From c406e3fa5ecce56b1398b863b1fb0b4239040e8c Mon Sep 17 00:00:00 2001
From: Jason Wright <jason@cvs.openbsd.org>
Date: Sat, 8 Sep 2001 22:52:52 +0000
Subject: From NetBSD: debugging stuff to dump fpn's

---
 sys/arch/sparc64/fpu/fpu.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/sys/arch/sparc64/fpu/fpu.c b/sys/arch/sparc64/fpu/fpu.c
index 2f4d8137fe9..b691dfc214c 100644
--- a/sys/arch/sparc64/fpu/fpu.c
+++ b/sys/arch/sparc64/fpu/fpu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fpu.c,v 1.1 2001/09/08 22:33:51 jason Exp $	*/
+/*	$OpenBSD: fpu.c,v 1.2 2001/09/08 22:52:51 jason Exp $	*/
 /*	$NetBSD: fpu.c,v 1.11 2000/12/06 01:47:50 mrg Exp $ */
 
 /*
@@ -58,6 +58,23 @@
 #include <sparc64/fpu/fpu_emu.h>
 #include <sparc64/fpu/fpu_extern.h>
 
+#ifdef DEBUG
+int fpe_debug = 0;
+
+/*
+ * Dump a `fpn' structure.
+ */
+void
+fpu_dumpfpn(struct fpn *fp)
+{
+	static char *class[] = { "SNAN", "QNAN", "ZERO", "NUM", "INF" };
+
+	printf("%s %c.%x %x %x %xE%d", class[fp->fp_class + 2],
+	    fp->fp_sign ? '-' : ' ', fp->fp_mant[0], fp->fp_mant[1],
+	    fp->fp_mant[2], fp->fp_mant[3], fp->fp_exp);
+}
+#endif
+
 /*
  * fpu_execute returns the following error numbers (0 = no error):
  */
-- 
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