diff options
| author | Marcel Moolenaar <marcel@FreeBSD.org> | 2008-12-23 22:20:59 +0000 |
|---|---|---|
| committer | Marcel Moolenaar <marcel@FreeBSD.org> | 2008-12-23 22:20:59 +0000 |
| commit | 74aed9855d18f91a1a2b22bd649f278bc4634acc (patch) | |
| tree | e53e0cc50653c1177127b792f2618edc51c491fd | |
| parent | 4769218f4b25ece6809dc400637d2c3dcc04d313 (diff) | |
Notes
| -rw-r--r-- | lib/libc/arm/_fpmath.h | 15 | ||||
| -rw-r--r-- | lib/libc/arm/arith.h | 2 | ||||
| -rw-r--r-- | lib/libc/include/fpmath.h | 9 | ||||
| -rw-r--r-- | lib/msun/src/math_private.h | 14 | ||||
| -rw-r--r-- | sys/arm/include/ieee.h | 11 |
5 files changed, 46 insertions, 5 deletions
diff --git a/lib/libc/arm/_fpmath.h b/lib/libc/arm/_fpmath.h index 98d78327dec6..b0ce8f4965f6 100644 --- a/lib/libc/arm/_fpmath.h +++ b/lib/libc/arm/_fpmath.h @@ -26,15 +26,26 @@ * $FreeBSD$ */ +#if defined(__VFP_FP__) +#define _IEEE_WORD_ORDER _BYTE_ORDER +#else +#define _IEEE_WORD_ORDER _BIG_ENDIAN +#endif + union IEEEl2bits { long double e; struct { -#ifndef __ARMEB__ +#if _BYTE_ORDER == _LITTLE_ENDIAN +#if _IEEE_WORD_ORDER == _LITTLE_ENDIAN unsigned int manl :32; +#endif unsigned int manh :20; unsigned int exp :11; unsigned int sign :1; -#else +#if _IEEE_WORD_ORDER == _BIG_ENDIAN + unsigned int manl :32; +#endif +#else /* _BYTE_ORDER == _LITTLE_ENDIAN */ unsigned int sign :1; unsigned int exp :11; unsigned int manh :20; diff --git a/lib/libc/arm/arith.h b/lib/libc/arm/arith.h index e6f1da00a4cb..be78d862756d 100644 --- a/lib/libc/arm/arith.h +++ b/lib/libc/arm/arith.h @@ -11,7 +11,7 @@ * architecture. See contrib/gdtoa/gdtoaimp.h for details. */ -#ifndef __ARMEB__ +#if !defined(__ARMEB__) && defined(__VFP_FP__) #define IEEE_8087 #define Arith_Kind_ASL 1 #define Sudden_Underflow diff --git a/lib/libc/include/fpmath.h b/lib/libc/include/fpmath.h index d33cfdc14817..697d5828bfc5 100644 --- a/lib/libc/include/fpmath.h +++ b/lib/libc/include/fpmath.h @@ -30,6 +30,10 @@ #include <sys/endian.h> #include "_fpmath.h" +#ifndef _IEEE_WORD_ORDER +#define _IEEE_WORD_ORDER _BYTE_ORDER +#endif + union IEEEf2bits { float f; struct { @@ -52,10 +56,15 @@ union IEEEd2bits { double d; struct { #if _BYTE_ORDER == _LITTLE_ENDIAN +#if _IEEE_WORD_ORDER == _LITTLE_ENDIAN unsigned int manl :32; +#endif unsigned int manh :20; unsigned int exp :11; unsigned int sign :1; +#if _IEEE_WORD_ORDER == _BIG_ENDIAN + unsigned int manl :32; +#endif #else /* _BIG_ENDIAN */ unsigned int sign :1; unsigned int exp :11; diff --git a/lib/msun/src/math_private.h b/lib/msun/src/math_private.h index 1d3b7a17c118..46d65cce247d 100644 --- a/lib/msun/src/math_private.h +++ b/lib/msun/src/math_private.h @@ -38,7 +38,17 @@ * ints. */ -#if BYTE_ORDER == BIG_ENDIAN +#ifdef __arm__ +#if defined(__VFP_FP__) +#define IEEE_WORD_ORDER BYTE_ORDER +#else +#define IEEE_WORD_ORDER BIG_ENDIAN +#endif +#else /* __arm__ */ +#define IEEE_WORD_ORDER BYTE_ORDER +#endif + +#if IEEE_WORD_ORDER == BIG_ENDIAN typedef union { @@ -52,7 +62,7 @@ typedef union #endif -#if BYTE_ORDER == LITTLE_ENDIAN +#if IEEE_WORD_ORDER == LITTLE_ENDIAN typedef union { diff --git a/sys/arm/include/ieee.h b/sys/arm/include/ieee.h index a7411dd2332a..059d0dc30705 100644 --- a/sys/arm/include/ieee.h +++ b/sys/arm/include/ieee.h @@ -91,6 +91,12 @@ #define DBL_EXPBITS 11 #define DBL_FRACBITS 52 +#if defined(__VFP_FP__) +#define _IEEE_WORD_ORDER _BYTE_ORDER +#else +#define _IEEE_WORD_ORDER _BIG_ENDIAN +#endif + struct ieee_single { #if _BYTE_ORDER == _BIG_ENDIAN u_int sng_sign:1; @@ -110,10 +116,15 @@ struct ieee_double { u_int dbl_frach:20; u_int dbl_fracl; #else +#if _IEEE_WORD_ORDER == _LITTLE_ENDIAN u_int dbl_fracl; +#endif u_int dbl_frach:20; u_int dbl_exp:11; u_int dbl_sign:1; +#if _IEEE_WORD_ORDER == _BIG_ENDIAN + u_int dbl_fracl; +#endif #endif }; |