[src/trunk]: src/sys/arch/x86/include Remove outdated comment.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/848cde824197
branches:  trunk
changeset: 357219:848cde824197
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue Oct 31 18:30:36 2017 +0000

description:
Remove outdated comment.

diffstat:

 sys/arch/x86/include/cpu_extended_state.h |  8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diffs (22 lines):

diff -r 64252242a6d5 -r 848cde824197 sys/arch/x86/include/cpu_extended_state.h
--- a/sys/arch/x86/include/cpu_extended_state.h Tue Oct 31 18:23:29 2017 +0000
+++ b/sys/arch/x86/include/cpu_extended_state.h Tue Oct 31 18:30:36 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu_extended_state.h,v 1.13 2017/10/31 12:02:20 maxv Exp $     */
+/*     $NetBSD: cpu_extended_state.h,v 1.14 2017/10/31 18:30:36 maxv Exp $     */
 
 #ifndef _X86_CPU_EXTENDED_STATE_H_
 #define _X86_CPU_EXTENDED_STATE_H_
@@ -203,12 +203,6 @@
  * and then again when it is truncated to 53 bits.
  *
  * However the C language explicitly allows the extra precision.
- *
- * The iBCS control word has underflow, overflow, zero divide, and invalid
- * operation exceptions unmasked.  But that causes an unexpected exception
- * in the test program 'paranoia' and makes denormals useless (DBL_MIN / 2
- * underflows).  It doesn't make a lot of sense to trap underflow without
- * trapping denormals.
  */
 #define        __INITIAL_NPXCW__       0x037f
 /* Modern NetBSD uses the default control word.. */