1 files changed, 47 insertions, 0 deletions
diff --git a/libc/ports/sysdeps/aarch64/fpu/feholdexcpt.c b/libc/ports/sysdeps/aarch64/fpu/feholdexcpt.c
new file mode 100644
index 000000000..8c045271d
--- /dev/null
+++ b/libc/ports/sysdeps/aarch64/fpu/feholdexcpt.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1997-2012 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.h>
+#include <fpu_control.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+  fpu_fpsr_t fpsr;
+  fpu_control_t fpcr;
+
+  _FPU_GETCW (fpcr);
+  envp->__fpcr = fpcr;
+
+  _FPU_GETFPSR (fpsr);
+  envp->__fpsr = fpsr;
+
+  /* Now set all exceptions to non-stop.  */
+  fpcr &= ~(FE_ALL_EXCEPT << FE_EXCEPT_SHIFT);
+
+  /* And clear all exception flags.  */
+  fpsr &= ~FE_ALL_EXCEPT;
+
+  _FPU_SETFPSR (fpsr);
+
+  _FPU_SETCW (fpcr);
+
+  return 0;
+}
+
+libm_hidden_def (feholdexcept)