From 089f8816df1cbcb0519083f72f3fd51a5072bd9a Mon Sep 17 00:00:00 2001
From: swcompiler <lc@wxiat.com>
Date: Fri, 29 Nov 2024 17:18:04 +0800
Subject: [PATCH 15/23] Sw64: Add get_rounding_mode

---
 sysdeps/sw_64/fpu/get-rounding-mode.h | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 sysdeps/sw_64/fpu/get-rounding-mode.h

diff --git a/sysdeps/sw_64/fpu/get-rounding-mode.h b/sysdeps/sw_64/fpu/get-rounding-mode.h
new file mode 100644
index 00000000..d7fb29a2
--- /dev/null
+++ b/sysdeps/sw_64/fpu/get-rounding-mode.h
@@ -0,0 +1,35 @@
+/* Determine floating-point rounding mode within libc.  Sw_64 version.
+   Copyright (C) 2012-2023 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef SW_64_GET_ROUNDING_MODE_H
+#define SW_64_GET_ROUNDING_MODE_H 1
+
+#include <fenv.h>
+#include <fenv_libc.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  unsigned long fpcr;
+  __asm__ __volatile__("excb; rfpcr %0" : "=f"(fpcr));
+  return (fpcr >> FPCR_ROUND_SHIFT) & 3;
+}
+
+#endif /* get-rounding-mode.h */
-- 
2.25.1

