More fp-related libc pieces for hppa.

This enables awk to link.

1 files changed, 55 insertions, 0 deletions

diff --git a/lib/libc/arch/hppa/gen/fpsetsticky.c b/lib/libc/arch/hppa/gen/fpsetsticky.c
new file mode 100644
index 00000000000..d3346a47290
--- /dev/null
+++ b/lib/libc/arch/hppa/gen/fpsetsticky.c
@@ -0,0 +1,55 @@
+/*	$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 $	*/
+
+/*
+ * 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.
+ */
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+fp_except
+fpsetsticky(mask)
+	fp_except mask;
+{
+	u_int64_t fpscr;
+	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));
+	return (old);
+}