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ab8dc78f71
2004-04-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/ia64/setjmp.S: Define _GI___sigsetjmp and use it internally instead of __sigsetjmp. * sysdeps/ia64/fpu/s_frexpf.c (frexpf): Use _GI___libm_frexp_4f. * sysdeps/ia64/fpu/s_frexpl.c (frexpl): Use _GI___libm_frexp_4l. * sysdeps/ia64/fpu/libm_frexp4.S: Define _GI___libm_frexp_4. * sysdeps/ia64/fpu/libm_frexp4f.S: Define _GI___libm_frexp_4f. * sysdeps/ia64/fpu/libm_frexp4l.S: Define _GI___libm_frexp_4l. * sysdeps/ia64/fpu/s_frexp.c (frexp): Use _GI___libm_frexp_4. * sysdeps/ia64/fpu/libm_support.h: Declare _GI___libm_frexp_4, _GI___libm_frexp_4f, _GI___libm_frexp_4l. * sysdeps/ia64/fpu/bits/mathinline.h: New file. * sysdeps/unix/sysv/linux/ia64/__start_context.S: Use HIDDEN_JUMPTARGET for exit call. * sysdeps/unix/sysv/linux/ia64/clone2.S: Use HIDDEN_JUMPTARGET for _exit call. * sysdeps/ia64/bcopy.S: Use HIDDEN_JUMPTARGET for memmove call. * sysdeps/ia64/strcat.S: Use HIDDEN_JUMPTARGET for strlen and strcpy calls.
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* Inline math functions for ia64.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _MATH_H
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# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
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#endif
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#ifdef __cplusplus
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# define __MATH_INLINE __inline
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#else
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# define __MATH_INLINE extern __inline
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#endif
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#if defined __USE_ISOC99 && defined __GNUC__ && __GNUC__ >= 2
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/* The gcc, version 2.7 or below, has problems with all this inlining
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code. So disable it for this version of the compiler. */
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# if __GNUC_PREREQ (2, 8)
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/* Test for negative number. Used in the signbit() macro. */
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__MATH_INLINE int
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__signbitf (float __x) __THROW
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{
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__extension__ union { float __f; int __i; } __u = { __f: __x };
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return __u.__i < 0;
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}
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__MATH_INLINE int
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__signbit (double __x) __THROW
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{
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__extension__ union { double __d; int __i[2]; } __u = { __d: __x };
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return __u.__i[1] < 0;
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}
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__MATH_INLINE int
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__signbitl (long double __x) __THROW
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{
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__extension__ union { long double __l; int __i[3]; } __u = { __l: __x };
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return (__u.__i[2] & 0x8000) != 0;
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}
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# endif
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#endif
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