glibc/sysdeps/i386/fpu/fraiseexcpt.c
Ulrich Drepper 76f2646f3d Update.
2002-09-09  Jakub Jelinek  <jakub@redhat.com>

	* include/math.h (__finite_internal, __finitef_internal,
	__finitel_internal, __isinf_internal, __isnan_internal): Remove.
	(isfinite): Remove.
	(__finite, __isinf, __isnan, __finitef, __isinff, __isnanf, __finitel,
	__isinfl, __isnanl): Add hidden_proto.
	(__fpclassify, __fpclassifyf, __fpclassifyl, __expm1l): Add
	libm_hidden_proto.
	* math/Makefile (libm-calls): Add s_isinf and s_isnan.
	* stdio-common/printf_fp.c (__printf_fp): Remove INTUSE from
	__is{inf,nan} calls.
	* stdio-common/printf_size.c (printf_size): Likewise.
	* sysdeps/generic/printf_fphex.c (__printf_fphex): Likewise.
	* sysdeps/generic/s_ldexp.c (__ldexp): Likewise.
	* sysdeps/generic/s_ldexpf.c (__ldexpf): Likewise.
	* sysdeps/generic/s_ldexpl.c (__ldexpl): Likewise.
	* sysdeps/generic/s_expm1l.c (__expm1l): Add libm_hidden_def.
	* sysdeps/i386/fpu/s_finite.S (__finite_internal): Remove alias.
	(__finite): Add hidden_def.
	* sysdeps/i386/fpu/s_finitef.S (__finitef_internal): Remove alias.
	(__finitef): Add hidden_def.
	* sysdeps/i386/fpu/s_finitel.S (__finitel_internal): Remove alias.
	(__finitel): Add hidden_def.
	* sysdeps/i386/fpu/s_isinfl.c (__isinfl): Remove INTDEF.  Add
	hidden_def.
	* sysdeps/i386/fpu/s_isnanl.c (__isnanl): Likewise.
	* sysdeps/i386/fpu/s_fpclassifyl.c (__fpclassifyl): Add
	libm_hidden_def.
	* sysdeps/i386/fpu/s_expm1l.S (__expm1l): Likewise.
	* sysdeps/ieee754/dbl-64/s_finite.c (__finite): Remove INTDEF.  Add
	hidden_def.
	* sysdeps/ieee754/dbl-64/s_isinf.c (__isinf): Likewise.
	(__isinfl): Remove INTDEF.
	* sysdeps/ieee754/dbl-64/s_isnan.c (__isnan): Remove INTDEF.  Add
	hidden_def.
	(__isnanl): Remove INTDEF.
	* sysdeps/ieee754/dbl-64/s_fpclassify.c (__fpclassify): Add
	libm_hidden_def.
	* sysdeps/ieee754/dbl-64/e_lgamma_r.c (sin_pi): Use __sin and __cos
	instead of sin and cos.
	* sysdeps/ieee754/flt-32/s_finitef.c (__finitef): Remove INTDEF.
	Add hidden_def.
	* sysdeps/ieee754/flt-32/s_isinff.c (__isinff): Likewise.
	* sysdeps/ieee754/flt-32/s_isnanf.c (__isnanf): Likewise.
	* sysdeps/ieee754/flt-32/s_fpclassifyf.c (__fpclassifyf): Add
	libm_hidden_def.
	* sysdeps/ieee754/ldbl-128/s_finitel.c (__finitel): Remove INTDEF.
	Add hidden_def.
	* sysdeps/ieee754/ldbl-128/s_isinfl.c (__isinfl): Likewise.
	* sysdeps/ieee754/ldbl-128/s_isnanl.c (__isnanl): Likewise.
	* sysdeps/ieee754/ldbl-128/s_fpclassifyl.c (__fpclassifyl): Add
	libm_hidden_def.
	* sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Add
	libm_hidden_def.
	* sysdeps/ieee754/ldbl-96/s_finitel.c (__finitel): Remove INTDEF.
	Add hidden_def.
	* sysdeps/ieee754/ldbl-96/s_isinfl.c (__isinfl): Likewise.
	* sysdeps/ieee754/ldbl-96/s_isnanl.c (__isnanl): Likewise.
	* sysdeps/ieee754/ldbl-96/s_fpclassifyl.c (__fpclassifyl): Add
	libm_hidden_def.
	* sysdeps/ia64/fpu/s_finite.S (__finite_internal, __finitef_internal,
	__finitel_internal): Remove aliases.
	(__finite, __finitef, __finitel): Add hidden_def.
	* sysdeps/ia64/fpu/s_isnan.S (__isnan_internal, __isnanf_internal,
	__isnanl_internal): Remove aliases.
	(__isnan, __isnanf, __isnanl): Add hidden_def.
	* sysdeps/ia64/fpu/s_isinf.S (__isinf_internal, __isinff_internal,
	__isinfl_internal): Remove aliases.
	(__isinf, __isinff, __isinfl): Add hidden_def.
	* sysdeps/ia64/fpu/s_fpclassify.S (__fpclassify, __fpclassifyf,
	__fpclassifyl): Add libm_hidden_def.
	* sysdeps/ia64/fpu/s_expm1l.S (__expm1l): Likewise.
	* sysdeps/m68k/s_isinfl.c (__isinfl): Remove INTDEF.  Add hidden_def.
	* sysdeps/m68k/fpu/s_isinf.c (INTDEFX): Remove.
	(hidden_defx): Define and use.
	* sysdeps/m68k/fpu/s_fpclassifyl.c (__fpclassifyl): Add
	libm_hidden_def.
	* sysdeps/m68k/fpu/s_expm1l.c (__expm1l): Likewise.
	* sysdeps/m68k/s_isnanl.c (__isnanl): Add hidden_def.
	* sysdeps/powerpc/fpu/s_isnan.c (__isnan, __isnanf, __isnanl):
	Remove INTDEF.
	(__isnan, __isnanf): Add hidden_def.
	* sysdeps/x86_64/fpu/s_finitel.S (__finitel_internal): Remove alias.
	(__finitel): Add libm_hidden_def.
	* sysdeps/x86_64/fpu/s_expm1l.S (__expm1l): Likewise.

	* include/fenv.h (feraiseexcept, fesetenv): Add libm_hidden_proto.
	* sysdeps/alpha/fpu/fesetenv.c (fesetenv): Add libm_hidden_ver.
	* sysdeps/alpha/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/arm/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/arm/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/generic/fesetenv.c (fesetenv): Likewise.
	* sysdeps/generic/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/i386/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/i386/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/m68k/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/m68k/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/mips/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/mips/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/powerpc/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/powerpc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/sparc/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/sparc/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/hppa/fpu/fesetenv.c (fesetenv): Add libm_hidden_def.
	* sysdeps/hppa/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/ia64/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/ia64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/sh/sh4/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/sh/sh4/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/s390/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/s390/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
	* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Likewise.
	* sysdeps/x86_64/fpu/fraiseexcpt.c (feraiseexcept): Likewise.
2002-09-10 01:40:26 +00:00

125 lines
3.9 KiB
C

/* Raise given exceptions.
Copyright (C) 1997,99,2000,01,02 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <math.h>
int
__feraiseexcept (int excepts)
{
/* Raise exceptions represented by EXPECTS. But we must raise only
one signal at a time. It is important that if the overflow/underflow
exception and the inexact exception are given at the same time,
the overflow/underflow exception follows the inexact exception. */
/* First: invalid exception. */
if ((FE_INVALID & excepts) != 0)
{
/* One example of a invalid operation is 0.0 / 0.0. */
double d;
__asm__ __volatile__ ("fldz; fdiv %%st, %%st(0); fwait" : "=t" (d));
(void) &d;
}
/* Next: division by zero. */
if ((FE_DIVBYZERO & excepts) != 0)
{
double d;
__asm__ __volatile__ ("fldz; fld1; fdivp %%st, %%st(1); fwait"
: "=t" (d));
(void) &d;
}
/* Next: overflow. */
if ((FE_OVERFLOW & excepts) != 0)
{
/* There is no way to raise only the overflow flag. Do it the
hard way. */
fenv_t temp;
/* Bah, we have to clear selected exceptions. Since there is no
`fldsw' instruction we have to do it the hard way. */
__asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
/* Set the relevant bits. */
temp.__status_word |= FE_OVERFLOW;
/* Put the new data in effect. */
__asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
/* And raise the exception. */
__asm__ __volatile__ ("fwait");
}
/* Next: underflow. */
if ((FE_UNDERFLOW & excepts) != 0)
{
/* There is no way to raise only the underflow flag. Do it the
hard way. */
fenv_t temp;
/* Bah, we have to clear selected exceptions. Since there is no
`fldsw' instruction we have to do it the hard way. */
__asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
/* Set the relevant bits. */
temp.__status_word |= FE_UNDERFLOW;
/* Put the new data in effect. */
__asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
/* And raise the exception. */
__asm__ __volatile__ ("fwait");
}
/* Last: inexact. */
if ((FE_INEXACT & excepts) != 0)
{
/* There is no way to raise only the inexact flag. Do it the
hard way. */
fenv_t temp;
/* Bah, we have to clear selected exceptions. Since there is no
`fldsw' instruction we have to do it the hard way. */
__asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
/* Set the relevant bits. */
temp.__status_word |= FE_INEXACT;
/* Put the new data in effect. */
__asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
/* And raise the exception. */
__asm__ __volatile__ ("fwait");
}
/* Success. */
return 0;
}
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
strong_alias (__feraiseexcept, __old_feraiseexcept)
compat_symbol (libm, __old_feraiseexcept, feraiseexcept, GLIBC_2_1);
#endif
libm_hidden_ver (__feraiseexcept, feraiseexcept)
versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2);