diff options
Diffstat (limited to 'sysdeps/s390/fpu/fsetexcptflg.c')
-rw-r--r-- | sysdeps/s390/fpu/fsetexcptflg.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/sysdeps/s390/fpu/fsetexcptflg.c b/sysdeps/s390/fpu/fsetexcptflg.c deleted file mode 100644 index 58e462fb5a..0000000000 --- a/sysdeps/s390/fpu/fsetexcptflg.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Set floating-point environment exception handling. - Copyright (C) 2000-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). - - 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_libc.h> -#include <math.h> -#include <fpu_control.h> - -int -fesetexceptflag (const fexcept_t *flagp, int excepts) -{ - fexcept_t temp, newexcepts; - - /* Get the current environment. We have to do this since we cannot - separately set the status word. */ - _FPU_GETCW (temp); - /* Install the new exception bits in the Accrued Exception Byte. */ - excepts = excepts & FE_ALL_EXCEPT; - newexcepts = excepts << FPC_FLAGS_SHIFT; - temp &= ~newexcepts; - if ((temp & FPC_NOT_FPU_EXCEPTION) == 0) - /* Bits 6, 7 of dxc-byte are zero, - thus bits 0-5 of dxc-byte correspond to the flag-bits. - Clear given exceptions in dxc-field. */ - temp &= ~(excepts << FPC_DXC_SHIFT); - - /* Integrate dxc-byte of flagp into flags. The dxc-byte of flagp contains - either an ieee-exception or 0 (see fegetexceptflag). */ - temp |= (*flagp | ((*flagp >> FPC_DXC_SHIFT) << FPC_FLAGS_SHIFT)) - & newexcepts; - - /* Store the new status word (along with the rest of the environment. - Possibly new exceptions are set but they won't get executed. */ - _FPU_SETCW (temp); - - /* Success. */ - return 0; -} |