about summary refs log tree commit diff
path: root/sysdeps/aarch64/fpu
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2016-08-16 16:16:57 +0000
committerJoseph Myers <joseph@codesourcery.com>2016-08-16 16:16:57 +0000
commitce99c0816b2464efe9631cba6e51c7fe6ea90884 (patch)
tree9a51bf3080f7a05e73a09b0ed952e98cb39f26de /sysdeps/aarch64/fpu
parent5146356f5a72c3c660cd782c9eaafbe767817050 (diff)
downloadglibc-ce99c0816b2464efe9631cba6e51c7fe6ea90884.tar.gz
glibc-ce99c0816b2464efe9631cba6e51c7fe6ea90884.tar.xz
glibc-ce99c0816b2464efe9631cba6e51c7fe6ea90884.zip
Add fesetexcept: aarch64.
This patch adds an AArch64 version of fesetexcept.  Untested.

	* sysdeps/aarch64/fpu/fesetexcept.c: New file.
Diffstat (limited to 'sysdeps/aarch64/fpu')
-rw-r--r--sysdeps/aarch64/fpu/fesetexcept.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/fesetexcept.c b/sysdeps/aarch64/fpu/fesetexcept.c
new file mode 100644
index 0000000000..52210bbec2
--- /dev/null
+++ b/sysdeps/aarch64/fpu/fesetexcept.c
@@ -0,0 +1,34 @@
+/* Set given exception flags.  AArch64 version.
+   Copyright (C) 2016 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
+fesetexcept (int excepts)
+{
+  fpu_fpsr_t fpsr;
+  fpu_fpsr_t fpsr_new;
+
+  _FPU_GETFPSR (fpsr);
+  fpsr_new = fpsr | (excepts & FE_ALL_EXCEPT);
+  if (fpsr != fpsr_new)
+    _FPU_SETFPSR (fpsr_new);
+
+  return 0;
+}