PowerPC: multiarch lround/lrounf for PowerPC32

1 files changed, 34 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lroundf.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lroundf.c
new file mode 100644
index 0000000000..3080637c58
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lroundf.c
@@ -0,0 +1,34 @@
+/* Multiple versions of lroundf.
+   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 "init-arch.h"
+
+/* It's safe to use double-precision implementation for single-precision.  */
+extern __typeof (__lroundf) __lround_ppc32 attribute_hidden;
+extern __typeof (__lroundf) __lround_power5plus attribute_hidden;
+extern __typeof (__lroundf) __lround_power6x attribute_hidden;
+
+libc_ifunc (__lroundf,
+	    (hwcap & PPC_FEATURE_POWER6_EXT) ?
+	      __lround_power6x
+		: (hwcap & PPC_FEATURE_POWER5_PLUS) ?
+		  __lround_power5plus
+            : __lround_ppc32);
+
+weak_alias (__lroundf, lroundf)