diff options
Diffstat (limited to 'lib/libc/arch/hppa/gen/fpsetsticky.c')
| -rw-r--r-- | lib/libc/arch/hppa/gen/fpsetsticky.c | 47 |
1 files changed, 7 insertions, 40 deletions
diff --git a/lib/libc/arch/hppa/gen/fpsetsticky.c b/lib/libc/arch/hppa/gen/fpsetsticky.c index d3346a47290..0a86282d2a4 100644 --- a/lib/libc/arch/hppa/gen/fpsetsticky.c +++ b/lib/libc/arch/hppa/gen/fpsetsticky.c @@ -1,40 +1,7 @@ -/* $OpenBSD: fpsetsticky.c,v 1.1 2002/03/11 02:59:01 miod Exp $ */ -/* $NetBSD: fpsetsticky.c,v 1.1 1999/07/07 01:55:08 danw Exp $ */ +/* $OpenBSD: fpsetsticky.c,v 1.2 2002/05/22 20:05:01 miod Exp $ */ /* - * Copyright (c) 1999 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Dan Winship. - * - * 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 NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + * Written by Miodrag Vallat. Public domain */ #include <sys/types.h> @@ -44,12 +11,12 @@ fp_except fpsetsticky(mask) fp_except mask; { - u_int64_t fpscr; + u_int32_t fpsr; fp_rnd old; - __asm__ __volatile("mffs %0" : "=f"(fpscr)); - old = (fpscr >> 25) & 0x1f; - fpscr = (fpscr & 0xc1ffffff) | (mask << 25); - __asm__ __volatile("mtfsf 0xff,%0" :: "f"(fpscr)); + __asm__ __volatile__("fstw %%fr0,0(%1)" : "=m"(fpsr) : "r"(&fpsr)); + old = (fpsr >> 27) & 0x1f; + fpsr = (fpsr & 0x07ffffff) | ((mask & 0x1f) << 27); + __asm__ __volatile__("fldw 0(%0),%%fr0" : : "r"(&fpsr)); return (old); } |