diff options
| author | hrydgard <hrydgard@gmail.com> | 2008-07-12 17:40:22 +0000 |
|---|---|---|
| committer | hrydgard <hrydgard@gmail.com> | 2008-07-12 17:40:22 +0000 |
| commit | 775dc8a9c0c83f7a2f776e97f5b90385c759535a (patch) | |
| tree | 305bc72e0917f9dd52da3de6b3c81185cd18aaed /Source/Core/Common/Src/MathUtil.cpp | |
| parent | a3be5d89ae21b1c158266c61e312c2b7969c9082 (diff) | |
Initial megacommit.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
Diffstat (limited to 'Source/Core/Common/Src/MathUtil.cpp')
| -rw-r--r-- | Source/Core/Common/Src/MathUtil.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Source/Core/Common/Src/MathUtil.cpp b/Source/Core/Common/Src/MathUtil.cpp new file mode 100644 index 0000000000..830590ad39 --- /dev/null +++ b/Source/Core/Common/Src/MathUtil.cpp @@ -0,0 +1,44 @@ +// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program 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 General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include <xmmintrin.h>
+
+#include "Common.h"
+#include "MathUtil.h"
+
+static u32 saved_sse_state = _mm_getcsr();
+static const u32 default_sse_state = _mm_getcsr();
+
+
+void LoadDefaultSSEState()
+{
+ _mm_setcsr(default_sse_state);
+}
+
+
+void LoadSSEState()
+{
+ _mm_setcsr(saved_sse_state);
+}
+
+
+void SaveSSEState()
+{
+ saved_sse_state = _mm_getcsr();
+}
+
+
|