diff options
Diffstat (limited to 'sys/libkern/lshldi3.c')
-rw-r--r-- | sys/libkern/lshldi3.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sys/libkern/lshldi3.c b/sys/libkern/lshldi3.c deleted file mode 100644 index e9dd9ae..0000000 --- a/sys/libkern/lshldi3.c +++ /dev/null @@ -1,64 +0,0 @@ -/*- - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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. - * - * $FreeBSD$ - */ - -#include <libkern/quad.h> - -/* - * Shift an (unsigned) quad value left (logical shift left). - * This is the same as arithmetic shift left! - */ -quad_t -__lshldi3(a, shift) - quad_t a; - qshift_t shift; -{ - union uu aa; - - aa.q = a; - if (shift >= LONG_BITS) { - aa.ul[H] = shift >= QUAD_BITS ? 0 : - aa.ul[L] << (shift - LONG_BITS); - aa.ul[L] = 0; - } else if (shift > 0) { - aa.ul[H] = (aa.ul[H] << shift) | - (aa.ul[L] >> (LONG_BITS - shift)); - aa.ul[L] <<= shift; - } - return (aa.q); -} |