diff mbox series

[09/42] x86-64: Add vector atan/atanf implementation to libmvec

Message ID 20211124193807.2093208-10-skpgkp2@gmail.com
State New
Headers show
Series x86-64: Add vector math functions to libmvec | expand

Commit Message

Sunil Pandey Nov. 24, 2021, 7:37 p.m. UTC 
Implement vectorized atan/atanf containing SSE, AVX, AVX2 and
AVX512 versions for libmvec as per vector ABI.  It also contains
accuracy and ABI tests for vector atan/atanf with regenerated ulps.
---
 bits/libm-simd-decl-stubs.h                   |   11 +
 math/bits/mathcalls.h                         |    2 +-
 .../unix/sysv/linux/x86_64/libmvec.abilist    |    8 +
 sysdeps/x86/fpu/bits/math-vector.h            |    4 +
 sysdeps/x86_64/fpu/Makeconfig                 |    1 +
 sysdeps/x86_64/fpu/Versions                   |    2 +
 sysdeps/x86_64/fpu/libm-test-ulps             |   20 +
 .../fpu/multiarch/svml_d_atan2_core-sse2.S    |   20 +
 .../x86_64/fpu/multiarch/svml_d_atan2_core.c  |   27 +
 .../fpu/multiarch/svml_d_atan2_core_sse4.S    | 1659 +++++++++++++++++
 .../fpu/multiarch/svml_d_atan4_core-sse.S     |   20 +
 .../x86_64/fpu/multiarch/svml_d_atan4_core.c  |   27 +
 .../fpu/multiarch/svml_d_atan4_core_avx2.S    | 1521 +++++++++++++++
 .../fpu/multiarch/svml_d_atan8_core-avx2.S    |   20 +
 .../x86_64/fpu/multiarch/svml_d_atan8_core.c  |   27 +
 .../fpu/multiarch/svml_d_atan8_core_avx512.S  | 1323 +++++++++++++
 .../fpu/multiarch/svml_s_atanf16_core-avx2.S  |   20 +
 .../fpu/multiarch/svml_s_atanf16_core.c       |   28 +
 .../multiarch/svml_s_atanf16_core_avx512.S    |  352 ++++
 .../fpu/multiarch/svml_s_atanf4_core-sse2.S   |   20 +
 .../x86_64/fpu/multiarch/svml_s_atanf4_core.c |   28 +
 .../fpu/multiarch/svml_s_atanf4_core_sse4.S   |  884 +++++++++
 .../fpu/multiarch/svml_s_atanf8_core-sse.S    |   20 +
 .../x86_64/fpu/multiarch/svml_s_atanf8_core.c |   28 +
 .../fpu/multiarch/svml_s_atanf8_core_avx2.S   |  688 +++++++
 sysdeps/x86_64/fpu/svml_d_atan2_core.S        |   29 +
 sysdeps/x86_64/fpu/svml_d_atan4_core.S        |   29 +
 sysdeps/x86_64/fpu/svml_d_atan4_core_avx.S    |   25 +
 sysdeps/x86_64/fpu/svml_d_atan8_core.S        |   25 +
 sysdeps/x86_64/fpu/svml_s_atanf16_core.S      |   25 +
 sysdeps/x86_64/fpu/svml_s_atanf4_core.S       |   29 +
 sysdeps/x86_64/fpu/svml_s_atanf8_core.S       |   29 +
 sysdeps/x86_64/fpu/svml_s_atanf8_core_avx.S   |   25 +
 .../x86_64/fpu/test-double-libmvec-atan-avx.c |    1 +
 .../fpu/test-double-libmvec-atan-avx2.c       |    1 +
 .../fpu/test-double-libmvec-atan-avx512f.c    |    1 +
 sysdeps/x86_64/fpu/test-double-libmvec-atan.c |    3 +
 .../x86_64/fpu/test-double-vlen2-wrappers.c   |    1 +
 .../fpu/test-double-vlen4-avx2-wrappers.c     |    1 +
 .../x86_64/fpu/test-double-vlen4-wrappers.c   |    1 +
 .../x86_64/fpu/test-double-vlen8-wrappers.c   |    1 +
 .../x86_64/fpu/test-float-libmvec-atanf-avx.c |    1 +
 .../fpu/test-float-libmvec-atanf-avx2.c       |    1 +
 .../fpu/test-float-libmvec-atanf-avx512f.c    |    1 +
 sysdeps/x86_64/fpu/test-float-libmvec-atanf.c |    3 +
 .../x86_64/fpu/test-float-vlen16-wrappers.c   |    1 +
 .../x86_64/fpu/test-float-vlen4-wrappers.c    |    1 +
 .../fpu/test-float-vlen8-avx2-wrappers.c      |    1 +
 .../x86_64/fpu/test-float-vlen8-wrappers.c    |    1 +
 49 files changed, 6995 insertions(+), 1 deletion(-)
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core-sse2.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core_sse4.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core-sse.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core_avx2.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core-avx2.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core_avx512.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core-avx2.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core_avx512.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core-sse2.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core_sse4.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core-sse.S
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core.c
 create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core_avx2.S
 create mode 100644 sysdeps/x86_64/fpu/svml_d_atan2_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_d_atan4_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_d_atan4_core_avx.S
 create mode 100644 sysdeps/x86_64/fpu/svml_d_atan8_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_s_atanf16_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_s_atanf4_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_s_atanf8_core.S
 create mode 100644 sysdeps/x86_64/fpu/svml_s_atanf8_core_avx.S
 create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-atan-avx.c
 create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-atan-avx2.c
 create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-atan-avx512f.c
 create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-atan.c
 create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx.c
 create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx2.c
 create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx512f.c
 create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-atanf.c
diff mbox series

Patch

diff --git a/bits/libm-simd-decl-stubs.h b/bits/libm-simd-decl-stubs.h
index 02acfb1ef8..3e0aa043b4 100644
--- a/bits/libm-simd-decl-stubs.h
+++ b/bits/libm-simd-decl-stubs.h
@@ -142,4 +142,15 @@ 
 #define __DECL_SIMD_asinhf32x
 #define __DECL_SIMD_asinhf64x
 #define __DECL_SIMD_asinhf128x
+
+#define __DECL_SIMD_atan
+#define __DECL_SIMD_atanf
+#define __DECL_SIMD_atanl
+#define __DECL_SIMD_atanf16
+#define __DECL_SIMD_atanf32
+#define __DECL_SIMD_atanf64
+#define __DECL_SIMD_atanf128
+#define __DECL_SIMD_atanf32x
+#define __DECL_SIMD_atanf64x
+#define __DECL_SIMD_atanf128x
 #endif
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index 9a7cfb57c7..f37dbeebfb 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -54,7 +54,7 @@  __MATHCALL_VEC (acos,, (_Mdouble_ __x));
 /* Arc sine of X.  */
 __MATHCALL_VEC (asin,, (_Mdouble_ __x));
 /* Arc tangent of X.  */
-__MATHCALL (atan,, (_Mdouble_ __x));
+__MATHCALL_VEC (atan,, (_Mdouble_ __x));
 /* Arc tangent of Y/X.  */
 __MATHCALL (atan2,, (_Mdouble_ __y, _Mdouble_ __x));
 
diff --git a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
index e246e1ba32..2ead94d87e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
@@ -50,31 +50,39 @@  GLIBC_2.35 _ZGVbN2v_acos F
 GLIBC_2.35 _ZGVbN2v_acosh F
 GLIBC_2.35 _ZGVbN2v_asin F
 GLIBC_2.35 _ZGVbN2v_asinh F
+GLIBC_2.35 _ZGVbN2v_atan F
 GLIBC_2.35 _ZGVbN4v_acosf F
 GLIBC_2.35 _ZGVbN4v_acoshf F
 GLIBC_2.35 _ZGVbN4v_asinf F
 GLIBC_2.35 _ZGVbN4v_asinhf F
+GLIBC_2.35 _ZGVbN4v_atanf F
 GLIBC_2.35 _ZGVcN4v_acos F
 GLIBC_2.35 _ZGVcN4v_acosh F
 GLIBC_2.35 _ZGVcN4v_asin F
 GLIBC_2.35 _ZGVcN4v_asinh F
+GLIBC_2.35 _ZGVcN4v_atan F
 GLIBC_2.35 _ZGVcN8v_acosf F
 GLIBC_2.35 _ZGVcN8v_acoshf F
 GLIBC_2.35 _ZGVcN8v_asinf F
 GLIBC_2.35 _ZGVcN8v_asinhf F
+GLIBC_2.35 _ZGVcN8v_atanf F
 GLIBC_2.35 _ZGVdN4v_acos F
 GLIBC_2.35 _ZGVdN4v_acosh F
 GLIBC_2.35 _ZGVdN4v_asin F
 GLIBC_2.35 _ZGVdN4v_asinh F
+GLIBC_2.35 _ZGVdN4v_atan F
 GLIBC_2.35 _ZGVdN8v_acosf F
 GLIBC_2.35 _ZGVdN8v_acoshf F
 GLIBC_2.35 _ZGVdN8v_asinf F
 GLIBC_2.35 _ZGVdN8v_asinhf F
+GLIBC_2.35 _ZGVdN8v_atanf F
 GLIBC_2.35 _ZGVeN16v_acosf F
 GLIBC_2.35 _ZGVeN16v_acoshf F
 GLIBC_2.35 _ZGVeN16v_asinf F
 GLIBC_2.35 _ZGVeN16v_asinhf F
+GLIBC_2.35 _ZGVeN16v_atanf F
 GLIBC_2.35 _ZGVeN8v_acos F
 GLIBC_2.35 _ZGVeN8v_acosh F
 GLIBC_2.35 _ZGVeN8v_asin F
 GLIBC_2.35 _ZGVeN8v_asinh F
+GLIBC_2.35 _ZGVeN8v_atan F
diff --git a/sysdeps/x86/fpu/bits/math-vector.h b/sysdeps/x86/fpu/bits/math-vector.h
index f8f3d611b8..ef0a3fb7ed 100644
--- a/sysdeps/x86/fpu/bits/math-vector.h
+++ b/sysdeps/x86/fpu/bits/math-vector.h
@@ -74,6 +74,10 @@ 
 #  define __DECL_SIMD_asinh __DECL_SIMD_x86_64
 #  undef __DECL_SIMD_asinhf
 #  define __DECL_SIMD_asinhf __DECL_SIMD_x86_64
+#  undef __DECL_SIMD_atan
+#  define __DECL_SIMD_atan __DECL_SIMD_x86_64
+#  undef __DECL_SIMD_atanf
+#  define __DECL_SIMD_atanf __DECL_SIMD_x86_64
 
 # endif
 #endif
diff --git a/sysdeps/x86_64/fpu/Makeconfig b/sysdeps/x86_64/fpu/Makeconfig
index 2bb482878b..c8418e68c8 100644
--- a/sysdeps/x86_64/fpu/Makeconfig
+++ b/sysdeps/x86_64/fpu/Makeconfig
@@ -26,6 +26,7 @@  libmvec-funcs = \
   acosh \
   asin \
   asinh \
+  atan \
   cos \
   exp \
   log \
diff --git a/sysdeps/x86_64/fpu/Versions b/sysdeps/x86_64/fpu/Versions
index 0f24286493..f7ce07574f 100644
--- a/sysdeps/x86_64/fpu/Versions
+++ b/sysdeps/x86_64/fpu/Versions
@@ -18,9 +18,11 @@  libmvec {
     _ZGVbN2v_acosh; _ZGVcN4v_acosh; _ZGVdN4v_acosh; _ZGVeN8v_acosh;
     _ZGVbN2v_asin; _ZGVcN4v_asin; _ZGVdN4v_asin; _ZGVeN8v_asin;
     _ZGVbN2v_asinh; _ZGVcN4v_asinh; _ZGVdN4v_asinh; _ZGVeN8v_asinh;
+    _ZGVbN2v_atan; _ZGVcN4v_atan; _ZGVdN4v_atan; _ZGVeN8v_atan;
     _ZGVbN4v_acosf; _ZGVcN8v_acosf; _ZGVdN8v_acosf; _ZGVeN16v_acosf;
     _ZGVbN4v_acoshf; _ZGVcN8v_acoshf; _ZGVdN8v_acoshf; _ZGVeN16v_acoshf;
     _ZGVbN4v_asinf; _ZGVcN8v_asinf; _ZGVdN8v_asinf; _ZGVeN16v_asinf;
     _ZGVbN4v_asinhf; _ZGVcN8v_asinhf; _ZGVdN8v_asinhf; _ZGVeN16v_asinhf;
+    _ZGVbN4v_atanf; _ZGVcN8v_atanf; _ZGVdN8v_atanf; _ZGVeN16v_atanf;
   }
 }
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index fb7086d2b9..de345e2bf1 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -221,6 +221,26 @@  float: 2
 float128: 2
 ldouble: 1
 
+Function: "atan_vlen16":
+float: 1
+
+Function: "atan_vlen2":
+double: 1
+
+Function: "atan_vlen4":
+double: 1
+float: 1
+
+Function: "atan_vlen4_avx2":
+double: 1
+
+Function: "atan_vlen8":
+double: 1
+float: 1
+
+Function: "atan_vlen8_avx2":
+float: 1
+
 Function: "atanh":
 double: 2
 float: 2
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core-sse2.S
new file mode 100644
index 0000000000..115e5223aa
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core-sse2.S
@@ -0,0 +1,20 @@ 
+/* SSE2 version of vectorized atan, vector length is 2.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVbN2v_atan _ZGVbN2v_atan_sse2
+#include "../svml_d_atan2_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core.c
new file mode 100644
index 0000000000..93f079ffcb
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core.c
@@ -0,0 +1,27 @@ 
+/* Multiple versions of vectorized atan, vector length is 2.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVbN2v_atan
+#include "ifunc-mathvec-sse4_1.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVbN2v_atan, __GI__ZGVbN2v_atan, __redirect__ZGVbN2v_atan)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core_sse4.S
new file mode 100644
index 0000000000..8be2997c0b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan2_core_sse4.S
@@ -0,0 +1,1659 @@ 
+/* Function atan vectorized with SSE4.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVbN2v_atan_sse4)
+        lea       576+__svml_datan_data_internal_avx512(%rip), %rcx
+        movups    __svml_datan_data_internal_avx512(%rip), %xmm1
+        movups    64+__svml_datan_data_internal_avx512(%rip), %xmm4
+        andps     %xmm0, %xmm1
+        movaps    %xmm4, %xmm6
+        movaps    %xmm1, %xmm2
+        addpd     %xmm1, %xmm6
+        movaps    %xmm6, %xmm5
+        pxor      %xmm1, %xmm0
+        subpd     %xmm4, %xmm5
+        subpd     %xmm5, %xmm2
+        mulpd     %xmm1, %xmm5
+        movups    128+__svml_datan_data_internal_avx512(%rip), %xmm7
+        cmplepd   %xmm1, %xmm7
+        addpd     256+__svml_datan_data_internal_avx512(%rip), %xmm5
+
+/* saturate X range */
+        movups    320+__svml_datan_data_internal_avx512(%rip), %xmm3
+        movaps    %xmm7, %xmm4
+        minpd     %xmm1, %xmm3
+        movups    %xmm15, -24(%rsp)
+        cfi_offset(32, -32)
+        movaps    %xmm7, %xmm15
+        movups    192+__svml_datan_data_internal_avx512(%rip), %xmm1
+        andnps    %xmm2, %xmm4
+        andps     %xmm7, %xmm1
+        andnps    %xmm5, %xmm15
+        andps     %xmm7, %xmm3
+        orps      %xmm1, %xmm4
+        orps      %xmm3, %xmm15
+
+/*
+ * table lookup sequence
+ * VPERMUTE not available
+ */
+        movaps    %xmm6, %xmm3
+
+/* R+Rl = DiffX/Y */
+        divpd     %xmm15, %xmm4
+        psllq     $3, %xmm3
+        pand      .FLT_15(%rip), %xmm3
+        movd      %xmm3, %eax
+        pshufd    $2, %xmm3, %xmm5
+        movups    960+__svml_datan_data_internal_avx512(%rip), %xmm1
+        movd      %xmm5, %edx
+        cmplepd   %xmm6, %xmm1
+        movslq    %eax, %rax
+        movaps    %xmm1, %xmm6
+        movslq    %edx, %rdx
+        movsd     -128(%rax,%rcx), %xmm2
+        movhpd    -128(%rdx,%rcx), %xmm2
+        movsd     (%rcx,%rax), %xmm3
+        andnps    %xmm2, %xmm6
+        movhpd    (%rcx,%rdx), %xmm3
+
+/* set table value to Pi/2 for large X */
+        movups    1024+__svml_datan_data_internal_avx512(%rip), %xmm2
+        andps     %xmm1, %xmm3
+        movaps    %xmm7, %xmm1
+        andps     %xmm7, %xmm2
+
+/* polynomial evaluation */
+        movaps    %xmm4, %xmm7
+        orps      %xmm3, %xmm6
+        mulpd     %xmm4, %xmm7
+        andnps    %xmm6, %xmm1
+        movaps    %xmm7, %xmm5
+        orps      %xmm2, %xmm1
+        movaps    %xmm7, %xmm15
+        movups    1152+__svml_datan_data_internal_avx512(%rip), %xmm2
+        mulpd     %xmm7, %xmm2
+        mulpd     %xmm7, %xmm5
+        addpd     1168+__svml_datan_data_internal_avx512(%rip), %xmm2
+        mulpd     %xmm4, %xmm15
+        mulpd     %xmm5, %xmm2
+        movups    1184+__svml_datan_data_internal_avx512(%rip), %xmm3
+        mulpd     %xmm7, %xmm3
+        addpd     1200+__svml_datan_data_internal_avx512(%rip), %xmm3
+        movups    1216+__svml_datan_data_internal_avx512(%rip), %xmm6
+        mulpd     %xmm7, %xmm6
+        addpd     %xmm2, %xmm3
+        addpd     1232+__svml_datan_data_internal_avx512(%rip), %xmm6
+        mulpd     %xmm3, %xmm5
+        addpd     %xmm5, %xmm6
+        mulpd     %xmm6, %xmm15
+        addpd     %xmm15, %xmm4
+        addpd     %xmm4, %xmm1
+        movups    -24(%rsp), %xmm15
+        cfi_restore(32)
+        pxor      %xmm1, %xmm0
+        ret
+
+END(_ZGVbN2v_atan_sse4)
+
+        .align    16,0x90
+
+__svml_datan_cout_rare_internal:
+
+        cfi_startproc
+
+        movzwl    6(%rdi), %r8d
+        andl      $32752, %r8d
+        shrl      $4, %r8d
+        cmpl      $2047, %r8d
+        je        .LBL_2_12
+        movq      (%rdi), %rdx
+        movq      %rdx, -16(%rsp)
+        shrq      $56, %rdx
+        movb      7(%rdi), %al
+        andl      $127, %edx
+        movb      %dl, -9(%rsp)
+        movsd     -16(%rsp), %xmm0
+        shrb      $7, %al
+        comisd    1888+__datan_la_CoutTab(%rip), %xmm0
+        movl      -12(%rsp), %ecx
+        jb        .LBL_2_6
+        movsd     1896+__datan_la_CoutTab(%rip), %xmm1
+        comisd    %xmm0, %xmm1
+        jbe       .LBL_2_5
+        movl      4(%rdi), %edx
+        movl      %ecx, %edi
+        andl      $-524288, %ecx
+        andl      $-1048576, %edi
+        addl      $262144, %ecx
+        movaps    %xmm0, %xmm9
+        andl      $1048575, %ecx
+        movaps    %xmm0, %xmm10
+        movsd     %xmm0, -56(%rsp)
+        orl       %ecx, %edi
+        movl      $0, -56(%rsp)
+        andl      $1048575, %edx
+        movl      %edi, -52(%rsp)
+        lea       __datan_la_CoutTab(%rip), %rcx
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     -56(%rsp), %xmm15
+        shll      $20, %r8d
+        subsd     -56(%rsp), %xmm9
+        mulsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        shlb      $7, %al
+        mulsd     %xmm9, %xmm4
+        movsd     %xmm4, -48(%rsp)
+        orl       %edx, %r8d
+        movsd     -48(%rsp), %xmm5
+        addl      $-1069547520, %r8d
+        sarl      $18, %r8d
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        andl      $-2, %r8d
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        movslq    %r8d, %r8
+        subsd     %xmm6, %xmm7
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm2
+        movsd     -40(%rsp), %xmm3
+        movsd     %xmm10, -48(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm8
+        subsd     -16(%rsp), %xmm11
+        movsd     %xmm11, -40(%rsp)
+        movsd     -48(%rsp), %xmm13
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm12, %xmm13
+        movsd     %xmm13, -48(%rsp)
+        movsd     -48(%rsp), %xmm14
+        subsd     %xmm14, %xmm0
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm14
+        movsd     %xmm0, -40(%rsp)
+        movsd     -48(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm4
+        mulsd     %xmm15, %xmm5
+        mulsd     %xmm15, %xmm4
+        movaps    %xmm5, %xmm1
+        addsd     %xmm4, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        subsd     %xmm0, %xmm5
+        addsd     %xmm4, %xmm5
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     -40(%rsp), %xmm1
+        addsd     %xmm11, %xmm6
+        movsd     %xmm6, -48(%rsp)
+        movsd     -48(%rsp), %xmm7
+        subsd     %xmm7, %xmm8
+        movsd     %xmm8, -40(%rsp)
+        movsd     -48(%rsp), %xmm10
+        movsd     -40(%rsp), %xmm9
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -40(%rsp), %xmm12
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        addsd     %xmm11, %xmm12
+        movsd     %xmm12, -40(%rsp)
+        movsd     -32(%rsp), %xmm13
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm11
+        subsd     %xmm13, %xmm14
+        movsd     %xmm14, -32(%rsp)
+        movsd     -40(%rsp), %xmm0
+        movsd     -32(%rsp), %xmm15
+        addsd     %xmm15, %xmm0
+        movsd     %xmm0, -32(%rsp)
+        movsd     -48(%rsp), %xmm9
+        mulsd     %xmm9, %xmm4
+        movsd     -32(%rsp), %xmm0
+        movsd     %xmm4, -48(%rsp)
+        addsd     %xmm1, %xmm0
+        movsd     -48(%rsp), %xmm5
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        subsd     %xmm6, %xmm7
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm4
+        divsd     %xmm4, %xmm11
+        mulsd     %xmm11, %xmm10
+        movsd     -40(%rsp), %xmm5
+        movsd     %xmm10, -40(%rsp)
+        addsd     %xmm0, %xmm5
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm11, %xmm12
+        movsd     %xmm12, -32(%rsp)
+        movsd     -40(%rsp), %xmm10
+        movsd     -32(%rsp), %xmm13
+        subsd     %xmm13, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -32(%rsp), %xmm14
+        mulsd     %xmm14, %xmm4
+        movsd     -32(%rsp), %xmm15
+        subsd     %xmm4, %xmm6
+        mulsd     %xmm15, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -40(%rsp), %xmm1
+        subsd     %xmm1, %xmm6
+        movsd     %xmm6, -40(%rsp)
+        movsd     -40(%rsp), %xmm4
+        movsd     -32(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm0
+        movaps    %xmm5, %xmm7
+        movsd     -32(%rsp), %xmm1
+        mulsd     %xmm3, %xmm5
+        addsd     1904+__datan_la_CoutTab(%rip), %xmm4
+        mulsd     %xmm2, %xmm7
+        mulsd     %xmm0, %xmm4
+        mulsd     %xmm1, %xmm4
+        mulsd     %xmm4, %xmm3
+        mulsd     %xmm4, %xmm2
+        addsd     %xmm3, %xmm5
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm6
+        addsd     %xmm2, %xmm5
+        movsd     %xmm5, -48(%rsp)
+        movaps    %xmm7, %xmm2
+        movsd     -48(%rsp), %xmm4
+        addsd     %xmm4, %xmm2
+        movsd     %xmm2, -48(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movsd     (%rcx,%r8,8), %xmm2
+        subsd     %xmm3, %xmm7
+        addsd     %xmm4, %xmm7
+        movsd     %xmm7, -40(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movaps    %xmm3, %xmm5
+        movaps    %xmm3, %xmm0
+        mulsd     %xmm3, %xmm5
+        addsd     %xmm2, %xmm0
+        mulsd     %xmm5, %xmm6
+        movsd     -40(%rsp), %xmm10
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm1
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm1, %xmm2
+        mulsd     %xmm5, %xmm6
+        addsd     %xmm3, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        movsd     %xmm2, -40(%rsp)
+        movsd     -48(%rsp), %xmm9
+        movsd     -40(%rsp), %xmm8
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        mulsd     %xmm3, %xmm6
+        addsd     %xmm6, %xmm10
+        addsd     8(%rcx,%r8,8), %xmm10
+        addsd     %xmm8, %xmm10
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -24(%rsp)
+        movb      -17(%rsp), %r9b
+        andb      $127, %r9b
+        orb       %al, %r9b
+        movb      %r9b, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_5:
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        shlb      $7, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_6:
+        comisd    1880+__datan_la_CoutTab(%rip), %xmm0
+        jb        .LBL_2_8
+        movaps    %xmm0, %xmm1
+        mulsd     %xmm0, %xmm1
+        shlb      $7, %al
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        mulsd     %xmm0, %xmm2
+        addsd     %xmm0, %xmm2
+        movsd     %xmm2, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_8:
+        movzwl    -10(%rsp), %edx
+        testl     $32752, %edx
+        je        .LBL_2_10
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm1
+        shlb      $7, %al
+        addsd     %xmm0, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        mulsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_10:
+        mulsd     %xmm0, %xmm0
+        shlb      $7, %al
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        addsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+
+.LBL_2_11:
+        xorl      %eax, %eax
+        ret
+
+.LBL_2_12:
+        testl     $1048575, 4(%rdi)
+        jne       .LBL_2_15
+        cmpl      $0, (%rdi)
+        jne       .LBL_2_15
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        movb      7(%rdi), %al
+        andb      $-128, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rcx
+        movq      %rcx, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_15:
+        movsd     (%rdi), %xmm0
+        addsd     %xmm0, %xmm0
+        movsd     %xmm0, (%rsi)
+        jmp       .LBL_2_11
+
+        cfi_endproc
+
+        .type	__svml_datan_cout_rare_internal,@function
+        .size	__svml_datan_cout_rare_internal,.-__svml_datan_cout_rare_internal
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_datan_data_internal_avx512:
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .long	1073291771
+        .long	3613709523
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1466225875
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1343512524
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1251477510
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1190120835
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1144103328
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1113424990
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1090416237
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1075077068
+        .long	3192774295
+        .long	1431655765
+        .long	3218429269
+        .long	2576978363
+        .long	1070176665
+        .long	2453154343
+        .long	3217180964
+        .long	4189149139
+        .long	1069314502
+        .long	1775019125
+        .long	3216459198
+        .long	273199057
+        .long	1068739452
+        .long	874748308
+        .long	3215993277
+        .long	0
+        .long	1017118720
+        .long	0
+        .long	1069547520
+        .long	0
+        .long	1129316352
+        .long	0
+        .long	1072693248
+        .long	1413754136
+        .long	1073291771
+        .long	856972295
+        .long	1016178214
+        .long	33554432
+        .long	1101004800
+        .type	__datan_la_CoutTab,@object
+        .size	__datan_la_CoutTab,1936
+        .align 16
+
+.FLT_15:
+        .long	0x00000078,0x00000000,0x00000078,0x00000000
+        .type	.FLT_15,@object
+        .size	.FLT_15,16
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core-sse.S
new file mode 100644
index 0000000000..79c48dbc91
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core-sse.S
@@ -0,0 +1,20 @@ 
+/* SSE version of vectorized atan, vector length is 4.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVdN4v_atan _ZGVdN4v_atan_sse_wrapper
+#include "../svml_d_atan4_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core.c
new file mode 100644
index 0000000000..64ce66b9fd
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core.c
@@ -0,0 +1,27 @@ 
+/* Multiple versions of vectorized atan, vector length is 4.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVdN4v_atan
+#include "ifunc-mathvec-avx2.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVdN4v_atan, __GI__ZGVdN4v_atan, __redirect__ZGVdN4v_atan)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core_avx2.S
new file mode 100644
index 0000000000..ac2797e80a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan4_core_avx2.S
@@ -0,0 +1,1521 @@ 
+/* Function atan vectorized with AVX2.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVdN4v_atan_avx2)
+        pushq     %rbp
+        cfi_def_cfa_offset(16)
+        movq      %rsp, %rbp
+        cfi_def_cfa(6, 16)
+        cfi_offset(6, -16)
+        andq      $-64, %rsp
+        lea       576+__svml_datan_data_internal_avx512(%rip), %rdx
+        vmovupd   64+__svml_datan_data_internal_avx512(%rip), %ymm7
+        vmovupd   256+__svml_datan_data_internal_avx512(%rip), %ymm2
+        vmovups   %ymm15, -64(%rsp)
+        vandpd    __svml_datan_data_internal_avx512(%rip), %ymm0, %ymm3
+        vaddpd    %ymm7, %ymm3, %ymm6
+        vcmpge_oqpd 128+__svml_datan_data_internal_avx512(%rip), %ymm3, %ymm5
+        vsubpd    %ymm7, %ymm6, %ymm1
+        vxorpd    %ymm0, %ymm3, %ymm4
+
+/* saturate X range */
+        vmovupd   320+__svml_datan_data_internal_avx512(%rip), %ymm0
+        vfmadd231pd %ymm3, %ymm1, %ymm2
+        vsubpd    %ymm1, %ymm3, %ymm7
+        vminpd    %ymm3, %ymm0, %ymm3
+
+/*
+ * table lookup sequence
+ * VPERMUTE not available
+ */
+        vpsllq    $3, %ymm6, %ymm0
+        vcmpge_oqpd 960+__svml_datan_data_internal_avx512(%rip), %ymm6, %ymm6
+        .cfi_escape 0x10, 0xe2, 0x00, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x22
+        vblendvpd %ymm5, 192+__svml_datan_data_internal_avx512(%rip), %ymm7, %ymm15
+        vblendvpd %ymm5, %ymm3, %ymm2, %ymm2
+
+/* R+Rl = DiffX/Y */
+        vdivpd    %ymm2, %ymm15, %ymm1
+        vpand     .FLT_15(%rip), %ymm0, %ymm2
+        vextractf128 $1, %ymm2, %xmm15
+        vmovd     %xmm2, %eax
+        vmovd     %xmm15, %r8d
+        movslq    %eax, %rax
+        vpextrd   $2, %xmm2, %ecx
+        movslq    %r8d, %r8
+        vpextrd   $2, %xmm15, %r9d
+        movslq    %ecx, %rcx
+        movslq    %r9d, %r9
+        vmovsd    -128(%rax,%rdx), %xmm3
+        vmovsd    -128(%r8,%rdx), %xmm0
+        vmovhpd   -128(%rcx,%rdx), %xmm3, %xmm7
+        vmovhpd   -128(%r9,%rdx), %xmm0, %xmm2
+        vmovsd    (%rdx,%rax), %xmm3
+        vmovhpd   (%rdx,%rcx), %xmm3, %xmm15
+        vinsertf128 $1, %xmm2, %ymm7, %ymm0
+        vmovsd    (%rdx,%r8), %xmm2
+        vmovhpd   (%rdx,%r9), %xmm2, %xmm3
+        vinsertf128 $1, %xmm3, %ymm15, %ymm7
+        vblendvpd %ymm6, %ymm7, %ymm0, %ymm0
+
+/* polynomial evaluation */
+        vmulpd    %ymm1, %ymm1, %ymm3
+        vmovupd   1152+__svml_datan_data_internal_avx512(%rip), %ymm15
+
+/* set table value to Pi/2 for large X */
+        vblendvpd %ymm5, 1024+__svml_datan_data_internal_avx512(%rip), %ymm0, %ymm7
+        vmovupd   1216+__svml_datan_data_internal_avx512(%rip), %ymm0
+        vfmadd213pd 1184+__svml_datan_data_internal_avx512(%rip), %ymm3, %ymm15
+        vmulpd    %ymm3, %ymm3, %ymm2
+        vmovupd   1280+__svml_datan_data_internal_avx512(%rip), %ymm5
+        vmulpd    %ymm3, %ymm1, %ymm6
+        vfmadd213pd 1248+__svml_datan_data_internal_avx512(%rip), %ymm3, %ymm0
+        vfmadd213pd 1312+__svml_datan_data_internal_avx512(%rip), %ymm5, %ymm3
+        vfmadd213pd %ymm0, %ymm2, %ymm15
+        vfmadd213pd %ymm3, %ymm2, %ymm15
+        vfmadd213pd %ymm1, %ymm6, %ymm15
+        vaddpd    %ymm15, %ymm7, %ymm1
+        vmovups   -64(%rsp), %ymm15
+        cfi_restore(98)
+        vxorpd    %ymm4, %ymm1, %ymm0
+        movq      %rbp, %rsp
+        popq      %rbp
+        cfi_def_cfa(7, 8)
+        cfi_restore(6)
+        ret
+
+END(_ZGVdN4v_atan_avx2)
+
+        .align    16,0x90
+
+__svml_datan_cout_rare_internal:
+
+        cfi_startproc
+
+        movzwl    6(%rdi), %r8d
+        andl      $32752, %r8d
+        shrl      $4, %r8d
+        cmpl      $2047, %r8d
+        je        .LBL_2_12
+        movq      (%rdi), %rdx
+        movq      %rdx, -16(%rsp)
+        shrq      $56, %rdx
+        movb      7(%rdi), %al
+        andl      $127, %edx
+        movb      %dl, -9(%rsp)
+        movsd     -16(%rsp), %xmm0
+        shrb      $7, %al
+        comisd    1888+__datan_la_CoutTab(%rip), %xmm0
+        movl      -12(%rsp), %ecx
+        jb        .LBL_2_6
+        movsd     1896+__datan_la_CoutTab(%rip), %xmm1
+        comisd    %xmm0, %xmm1
+        jbe       .LBL_2_5
+        movl      4(%rdi), %edx
+        movl      %ecx, %edi
+        andl      $-524288, %ecx
+        andl      $-1048576, %edi
+        addl      $262144, %ecx
+        movaps    %xmm0, %xmm9
+        andl      $1048575, %ecx
+        movaps    %xmm0, %xmm10
+        movsd     %xmm0, -56(%rsp)
+        orl       %ecx, %edi
+        movl      $0, -56(%rsp)
+        andl      $1048575, %edx
+        movl      %edi, -52(%rsp)
+        lea       __datan_la_CoutTab(%rip), %rcx
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     -56(%rsp), %xmm15
+        shll      $20, %r8d
+        subsd     -56(%rsp), %xmm9
+        mulsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        shlb      $7, %al
+        mulsd     %xmm9, %xmm4
+        movsd     %xmm4, -48(%rsp)
+        orl       %edx, %r8d
+        movsd     -48(%rsp), %xmm5
+        addl      $-1069547520, %r8d
+        sarl      $18, %r8d
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        andl      $-2, %r8d
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        movslq    %r8d, %r8
+        subsd     %xmm6, %xmm7
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm2
+        movsd     -40(%rsp), %xmm3
+        movsd     %xmm10, -48(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm8
+        subsd     -16(%rsp), %xmm11
+        movsd     %xmm11, -40(%rsp)
+        movsd     -48(%rsp), %xmm13
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm12, %xmm13
+        movsd     %xmm13, -48(%rsp)
+        movsd     -48(%rsp), %xmm14
+        subsd     %xmm14, %xmm0
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm14
+        movsd     %xmm0, -40(%rsp)
+        movsd     -48(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm4
+        mulsd     %xmm15, %xmm5
+        mulsd     %xmm15, %xmm4
+        movaps    %xmm5, %xmm1
+        addsd     %xmm4, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        subsd     %xmm0, %xmm5
+        addsd     %xmm4, %xmm5
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     -40(%rsp), %xmm1
+        addsd     %xmm11, %xmm6
+        movsd     %xmm6, -48(%rsp)
+        movsd     -48(%rsp), %xmm7
+        subsd     %xmm7, %xmm8
+        movsd     %xmm8, -40(%rsp)
+        movsd     -48(%rsp), %xmm10
+        movsd     -40(%rsp), %xmm9
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -40(%rsp), %xmm12
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        addsd     %xmm11, %xmm12
+        movsd     %xmm12, -40(%rsp)
+        movsd     -32(%rsp), %xmm13
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm11
+        subsd     %xmm13, %xmm14
+        movsd     %xmm14, -32(%rsp)
+        movsd     -40(%rsp), %xmm0
+        movsd     -32(%rsp), %xmm15
+        addsd     %xmm15, %xmm0
+        movsd     %xmm0, -32(%rsp)
+        movsd     -48(%rsp), %xmm9
+        mulsd     %xmm9, %xmm4
+        movsd     -32(%rsp), %xmm0
+        movsd     %xmm4, -48(%rsp)
+        addsd     %xmm1, %xmm0
+        movsd     -48(%rsp), %xmm5
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        subsd     %xmm6, %xmm7
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm4
+        divsd     %xmm4, %xmm11
+        mulsd     %xmm11, %xmm10
+        movsd     -40(%rsp), %xmm5
+        movsd     %xmm10, -40(%rsp)
+        addsd     %xmm0, %xmm5
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm11, %xmm12
+        movsd     %xmm12, -32(%rsp)
+        movsd     -40(%rsp), %xmm10
+        movsd     -32(%rsp), %xmm13
+        subsd     %xmm13, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -32(%rsp), %xmm14
+        mulsd     %xmm14, %xmm4
+        movsd     -32(%rsp), %xmm15
+        subsd     %xmm4, %xmm6
+        mulsd     %xmm15, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -40(%rsp), %xmm1
+        subsd     %xmm1, %xmm6
+        movsd     %xmm6, -40(%rsp)
+        movsd     -40(%rsp), %xmm4
+        movsd     -32(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm0
+        movaps    %xmm5, %xmm7
+        movsd     -32(%rsp), %xmm1
+        mulsd     %xmm3, %xmm5
+        addsd     1904+__datan_la_CoutTab(%rip), %xmm4
+        mulsd     %xmm2, %xmm7
+        mulsd     %xmm0, %xmm4
+        mulsd     %xmm1, %xmm4
+        mulsd     %xmm4, %xmm3
+        mulsd     %xmm4, %xmm2
+        addsd     %xmm3, %xmm5
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm6
+        addsd     %xmm2, %xmm5
+        movsd     %xmm5, -48(%rsp)
+        movaps    %xmm7, %xmm2
+        movsd     -48(%rsp), %xmm4
+        addsd     %xmm4, %xmm2
+        movsd     %xmm2, -48(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movsd     (%rcx,%r8,8), %xmm2
+        subsd     %xmm3, %xmm7
+        addsd     %xmm4, %xmm7
+        movsd     %xmm7, -40(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movaps    %xmm3, %xmm5
+        movaps    %xmm3, %xmm0
+        mulsd     %xmm3, %xmm5
+        addsd     %xmm2, %xmm0
+        mulsd     %xmm5, %xmm6
+        movsd     -40(%rsp), %xmm10
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm1
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm1, %xmm2
+        mulsd     %xmm5, %xmm6
+        addsd     %xmm3, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        movsd     %xmm2, -40(%rsp)
+        movsd     -48(%rsp), %xmm9
+        movsd     -40(%rsp), %xmm8
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        mulsd     %xmm3, %xmm6
+        addsd     %xmm6, %xmm10
+        addsd     8(%rcx,%r8,8), %xmm10
+        addsd     %xmm8, %xmm10
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -24(%rsp)
+        movb      -17(%rsp), %r9b
+        andb      $127, %r9b
+        orb       %al, %r9b
+        movb      %r9b, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_5:
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        shlb      $7, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_6:
+        comisd    1880+__datan_la_CoutTab(%rip), %xmm0
+        jb        .LBL_2_8
+        movaps    %xmm0, %xmm1
+        mulsd     %xmm0, %xmm1
+        shlb      $7, %al
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        mulsd     %xmm0, %xmm2
+        addsd     %xmm0, %xmm2
+        movsd     %xmm2, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_8:
+        movzwl    -10(%rsp), %edx
+        testl     $32752, %edx
+        je        .LBL_2_10
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm1
+        shlb      $7, %al
+        addsd     %xmm0, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        mulsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_10:
+        mulsd     %xmm0, %xmm0
+        shlb      $7, %al
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        addsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+
+.LBL_2_11:
+        xorl      %eax, %eax
+        ret
+
+.LBL_2_12:
+        testl     $1048575, 4(%rdi)
+        jne       .LBL_2_15
+        cmpl      $0, (%rdi)
+        jne       .LBL_2_15
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        movb      7(%rdi), %al
+        andb      $-128, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rcx
+        movq      %rcx, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_15:
+        movsd     (%rdi), %xmm0
+        addsd     %xmm0, %xmm0
+        movsd     %xmm0, (%rsi)
+        jmp       .LBL_2_11
+
+        cfi_endproc
+
+        .type	__svml_datan_cout_rare_internal,@function
+        .size	__svml_datan_cout_rare_internal,.-__svml_datan_cout_rare_internal
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_datan_data_internal_avx512:
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	0
+        .long	0
+        .long	4180443357
+        .long	1070553973
+        .long	90291023
+        .long	1071492199
+        .long	2737217249
+        .long	1071945615
+        .long	1413754136
+        .long	1072243195
+        .long	1468297118
+        .long	1072475260
+        .long	3531732635
+        .long	1072657163
+        .long	744202399
+        .long	1072747407
+        .long	2464923204
+        .long	1072805601
+        .long	1436891685
+        .long	1072853231
+        .long	2037009832
+        .long	1072892781
+        .long	1826698067
+        .long	1072926058
+        .long	1803191648
+        .long	1072954391
+        .long	2205372832
+        .long	1072978772
+        .long	4234512805
+        .long	1072999952
+        .long	3932628503
+        .long	1073018509
+        .long	2501811453
+        .long	1073034892
+        .long	866379431
+        .long	1073049455
+        .long	1376865888
+        .long	1073062480
+        .long	3290094269
+        .long	1073074195
+        .long	354764887
+        .long	1073084787
+        .long	3332975497
+        .long	1073094406
+        .long	1141460092
+        .long	1073103181
+        .long	745761286
+        .long	1073111216
+        .long	1673304509
+        .long	1073118600
+        .long	983388243
+        .long	1073125409
+        .long	3895509104
+        .long	1073131706
+        .long	2128523669
+        .long	1073137548
+        .long	2075485693
+        .long	1073142981
+        .long	121855980
+        .long	1073148047
+        .long	4181733783
+        .long	1073152780
+        .long	2887813284
+        .long	1073157214
+        .long	0
+        .long	0
+        .long	1022865341
+        .long	1013492590
+        .long	573531618
+        .long	1014639487
+        .long	2280825944
+        .long	1014120858
+        .long	856972295
+        .long	1015129638
+        .long	986810987
+        .long	1015077601
+        .long	2062601149
+        .long	1013974920
+        .long	589036912
+        .long	3164328156
+        .long	1787331214
+        .long	1016798022
+        .long	2942272763
+        .long	3164235441
+        .long	2956702105
+        .long	1016472908
+        .long	3903328092
+        .long	3162582135
+        .long	3175026820
+        .long	3158589859
+        .long	787328196
+        .long	1014621351
+        .long	2317874517
+        .long	3163795518
+        .long	4071621134
+        .long	1016673529
+        .long	2492111345
+        .long	3164172103
+        .long	3606178875
+        .long	3162371821
+        .long	3365790232
+        .long	1014547152
+        .long	2710887773
+        .long	1017086651
+        .long	2755350986
+        .long	3162706257
+        .long	198095269
+        .long	3162802133
+        .long	2791076759
+        .long	3164364640
+        .long	4214434319
+        .long	3162164074
+        .long	773754012
+        .long	3164190653
+        .long	139561443
+        .long	3164313657
+        .long	2197796619
+        .long	3164066219
+        .long	3592486882
+        .long	1016669082
+        .long	1148791015
+        .long	3163724934
+        .long	386789398
+        .long	3163117479
+        .long	2518816264
+        .long	3162291736
+        .long	2545101323
+        .long	3164592727
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .type	__svml_datan_data_internal_avx512,@object
+        .size	__svml_datan_data_internal_avx512,1344
+        .align 32
+
+.FLT_15:
+        .long	0x00000078,0x00000000,0x00000078,0x00000000,0x00000078,0x00000000,0x00000078,0x00000000
+        .type	.FLT_15,@object
+        .size	.FLT_15,32
+        .align 32
+
+__datan_la_CoutTab:
+        .long	3892314112
+        .long	1069799150
+        .long	2332892550
+        .long	1039715405
+        .long	1342177280
+        .long	1070305495
+        .long	270726690
+        .long	1041535749
+        .long	939524096
+        .long	1070817911
+        .long	2253973841
+        .long	3188654726
+        .long	3221225472
+        .long	1071277294
+        .long	3853927037
+        .long	1043226911
+        .long	2818572288
+        .long	1071767563
+        .long	2677759107
+        .long	1044314101
+        .long	3355443200
+        .long	1072103591
+        .long	1636578514
+        .long	3191094734
+        .long	1476395008
+        .long	1072475260
+        .long	1864703685
+        .long	3188646936
+        .long	805306368
+        .long	1072747407
+        .long	192551812
+        .long	3192726267
+        .long	2013265920
+        .long	1072892781
+        .long	2240369452
+        .long	1043768538
+        .long	0
+        .long	1072999953
+        .long	3665168337
+        .long	3192705970
+        .long	402653184
+        .long	1073084787
+        .long	1227953434
+        .long	3192313277
+        .long	2013265920
+        .long	1073142981
+        .long	3853283127
+        .long	1045277487
+        .long	805306368
+        .long	1073187261
+        .long	1676192264
+        .long	3192868861
+        .long	134217728
+        .long	1073217000
+        .long	4290763938
+        .long	1042034855
+        .long	671088640
+        .long	1073239386
+        .long	994303084
+        .long	3189643768
+        .long	402653184
+        .long	1073254338
+        .long	1878067156
+        .long	1042652475
+        .long	1610612736
+        .long	1073265562
+        .long	670314820
+        .long	1045138554
+        .long	3221225472
+        .long	1073273048
+        .long	691126919
+        .long	3189987794
+        .long	3489660928
+        .long	1073278664
+        .long	1618990832
+        .long	3188194509
+        .long	1207959552
+        .long	1073282409
+        .long	2198872939
+        .long	1044806069
+        .long	3489660928
+        .long	1073285217
+        .long	2633982383
+        .long	1042307894
+        .long	939524096
+        .long	1073287090
+        .long	1059367786
+        .long	3189114230
+        .long	2281701376
+        .long	1073288494
+        .long	3158525533
+        .long	1044484961
+        .long	3221225472
+        .long	1073289430
+        .long	286581777
+        .long	1044893263
+        .long	4026531840
+        .long	1073290132
+        .long	2000245215
+        .long	3191647611
+        .long	134217728
+        .long	1073290601
+        .long	4205071590
+        .long	1045035927
+        .long	536870912
+        .long	1073290952
+        .long	2334392229
+        .long	1043447393
+        .long	805306368
+        .long	1073291186
+        .long	2281458177
+        .long	3188885569
+        .long	3087007744
+        .long	1073291361
+        .long	691611507
+        .long	1044733832
+        .long	3221225472
+        .long	1073291478
+        .long	1816229550
+        .long	1044363390
+        .long	2281701376
+        .long	1073291566
+        .long	1993843750
+        .long	3189837440
+        .long	134217728
+        .long	1073291625
+        .long	3654754496
+        .long	1044970837
+        .long	4026531840
+        .long	1073291668
+        .long	3224300229
+        .long	3191935390
+        .long	805306368
+        .long	1073291698
+        .long	2988777976
+        .long	3188950659
+        .long	536870912
+        .long	1073291720
+        .long	1030371341
+        .long	1043402665
+        .long	3221225472
+        .long	1073291734
+        .long	1524463765
+        .long	1044361356
+        .long	3087007744
+        .long	1073291745
+        .long	2754295320
+        .long	1044731036
+        .long	134217728
+        .long	1073291753
+        .long	3099629057
+        .long	1044970710
+        .long	2281701376
+        .long	1073291758
+        .long	962914160
+        .long	3189838838
+        .long	805306368
+        .long	1073291762
+        .long	3543908206
+        .long	3188950786
+        .long	4026531840
+        .long	1073291764
+        .long	1849909620
+        .long	3191935434
+        .long	3221225472
+        .long	1073291766
+        .long	1641333636
+        .long	1044361352
+        .long	536870912
+        .long	1073291768
+        .long	1373968792
+        .long	1043402654
+        .long	134217728
+        .long	1073291769
+        .long	2033191599
+        .long	1044970710
+        .long	3087007744
+        .long	1073291769
+        .long	4117947437
+        .long	1044731035
+        .long	805306368
+        .long	1073291770
+        .long	315378368
+        .long	3188950787
+        .long	2281701376
+        .long	1073291770
+        .long	2428571750
+        .long	3189838838
+        .long	3221225472
+        .long	1073291770
+        .long	1608007466
+        .long	1044361352
+        .long	4026531840
+        .long	1073291770
+        .long	1895711420
+        .long	3191935434
+        .long	134217728
+        .long	1073291771
+        .long	2031108713
+        .long	1044970710
+        .long	536870912
+        .long	1073291771
+        .long	1362518342
+        .long	1043402654
+        .long	805306368
+        .long	1073291771
+        .long	317461253
+        .long	3188950787
+        .long	939524096
+        .long	1073291771
+        .long	4117231784
+        .long	1044731035
+        .long	1073741824
+        .long	1073291771
+        .long	1607942376
+        .long	1044361352
+        .long	1207959552
+        .long	1073291771
+        .long	2428929577
+        .long	3189838838
+        .long	1207959552
+        .long	1073291771
+        .long	2031104645
+        .long	1044970710
+        .long	1342177280
+        .long	1073291771
+        .long	1895722602
+        .long	3191935434
+        .long	1342177280
+        .long	1073291771
+        .long	317465322
+        .long	3188950787
+        .long	1342177280
+        .long	1073291771
+        .long	1362515546
+        .long	1043402654
+        .long	1342177280
+        .long	1073291771
+        .long	1607942248
+        .long	1044361352
+        .long	1342177280
+        .long	1073291771
+        .long	4117231610
+        .long	1044731035
+        .long	1342177280
+        .long	1073291771
+        .long	2031104637
+        .long	1044970710
+        .long	1342177280
+        .long	1073291771
+        .long	1540251232
+        .long	1045150466
+        .long	1342177280
+        .long	1073291771
+        .long	2644671394
+        .long	1045270303
+        .long	1342177280
+        .long	1073291771
+        .long	2399244691
+        .long	1045360181
+        .long	1342177280
+        .long	1073291771
+        .long	803971124
+        .long	1045420100
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192879152
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192849193
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192826724
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192811744
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192800509
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192793019
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192787402
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192783657
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192780848
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192778976
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192777572
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192776635
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192775933
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192775465
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192775114
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774880
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192774704
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774587
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192774500
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774441
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192774397
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774368
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192774346
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774331
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192774320
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774313
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192774308
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774304
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192774301
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774299
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192774298
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774297
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1466225875
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1343512524
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1251477510
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1190120835
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1144103328
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1113424990
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1090416237
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1075077068
+        .long	3192774295
+        .long	1431655765
+        .long	3218429269
+        .long	2576978363
+        .long	1070176665
+        .long	2453154343
+        .long	3217180964
+        .long	4189149139
+        .long	1069314502
+        .long	1775019125
+        .long	3216459198
+        .long	273199057
+        .long	1068739452
+        .long	874748308
+        .long	3215993277
+        .long	0
+        .long	1017118720
+        .long	0
+        .long	1069547520
+        .long	0
+        .long	1129316352
+        .long	0
+        .long	1072693248
+        .long	1413754136
+        .long	1073291771
+        .long	856972295
+        .long	1016178214
+        .long	33554432
+        .long	1101004800
+        .type	__datan_la_CoutTab,@object
+        .size	__datan_la_CoutTab,1936
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core-avx2.S
new file mode 100644
index 0000000000..723734e10b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core-avx2.S
@@ -0,0 +1,20 @@ 
+/* AVX2 version of vectorized atan, vector length is 8.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVeN8v_atan _ZGVeN8v_atan_avx2_wrapper
+#include "../svml_d_atan8_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core.c
new file mode 100644
index 0000000000..e97a41b6bc
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core.c
@@ -0,0 +1,27 @@ 
+/* Multiple versions of vectorized atan, vector length is 8.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVeN8v_atan
+#include "ifunc-mathvec-avx512-skx.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVeN8v_atan, __GI__ZGVeN8v_atan, __redirect__ZGVeN8v_atan)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core_avx512.S
new file mode 100644
index 0000000000..727d6ab71c
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_atan8_core_avx512.S
@@ -0,0 +1,1323 @@ 
+/* Function atan vectorized with AVX-512.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVeN8v_atan_skx)
+        vmovups   64+__svml_datan_data_internal_avx512(%rip), %zmm4
+        vmovups   128+__svml_datan_data_internal_avx512(%rip), %zmm3
+        vmovups   256+__svml_datan_data_internal_avx512(%rip), %zmm9
+
+/* saturate X range */
+        vmovups   320+__svml_datan_data_internal_avx512(%rip), %zmm7
+        vandpd    __svml_datan_data_internal_avx512(%rip), %zmm0, %zmm8
+
+/* R+Rl = DiffX/Y */
+        vbroadcastsd .FLT_14(%rip), %zmm15
+        vaddpd    {rn-sae}, %zmm4, %zmm8, %zmm2
+        vxorpd    %zmm0, %zmm8, %zmm1
+        vcmppd    $29, {sae}, %zmm3, %zmm8, %k2
+
+/* round to 2 bits after binary point */
+        vreducepd $40, {sae}, %zmm8, %zmm6
+        vsubpd    {rn-sae}, %zmm4, %zmm2, %zmm5
+
+/*
+ * if|X|>=MaxThreshold, set DiffX=-1
+ * VMSUB(D, DiffX, LargeMask, Zero, One);
+ */
+        vblendmpd 192+__svml_datan_data_internal_avx512(%rip), %zmm6, %zmm10{%k2}
+        vfmadd231pd {rn-sae}, %zmm8, %zmm5, %zmm9
+        vmovups   960+__svml_datan_data_internal_avx512(%rip), %zmm5
+
+/* table lookup sequence */
+        vmovups   448+__svml_datan_data_internal_avx512(%rip), %zmm6
+        vgetmantpd $0, {sae}, %zmm10, %zmm14
+        vgetexppd {sae}, %zmm10, %zmm11
+        vmovups   1408+__svml_datan_data_internal_avx512(%rip), %zmm10
+
+/*
+ * if|X|>=MaxThreshold, set Y=X
+ * VMADD(D, Y, LargeMask, X, Zero);
+ */
+        vminpd    {sae}, %zmm8, %zmm7, %zmm9{%k2}
+        vcmppd    $29, {sae}, %zmm5, %zmm2, %k1
+        vmovups   576+__svml_datan_data_internal_avx512(%rip), %zmm7
+        vmovups   1152+__svml_datan_data_internal_avx512(%rip), %zmm8
+        vgetmantpd $0, {sae}, %zmm9, %zmm3
+        vgetexppd {sae}, %zmm9, %zmm12
+        vmovups   1280+__svml_datan_data_internal_avx512(%rip), %zmm9
+        vpermt2pd 512+__svml_datan_data_internal_avx512(%rip), %zmm2, %zmm6
+        vsubpd    {rn-sae}, %zmm12, %zmm11, %zmm4
+        vpermt2pd 640+__svml_datan_data_internal_avx512(%rip), %zmm2, %zmm7
+        vrcp14pd  %zmm3, %zmm13
+        vmovups   1344+__svml_datan_data_internal_avx512(%rip), %zmm12
+        vmovups   1472+__svml_datan_data_internal_avx512(%rip), %zmm11
+        vblendmpd %zmm7, %zmm6, %zmm2{%k1}
+        vmulpd    {rn-sae}, %zmm13, %zmm14, %zmm0
+        vfnmadd231pd {rn-sae}, %zmm3, %zmm13, %zmm15
+        vfnmadd213pd {rn-sae}, %zmm14, %zmm0, %zmm3
+        vfmadd213pd {rn-sae}, %zmm15, %zmm15, %zmm15
+        vfmadd213pd {rn-sae}, %zmm13, %zmm13, %zmm15
+        vfmadd213pd {rn-sae}, %zmm0, %zmm15, %zmm3
+        vscalefpd {rn-sae}, %zmm4, %zmm3, %zmm0
+
+/* set table value to Pi/2 for large X */
+        vblendmpd 1024+__svml_datan_data_internal_avx512(%rip), %zmm2, %zmm3{%k2}
+        vmovups   1216+__svml_datan_data_internal_avx512(%rip), %zmm2
+
+/* polynomial evaluation */
+        vmulpd    {rn-sae}, %zmm0, %zmm0, %zmm14
+        vmulpd    {rn-sae}, %zmm14, %zmm14, %zmm13
+        vmulpd    {rn-sae}, %zmm0, %zmm14, %zmm15
+        vfmadd231pd {rn-sae}, %zmm14, %zmm8, %zmm2
+        vfmadd231pd {rn-sae}, %zmm14, %zmm9, %zmm12
+        vfmadd213pd {rn-sae}, %zmm11, %zmm10, %zmm14
+        vfmadd213pd {rn-sae}, %zmm12, %zmm13, %zmm2
+        vfmadd213pd {rn-sae}, %zmm14, %zmm13, %zmm2
+        vfmadd213pd {rn-sae}, %zmm0, %zmm15, %zmm2
+        vaddpd    {rn-sae}, %zmm3, %zmm2, %zmm0
+        vxorpd    %zmm1, %zmm0, %zmm0
+        ret
+
+END(_ZGVeN8v_atan_skx)
+
+        .align    16,0x90
+
+__svml_datan_cout_rare_internal:
+
+        cfi_startproc
+
+        movzwl    6(%rdi), %r8d
+        andl      $32752, %r8d
+        shrl      $4, %r8d
+        cmpl      $2047, %r8d
+        je        .LBL_2_12
+        movq      (%rdi), %rdx
+        movq      %rdx, -16(%rsp)
+        shrq      $56, %rdx
+        movb      7(%rdi), %al
+        andl      $127, %edx
+        movb      %dl, -9(%rsp)
+        movsd     -16(%rsp), %xmm0
+        shrb      $7, %al
+        comisd    1888+__datan_la_CoutTab(%rip), %xmm0
+        movl      -12(%rsp), %ecx
+        jb        .LBL_2_6
+        movsd     1896+__datan_la_CoutTab(%rip), %xmm1
+        comisd    %xmm0, %xmm1
+        jbe       .LBL_2_5
+        movl      4(%rdi), %edx
+        movl      %ecx, %edi
+        andl      $-524288, %ecx
+        andl      $-1048576, %edi
+        addl      $262144, %ecx
+        movaps    %xmm0, %xmm9
+        andl      $1048575, %ecx
+        movaps    %xmm0, %xmm10
+        movsd     %xmm0, -56(%rsp)
+        orl       %ecx, %edi
+        movl      $0, -56(%rsp)
+        andl      $1048575, %edx
+        movl      %edi, -52(%rsp)
+        lea       __datan_la_CoutTab(%rip), %rcx
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     -56(%rsp), %xmm15
+        shll      $20, %r8d
+        subsd     -56(%rsp), %xmm9
+        mulsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        shlb      $7, %al
+        mulsd     %xmm9, %xmm4
+        movsd     %xmm4, -48(%rsp)
+        orl       %edx, %r8d
+        movsd     -48(%rsp), %xmm5
+        addl      $-1069547520, %r8d
+        sarl      $18, %r8d
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        andl      $-2, %r8d
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        movslq    %r8d, %r8
+        subsd     %xmm6, %xmm7
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm2
+        movsd     -40(%rsp), %xmm3
+        movsd     %xmm10, -48(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm8
+        subsd     -16(%rsp), %xmm11
+        movsd     %xmm11, -40(%rsp)
+        movsd     -48(%rsp), %xmm13
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm12, %xmm13
+        movsd     %xmm13, -48(%rsp)
+        movsd     -48(%rsp), %xmm14
+        subsd     %xmm14, %xmm0
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm14
+        movsd     %xmm0, -40(%rsp)
+        movsd     -48(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm4
+        mulsd     %xmm15, %xmm5
+        mulsd     %xmm15, %xmm4
+        movaps    %xmm5, %xmm1
+        addsd     %xmm4, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        subsd     %xmm0, %xmm5
+        addsd     %xmm4, %xmm5
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm4
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm11
+        movsd     -40(%rsp), %xmm1
+        addsd     %xmm11, %xmm6
+        movsd     %xmm6, -48(%rsp)
+        movsd     -48(%rsp), %xmm7
+        subsd     %xmm7, %xmm8
+        movsd     %xmm8, -40(%rsp)
+        movsd     -48(%rsp), %xmm10
+        movsd     -40(%rsp), %xmm9
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -40(%rsp), %xmm12
+        movsd     1928+__datan_la_CoutTab(%rip), %xmm10
+        addsd     %xmm11, %xmm12
+        movsd     %xmm12, -40(%rsp)
+        movsd     -32(%rsp), %xmm13
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm11
+        subsd     %xmm13, %xmm14
+        movsd     %xmm14, -32(%rsp)
+        movsd     -40(%rsp), %xmm0
+        movsd     -32(%rsp), %xmm15
+        addsd     %xmm15, %xmm0
+        movsd     %xmm0, -32(%rsp)
+        movsd     -48(%rsp), %xmm9
+        mulsd     %xmm9, %xmm4
+        movsd     -32(%rsp), %xmm0
+        movsd     %xmm4, -48(%rsp)
+        addsd     %xmm1, %xmm0
+        movsd     -48(%rsp), %xmm5
+        subsd     %xmm9, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -48(%rsp), %xmm7
+        movsd     -40(%rsp), %xmm6
+        subsd     %xmm6, %xmm7
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm6
+        movsd     %xmm7, -48(%rsp)
+        movsd     -48(%rsp), %xmm8
+        subsd     %xmm8, %xmm9
+        movsd     %xmm9, -40(%rsp)
+        movsd     -48(%rsp), %xmm4
+        divsd     %xmm4, %xmm11
+        mulsd     %xmm11, %xmm10
+        movsd     -40(%rsp), %xmm5
+        movsd     %xmm10, -40(%rsp)
+        addsd     %xmm0, %xmm5
+        movsd     -40(%rsp), %xmm12
+        subsd     %xmm11, %xmm12
+        movsd     %xmm12, -32(%rsp)
+        movsd     -40(%rsp), %xmm10
+        movsd     -32(%rsp), %xmm13
+        subsd     %xmm13, %xmm10
+        movsd     %xmm10, -32(%rsp)
+        movsd     -32(%rsp), %xmm14
+        mulsd     %xmm14, %xmm4
+        movsd     -32(%rsp), %xmm15
+        subsd     %xmm4, %xmm6
+        mulsd     %xmm15, %xmm5
+        movsd     %xmm5, -40(%rsp)
+        movsd     -40(%rsp), %xmm1
+        subsd     %xmm1, %xmm6
+        movsd     %xmm6, -40(%rsp)
+        movsd     -40(%rsp), %xmm4
+        movsd     -32(%rsp), %xmm5
+        movsd     -40(%rsp), %xmm0
+        movaps    %xmm5, %xmm7
+        movsd     -32(%rsp), %xmm1
+        mulsd     %xmm3, %xmm5
+        addsd     1904+__datan_la_CoutTab(%rip), %xmm4
+        mulsd     %xmm2, %xmm7
+        mulsd     %xmm0, %xmm4
+        mulsd     %xmm1, %xmm4
+        mulsd     %xmm4, %xmm3
+        mulsd     %xmm4, %xmm2
+        addsd     %xmm3, %xmm5
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm6
+        addsd     %xmm2, %xmm5
+        movsd     %xmm5, -48(%rsp)
+        movaps    %xmm7, %xmm2
+        movsd     -48(%rsp), %xmm4
+        addsd     %xmm4, %xmm2
+        movsd     %xmm2, -48(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movsd     (%rcx,%r8,8), %xmm2
+        subsd     %xmm3, %xmm7
+        addsd     %xmm4, %xmm7
+        movsd     %xmm7, -40(%rsp)
+        movsd     -48(%rsp), %xmm3
+        movaps    %xmm3, %xmm5
+        movaps    %xmm3, %xmm0
+        mulsd     %xmm3, %xmm5
+        addsd     %xmm2, %xmm0
+        mulsd     %xmm5, %xmm6
+        movsd     -40(%rsp), %xmm10
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm1
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm6
+        subsd     %xmm1, %xmm2
+        mulsd     %xmm5, %xmm6
+        addsd     %xmm3, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        movsd     %xmm2, -40(%rsp)
+        movsd     -48(%rsp), %xmm9
+        movsd     -40(%rsp), %xmm8
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm6
+        mulsd     %xmm5, %xmm6
+        mulsd     %xmm3, %xmm6
+        addsd     %xmm6, %xmm10
+        addsd     8(%rcx,%r8,8), %xmm10
+        addsd     %xmm8, %xmm10
+        addsd     %xmm9, %xmm10
+        movsd     %xmm10, -24(%rsp)
+        movb      -17(%rsp), %r9b
+        andb      $127, %r9b
+        orb       %al, %r9b
+        movb      %r9b, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_5:
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        shlb      $7, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_6:
+        comisd    1880+__datan_la_CoutTab(%rip), %xmm0
+        jb        .LBL_2_8
+        movaps    %xmm0, %xmm1
+        mulsd     %xmm0, %xmm1
+        shlb      $7, %al
+        movsd     1872+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1864+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1856+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1848+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1840+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1832+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        addsd     1824+__datan_la_CoutTab(%rip), %xmm2
+        mulsd     %xmm1, %xmm2
+        mulsd     %xmm0, %xmm2
+        addsd     %xmm0, %xmm2
+        movsd     %xmm2, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_8:
+        movzwl    -10(%rsp), %edx
+        testl     $32752, %edx
+        je        .LBL_2_10
+        movsd     1904+__datan_la_CoutTab(%rip), %xmm1
+        shlb      $7, %al
+        addsd     %xmm0, %xmm1
+        movsd     %xmm1, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        mulsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_10:
+        mulsd     %xmm0, %xmm0
+        shlb      $7, %al
+        movsd     %xmm0, -48(%rsp)
+        movsd     -48(%rsp), %xmm0
+        addsd     -16(%rsp), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rax
+        movq      %rax, (%rsi)
+
+.LBL_2_11:
+        xorl      %eax, %eax
+        ret
+
+.LBL_2_12:
+        testl     $1048575, 4(%rdi)
+        jne       .LBL_2_15
+        cmpl      $0, (%rdi)
+        jne       .LBL_2_15
+        movsd     1912+__datan_la_CoutTab(%rip), %xmm0
+        movb      7(%rdi), %al
+        andb      $-128, %al
+        addsd     1920+__datan_la_CoutTab(%rip), %xmm0
+        movsd     %xmm0, -24(%rsp)
+        movb      -17(%rsp), %dl
+        andb      $127, %dl
+        orb       %al, %dl
+        movb      %dl, -17(%rsp)
+        movq      -24(%rsp), %rcx
+        movq      %rcx, (%rsi)
+        jmp       .LBL_2_11
+
+.LBL_2_15:
+        movsd     (%rdi), %xmm0
+        addsd     %xmm0, %xmm0
+        movsd     %xmm0, (%rsi)
+        jmp       .LBL_2_11
+
+        cfi_endproc
+
+        .type	__svml_datan_cout_rare_internal,@function
+        .size	__svml_datan_cout_rare_internal,.-__svml_datan_cout_rare_internal
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_datan_data_internal_avx512:
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	4294967295
+        .long	2147483647
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1125646336
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	1075806208
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	3220176896
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1072693248
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	1206910976
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	4180443357
+        .long	1070553973
+        .long	90291023
+        .long	1071492199
+        .long	2737217249
+        .long	1071945615
+        .long	1413754136
+        .long	1072243195
+        .long	1468297118
+        .long	1072475260
+        .long	3531732635
+        .long	1072657163
+        .long	744202399
+        .long	1072747407
+        .long	2464923204
+        .long	1072805601
+        .long	1436891685
+        .long	1072853231
+        .long	2037009832
+        .long	1072892781
+        .long	1826698067
+        .long	1072926058
+        .long	1803191648
+        .long	1072954391
+        .long	2205372832
+        .long	1072978772
+        .long	4234512805
+        .long	1072999952
+        .long	3932628503
+        .long	1073018509
+        .long	2501811453
+        .long	1073034892
+        .long	866379431
+        .long	1073049455
+        .long	1376865888
+        .long	1073062480
+        .long	3290094269
+        .long	1073074195
+        .long	354764887
+        .long	1073084787
+        .long	3332975497
+        .long	1073094406
+        .long	1141460092
+        .long	1073103181
+        .long	745761286
+        .long	1073111216
+        .long	1673304509
+        .long	1073118600
+        .long	983388243
+        .long	1073125409
+        .long	3895509104
+        .long	1073131706
+        .long	2128523669
+        .long	1073137548
+        .long	2075485693
+        .long	1073142981
+        .long	121855980
+        .long	1073148047
+        .long	4181733783
+        .long	1073152780
+        .long	2887813284
+        .long	1073157214
+        .long	0
+        .long	0
+        .long	1022865341
+        .long	1013492590
+        .long	573531618
+        .long	1014639487
+        .long	2280825944
+        .long	1014120858
+        .long	856972295
+        .long	1015129638
+        .long	986810987
+        .long	1015077601
+        .long	2062601149
+        .long	1013974920
+        .long	589036912
+        .long	3164328156
+        .long	1787331214
+        .long	1016798022
+        .long	2942272763
+        .long	3164235441
+        .long	2956702105
+        .long	1016472908
+        .long	3903328092
+        .long	3162582135
+        .long	3175026820
+        .long	3158589859
+        .long	787328196
+        .long	1014621351
+        .long	2317874517
+        .long	3163795518
+        .long	4071621134
+        .long	1016673529
+        .long	2492111345
+        .long	3164172103
+        .long	3606178875
+        .long	3162371821
+        .long	3365790232
+        .long	1014547152
+        .long	2710887773
+        .long	1017086651
+        .long	2755350986
+        .long	3162706257
+        .long	198095269
+        .long	3162802133
+        .long	2791076759
+        .long	3164364640
+        .long	4214434319
+        .long	3162164074
+        .long	773754012
+        .long	3164190653
+        .long	139561443
+        .long	3164313657
+        .long	2197796619
+        .long	3164066219
+        .long	3592486882
+        .long	1016669082
+        .long	1148791015
+        .long	3163724934
+        .long	386789398
+        .long	3163117479
+        .long	2518816264
+        .long	3162291736
+        .long	2545101323
+        .long	3164592727
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	16
+        .long	1125646336
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	1413754136
+        .long	1073291771
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	856972295
+        .long	1016178214
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	4123328151
+        .long	1068689849
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	3295121612
+        .long	3216458327
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	4026078880
+        .long	1069314495
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2398029018
+        .long	3217180964
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	2576905246
+        .long	1070176665
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .long	1431655757
+        .long	3218429269
+        .type	__svml_datan_data_internal_avx512,@object
+        .size	__svml_datan_data_internal_avx512,1536
+        .align 32
+
+__datan_la_CoutTab:
+        .long	3892314112
+        .long	1069799150
+        .long	2332892550
+        .long	1039715405
+        .long	1342177280
+        .long	1070305495
+        .long	270726690
+        .long	1041535749
+        .long	939524096
+        .long	1070817911
+        .long	2253973841
+        .long	3188654726
+        .long	3221225472
+        .long	1071277294
+        .long	3853927037
+        .long	1043226911
+        .long	2818572288
+        .long	1071767563
+        .long	2677759107
+        .long	1044314101
+        .long	3355443200
+        .long	1072103591
+        .long	1636578514
+        .long	3191094734
+        .long	1476395008
+        .long	1072475260
+        .long	1864703685
+        .long	3188646936
+        .long	805306368
+        .long	1072747407
+        .long	192551812
+        .long	3192726267
+        .long	2013265920
+        .long	1072892781
+        .long	2240369452
+        .long	1043768538
+        .long	0
+        .long	1072999953
+        .long	3665168337
+        .long	3192705970
+        .long	402653184
+        .long	1073084787
+        .long	1227953434
+        .long	3192313277
+        .long	2013265920
+        .long	1073142981
+        .long	3853283127
+        .long	1045277487
+        .long	805306368
+        .long	1073187261
+        .long	1676192264
+        .long	3192868861
+        .long	134217728
+        .long	1073217000
+        .long	4290763938
+        .long	1042034855
+        .long	671088640
+        .long	1073239386
+        .long	994303084
+        .long	3189643768
+        .long	402653184
+        .long	1073254338
+        .long	1878067156
+        .long	1042652475
+        .long	1610612736
+        .long	1073265562
+        .long	670314820
+        .long	1045138554
+        .long	3221225472
+        .long	1073273048
+        .long	691126919
+        .long	3189987794
+        .long	3489660928
+        .long	1073278664
+        .long	1618990832
+        .long	3188194509
+        .long	1207959552
+        .long	1073282409
+        .long	2198872939
+        .long	1044806069
+        .long	3489660928
+        .long	1073285217
+        .long	2633982383
+        .long	1042307894
+        .long	939524096
+        .long	1073287090
+        .long	1059367786
+        .long	3189114230
+        .long	2281701376
+        .long	1073288494
+        .long	3158525533
+        .long	1044484961
+        .long	3221225472
+        .long	1073289430
+        .long	286581777
+        .long	1044893263
+        .long	4026531840
+        .long	1073290132
+        .long	2000245215
+        .long	3191647611
+        .long	134217728
+        .long	1073290601
+        .long	4205071590
+        .long	1045035927
+        .long	536870912
+        .long	1073290952
+        .long	2334392229
+        .long	1043447393
+        .long	805306368
+        .long	1073291186
+        .long	2281458177
+        .long	3188885569
+        .long	3087007744
+        .long	1073291361
+        .long	691611507
+        .long	1044733832
+        .long	3221225472
+        .long	1073291478
+        .long	1816229550
+        .long	1044363390
+        .long	2281701376
+        .long	1073291566
+        .long	1993843750
+        .long	3189837440
+        .long	134217728
+        .long	1073291625
+        .long	3654754496
+        .long	1044970837
+        .long	4026531840
+        .long	1073291668
+        .long	3224300229
+        .long	3191935390
+        .long	805306368
+        .long	1073291698
+        .long	2988777976
+        .long	3188950659
+        .long	536870912
+        .long	1073291720
+        .long	1030371341
+        .long	1043402665
+        .long	3221225472
+        .long	1073291734
+        .long	1524463765
+        .long	1044361356
+        .long	3087007744
+        .long	1073291745
+        .long	2754295320
+        .long	1044731036
+        .long	134217728
+        .long	1073291753
+        .long	3099629057
+        .long	1044970710
+        .long	2281701376
+        .long	1073291758
+        .long	962914160
+        .long	3189838838
+        .long	805306368
+        .long	1073291762
+        .long	3543908206
+        .long	3188950786
+        .long	4026531840
+        .long	1073291764
+        .long	1849909620
+        .long	3191935434
+        .long	3221225472
+        .long	1073291766
+        .long	1641333636
+        .long	1044361352
+        .long	536870912
+        .long	1073291768
+        .long	1373968792
+        .long	1043402654
+        .long	134217728
+        .long	1073291769
+        .long	2033191599
+        .long	1044970710
+        .long	3087007744
+        .long	1073291769
+        .long	4117947437
+        .long	1044731035
+        .long	805306368
+        .long	1073291770
+        .long	315378368
+        .long	3188950787
+        .long	2281701376
+        .long	1073291770
+        .long	2428571750
+        .long	3189838838
+        .long	3221225472
+        .long	1073291770
+        .long	1608007466
+        .long	1044361352
+        .long	4026531840
+        .long	1073291770
+        .long	1895711420
+        .long	3191935434
+        .long	134217728
+        .long	1073291771
+        .long	2031108713
+        .long	1044970710
+        .long	536870912
+        .long	1073291771
+        .long	1362518342
+        .long	1043402654
+        .long	805306368
+        .long	1073291771
+        .long	317461253
+        .long	3188950787
+        .long	939524096
+        .long	1073291771
+        .long	4117231784
+        .long	1044731035
+        .long	1073741824
+        .long	1073291771
+        .long	1607942376
+        .long	1044361352
+        .long	1207959552
+        .long	1073291771
+        .long	2428929577
+        .long	3189838838
+        .long	1207959552
+        .long	1073291771
+        .long	2031104645
+        .long	1044970710
+        .long	1342177280
+        .long	1073291771
+        .long	1895722602
+        .long	3191935434
+        .long	1342177280
+        .long	1073291771
+        .long	317465322
+        .long	3188950787
+        .long	1342177280
+        .long	1073291771
+        .long	1362515546
+        .long	1043402654
+        .long	1342177280
+        .long	1073291771
+        .long	1607942248
+        .long	1044361352
+        .long	1342177280
+        .long	1073291771
+        .long	4117231610
+        .long	1044731035
+        .long	1342177280
+        .long	1073291771
+        .long	2031104637
+        .long	1044970710
+        .long	1342177280
+        .long	1073291771
+        .long	1540251232
+        .long	1045150466
+        .long	1342177280
+        .long	1073291771
+        .long	2644671394
+        .long	1045270303
+        .long	1342177280
+        .long	1073291771
+        .long	2399244691
+        .long	1045360181
+        .long	1342177280
+        .long	1073291771
+        .long	803971124
+        .long	1045420100
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192879152
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192849193
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192826724
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192811744
+        .long	1476395008
+        .long	1073291771
+        .long	2754716064
+        .long	3192800509
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192793019
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
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+        .long	1476395008
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+        .long	2263862659
+        .long	3192783657
+        .long	1476395008
+        .long	1073291771
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+        .long	3192780848
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
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+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192777572
+        .long	1476395008
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+        .long	1476395008
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+        .long	1476395008
+        .long	1073291771
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+        .long	3192775465
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
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+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774880
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192774704
+        .long	1476395008
+        .long	1073291771
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+        .long	1476395008
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+        .long	2263862659
+        .long	3192774441
+        .long	1476395008
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+        .long	3192774397
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774368
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
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+        .long	1476395008
+        .long	1073291771
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+        .long	3192774331
+        .long	1476395008
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+        .long	3613709523
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+        .long	1476395008
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+        .long	1073291771
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+        .long	1476395008
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+        .long	1650295902
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+        .long	3192774301
+        .long	1476395008
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+        .long	1476395008
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+        .long	1895722605
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+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774297
+        .long	1476395008
+        .long	1073291771
+        .long	3613709523
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	177735686
+        .long	3192774296
+        .long	1476395008
+        .long	1073291771
+        .long	3490996172
+        .long	3192774295
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+        .long	1073291771
+        .long	2754716064
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	2263862659
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1895722605
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1650295902
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1466225875
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1343512524
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1251477510
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1190120835
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1144103328
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1113424990
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1090416237
+        .long	3192774295
+        .long	1476395008
+        .long	1073291771
+        .long	1075077068
+        .long	3192774295
+        .long	1431655765
+        .long	3218429269
+        .long	2576978363
+        .long	1070176665
+        .long	2453154343
+        .long	3217180964
+        .long	4189149139
+        .long	1069314502
+        .long	1775019125
+        .long	3216459198
+        .long	273199057
+        .long	1068739452
+        .long	874748308
+        .long	3215993277
+        .long	0
+        .long	1017118720
+        .long	0
+        .long	1069547520
+        .long	0
+        .long	1129316352
+        .long	0
+        .long	1072693248
+        .long	1413754136
+        .long	1073291771
+        .long	856972295
+        .long	1016178214
+        .long	33554432
+        .long	1101004800
+        .type	__datan_la_CoutTab,@object
+        .size	__datan_la_CoutTab,1936
+        .align 8
+
+.FLT_14:
+        .long	0x00000000,0x3ff00000
+        .type	.FLT_14,@object
+        .size	.FLT_14,8
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core-avx2.S
new file mode 100644
index 0000000000..27623cdf16
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core-avx2.S
@@ -0,0 +1,20 @@ 
+/* AVX2 version of vectorized atanf.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVeN16v_atanf _ZGVeN16v_atanf_avx2_wrapper
+#include "../svml_s_atanf16_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core.c
new file mode 100644
index 0000000000..940de26615
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core.c
@@ -0,0 +1,28 @@ 
+/* Multiple versions of vectorized atanf, vector length is 16.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVeN16v_atanf
+#include "ifunc-mathvec-avx512-skx.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVeN16v_atanf, __GI__ZGVeN16v_atanf,
+	       __redirect__ZGVeN16v_atanf)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core_avx512.S
new file mode 100644
index 0000000000..aa35261d9b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf16_core_avx512.S
@@ -0,0 +1,352 @@ 
+/* Function atanf vectorized with AVX-512.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVeN16v_atanf_skx)
+        vandps    __svml_satan_data_internal_avx512(%rip), %zmm0, %zmm7
+        vmovups   128+__svml_satan_data_internal_avx512(%rip), %zmm3
+        vmovups   256+__svml_satan_data_internal_avx512(%rip), %zmm8
+
+/* round to 2 bits after binary point */
+        vreduceps $40, {sae}, %zmm7, %zmm5
+
+/* saturate X range */
+        vmovups   320+__svml_satan_data_internal_avx512(%rip), %zmm6
+        vmovups   64+__svml_satan_data_internal_avx512(%rip), %zmm2
+        vcmpps    $29, {sae}, %zmm3, %zmm7, %k1
+
+/* table lookup sequence */
+        vmovups   448+__svml_satan_data_internal_avx512(%rip), %zmm3
+        vsubps    {rn-sae}, %zmm5, %zmm7, %zmm4
+        vaddps    {rn-sae}, %zmm2, %zmm7, %zmm1
+        vxorps    %zmm0, %zmm7, %zmm0
+        vfmadd231ps {rn-sae}, %zmm7, %zmm4, %zmm8
+        vmovups   896+__svml_satan_data_internal_avx512(%rip), %zmm4
+
+/* if|X|>=MaxThreshold, set DiffX=-1 */
+        vblendmps 192+__svml_satan_data_internal_avx512(%rip), %zmm5, %zmm9{%k1}
+        vmovups   960+__svml_satan_data_internal_avx512(%rip), %zmm5
+
+/* if|X|>=MaxThreshold, set Y=X */
+        vminps    {sae}, %zmm7, %zmm6, %zmm8{%k1}
+
+/* R+Rl = DiffX/Y */
+        vgetmantps $0, {sae}, %zmm9, %zmm12
+        vgetexpps {sae}, %zmm9, %zmm10
+        vpermt2ps 512+__svml_satan_data_internal_avx512(%rip), %zmm1, %zmm3
+        vgetmantps $0, {sae}, %zmm8, %zmm15
+        vgetexpps {sae}, %zmm8, %zmm11
+        vmovups   832+__svml_satan_data_internal_avx512(%rip), %zmm1
+
+/* set table value to Pi/2 for large X */
+        vblendmps 704+__svml_satan_data_internal_avx512(%rip), %zmm3, %zmm9{%k1}
+        vrcp14ps  %zmm15, %zmm13
+        vsubps    {rn-sae}, %zmm11, %zmm10, %zmm2
+        vmulps    {rn-sae}, %zmm13, %zmm12, %zmm14
+        vfnmadd213ps {rn-sae}, %zmm12, %zmm14, %zmm15
+        vfmadd213ps {rn-sae}, %zmm14, %zmm13, %zmm15
+        vscalefps {rn-sae}, %zmm2, %zmm15, %zmm7
+
+/* polynomial evaluation */
+        vmulps    {rn-sae}, %zmm7, %zmm7, %zmm8
+        vmulps    {rn-sae}, %zmm7, %zmm8, %zmm6
+        vfmadd231ps {rn-sae}, %zmm8, %zmm1, %zmm4
+        vfmadd213ps {rn-sae}, %zmm5, %zmm4, %zmm8
+        vfmadd213ps {rn-sae}, %zmm7, %zmm6, %zmm8
+        vaddps    {rn-sae}, %zmm9, %zmm8, %zmm10
+        vxorps    %zmm0, %zmm10, %zmm0
+        ret
+
+END(_ZGVeN16v_atanf_skx)
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_satan_data_internal_avx512:
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1241513984
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	1089994752
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	3212836864
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	1333788672
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	0
+        .long	1048239024
+        .long	1055744824
+        .long	1059372157
+        .long	1061752795
+        .long	1063609315
+        .long	1065064543
+        .long	1065786489
+        .long	1066252045
+        .long	1066633083
+        .long	1066949484
+        .long	1067215699
+        .long	1067442363
+        .long	1067637412
+        .long	1067806856
+        .long	1067955311
+        .long	1068086373
+        .long	1068202874
+        .long	1068307075
+        .long	1068400798
+        .long	1068485529
+        .long	1068562486
+        .long	1068632682
+        .long	1068696961
+        .long	1068756035
+        .long	1068810506
+        .long	1068860887
+        .long	1068907620
+        .long	1068951084
+        .long	1068991608
+        .long	1069029480
+        .long	1069064949
+        .long	0
+        .long	2975494116
+        .long	833369962
+        .long	835299256
+        .long	2998648110
+        .long	2995239174
+        .long	3000492182
+        .long	860207626
+        .long	3008447516
+        .long	3005590622
+        .long	3000153675
+        .long	860754741
+        .long	859285590
+        .long	844944488
+        .long	2993069463
+        .long	858157665
+        .long	3006142000
+        .long	3007693206
+        .long	3009342234
+        .long	847469400
+        .long	3006114683
+        .long	852829553
+        .long	847325583
+        .long	860305056
+        .long	846145135
+        .long	2997638646
+        .long	855837703
+        .long	2979047222
+        .long	2995344192
+        .long	854092798
+        .long	3000498637
+        .long	859965578
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3007036718
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	3188697310
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	1045219554
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .long	3198855850
+        .type	__svml_satan_data_internal_avx512,@object
+        .size	__svml_satan_data_internal_avx512,1024
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core-sse2.S
new file mode 100644
index 0000000000..fe81170666
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core-sse2.S
@@ -0,0 +1,20 @@ 
+/* SSE2 version of vectorized atanf, vector length is 4.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVbN4v_atanf _ZGVbN4v_atanf_sse2
+#include "../svml_s_atanf4_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core.c
new file mode 100644
index 0000000000..975ece6812
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core.c
@@ -0,0 +1,28 @@ 
+/* Multiple versions of vectorized atanf, vector length is 4.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVbN4v_atanf
+#include "ifunc-mathvec-sse4_1.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVbN4v_atanf, __GI__ZGVbN4v_atanf,
+	       __redirect__ZGVbN4v_atanf)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core_sse4.S
new file mode 100644
index 0000000000..45d9803519
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf4_core_sse4.S
@@ -0,0 +1,884 @@ 
+/* Function atanf vectorized with SSE4.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVbN4v_atanf_sse4)
+        movaps    %xmm0, %xmm6
+
+/*
+ * To use minps\maxps operations for argument reduction
+ * uncomment _AT_USEMINMAX_ definition
+ *  Declarations
+ * Variables
+ * Constants
+ */
+        movups    64+__svml_satan_data_internal(%rip), %xmm3
+
+/*
+ * 1) If x>1,      then r=-1/x, PIO2=Pi/2
+ * 2) If -1<=x<=1, then r=x,    PIO2=0
+ * 3) If x<-1,     then r=-1/x, PIO2=-Pi/2
+ */
+        movups    128+__svml_satan_data_internal(%rip), %xmm2
+        andps     %xmm6, %xmm3
+        movaps    %xmm3, %xmm1
+        movaps    %xmm2, %xmm4
+        cmpleps   %xmm2, %xmm1
+        maxps     %xmm3, %xmm4
+        minps     %xmm3, %xmm2
+        divps     %xmm4, %xmm2
+        movups    __svml_satan_data_internal(%rip), %xmm5
+        movaps    %xmm1, %xmm0
+        andps     %xmm5, %xmm6
+        andnps    %xmm5, %xmm1
+        pxor      %xmm6, %xmm1
+        pxor      %xmm2, %xmm1
+
+/* Polynomial. */
+        movaps    %xmm1, %xmm4
+        mulps     %xmm1, %xmm4
+        movaps    %xmm4, %xmm3
+        mulps     %xmm4, %xmm3
+        movups    384+__svml_satan_data_internal(%rip), %xmm2
+        mulps     %xmm3, %xmm2
+        movups    448+__svml_satan_data_internal(%rip), %xmm7
+        mulps     %xmm3, %xmm7
+        addps     512+__svml_satan_data_internal(%rip), %xmm2
+        mulps     %xmm3, %xmm2
+        addps     576+__svml_satan_data_internal(%rip), %xmm7
+        mulps     %xmm3, %xmm7
+        addps     640+__svml_satan_data_internal(%rip), %xmm2
+        mulps     %xmm3, %xmm2
+        addps     704+__svml_satan_data_internal(%rip), %xmm7
+        mulps     %xmm7, %xmm3
+        addps     768+__svml_satan_data_internal(%rip), %xmm2
+        mulps     %xmm4, %xmm2
+        addps     832+__svml_satan_data_internal(%rip), %xmm3
+        andnps    256+__svml_satan_data_internal(%rip), %xmm0
+        addps     %xmm2, %xmm3
+        mulps     %xmm3, %xmm4
+        pxor      %xmm6, %xmm0
+        addps     896+__svml_satan_data_internal(%rip), %xmm4
+
+/* Reconstruction. */
+        mulps     %xmm4, %xmm1
+        addps     %xmm1, %xmm0
+        ret
+
+END(_ZGVbN4v_atanf_sse4)
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_satan_data_internal:
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .byte	0
+        .byte	0
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+        .byte	0
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .byte	0
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+        .byte	0
+        .byte	0
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .type	__svml_satan_data_internal,@object
+        .size	__svml_satan_data_internal,960
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core-sse.S
new file mode 100644
index 0000000000..1652a8f5c6
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core-sse.S
@@ -0,0 +1,20 @@ 
+/* SSE version of vectorized atanf, vector length is 8.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define _ZGVdN8v_atanf _ZGVdN8v_atanf_sse_wrapper
+#include "../svml_s_atanf8_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core.c
new file mode 100644
index 0000000000..733d8c3bc3
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core.c
@@ -0,0 +1,28 @@ 
+/* Multiple versions of vectorized atanf, vector length is 8.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#define SYMBOL_NAME _ZGVdN8v_atanf
+#include "ifunc-mathvec-avx2.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVdN8v_atanf, __GI__ZGVdN8v_atanf,
+	       __redirect__ZGVdN8v_atanf)
+  __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core_avx2.S
new file mode 100644
index 0000000000..0453d30551
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_atanf8_core_avx2.S
@@ -0,0 +1,688 @@ 
+/* Function atanf vectorized with AVX2.
+   Copyright (C) 2021 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
+   https://www.gnu.org/licenses/.  */
+
+/*
+ * ALGORITHM DESCRIPTION:
+ *
+ *      For    0.0    <= x <=  7.0/16.0: atan(x) = atan(0.0) + atan(s), where s=(x-0.0)/(1.0+0.0*x)
+ *      For  7.0/16.0 <= x <= 11.0/16.0: atan(x) = atan(0.5) + atan(s), where s=(x-0.5)/(1.0+0.5*x)
+ *      For 11.0/16.0 <= x <= 19.0/16.0: atan(x) = atan(1.0) + atan(s), where s=(x-1.0)/(1.0+1.0*x)
+ *      For 19.0/16.0 <= x <= 39.0/16.0: atan(x) = atan(1.5) + atan(s), where s=(x-1.5)/(1.0+1.5*x)
+ *      For 39.0/16.0 <= x <=    inf   : atan(x) = atan(inf) + atan(s), where s=-1.0/x
+ *      Where atan(s) ~= s+s^3*Poly11(s^2) on interval |s|<7.0/0.16.
+ *
+ */
+
+#include <sysdep.h>
+
+        .text
+ENTRY(_ZGVdN8v_atanf_avx2)
+/*
+ * 1) If x>1,      then r=-1/x, PIO2=Pi/2
+ * 2) If -1<=x<=1, then r=x,    PIO2=0
+ * 3) If x<-1,     then r=-1/x, PIO2=-Pi/2
+ */
+        vmovups   128+__svml_satan_data_internal(%rip), %ymm7
+        vmovups   __svml_satan_data_internal(%rip), %ymm4
+        vmovaps   %ymm0, %ymm5
+
+/*
+ * To use minps\maxps operations for argument reduction
+ * uncomment _AT_USEMINMAX_ definition
+ *  Declarations
+ * Variables
+ * Constants
+ */
+        vandps    64+__svml_satan_data_internal(%rip), %ymm5, %ymm0
+        vcmple_oqps %ymm7, %ymm0, %ymm3
+        vandps    %ymm4, %ymm5, %ymm2
+        vmaxps    %ymm0, %ymm7, %ymm5
+        vminps    %ymm0, %ymm7, %ymm0
+        vandnps   256+__svml_satan_data_internal(%rip), %ymm3, %ymm6
+        vxorps    %ymm2, %ymm6, %ymm1
+        vdivps    %ymm5, %ymm0, %ymm6
+        vmovups   384+__svml_satan_data_internal(%rip), %ymm0
+        vandnps   %ymm4, %ymm3, %ymm3
+        vxorps    %ymm2, %ymm3, %ymm2
+        vxorps    %ymm6, %ymm2, %ymm3
+
+/* Polynomial. */
+        vmulps    %ymm3, %ymm3, %ymm7
+        vmovups   448+__svml_satan_data_internal(%rip), %ymm2
+        vmulps    %ymm7, %ymm7, %ymm4
+        vfmadd213ps 512+__svml_satan_data_internal(%rip), %ymm4, %ymm0
+        vfmadd213ps 576+__svml_satan_data_internal(%rip), %ymm4, %ymm2
+        vfmadd213ps 640+__svml_satan_data_internal(%rip), %ymm4, %ymm0
+        vfmadd213ps 704+__svml_satan_data_internal(%rip), %ymm4, %ymm2
+        vfmadd213ps 768+__svml_satan_data_internal(%rip), %ymm4, %ymm0
+        vfmadd213ps 832+__svml_satan_data_internal(%rip), %ymm4, %ymm2
+        vfmadd213ps %ymm2, %ymm7, %ymm0
+        vfmadd213ps 896+__svml_satan_data_internal(%rip), %ymm7, %ymm0
+
+/* Reconstruction. */
+        vfmadd213ps %ymm1, %ymm3, %ymm0
+        ret
+
+END(_ZGVdN8v_atanf_avx2)
+
+        .section .rodata, "a"
+        .align 64
+
+__svml_satan_data_internal:
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .long	2147483648
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .long	2147483647
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .long	1073741824
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .long	1070141403
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .long	2139095040
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .long	993144000
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .long	3162449457
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .long	1026278276
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .long	3180885545
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .long	1037657204
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .long	3188810232
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .long	1045215135
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .long	3198855753
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .long	1065353216
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
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+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .byte	0
+        .type	__svml_satan_data_internal,@object
+        .size	__svml_satan_data_internal,960
diff --git a/sysdeps/x86_64/fpu/svml_d_atan2_core.S b/sysdeps/x86_64/fpu/svml_d_atan2_core.S
new file mode 100644
index 0000000000..e86d5b7047
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_atan2_core.S
@@ -0,0 +1,29 @@ 
+/* Function atan vectorized with SSE2.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_d_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVbN2v_atan)
+WRAPPER_IMPL_SSE2 atan
+END (_ZGVbN2v_atan)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVbN2v_atan)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_d_atan4_core.S b/sysdeps/x86_64/fpu/svml_d_atan4_core.S
new file mode 100644
index 0000000000..eb11fd2f17
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_atan4_core.S
@@ -0,0 +1,29 @@ 
+/* Function atan vectorized with AVX2, wrapper version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_d_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVdN4v_atan)
+WRAPPER_IMPL_AVX _ZGVbN2v_atan
+END (_ZGVdN4v_atan)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVdN4v_atan)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_d_atan4_core_avx.S b/sysdeps/x86_64/fpu/svml_d_atan4_core_avx.S
new file mode 100644
index 0000000000..b83a4be33d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_atan4_core_avx.S
@@ -0,0 +1,25 @@ 
+/* Function atan vectorized in AVX ISA as wrapper to SSE4 ISA version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_d_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVcN4v_atan)
+WRAPPER_IMPL_AVX _ZGVbN2v_atan
+END (_ZGVcN4v_atan)
diff --git a/sysdeps/x86_64/fpu/svml_d_atan8_core.S b/sysdeps/x86_64/fpu/svml_d_atan8_core.S
new file mode 100644
index 0000000000..9685a32bdc
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_atan8_core.S
@@ -0,0 +1,25 @@ 
+/* Function atan vectorized with AVX-512, wrapper to AVX2.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_d_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVeN8v_atan)
+WRAPPER_IMPL_AVX512 _ZGVdN4v_atan
+END (_ZGVeN8v_atan)
diff --git a/sysdeps/x86_64/fpu/svml_s_atanf16_core.S b/sysdeps/x86_64/fpu/svml_s_atanf16_core.S
new file mode 100644
index 0000000000..f82d2422ae
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_atanf16_core.S
@@ -0,0 +1,25 @@ 
+/* Function atanf vectorized with AVX-512. Wrapper to AVX2 version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_s_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVeN16v_atanf)
+WRAPPER_IMPL_AVX512 _ZGVdN8v_atanf
+END (_ZGVeN16v_atanf)
diff --git a/sysdeps/x86_64/fpu/svml_s_atanf4_core.S b/sysdeps/x86_64/fpu/svml_s_atanf4_core.S
new file mode 100644
index 0000000000..6b8c4d9624
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_atanf4_core.S
@@ -0,0 +1,29 @@ 
+/* Function atanf vectorized with SSE2, wrapper version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_s_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVbN4v_atanf)
+WRAPPER_IMPL_SSE2 atanf
+END (_ZGVbN4v_atanf)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVbN4v_atanf)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_s_atanf8_core.S b/sysdeps/x86_64/fpu/svml_s_atanf8_core.S
new file mode 100644
index 0000000000..315681f6c0
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_atanf8_core.S
@@ -0,0 +1,29 @@ 
+/* Function atanf vectorized with AVX2, wrapper version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_s_wrapper_impl.h"
+
+	.text
+ENTRY (_ZGVdN8v_atanf)
+WRAPPER_IMPL_AVX _ZGVbN4v_atanf
+END (_ZGVdN8v_atanf)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVdN8v_atanf)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_s_atanf8_core_avx.S b/sysdeps/x86_64/fpu/svml_s_atanf8_core_avx.S
new file mode 100644
index 0000000000..b9cd502186
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_atanf8_core_avx.S
@@ -0,0 +1,25 @@ 
+/* Function atanf vectorized in AVX ISA as wrapper to SSE4 ISA version.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include "svml_s_wrapper_impl.h"
+
+        .text
+ENTRY (_ZGVcN8v_atanf)
+WRAPPER_IMPL_AVX _ZGVbN4v_atanf
+END (_ZGVcN8v_atanf)
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx.c b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx.c
new file mode 100644
index 0000000000..0f7176a20b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx.c
@@ -0,0 +1 @@ 
+#include "test-double-libmvec-atan.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx2.c b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx2.c
new file mode 100644
index 0000000000..0f7176a20b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx2.c
@@ -0,0 +1 @@ 
+#include "test-double-libmvec-atan.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx512f.c b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx512f.c
new file mode 100644
index 0000000000..0f7176a20b
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-atan-avx512f.c
@@ -0,0 +1 @@ 
+#include "test-double-libmvec-atan.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-atan.c b/sysdeps/x86_64/fpu/test-double-libmvec-atan.c
new file mode 100644
index 0000000000..982687b169
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-atan.c
@@ -0,0 +1,3 @@ 
+#define LIBMVEC_TYPE double
+#define LIBMVEC_FUNC atan
+#include "test-vector-abi-arg1.h"
diff --git a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
index 50b4d7c02f..7abe3211c8 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVbN2v_acos)
 VECTOR_WRAPPER (WRAPPER_NAME (acosh), _ZGVbN2v_acosh)
 VECTOR_WRAPPER (WRAPPER_NAME (asin), _ZGVbN2v_asin)
 VECTOR_WRAPPER (WRAPPER_NAME (asinh), _ZGVbN2v_asinh)
+VECTOR_WRAPPER (WRAPPER_NAME (atan), _ZGVbN2v_atan)
 
 #define VEC_INT_TYPE __m128i
 
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
index 255df14db5..1537ed25cc 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
@@ -34,6 +34,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVdN4v_acos)
 VECTOR_WRAPPER (WRAPPER_NAME (acosh), _ZGVdN4v_acosh)
 VECTOR_WRAPPER (WRAPPER_NAME (asin), _ZGVdN4v_asin)
 VECTOR_WRAPPER (WRAPPER_NAME (asinh), _ZGVdN4v_asinh)
+VECTOR_WRAPPER (WRAPPER_NAME (atan), _ZGVdN4v_atan)
 
 #ifndef __ILP32__
 # define VEC_INT_TYPE __m256i
diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
index 355560d081..27bcc9c59a 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVcN4v_acos)
 VECTOR_WRAPPER (WRAPPER_NAME (acosh), _ZGVcN4v_acosh)
 VECTOR_WRAPPER (WRAPPER_NAME (asin), _ZGVcN4v_asin)
 VECTOR_WRAPPER (WRAPPER_NAME (asinh), _ZGVcN4v_asinh)
+VECTOR_WRAPPER (WRAPPER_NAME (atan), _ZGVcN4v_atan)
 
 #define VEC_INT_TYPE __m128i
 
diff --git a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
index b7ecf9c8f3..2333349893 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVeN8v_acos)
 VECTOR_WRAPPER (WRAPPER_NAME (acosh), _ZGVeN8v_acosh)
 VECTOR_WRAPPER (WRAPPER_NAME (asin), _ZGVeN8v_asin)
 VECTOR_WRAPPER (WRAPPER_NAME (asinh), _ZGVeN8v_asinh)
+VECTOR_WRAPPER (WRAPPER_NAME (atan), _ZGVeN8v_atan)
 
 #ifndef __ILP32__
 # define VEC_INT_TYPE __m512i
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx.c b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx.c
new file mode 100644
index 0000000000..9251c65f8a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx.c
@@ -0,0 +1 @@ 
+#include "test-float-libmvec-atanf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx2.c b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx2.c
new file mode 100644
index 0000000000..9251c65f8a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx2.c
@@ -0,0 +1 @@ 
+#include "test-float-libmvec-atanf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx512f.c b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx512f.c
new file mode 100644
index 0000000000..9251c65f8a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-atanf-avx512f.c
@@ -0,0 +1 @@ 
+#include "test-float-libmvec-atanf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-atanf.c b/sysdeps/x86_64/fpu/test-float-libmvec-atanf.c
new file mode 100644
index 0000000000..2a8ab87e86
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-atanf.c
@@ -0,0 +1,3 @@ 
+#define LIBMVEC_TYPE float
+#define LIBMVEC_FUNC atanf
+#include "test-vector-abi-arg1.h"
diff --git a/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c
index b1e47a4434..723651140e 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVeN16v_acosf)
 VECTOR_WRAPPER (WRAPPER_NAME (acoshf), _ZGVeN16v_acoshf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinf), _ZGVeN16v_asinf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinhf), _ZGVeN16v_asinhf)
+VECTOR_WRAPPER (WRAPPER_NAME (atanf), _ZGVeN16v_atanf)
 
 #define VEC_INT_TYPE __m512i
 
diff --git a/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c
index b2607f8467..da77149021 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVbN4v_acosf)
 VECTOR_WRAPPER (WRAPPER_NAME (acoshf), _ZGVbN4v_acoshf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinf), _ZGVbN4v_asinf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinhf), _ZGVbN4v_asinhf)
+VECTOR_WRAPPER (WRAPPER_NAME (atanf), _ZGVbN4v_atanf)
 
 #define VEC_INT_TYPE __m128i
 
diff --git a/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c
index 35e36c4510..a978f37e79 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c
@@ -34,6 +34,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVdN8v_acosf)
 VECTOR_WRAPPER (WRAPPER_NAME (acoshf), _ZGVdN8v_acoshf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinf), _ZGVdN8v_asinf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinhf), _ZGVdN8v_asinhf)
+VECTOR_WRAPPER (WRAPPER_NAME (atanf), _ZGVdN8v_atanf)
 
 /* Redefinition of wrapper to be compatible with _ZGVdN8vvv_sincosf.  */
 #undef VECTOR_WRAPPER_fFF
diff --git a/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c
index b01e99f690..1ae9a8c3c0 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c
@@ -31,6 +31,7 @@  VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVcN8v_acosf)
 VECTOR_WRAPPER (WRAPPER_NAME (acoshf), _ZGVcN8v_acoshf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinf), _ZGVcN8v_asinf)
 VECTOR_WRAPPER (WRAPPER_NAME (asinhf), _ZGVcN8v_asinhf)
+VECTOR_WRAPPER (WRAPPER_NAME (atanf), _ZGVcN8v_atanf)
 
 #define VEC_INT_TYPE __m128i