1bbb83b526
- Use some files from ARM version. - Use NetBSD software floating point library to provide floating point operations not handled directly by hardware floating point enabled GCC compiler. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Harry Liebel <Harry.Liebel@arm.com> Reviewed-by: Olivier Martin <Olivier.Martin@arm.com> Reviewed-by: Daryl McDaniel <edk2-lists@mc2research.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18118 6f19259b-4bc3-4df7-8a09-765794883524
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* $NetBSD: ieeefp.h,v 1.3 2013/04/23 05:42:23 matt Exp $ */
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/*
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* Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
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* Public domain.
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*/
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#ifndef _AARCH64_IEEEFP_H_
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#define _AARCH64_IEEEFP_H_
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#include <LibConfig.h>
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#include <sys/featuretest.h>
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#if defined(_NETBSD_SOURCE) || defined(_ISOC99_SOURCE)
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#include <machine/fenv.h>
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#if !defined(_ISOC99_SOURCE)
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/* Exception type (used by fpsetmask() et al.) */
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typedef int fp_except;
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/* Bit defines for fp_except */
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#define FP_X_INV FE_INVALID /* invalid operation exception */
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#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */
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#define FP_X_OFL FE_OVERFLOW /* overflow exception */
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#define FP_X_UFL FE_UNDERFLOW /* underflow exception */
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#define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */
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/* Rounding modes */
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typedef enum {
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FP_RN=FE_TONEAREST, /* round to nearest representable number */
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FP_RP=FE_UPWARD, /* round toward positive infinity */
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FP_RM=FE_DOWNWARD, /* round toward negative infinity */
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FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */
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} fp_rnd;
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#endif /* !_ISOC99_SOURCE */
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#endif /* _NETBSD_SOURCE || _ISOC99_SOURCE */
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#endif /* _AARCH64_IEEEFP_H_ */
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