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+/* $XFree86: xc/programs/Xserver/mi/micoord.h,v 1.7 2003/10/29 22:57:48 tsi Exp $ */
+/*
+ * Copyright (C) 2000 The XFree86 Project, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the XFree86 Project shall
+ * not be used in advertising or otherwise to promote the sale, use or other
+ * dealings in this Software without prior written authorization from the
+ * XFree86 Project.
+ *
+ */
+
+#ifndef _MICOORD_H_
+#define _MICOORD_H_ 1
+
+#include "servermd.h"
+
+/* Macros which handle a coordinate in a single register */
+
+/*
+ * Most compilers will convert divisions by 65536 into shifts, if signed
+ * shifts exist. If your machine does arithmetic shifts and your compiler
+ * can't get it right, add to this line.
+ */
+
+/*
+ * mips compiler - what a joke - it CSEs the 65536 constant into a reg
+ * forcing as to use div instead of shift. Let's be explicit.
+ */
+
+#if defined(mips) || defined(sgi) || \
+ defined(sparc) || defined(__sparc64__) || \
+ defined(__alpha) || defined(__alpha__) || \
+ defined(__i386__) || defined(i386) || \
+ defined(__ia64__) || defined(ia64) || \
+ defined(__s390x__) || defined(__s390__) || \
+ defined(__amd64__) || defined(amd64) || defined(__amd64)
+#define GetHighWord(x) (((int) (x)) >> 16)
+#else
+#define GetHighWord(x) (((int) (x)) / 65536)
+#endif
+
+#if IMAGE_BYTE_ORDER == MSBFirst
+#define intToCoord(i,x,y) (((x) = GetHighWord(i)), ((y) = (int) ((short) (i))))
+#define coordToInt(x,y) (((x) << 16) | ((y) & 0xffff))
+#define intToX(i) (GetHighWord(i))
+#define intToY(i) ((int) ((short) i))
+#else
+#define intToCoord(i,x,y) (((x) = (int) ((short) (i))), ((y) = GetHighWord(i)))
+#define coordToInt(x,y) (((y) << 16) | ((x) & 0xffff))
+#define intToX(i) ((int) ((short) (i)))
+#define intToY(i) (GetHighWord(i))
+#endif
+
+#endif /* _MICOORD_H_ */