Date: Mon, 21 Jul 2003 18:50:05 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 34804 for review Message-ID: <200307220150.h6M1o5sp026924@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=34804 Change 34804 by peter@peter_hammer on 2003/07/21 18:50:02 Stand C++ up in front of the firing squad please. Affected files ... .. //depot/projects/hammer/sys/amd64/include/ieeefp.h#5 edit Differences ... ==== //depot/projects/hammer/sys/amd64/include/ieeefp.h#5 (text+ko) ==== @@ -111,7 +111,7 @@ #define SSE_RND_OFF 13 /* rounding control offset */ #define SSE_FZ_OFF 15 /* flush to zero offset */ -#if defined(__GNUC__) && !defined(__cplusplus) +#ifdef __GNUC__ #define __fldenv(addr) __asm __volatile("fldenv %0" : : "m" (*(addr))) #define __fnstenv(addr) __asm __volatile("fnstenv %0" : "=m" (*(addr))) @@ -139,7 +139,20 @@ unsigned short _cw; __fnstcw(&_cw); +#ifndef __cplusplus return ((_cw & FP_RND_FLD) >> FP_RND_OFF); +#else + switch ((_cw & FP_RND_FLD) >> FP_RND_OFF) { + case FP_RN: + return FP_RN; + case FP_RM: + return FP_RM; + case FP_RP: + return FP_RP; + case FP_RZ: + return FP_RZ; + } +#endif } static __inline__ fp_rnd_t @@ -150,7 +163,24 @@ fp_rnd_t _p; __fnstcw(&_cw); +#ifndef __cplusplus _p = (_cw & FP_RND_FLD) >> FP_RND_OFF; +#else + switch ((_cw & FP_RND_FLD) >> FP_RND_OFF) { + case FP_RN: + _p = FP_RN; + break; + case FP_RM: + _p = FP_RM; + break; + case FP_RP: + _p = FP_RP; + break; + case FP_RZ: + _p = FP_RZ; + break; + } +#endif _cw &= ~FP_RND_FLD; _cw |= (_m << FP_RND_OFF) & FP_RND_FLD; __fldcw(&_cw); @@ -172,7 +202,20 @@ unsigned short _cw; __fnstcw(&_cw); +#ifndef __cplusplus return ((_cw & FP_PRC_FLD) >> FP_PRC_OFF); +#else + switch ((_cw & FP_PRC_FLD) >> FP_PRC_OFF) { + case FP_PS: + return FP_PS; + case FP_PRS: + return FP_PRS; + case FP_PD: + return FP_PD; + case FP_PE: + return FP_PE; + } +#endif } static __inline__ fp_prec_t @@ -182,7 +225,24 @@ fp_prec_t _p; __fnstcw(&_cw); +#ifndef __cplusplus _p = (_cw & FP_PRC_FLD) >> FP_PRC_OFF; +#else + switch ((_cw & FP_PRC_FLD) >> FP_PRC_OFF) { + case FP_PS: + _p = FP_PS; + break; + case FP_PRS: + _p = FP_PRS; + break; + case FP_PD: + _p = FP_PD; + break; + case FP_PE: + _p = FP_PE; + break; + } +#endif _cw &= ~FP_PRC_FLD; _cw |= (_m << FP_PRC_OFF) & FP_PRC_FLD; __fldcw(&_cw); @@ -263,7 +323,7 @@ /* Suppress prototypes in the MI header. */ #define _IEEEFP_INLINED_ 1 -#else /* __GNUC__ && !__cplusplus */ +#else /* __GNUC__ */ /* Augment the userland declarations */ __BEGIN_DECLS @@ -271,6 +331,6 @@ extern fp_prec_t fpsetprec(fp_prec_t); __END_DECLS -#endif /* __GNUC__ && !__cplusplus */ +#endif /* __GNUC__ */ #endif /* !_MACHINE_IEEEFP_H_ */
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