vlog_.c revision 25c28e83beb90e7c80452a7c818c5e6f73a07dc8
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
extern void __vlog(int, double *, int, double *, int);
#if !defined(LIBMVEC_SO_BUILD)
#if defined(ARCH_v8plusa) || defined(ARCH_v8plusb) || defined(ARCH_v9a) || defined(ARCH_v9b)
#define CHECK_ULTRA3
#endif
#endif /* !defined(LIBMVEC_SO_BUILD) */
#ifdef CHECK_ULTRA3
#include <strings.h>
#define sysinfo _sysinfo
#include <sys/systeminfo.h>
#define BUFLEN 257
static int use_ultra3 = 0;
extern void __vlog_ultra3(int, double *, int, double *, int);
#endif
#pragma weak vlog_ = __vlog_
/* just invoke the serial function */
void
__vlog_(int *n, double *x, int *stridex, double *y, int *stridey)
{
#ifdef CHECK_ULTRA3
int u;
char buf[BUFLEN];
u = use_ultra3;
if (!u) {
/* use __vlog_ultra3 on Cheetah (and ???) */
if (sysinfo(SI_ISALIST, buf, BUFLEN) > 0 && !strncmp(buf, "sparcv9+vis2", 12))
u = 3;
else
u = 1;
use_ultra3 = u;
}
if (u & 2)
__vlog_ultra3(*n, x, *stridex, y, *stridey);
else
#endif
__vlog(*n, x, *stridex, y, *stridey);
}