summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/common/math/gcc/lshrdi3.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/common/math/gcc/lshrdi3.c')
-rw-r--r--src/VBox/Runtime/common/math/gcc/lshrdi3.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/math/gcc/lshrdi3.c b/src/VBox/Runtime/common/math/gcc/lshrdi3.c
new file mode 100644
index 00000000..3dba60c3
--- /dev/null
+++ b/src/VBox/Runtime/common/math/gcc/lshrdi3.c
@@ -0,0 +1,69 @@
+/* $NetBSD: lshrdi3.c,v 1.9 2005/12/11 12:24:37 christos Exp $ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)lshrdi3.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: lshrdi3.c,v 1.9 2005/12/11 12:24:37 christos Exp $");
+#endif
+#endif*/ /* LIBC_SCCS and not lint */
+
+#include "quad.h"
+
+/*
+ * Shift an (unsigned) quad value right (logical shift right).
+ */
+quad_t
+__lshrdi3(a, shift)
+ quad_t a;
+ qshift_t shift;
+{
+ union uu aa;
+
+ if (shift == 0)
+ return(a);
+ aa.q = a;
+ if (shift >= INT_BITS) {
+ aa.ul[L] = aa.ul[H] >> (shift - INT_BITS);
+ aa.ul[H] = 0;
+ } else {
+ aa.ul[L] = (aa.ul[L] >> shift) |
+ (aa.ul[H] << (INT_BITS - shift));
+ aa.ul[H] >>= shift;
+ }
+ return (aa.q);
+}