* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.

* sysdeps/alpha/fpu/s_ceilf.c: Likewise. 
* sysdeps/alpha/fpu/s_floor.c: Likewise. 
* sysdeps/alpha/fpu/s_floorf.c: Likewise. 
* sysdeps/alpha/fpu/s_rint.c: Likewise. 
* sysdeps/alpha/fpu/s_rintf.c: Likewise.
	* sysdeps/alpha/fpu/s_fmax.S: New file.
	* sysdeps/alpha/fpu/s_fmaxf.S: New file.
	* sysdeps/alpha/fpu/s_fmin.S: New file.
	* sysdeps/alpha/fpu/s_fminf.S: New file.
	* sysdeps/alpha/fpu/s_isnan.c: New file.
	* sysdeps/alpha/fpu/s_isnanf.c: New file.
	* sysdeps/alpha/fpu/s_llrint.c: New file.
	* sysdeps/alpha/fpu/s_llrintf.c: New file.
	* sysdeps/alpha/fpu/s_lrint.c: New file.
	* sysdeps/alpha/fpu/s_lrintf.c: New file.
	* sysdeps/alpha/fpu/s_nearbyint.c: New file.
	* sysdeps/alpha/fpu/s_nearbyintf.c: New file.

	* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
	(__fdimf, fdimf, __fdim, fdim): Remove.
	(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
	(__isnanf, __isnan, __isnanl): New.
2007-03-14  Richard Henderson  <rth@redhat.com>

	* sysdeps/alpha/fpu/s_ceil.c: Rewrite without branches.
	* sysdeps/alpha/fpu/s_ceilf.c: Likewise.
	* sysdeps/alpha/fpu/s_floor.c: Likewise.
	* sysdeps/alpha/fpu/s_floorf.c: Likewise.
	* sysdeps/alpha/fpu/s_rint.c: Likewise.
	* sysdeps/alpha/fpu/s_rintf.c: Likewise.

	* sysdeps/alpha/fpu/s_fmax.S: New file.
	* sysdeps/alpha/fpu/s_fmaxf.S: New file.
	* sysdeps/alpha/fpu/s_fmin.S: New file.
	* sysdeps/alpha/fpu/s_fminf.S: New file.
	* sysdeps/alpha/fpu/s_isnan.c: New file.
	* sysdeps/alpha/fpu/s_isnanf.c: New file.
	* sysdeps/alpha/fpu/s_llrint.c: New file.
	* sysdeps/alpha/fpu/s_llrintf.c: New file.
	* sysdeps/alpha/fpu/s_lrint.c: New file.
	* sysdeps/alpha/fpu/s_lrintf.c: New file.
	* sysdeps/alpha/fpu/s_nearbyint.c: New file.
	* sysdeps/alpha/fpu/s_nearbyintf.c: New file.

	* sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor): Remove.
	(__fdimf, fdimf, __fdim, fdim): Remove.
	(__signbitf, __signbit, __signbitl): Use gcc builtin if available.
	(__isnanf, __isnan, __isnanl): New.

1 files changed, 58 insertions, 0 deletions

diff --git a/sysdeps/alpha/fpu/s_isnan.c b/sysdeps/alpha/fpu/s_isnan.c
new file mode 100644
index 0000000000..4403a50bb0
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_isnan.c
@@ -0,0 +1,58 @@
+/* Return 1 if argument is a NaN, else 0.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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.  */
+
+/* Ugly kludge to avoid declarations.  */
+#define __isnanf	not___isnanf
+#define isnanf		not_isnanf
+#define __GI___isnanf	not__GI___isnanf
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+
+#undef __isnanf
+#undef isnanf
+#undef __GI___isnanf
+
+/* The hidden_proto in include/math.h was obscured by the macro hackery.  */
+__typeof (__isnan) __isnanf;
+hidden_proto (__isnanf)
+
+
+int
+__isnan (double x)
+{
+  return isunordered (x, x);
+}
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+/* It turns out that the 'double' version will also always work for
+   single-precision.  */
+strong_alias (__isnan, __isnanf)
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
+compat_symbol (libm, __isnan, isnanl, GLIBC_2_0);
+#endif