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Add inclusion protection.

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Convert to ieee_ext to use uint64_t
Format uses implicit NBIT
This commit is contained in:
matt 2014-01-31 12:40:37 +00:00
parent 9b9fc687ef
commit a755a7b9d6
1 changed files with 19 additions and 21 deletions
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38
sys/arch/hppa/include/ieee.h
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@ -1,4 +1,4 @@
/* $NetBSD: ieee.h,v 1.12 2011/07/10 04:49:37 matt Exp $ */
/* $NetBSD: ieee.h,v 1.13 2014/01/31 12:40:37 matt Exp $ */
/* $OpenBSD: ieee.h,v 1.1 1999/04/20 19:44:04 mickey Exp $ */
@ -42,6 +42,9 @@
* @(#)ieee.h 8.1 (Berkeley) 6/11/93
*/
#ifndef _HPPA_IEEE_H_
#define _HPPA_IEEE_H_
/*
* ieee.h defines the machine-dependent layout of the machine's IEEE
* floating point. It does *not* define (yet?) any of the rounding
@ -52,26 +55,22 @@
#ifdef _LP64
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 16
#define EXT_FRACHMBITS 32
#define EXT_FRACLMBITS 32
#define EXT_FRACLBITS 32
#define EXT_FRACBITS (EXT_FRACLBITS + EXT_FRACLMBITS + EXT_FRACHMBITS + EXT_FRACHBITS)
#define EXT_FRACHBITS 48
#define EXT_FRACLBITS 64
#define EXT_FRACBITS (EXT_FRACLBITS + EXT_FRACHBITS)
#define EXT_TO_ARRAY32(u, a) do { \
(a)[0] = (uint32_t)(u).extu_ext.ext_fracl; \
(a)[1] = (uint32_t)(u).extu_ext.ext_fraclm; \
(a)[2] = (uint32_t)(u).extu_ext.ext_frachm; \
(a)[3] = (uint32_t)(u).extu_ext.ext_frach; \
(a)[0] = (uint32_t)((u).extu_ext.ext_fracl >> 0); \
(a)[1] = (uint32_t)((u).extu_ext.ext_fracl >> 32); \
(a)[2] = (uint32_t)((u).extu_ext.ext_frach >> 0); \
(a)[3] = (uint32_t)((u).extu_ext.ext_frach >> 32); \
} while(/*CONSTCOND*/0)
struct ieee_ext {
u_int ext_sign:1;
u_int ext_exp:EXT_EXPBITS;
u_int ext_frach:EXT_FRACHBITS;
u_int ext_frachm;
u_int ext_fraclm;
u_int ext_fracl;
uint64_t ext_sign:1;
uint64_t ext_exp:EXT_EXPBITS;
uint64_t ext_frach:EXT_FRACHBITS;
uint64_t ext_fracl;
};
/*
@ -109,11 +108,10 @@ union ieee_ext_u {
#define extu_exp extu_ext.ext_exp
#define extu_sign extu_ext.ext_sign
#define extu_fracl extu_ext.ext_fracl
#define extu_fraclm extu_ext.ext_fraclm
#define extu_frachm extu_ext.ext_frachm
#define extu_frach extu_ext.ext_frach
#define LDBL_NBIT 0x80000000
#define mask_nbit_l(u) ((u).extu_frach &= ~LDBL_NBIT)
#define LDBL_IMPLICIT_NBIT 1 /* our NBIT is implicit */
#endif /* _LP64 */
#endif /* !_HPPA_IEEE_H_ */