* [PATCH] LoongArch: Add get_rounding_mode.
@ 2023-03-08 9:57 caiyinyu
0 siblings, 0 replies; only message in thread
From: caiyinyu @ 2023-03-08 9:57 UTC (permalink / raw)
To: libc-alpha; +Cc: adhemerval.zanella, xry111, caiyinyu
---
sysdeps/loongarch/fpu/get-rounding-mode.h | 38 +++++++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 sysdeps/loongarch/fpu/get-rounding-mode.h
diff --git a/sysdeps/loongarch/fpu/get-rounding-mode.h b/sysdeps/loongarch/fpu/get-rounding-mode.h
new file mode 100644
index 0000000000..b60733e298
--- /dev/null
+++ b/sysdeps/loongarch/fpu/get-rounding-mode.h
@@ -0,0 +1,38 @@
+/* Determine floating-point rounding mode within libc. LoongArch version.
+
+ Copyright (C) 2022-2023 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
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _LARCH_GET_ROUNDING_MODE_H
+#define _LARCH_GET_ROUNDING_MODE_H 1
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+/* Return the floating-point rounding mode. */
+
+static inline int
+get_rounding_mode (void)
+{
+ fpu_control_t fpcr;
+
+ _FPU_GETCW (fpcr);
+ return fpcr & _FPU_RC_MASK;
+}
+
+#endif /* get-rounding-mode.h */
--
2.31.1
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