PowerPC: multiarch logb/logbl/logbf for PowerPC64

1 files changed, 41 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
new file mode 100644
index 0000000000..e14bfa2ca3
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
@@ -0,0 +1,41 @@
+/* Multiple versions of logb.
+   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 (__logb) __logb_ppc64 attribute_hidden;
+extern __typeof (__logb) __logb_power7 attribute_hidden;
+
+libc_ifunc (__logb,
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
+	    ? __logb_power7
+            : __logb_ppc64);
+
+weak_alias (__logb, logb)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__logb, __logbl)
+weak_alias (__logb, logbl)
+#endif
+
+#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
+compat_symbol (libm, logb, logbl, GLIBC_2_0);
+#endif