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-rw-r--r--sysdeps/i386/fpu/fraiseexcpt.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/sysdeps/i386/fpu/fraiseexcpt.c b/sysdeps/i386/fpu/fraiseexcpt.c
deleted file mode 100644
index 913d7b912c..0000000000
--- a/sysdeps/i386/fpu/fraiseexcpt.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* Raise given exceptions.
- Copyright (C) 1997-2017 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, see
- <http://www.gnu.org/licenses/>. */
-
-#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 an 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_def (__feraiseexcept)
-libm_hidden_ver (__feraiseexcept, feraiseexcept)
-versioned_symbol (libm, __feraiseexcept, feraiseexcept, GLIBC_2_2);