PowerPC: multiarch isnan/isnanf for PowerPC64

1 files changed, 53 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
new file mode 100644
index 0000000000..70353df91a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c
@@ -0,0 +1,53 @@
+/* Multiple versions of isnan.
+   Copyright (C) 2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_ldbl_opt.h>
+#include <shlib-compat.h>
+#include "init-arch.h"
+
+extern __typeof (__isnan) __isnan_ppc64 attribute_hidden;
+extern __typeof (__isnan) __isnan_power5 attribute_hidden;
+extern __typeof (__isnan) __isnan_power6 attribute_hidden;
+extern __typeof (__isnan) __isnan_power6x attribute_hidden;
+extern __typeof (__isnan) __isnan_power7 attribute_hidden;
+
+libc_ifunc (__isnan,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __isnan_power7 :
+	      (hwcap & PPC_FEATURE_POWER6_EXT)
+		? __isnan_power6x :
+		(hwcap & PPC_FEATURE_ARCH_2_05)
+		  ? __isnan_power6 :
+		  (hwcap & PPC_FEATURE_POWER5)
+		    ? __isnan_power5
+            : __isnan_ppc64);
+
+weak_alias (__isnan, isnan)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
+compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
+# endif
+#endif