diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/spe-raise.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/spe-raise.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/spe-raise.c b/sysdeps/powerpc/powerpc32/e500/nofpu/spe-raise.c deleted file mode 100644 index e1ad994fcb..0000000000 --- a/sysdeps/powerpc/powerpc32/e500/nofpu/spe-raise.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Raise given exceptions, given the SPEFSCR bits for those exceptions. - Copyright (C) 1997-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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> - -int -__FERAISEEXCEPT_INTERNAL (int excepts) -{ - unsigned long f; - - f = fegetenv_register (); - f |= (excepts & SPEFSCR_ALL_EXCEPT); - fesetenv_register (f); - - /* Force the operations that cause the exceptions. */ - if ((SPEFSCR_FINVS & excepts) != 0) - /* 0 / 0 */ - asm volatile ("efsdiv %0,%0,%1" : : "r" (0), "r" (0)); - - if ((SPEFSCR_FDBZS & excepts) != 0) - /* 1.0 / 0.0 */ - asm volatile ("efsdiv %0,%0,%1" : : "r" (1.0F), "r" (0)); - - if ((SPEFSCR_FOVFS & excepts) != 0) - /* Largest normalized number plus itself. */ - asm volatile ("efsadd %0,%0,%1" : : "r" (0x7f7fffff), "r" (0x7f7fffff)); - - if ((SPEFSCR_FUNFS & excepts) != 0) - /* Smallest normalized number times itself. */ - asm volatile ("efsmul %0,%0,%1" : : "r" (0x800000), "r" (0x800000)); - - if ((SPEFSCR_FINXS & excepts) != 0) - /* Smallest normalized minus 1.0 raises the inexact flag. */ - asm volatile ("efssub %0,%0,%1" : : "r" (0x00800000), "r" (1.0F)); - - /* Success. */ - return 0; -} |