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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:08:59 +0000
commite84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch)
treedff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/ia64/fpu/s_isnan.S
parent75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff)
parente64ac02c24b43659048622714afdc92fedf561fa (diff)
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Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/ia64/fpu/s_isnan.S')
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diff --git a/ports/sysdeps/ia64/fpu/s_isnan.S b/ports/sysdeps/ia64/fpu/s_isnan.S
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+/* Test for NaN
+   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <jes@linuxcare.com>, October 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ * isnan(x) returns 1 is x is nan, else 0;
+ */
+
+#include <sysdep.h>
+#undef ret
+
+ENTRY (__isnan)
+{
+.mfi
+	fclass.m p6, p7 = farg0, @nat | @qnan | @snan
+	;;
+}
+{
+.mib
+(p6)	mov ret0 = 1
+(p7)	mov ret0 = 0
+	br.ret.sptk.many rp
+}
+END (__isnan)
+
+strong_alias (__isnan, __isnanf)
+strong_alias (__isnan, __isnanl)
+
+weak_alias (__isnan, isnan)
+weak_alias (__isnanf, isnanf)
+weak_alias (__isnanl, isnanl)
+
+hidden_def (__isnan)
+hidden_def (__isnanf)
+hidden_def (__isnanl)