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* [glibc] LoongArch: Add get_rounding_mode.
@ 2023-03-13 1:21 Yinyu Cai
0 siblings, 0 replies; only message in thread
From: Yinyu Cai @ 2023-03-13 1:21 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=90233f113cc941ef88ce03b7f73221a964dcaca8
commit 90233f113cc941ef88ce03b7f73221a964dcaca8
Author: caiyinyu <caiyinyu@loongson.cn>
Date: Wed Mar 8 15:55:15 2023 +0800
LoongArch: Add get_rounding_mode.
Diff:
---
sysdeps/loongarch/fpu/get-rounding-mode.h | 38 +++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
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 */
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