Source-Changes-HG archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

[src/trunk]: src/sys/arch/arm/include G/c the 128-bit extended-precision form...



details:   https://anonhg.NetBSD.org/src/rev/a436970e3f5a
branches:  trunk
changeset: 554130:a436970e3f5a
user:      kleink <kleink%NetBSD.org@localhost>
date:      Sat Oct 25 18:19:10 2003 +0000

description:
G/c the 128-bit extended-precision format, which is not applicable to
this platform.  Name the 80-bit version the extended format, which it
is for the FPA case according to the ARM7500FE manual.

diffstat:

 sys/arch/arm/include/ieee.h |  25 +++++--------------------
 1 files changed, 5 insertions(+), 20 deletions(-)

diffs (70 lines):

diff -r ff54d401031b -r a436970e3f5a sys/arch/arm/include/ieee.h
--- a/sys/arch/arm/include/ieee.h       Sat Oct 25 18:14:48 2003 +0000
+++ b/sys/arch/arm/include/ieee.h       Sat Oct 25 18:19:10 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ieee.h,v 1.3 2003/08/07 16:26:53 agc Exp $     */
+/*     $NetBSD: ieee.h,v 1.4 2003/10/25 18:19:10 kleink Exp $  */
 
 /*
  * Copyright (c) 1992, 1993
@@ -90,11 +90,8 @@
 #define        DBL_FRACBITS    52
 
 #ifndef __VFP_FP__
-#define        E80_EXPBITS     15
-#define        E80_FRACBITS    64
-
 #define        EXT_EXPBITS     15
-#define        EXT_FRACBITS    112
+#define        EXT_FRACBITS    64
 #endif
 
 struct ieee_single {
@@ -125,21 +122,12 @@
        u_int   dbl_fracl;
 };
 
-struct ieee_e80 {
-       u_int   e80_exp:15;
-       u_int   e80_zero:16;
-       u_int   e80_sign:1;
-       u_int   e80_frach:31;
-       u_int   e80_j:1;
-       u_int   e80_fracl;
-};
-
 struct ieee_ext {
-       u_int   ext_frach:16;
        u_int   ext_exp:15;
+       u_int   ext_zero:16;
        u_int   ext_sign:1;
-       u_int   ext_frachm;
-       u_int   ext_fraclm;
+       u_int   ext_frach:31;
+       u_int   ext_j:1;
        u_int   ext_fracl;
 };
 #endif /* !__VFP_FP__ */
@@ -156,7 +144,6 @@
 #define        SNG_EXP_INFNAN  255
 #define        DBL_EXP_INFNAN  2047
 #ifndef __VFP_FP__
-#define        E80_EXP_INFNAN  32767
 #define        EXT_EXP_INFNAN  32767
 #endif /* !__VFP_FP__ */
 
@@ -164,7 +151,6 @@
 #define        SNG_QUIETNAN    (1 << 22)
 #define        DBL_QUIETNAN    (1 << 19)
 #ifndef __VFP_FP__
-#define        E80_QUIETNAN    (1 << 15)
 #define        EXT_QUIETNAN    (1 << 15)
 #endif /* !__VFP_FP__ */
 #endif
@@ -175,6 +161,5 @@
 #define        SNG_EXP_BIAS    127
 #define        DBL_EXP_BIAS    1023
 #ifndef __VFP_FP__
-#define        E80_EXP_BIAS    16383
 #define        EXT_EXP_BIAS    16383
 #endif /* !__VFP_FP__ */



Home | Main Index | Thread Index | Old Index