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Diffstat (limited to 'sysdeps/riscv/rvf/fsetexcptflg.c')
-rw-r--r--sysdeps/riscv/rvf/fsetexcptflg.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/riscv/rvf/fsetexcptflg.c b/sysdeps/riscv/rvf/fsetexcptflg.c
new file mode 100644
index 0000000000..9e5bebf289
--- /dev/null
+++ b/sysdeps/riscv/rvf/fsetexcptflg.c
@@ -0,0 +1,30 @@
+/* Set floating-point environment exception handling.
+ Copyright (C) 1998-2018 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
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ fexcept_t flags = *flagp;
+ asm volatile ("csrc fflags, %0" : : "r" (excepts));
+ asm volatile ("csrs fflags, %0" : : "r" (flags & excepts));
+
+ return 0;
+}