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-rw-r--r--sysdeps/arm/feupdateenv.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/arm/feupdateenv.c b/sysdeps/arm/feupdateenv.c
deleted file mode 100644
index 21afa51d4a..0000000000
--- a/sysdeps/arm/feupdateenv.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Install given floating-point environment and raise 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 <fpu_control.h>
-#include <arm-features.h>
-
-
-int
-__feupdateenv (const fenv_t *envp)
-{
- fpu_control_t fpscr, new_fpscr, updated_fpscr;
- int excepts;
-
- /* Fail if a VFP unit isn't present. */
- if (!ARM_HAVE_VFP)
- return 1;
-
- _FPU_GETCW (fpscr);
- excepts = fpscr & FE_ALL_EXCEPT;
-
- if ((envp != FE_DFL_ENV) && (envp != FE_NOMASK_ENV))
- {
- /* Merge current exception flags with the saved fenv. */
- new_fpscr = envp->__cw | excepts;
-
- /* Write new FPSCR if different (ignoring NZCV flags). */
- if (((fpscr ^ new_fpscr) & ~_FPU_MASK_NZCV) != 0)
- _FPU_SETCW (new_fpscr);
-
- /* Raise the exceptions if enabled in the new FP state. */
- if (excepts & (new_fpscr >> FE_EXCEPT_SHIFT))
- return __feraiseexcept (excepts);
-
- return 0;
- }
-
- /* Preserve the reserved FPSCR flags. */
- new_fpscr = fpscr & (_FPU_RESERVED | FE_ALL_EXCEPT);
- new_fpscr |= (envp == FE_DFL_ENV) ? _FPU_DEFAULT : _FPU_IEEE;
-
- if (((new_fpscr ^ fpscr) & ~_FPU_MASK_NZCV) != 0)
- {
- _FPU_SETCW (new_fpscr);
-
- /* Not all VFP architectures support trapping exceptions, so
- test whether the relevant bits were set and fail if not. */
- _FPU_GETCW (updated_fpscr);
-
- if (new_fpscr & ~updated_fpscr)
- return 1;
- }
-
- /* Raise the exceptions if enabled in the new FP state. */
- if (excepts & (new_fpscr >> FE_EXCEPT_SHIFT))
- return __feraiseexcept (excepts);
-
- return 0;
-}
-libm_hidden_def (__feupdateenv)
-weak_alias (__feupdateenv, feupdateenv)
-libm_hidden_weak (feupdateenv)