diff options
Diffstat (limited to 'usr/src/lib/libc/sparc/crt/mul64.c')
-rw-r--r-- | usr/src/lib/libc/sparc/crt/mul64.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/usr/src/lib/libc/sparc/crt/mul64.c b/usr/src/lib/libc/sparc/crt/mul64.c deleted file mode 100644 index 16b10f1fec..0000000000 --- a/usr/src/lib/libc/sparc/crt/mul64.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright (c) 1991-1997, by Sun Microsystems, Inc. - * All rights reserved. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include "synonyms.h" - -/* - * These routines are to support the compiler run-time only, and - * should NOT be called directly from C! - */ - -extern unsigned long long __umul32x32to64(unsigned, unsigned); - -long long -__mul64(long long i, long long j) -{ - unsigned i0, i1, j0, j1; - int sign = 0; - long long result = 0; - - if (i < 0) { - i = -i; - sign = 1; - } - if (j < 0) { - j = -j; - sign ^= 1; - } - - i1 = (unsigned)i; - j0 = j >> 32; - j1 = (unsigned)j; - - if (j1) { - if (i1) - result = __umul32x32to64(i1, j1); - if ((i0 = i >> 32) != 0) - result += ((unsigned long long)(i0 * j1)) << 32; - } - if (j0 && i1) - result += ((unsigned long long)(i1 * j0)) << 32; - return (sign ? -result : result); -} - - -unsigned long long -__umul64(unsigned long long i, unsigned long long j) -{ - unsigned i0, i1, j0, j1; - unsigned long long result = 0; - - i1 = i; - j0 = j >> 32; - j1 = j; - - if (j1) { - if (i1) - result = __umul32x32to64(i1, j1); - if ((i0 = i >> 32) != 0) - result += ((unsigned long long)(i0 * j1)) << 32; - } - if (j0 && i1) - result += ((unsigned long long)(i1 * j0)) << 32; - return (result); -} |