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Current Path: /usr/src/lib/libc/powerpc64/gen

usr / src / lib / libc / powerpc64 / gen /

📁 ..
📄 Makefile.inc(260 B)
📄 _ctx_start.S(1.94 KB)
📄 _set_tp.c(1.5 KB)
📄 _setjmp.S(4.1 KB)
📄 fabs.S(1.48 KB)
📄 flt_rounds.c(2.16 KB)
📄 fpgetmask.c(1.81 KB)
📄 fpgetround.c(1.8 KB)
📄 fpgetsticky.c(1.91 KB)
📄 fpsetmask.c(1.96 KB)
📄 fpsetround.c(1.95 KB)
📄 infinity.c(578 B)
📄 makecontext.c(3.61 KB)
📄 setjmp.S(4.92 KB)
📄 signalcontext.c(3.19 KB)
📄 sigsetjmp.S(4.74 KB)
📄 syncicache.c(3.07 KB)

Editing: flt_rounds.c

/*	$NetBSD: flt_rounds.c,v 1.4.10.3 2002/03/22 20:41:53 nathanw Exp $	*/

/*-
 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
 *
 * Copyright (c) 1996 Mark Brinicombe
 * All rights reserved.
 *
 * 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 Mark Brinicombe
 *	for the NetBSD Project.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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>
__FBSDID("$FreeBSD$");

#include <sys/types.h>
#include <machine/float.h>

#ifndef _SOFT_FLOAT
static const int map[] = {
	1,	/* round to nearest */
	0,	/* round to zero */
	2,	/* round to positive infinity */
	3	/* round to negative infinity */
};

int
__flt_rounds()
{
	uint64_t fpscr;

__asm__ __volatile("mffs %0" : "=f"(fpscr));
	return map[(fpscr & 0x03)];
}
#endif

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Editing: flt_rounds.c

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