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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2016-08-20 19:50:45 +0200
commit4dd9e35bfd35d3138bc44169baba098005bad51e (patch)
treea4939c43a9c3fe00eb27f023e14acc5e1fe8808c /sysdeps/aarch64/fpu/get-rounding-mode.h
parentbd42a4599d1b6f77bcfe1e4f67b7cbd9e1cb2dfd (diff)
parentf76453c31593957fec1a99b986bfa5506618b79c (diff)
Merge commit 'refs/top-bases/t/bigmem' into t/bigmem
Diffstat (limited to 'sysdeps/aarch64/fpu/get-rounding-mode.h')
-rw-r--r--sysdeps/aarch64/fpu/get-rounding-mode.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/get-rounding-mode.h b/sysdeps/aarch64/fpu/get-rounding-mode.h
new file mode 100644
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+++ b/sysdeps/aarch64/fpu/get-rounding-mode.h
@@ -0,0 +1,38 @@
+/* Determine floating-point rounding mode within libc. AArch64 version.
+
+ Copyright (C) 2012-2015 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 _AARCH64_GET_ROUNDING_MODE_H
+#define _AARCH64_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_FPCR_RM_MASK;
+}
+
+#endif /* get-rounding-mode.h */