diff options
Diffstat (limited to 'sysdeps/m68k/fpu/fraiseexcpt.c')
-rw-r--r-- | sysdeps/m68k/fpu/fraiseexcpt.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/sysdeps/m68k/fpu/fraiseexcpt.c b/sysdeps/m68k/fpu/fraiseexcpt.c deleted file mode 100644 index 69f746c..0000000 --- a/sysdeps/m68k/fpu/fraiseexcpt.c +++ /dev/null @@ -1,83 +0,0 @@ -/* 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 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - 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 <float.h> -#include <math.h> - -int -__feraiseexcept (int excepts) -{ - /* Raise exceptions represented by EXCEPTS. But we must raise only one - signal at a time. It is important that if the overflow/underflow - exception and the divide by zero exception are given at the same - time, the overflow/underflow exception follows the divide by zero - exception. */ - - /* First: invalid exception. */ - if (excepts & FE_INVALID) - { - /* One example of a invalid operation is 0 * Infinity. */ - double d = HUGE_VAL; - __asm__ __volatile__ ("fmul%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d)); - } - - /* Next: division by zero. */ - if (excepts & FE_DIVBYZERO) - { - double d = 1.0; - __asm__ __volatile__ ("fdiv%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d)); - } - - /* Next: overflow. */ - if (excepts & FE_OVERFLOW) - { - long double d = LDBL_MAX; - - __asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d)); - } - - /* Next: underflow. */ - if (excepts & FE_UNDERFLOW) - { - long double d = -LDBL_MAX; - - __asm__ __volatile__ ("fetox%.x %0; fnop" : "=f" (d) : "0" (d)); - } - - /* Last: inexact. */ - if (excepts & FE_INEXACT) - { - long double d = 1.0; - __asm__ __volatile__ ("fdiv%.s %#0r3,%0; fnop" : "=f" (d) : "0" (d)); - } - - /* 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); |