@@ -60,7 +60,7 @@ __MATHCALL (atan,, (_Mdouble_ __x));
__MATHCALL (atan2,, (_Mdouble_ __y, _Mdouble_ __x));
/* Cosine of X. */
-__MATHCALL (cos,, (_Mdouble_ __x));
+__MATHCALL_VEC (cos,, (_Mdouble_ __x));
/* Sine of X. */
__MATHCALL (sin,, (_Mdouble_ __x));
/* Tangent of X. */
b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
new file mode 100644
@@ -0,0 +1,5 @@
+GLIBC_2.21
+ GLIBC_2.21 A
+ _ZGVbN2v_cos F
+ _ZGVcN4v_cos F
+ _ZGVdN4v_cos F
b/sysdeps/x86/fpu/bits/math-vector.h
new file mode 100644
@@ -0,0 +1,37 @@
+/* Platform-specific SIMD declarations of math functions.
+ Copyright (C) 2014 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/>. */
+
+#ifndef _MATH_H
+# error "Never include <bits/math-vector.h> directly; \
+ include <math.h> instead."
+#endif
+
+/* Get default empty definitions for simd declarations. */
+#include <bits/libm-simd-decl-stubs.h>
+
+#if defined __x86_64__ && defined __FAST_MATH__
+# if defined _OPENMP && _OPENMP >= 201307
+/* OpenMP case. */
+/* TODO Put here link to document about pragma meaning. */
+# define __DECL_SIMD_VLEN2_SSE4 _Pragma ("omp declare simd
notinbranch simdlen(2)")
+# define __DECL_SIMD_VLEN4_AVX _Pragma ("omp declare simd
notinbranch simdlen(4)")
+# define __DECL_SIMD_VLEN4_AVX2 _Pragma ("omp declare simd
notinbranch simdlen(4)")
+# undef __DECL_SIMD_cos
+# define __DECL_SIMD_cos __DECL_SIMD_VLEN2_SSE4 __DECL_SIMD_VLEN4_AVX2
+# endif
+#endif
@@ -275,6 +275,10 @@ fi
config_vars="$config_vars
config-cflags-avx2 = $libc_cv_cc_avx2"
+if test x"$build_mathvec" = xnotset; then
+ build_mathvec=yes
+fi
+
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
# work around problem with autoconf and empty lines at the end of files
@@ -99,6 +99,10 @@ if test $libc_cv_cc_avx2 = yes; then
fi
LIBC_CONFIG_VAR([config-cflags-avx2], [$libc_cv_cc_avx2])
+if test x"$build_mathvec" = xnotset; then
+ build_mathvec=yes
+fi
+
dnl It is always possible to access static and hidden symbols in an
dnl position independent way.
AC_DEFINE(PI_STATIC_AND_HIDDEN)
new file mode 100644
@@ -0,0 +1,4 @@
+ifeq ($(subdir),mathvec)
+libmvec-support += svml_d_cos2_core svml_d_cos4_core_avx \
+ svml_d_cos4_core_avx2 svml_d_cos_data
+endif