Differential D34797 Diff 104915 lib/msun/src/math_private.h

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lib/msun/src/math_private.h

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	}			}
	#endif /* LDBL_MANT_DIG */			#endif /* LDBL_MANT_DIG */

	/*			/*
	* irint() and i64rint() give the same result as casting to their integer			* irint() and i64rint() give the same result as casting to their integer
	* return type provided their arg is a floating point integer. They can			* return type provided their arg is a floating point integer. They can
	* sometimes be more efficient because no rounding is required.			* sometimes be more efficient because no rounding is required.
	*/			*/
	#if (defined(amd64) \|\| defined(__i386__)) && defined(__GNUCLIKE_ASM)			#if defined(amd64) \|\| defined(__i386__)
				arichardsonUnsubmitted Not Done Inline Actions Pre-existing but shouldn't this be `defined(__amd64__)`? And I guess _Generic if you want to modernize it. arichardson: Pre-existing but shouldn't this be `defined(__amd64__)`? And I guess _Generic if you want to…
				jhbAuthorUnsubmitted Done Inline Actions Mmmm, interesting. Note that irintf() and irintd() aren't defined for amd64 so I think if this was fixed it wouldn't compile on amd64. jhb: Mmmm, interesting. Note that irintf() and irintd() aren't defined for amd64 so I think if this…
	#define irint(x) \			#define irint(x) \
	(sizeof(x) == sizeof(float) && \			(sizeof(x) == sizeof(float) && \
	sizeof(__float_t) == sizeof(long double) ? irintf(x) : \			sizeof(__float_t) == sizeof(long double) ? irintf(x) : \
	sizeof(x) == sizeof(double) && \			sizeof(x) == sizeof(double) && \
	sizeof(__double_t) == sizeof(long double) ? irintd(x) : \			sizeof(__double_t) == sizeof(long double) ? irintd(x) : \
	sizeof(x) == sizeof(long double) ? irintl(x) : (int)(x))			sizeof(x) == sizeof(long double) ? irintl(x) : (int)(x))
	#else			#else
	#define irint(x) ((int)(x))			#define irint(x) ((int)(x))
	#endif			#endif

	#define i64rint(x) ((int64_t)(x)) /* only needed for ld128 so not opt. */			#define i64rint(x) ((int64_t)(x)) /* only needed for ld128 so not opt. */

	#if defined(__i386__) && defined(__GNUCLIKE_ASM)			#if defined(__i386__)
	static __inline int			static __inline int
	irintf(float x)			irintf(float x)
	{			{
	int n;			int n;

	__asm("fistl %0" : "=m" (n) : "t" (x));			__asm("fistl %0" : "=m" (n) : "t" (x));
	return (n);			return (n);
	}			}

	static __inline int			static __inline int
	irintd(double x)			irintd(double x)
	{			{
	int n;			int n;

	__asm("fistl %0" : "=m" (n) : "t" (x));			__asm("fistl %0" : "=m" (n) : "t" (x));
	return (n);			return (n);
	}			}
	#endif			#endif

	#if (defined(__amd64__) \|\| defined(__i386__)) && defined(__GNUCLIKE_ASM)			#if defined(__amd64__) \|\| defined(__i386__)
	static __inline int			static __inline int
	irintl(long double x)			irintl(long double x)
	{			{
	int n;			int n;

	__asm("fistl %0" : "=m" (n) : "t" (x));			__asm("fistl %0" : "=m" (n) : "t" (x));
	return (n);			return (n);
	}			}
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