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Diffstat (limited to 'ports/sysdeps/am33/fpu/feholdexcpt.c')
-rw-r--r--ports/sysdeps/am33/fpu/feholdexcpt.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/ports/sysdeps/am33/fpu/feholdexcpt.c b/ports/sysdeps/am33/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..1c002d8d94
--- /dev/null
+++ b/ports/sysdeps/am33/fpu/feholdexcpt.c
@@ -0,0 +1,38 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 2000, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Alexandre Oliva <aoliva@redhat.com>
+ based on corresponding file in the MIPS port.
+
+ 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_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ *envp = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I);
+ _FPU_SETFCW (cw);
+
+ return 0;
+}