diff options
Diffstat (limited to 'sysdeps/sh/sh4/fpu/fraiseexcpt.c')
-rw-r--r-- | sysdeps/sh/sh4/fpu/fraiseexcpt.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/sysdeps/sh/sh4/fpu/fraiseexcpt.c b/sysdeps/sh/sh4/fpu/fraiseexcpt.c deleted file mode 100644 index 4bd0eb9ef5..0000000000 --- a/sysdeps/sh/sh4/fpu/fraiseexcpt.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Raise given exceptions. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012. - - 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 <float.h> -#include <fpu_control.h> -#include <math.h> - -int -__feraiseexcept (int excepts) -{ - if (excepts == 0) - return 0; - - /* Raise exceptions represented by EXPECTS. */ - - if (excepts & FE_INEXACT) - { - double d = 1.0, x = 3.0; - __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); - } - - if (excepts & FE_UNDERFLOW) - { - long double d = LDBL_MIN, x = 10; - __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); - } - - if (excepts & FE_OVERFLOW) - { - long double d = LDBL_MAX; - __asm__ __volatile__ ("fmul %0, %0" : "+d" (d) : "d" (d)); - } - - if (excepts & FE_DIVBYZERO) - { - double d = 1.0, x = 0.0; - __asm__ __volatile__ ("fdiv %1, %0" : "+d" (d) : "d" (x)); - } - - if (excepts & FE_INVALID) - { - double d = HUGE_VAL, x = 0.0; - __asm__ __volatile__ ("fmul %1, %0" : "+d" (d) : "d" (x)); - } - - { - /* Restore flag fields. */ - fpu_control_t cw; - _FPU_GETCW (cw); - cw |= (excepts & FE_ALL_EXCEPT); - _FPU_SETCW (cw); - } - - return 0; -} -libm_hidden_def (__feraiseexcept) -weak_alias (__feraiseexcept, feraiseexcept) -libm_hidden_weak (feraiseexcept) |