RN=FE_TONEAREST,             /* round to nearest representable num */
-       FP_RM=FE_DOWNWARD,              /* round toward negative infinity */
-       FP_RP=FE_UPWARD,                /* round toward positive infinity */
-       FP_RZ=FE_TOWARDZERO             /* round to zero (truncate) */
+       FP_RN = 0,              /* round to nearest representable num */
+       FP_RM,                  /* round toward negative infinity */
+       FP_RP,                  /* round toward positive infinity */
+       FP_RZ                   /* round to zero (truncate) */
 } fp_rnd;
 
 typedef enum {