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Diffstat (limited to 'sysdeps/x86_64/fpu/multiarch/e_pow.c')
-rw-r--r--sysdeps/x86_64/fpu/multiarch/e_pow.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/e_pow.c b/sysdeps/x86_64/fpu/multiarch/e_pow.c
index a5c5d89c3e..084073c936 100644
--- a/sysdeps/x86_64/fpu/multiarch/e_pow.c
+++ b/sysdeps/x86_64/fpu/multiarch/e_pow.c
@@ -1,17 +1,29 @@
-#include <init-arch.h>
-#include <math.h>
-#include <math_private.h>
+/* Multiple versions of IEEE 754 pow.
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-extern double __ieee754_pow_sse2 (double, double);
-extern double __ieee754_pow_fma4 (double, double);
+ 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.
-libm_ifunc (__ieee754_pow,
- HAS_ARCH_FEATURE (FMA4_Usable)
- ? __ieee754_pow_fma4
- : __ieee754_pow_sse2);
-strong_alias (__ieee754_pow, __pow_finite)
+ 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.
-#define __ieee754_pow __ieee754_pow_sse2
+ 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/>. */
+
+extern double __redirect_ieee754_pow (double, double);
+#define SYMBOL_NAME ieee754_pow
+#include "ifunc-fma4.h"
+libc_ifunc_redirected (__redirect_ieee754_pow,
+ __ieee754_pow, IFUNC_SELECTOR ());
+strong_alias (__ieee754_pow, __pow_finite)
+
+#define __ieee754_pow __ieee754_pow_sse2
#include <sysdeps/ieee754/dbl-64/e_pow.c>