Merge changes between r1382 and r1748 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@1749 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 58 insertions, 0 deletions

diff --git a/libc/sysdeps/alpha/fpu/s_fmax.S b/libc/sysdeps/alpha/fpu/s_fmax.S
new file mode 100644
index 000000000..4f2ace7d1
--- /dev/null
+++ b/libc/sysdeps/alpha/fpu/s_fmax.S
@@ -0,0 +1,58 @@
+/* Copyright (C) 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+        .set noat
+	.set noreorder
+
+	.text
+ENTRY (__fmax)
+	.prologue 0
+
+	cmptun/su	$f16, $f16, $f10
+	cmptun/su	$f17, $f17, $f11
+	fmov		$f17, $f0
+	unop
+
+	trapb
+	fbne		$f10, $ret
+	fmov		$f16, $f0
+	fbne		$f11, $ret
+
+	cmptlt/su	$f16, $f17, $f11
+	trapb
+	fcmovne		$f11, $f17, $f0
+$ret:	ret
+
+END (__fmax)
+
+/* Given the in-register format of single-precision, this works there too.  */
+strong_alias (__fmax, __fmaxf)
+weak_alias (__fmaxf, fmaxf)
+
+weak_alias (__fmax, fmax)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fmax, __fmaxl)
+weak_alias (__fmaxl, fmaxl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __fmax, fmaxl, GLIBC_2_0);
+#endif