1 files changed, 40 insertions, 0 deletions
diff --git a/libm/sh/sh4/fesetround.c b/libm/sh/sh4/fesetround.c
new file mode 100644
index 000000000..144eca86f
--- /dev/null
+++ b/libm/sh/sh4/fesetround.c
@@ -0,0 +1,40 @@
+/* Set current rounding direction.
+   Copyright (C) 1998-2025 Free Software Foundation, Inc.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetround (int round)
+{
+  fpu_control_t cw;
+
+  if ((round & ~0x1) != 0)
+    /* ROUND is no valid rounding mode.  */
+    return 1;
+
+  /* Get current state.  */
+  _FPU_GETCW (cw);
+
+  /* Set rounding bits.  */
+  cw &= ~0x1;
+  cw |= round;
+  /* Set new state.  */
+  _FPU_SETCW (cw);
+
+  return 0;
+}