diff --git a/math/Makefile b/math/Makefile
index 9a3cf32..57c32e2 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -115,8 +115,9 @@ tests-static = test-fpucw-static test-fpucw-ieee-static
 test-longdouble-yes = test-ldouble test-ildoubl
 
 ifneq (no,$(PERL))
+libm-vec-tests = $(addprefix test-,$(libmvec-tests))
 libm-tests = test-float test-double $(test-longdouble-$(long-double-fcts)) \
-	test-ifloat test-idouble
+	test-ifloat test-idouble $(libm-vec-tests)
 libm-tests.o = $(addsuffix .o,$(libm-tests))
 
 tests += $(libm-tests)
@@ -143,8 +144,38 @@ $(objpfx)test-double.o: $(objpfx)libm-test.stmp
 $(objpfx)test-idouble.o: $(objpfx)libm-test.stmp
 $(objpfx)test-ldouble.o: $(objpfx)libm-test.stmp
 $(objpfx)test-ildoubl.o: $(objpfx)libm-test.stmp
+
+$(addprefix $(objpfx), $(addsuffix .o, $(libm-vec-tests))): $(objpfx)libm-test.stmp
+
+$(objpfx)test-double-vlen2: $(libmvec) $(objpfx)init-arch.o \
+			    $(objpfx)test-double-vlen2-wrappers.o
+
+$(objpfx)test-double-vlen4: $(libmvec) $(objpfx)init-arch.o \
+			    $(objpfx)test-double-vlen4-wrappers.o
+
+$(objpfx)test-double-vlen4-avx2: $(libmvec) $(objpfx)init-arch.o \
+				 $(objpfx)test-double-vlen4-avx2-wrappers.o
+
+$(objpfx)test-double-vlen8: $(libmvec) $(objpfx)init-arch.o \
+			    $(objpfx)test-double-vlen8-wrappers.o
 endif
 
+libm-test-fast-math-cflags = -fno-builtin -D__FAST_MATH__ -DTEST_FAST_MATH
+libm-test-vec-cflags = $(libm-test-fast-math-cflags) -fno-inline \
+		       -ffloat-store -D_OPENMP=201307 -Wno-unknown-pragmas
+
+CFLAGS-test-double-vlen2.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen2-wrappers.c = $(double-vlen2-arch-ext-cflags)
+
+CFLAGS-test-double-vlen4.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen4-wrappers.c = $(double-vlen4-arch-ext-cflags)
+
+CFLAGS-test-double-vlen4-avx2.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen4-avx2-wrappers.c = $(double-vlen4-arch-ext2-cflags)
+
+CFLAGS-test-double-vlen8.c = $(libm-test-vec-cflags)
+CFLAGS-test-double-vlen8-wrappers.c = $(double-vlen8-arch-ext-cflags)
+
 CFLAGS-test-float.c = -fno-inline -ffloat-store -fno-builtin
 CFLAGS-test-double.c = -fno-inline -ffloat-store -fno-builtin
 CFLAGS-test-ldouble.c = -fno-inline -ffloat-store -fno-builtin
@@ -155,12 +186,12 @@ CFLAGS-test-tgmath.c = -fno-builtin
 CFLAGS-test-tgmath2.c = -fno-builtin
 CFLAGS-test-tgmath-ret.c = -fno-builtin
 CFLAGS-test-powl.c = -fno-builtin
-CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
-			 -DTEST_FAST_MATH -fno-builtin
-CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
-			  -DTEST_FAST_MATH -fno-builtin
-CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES -D__FAST_MATH__ \
-			  -DTEST_FAST_MATH -fno-builtin
+CPPFLAGS-test-ifloat.c = -U__LIBC_INTERNAL_MATH_INLINES \
+			 $(libm-test-fast-math-cflags)
+CPPFLAGS-test-idouble.c = -U__LIBC_INTERNAL_MATH_INLINES \
+			  $(libm-test-fast-math-cflags)
+CPPFLAGS-test-ildoubl.c = -U__LIBC_INTERNAL_MATH_INLINES \
+			  $(libm-test-fast-math-cflags)
 
 
 # The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
diff --git a/math/test-double-vlen2.h b/math/test-double-vlen2.h
new file mode 100644
index 0000000..31c8c17
--- /dev/null
+++ b/math/test-double-vlen2.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 2014-2015 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/>.  */
+
+#define FLOAT double
+#define FUNC(function) function
+#define TEST_MSG "testing double vector math (without inline functions)\n"
+#define MATHCONST(x) x
+#define CHOOSE(Clongdouble,Cdouble,Cfloat,Cinlinelongdouble,Cinlinedouble,Cinlinefloat) Cdouble
+#define PRINTF_EXPR "e"
+#define PRINTF_XEXPR "a"
+#define PRINTF_NEXPR "f"
+#define TEST_DOUBLE 1
+#define TEST_MATHVEC 1
+
+#ifndef __NO_MATH_INLINES
+# define __NO_MATH_INLINES
+#endif
+
+#define EXCEPTION_TESTS_double 0
+#define ROUNDING_TESTS_double(MODE) ((MODE) == FE_TONEAREST)
+
+#define CNCT(x, y) x ## y
+#define CONCAT(a, b) CNCT (a, b)
+
+#define VEC_SUFF _vlen2
+#define WRAPPER_NAME(function) CONCAT (function, VEC_SUFF)
+
+#define FUNC_TEST(function) function ## _VEC_SUFF
+
+#define WRAPPER_DECL(function) extern FLOAT function (FLOAT);
diff --git a/math/test-double-vlen4.h b/math/test-double-vlen4.h
new file mode 100644
index 0000000..b36735f
--- /dev/null
+++ b/math/test-double-vlen4.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 2014-2015 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/>.  */
+
+#define FLOAT double
+#define FUNC(function) function
+#define TEST_MSG "testing double vector math (without inline functions)\n"
+#define MATHCONST(x) x
+#define CHOOSE(Clongdouble,Cdouble,Cfloat,Cinlinelongdouble,Cinlinedouble,Cinlinefloat) Cdouble
+#define PRINTF_EXPR "e"
+#define PRINTF_XEXPR "a"
+#define PRINTF_NEXPR "f"
+#define TEST_DOUBLE 1
+#define TEST_MATHVEC 1
+
+#ifndef __NO_MATH_INLINES
+# define __NO_MATH_INLINES
+#endif
+
+#define EXCEPTION_TESTS_double 0
+#define ROUNDING_TESTS_double(MODE) ((MODE) == FE_TONEAREST)
+
+#define CNCT(x, y) x ## y
+#define CONCAT(a, b) CNCT (a, b)
+
+#define VEC_SUFF _vlen4
+#define WRAPPER_NAME(function) CONCAT (function, VEC_SUFF)
+
+#define FUNC_TEST(function) function ## _VEC_SUFF
+
+#define WRAPPER_DECL(function) extern FLOAT function (FLOAT);
diff --git a/math/test-double-vlen8.h b/math/test-double-vlen8.h
new file mode 100644
index 0000000..3848a25
--- /dev/null
+++ b/math/test-double-vlen8.h
@@ -0,0 +1,44 @@
+/* Copyright (C) 2014-2015 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/>.  */
+
+#define FLOAT double
+#define FUNC(function) function
+#define TEST_MSG "testing double vector math (without inline functions)\n"
+#define MATHCONST(x) x
+#define CHOOSE(Clongdouble,Cdouble,Cfloat,Cinlinelongdouble,Cinlinedouble,Cinlinefloat) Cdouble
+#define PRINTF_EXPR "e"
+#define PRINTF_XEXPR "a"
+#define PRINTF_NEXPR "f"
+#define TEST_DOUBLE 1
+#define TEST_MATHVEC 1
+
+#ifndef __NO_MATH_INLINES
+# define __NO_MATH_INLINES
+#endif
+
+#define EXCEPTION_TESTS_double 0
+#define ROUNDING_TESTS_double(MODE) ((MODE) == FE_TONEAREST)
+
+#define CNCT(x, y) x ## y
+#define CONCAT(a, b) CNCT (a, b)
+
+#define VEC_SUFF _vlen8
+#define WRAPPER_NAME(function) CONCAT (function, VEC_SUFF)
+
+#define FUNC_TEST(function) function ## _VEC_SUFF
+
+#define WRAPPER_DECL(function) extern FLOAT function (FLOAT);
diff --git a/math/test-vec-loop.h b/math/test-vec-loop.h
new file mode 100644
index 0000000..a4f65d7
--- /dev/null
+++ b/math/test-vec-loop.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2014-2015 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/>.  */
+
+/* This macro is used in VECTOR_WRAPPER macros for vector tests.  */
+#define TEST_VEC_LOOP(len) 					\
+  do								\
+    {								\
+      for (i = 1; i < len; i++)					\
+        {							\
+          if ((FLOAT) mr[0] != (FLOAT) mr[i])			\
+            {							\
+              return ((FLOAT) mr[0] + 0.1);			\
+            }							\
+        }							\
+      return ((FLOAT) mr[0]);				\
+    }								\
+  while (0)
diff --git a/sysdeps/x86_64/fpu/Makefile b/sysdeps/x86_64/fpu/Makefile
index 2f16323..d9400a8 100644
--- a/sysdeps/x86_64/fpu/Makefile
+++ b/sysdeps/x86_64/fpu/Makefile
@@ -3,3 +3,20 @@ libmvec-support += svml_d_cos2_core svml_d_cos4_core_avx \
 		   svml_d_cos4_core svml_d_cos8_core \
 		   svml_d_cos_data init-arch
 endif
+
+# Rules for libmvec tests.
+ifeq ($(subdir),math)
+ifeq ($(build-mathvec),yes)
+libmvec-tests += double-vlen2 double-vlen4 double-vlen4-avx2
+
+ifeq (yes,$(config-cflags-avx512))
+libmvec-tests += double-vlen8
+endif
+
+double-vlen2-arch-ext-cflags = -msse4
+double-vlen4-arch-ext-cflags = -mavx
+double-vlen4-arch-ext2-cflags = -mavx2
+double-vlen8-arch-ext-cflags = -mavx512f
+
+endif
+endif
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index e60cc1b..0d1f6e8 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -965,6 +965,18 @@ idouble: 1
 ildouble: 2
 ldouble: 2
 
+Function: "cos_vlen2":
+double: 1
+
+Function: "cos_vlen4":
+double: 1
+
+Function: "cos_vlen4_avx2":
+double: 1
+
+Function: "cos_vlen8":
+double: 1
+
 Function: "cosh":
 double: 1
 float: 1
diff --git a/sysdeps/x86_64/fpu/math-tests-arch.h b/sysdeps/x86_64/fpu/math-tests-arch.h
new file mode 100644
index 0000000..56714f5
--- /dev/null
+++ b/sysdeps/x86_64/fpu/math-tests-arch.h
@@ -0,0 +1,65 @@
+/* Runtime architecture check for math tests. x86_64 version.
+   Copyright (C) 2014-2015 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/>.  */
+
+#if defined REQUIRE_AVX2
+# include <init-arch.h>
+
+  /* Set to 1 if AVX2 supported.  */
+  static int avx2_usable;
+
+# define INIT_ARCH_EXT                                         \
+  do                                                           \
+    {                                                          \
+      __init_cpu_features ();                                  \
+      avx2_usable = __cpu_features.feature[index_AVX2_Usable]  \
+                  & bit_AVX2_Usable;                           \
+    }                                                          \
+  while (0)
+
+# define CHECK_ARCH_EXT                                        \
+  do                                                           \
+    {                                                          \
+      if (!avx2_usable) return;                                \
+    }                                                          \
+  while (0)
+
+#elif defined REQUIRE_AVX512F
+# include <init-arch.h>
+
+  /* Set to 1 if supported.  */
+  static int avx512f_usable;
+
+# define INIT_ARCH_EXT                                                \
+  do                                                                  \
+    {                                                                 \
+      __init_cpu_features ();                                         \
+      avx512f_usable = __cpu_features.feature[index_AVX512F_Usable]   \
+		       & bit_AVX512F_Usable;                          \
+    }                                                                 \
+  while (0)
+
+# define CHECK_ARCH_EXT                                        \
+  do                                                           \
+    {                                                          \
+      if (!avx512f_usable) return;                             \
+    }                                                          \
+  while (0)
+
+#else
+# include <sysdeps/generic/math-tests-arch.h>
+#endif
diff --git a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
new file mode 100644
index 0000000..0b1cb92
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
@@ -0,0 +1,34 @@
+/* Tests for SSE ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen2.h"
+#include "test-vec-loop.h"
+#include <immintrin.h>
+
+// Wrapper from scalar to vector function implemented in SSE4.
+#define VECTOR_WRAPPER(scalar_func, vector_func) \
+extern __m128d vector_func (__m128d);		\
+FLOAT scalar_func (FLOAT x)			\
+{						\
+  int i;					\
+  __m128d mx = _mm_set1_pd (x);			\
+  __m128d mr = vector_func (mx);		\
+  TEST_VEC_LOOP (2);				\
+}
+
+VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVbN2v_cos)
diff --git a/sysdeps/x86_64/fpu/test-double-vlen2.c b/sysdeps/x86_64/fpu/test-double-vlen2.c
new file mode 100644
index 0000000..30c0aaf
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen2.c
@@ -0,0 +1,25 @@
+/* Tests for SSE ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen2.h"
+
+WRAPPER_DECL (WRAPPER_NAME (cos))
+
+#define TEST_VECTOR_cos 1
+
+#include "libm-test.c"
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
new file mode 100644
index 0000000..340c904
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
@@ -0,0 +1,37 @@
+/* Tests for AVX2 ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen4.h"
+#include "test-vec-loop.h"
+#include <immintrin.h>
+
+// Wrapper from scalar to vector function implemented in AVX2.
+#define VECTOR_WRAPPER(scalar_func, vector_func) \
+extern __m256d vector_func (__m256d);		\
+FLOAT scalar_func (FLOAT x)			\
+{						\
+  int i;					\
+  __m256d mx = _mm256_set1_pd (x);		\
+  __m256d mr = vector_func (mx);		\
+  TEST_VEC_LOOP (4);				\
+}
+
+#undef VEC_SUFF
+#define VEC_SUFF _vlen4_avx2
+
+VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVdN4v_cos)
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-avx2.c b/sysdeps/x86_64/fpu/test-double-vlen4-avx2.c
new file mode 100644
index 0000000..b002650
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-avx2.c
@@ -0,0 +1,30 @@
+/* Tests for AVX2 ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen4.h"
+
+#undef VEC_SUFF
+#define VEC_SUFF _vlen4_avx2
+
+WRAPPER_DECL (WRAPPER_NAME (cos))
+
+#define TEST_VECTOR_cos 1
+
+#define REQUIRE_AVX2
+
+#include "libm-test.c"
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
new file mode 100644
index 0000000..dae4f2f
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
@@ -0,0 +1,34 @@
+/* Tests for AVX ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen4.h"
+#include "test-vec-loop.h"
+#include <immintrin.h>
+
+// Wrapper from scalar to vector function implemented in AVX.
+#define VECTOR_WRAPPER(scalar_func, vector_func) \
+extern __m256d vector_func (__m256d);		\
+FLOAT scalar_func (FLOAT x)			\
+{						\
+  int i;					\
+  __m256d mx = _mm256_set1_pd (x);		\
+  __m256d mr = vector_func (mx);		\
+  TEST_VEC_LOOP (4);				\
+}
+
+VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVcN4v_cos)
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4.c b/sysdeps/x86_64/fpu/test-double-vlen4.c
new file mode 100644
index 0000000..8997976
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen4.c
@@ -0,0 +1,25 @@
+/* Tests for AVX ISA versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen4.h"
+
+WRAPPER_DECL (WRAPPER_NAME (cos))
+
+#define TEST_VECTOR_cos 1
+
+#include "libm-test.c"
diff --git a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
new file mode 100644
index 0000000..8c1e280
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
@@ -0,0 +1,34 @@
+/* Tests for AVX-512 versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen8.h"
+#include "test-vec-loop.h"
+#include <immintrin.h>
+
+// Wrapper from scalar to vector function implemented in AVX-512.
+#define VECTOR_WRAPPER(scalar_func, vector_func) \
+extern __m512d vector_func (__m512d);		\
+FLOAT scalar_func (FLOAT x)			\
+{						\
+  int i;					\
+  __m512d mx = _mm512_set1_pd (x);		\
+  __m512d mr = vector_func (mx);		\
+  TEST_VEC_LOOP (8);				\
+}
+
+VECTOR_WRAPPER (WRAPPER_NAME (cos), _ZGVeN8v_cos)
diff --git a/sysdeps/x86_64/fpu/test-double-vlen8.c b/sysdeps/x86_64/fpu/test-double-vlen8.c
new file mode 100644
index 0000000..4ef8d78
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-vlen8.c
@@ -0,0 +1,27 @@
+/* Tests for AVX-512 versions of vector math functions.
+   Copyright (C) 2014-2015 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 "test-double-vlen8.h"
+
+WRAPPER_DECL (WRAPPER_NAME (cos))
+
+#define TEST_VECTOR_cos 1
+
+#define REQUIRE_AVX512F
+
+#include "libm-test.c"