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-rw-r--r--libm/arm/fclrexcpt.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libm/arm/fclrexcpt.c b/libm/arm/fclrexcpt.c
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+++ b/libm/arm/fclrexcpt.c
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+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 1997-2025 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>
+#include "arm-features.h"
+
+
+int
+feclearexcept (int excepts)
+{
+ fpu_control_t fpscr, new_fpscr;
+
+ /* Fail if a VFP unit isn't present unless nothing needs to be done. */
+ if (!ARM_HAVE_VFP)
+ return (excepts != 0);
+
+ _FPU_GETCW (fpscr);
+ excepts &= FE_ALL_EXCEPT;
+ new_fpscr = fpscr & ~excepts;
+
+ /* Write new exception flags if changed. */
+ if (new_fpscr != fpscr)
+ _FPU_SETCW (new_fpscr);
+
+ return 0;
+}