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authorSunil K Pandey <skpgkp2@gmail.com>2021-12-22 06:20:41 -0800
committerSunil K Pandey <skpgkp2@gmail.com>2021-12-22 13:03:14 -0800
commitf20f980c71651e2b2c49e717f547d958cbe29a55 (patch)
tree49c6a6b55bfe523ac0c230182e6fbcbdc1e7c5e2
parentc6d7d6312c21bbcfb236d48bb7c11cedb234389f (diff)
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x86-64: Add vector acos/acosf implementation to libmvec
Implement vectorized acos/acosf containing SSE, AVX, AVX2 and AVX512 versions for libmvec as per vector ABI. It also contains accuracy and ABI tests for vector acos/acosf with regenerated ulps. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
-rw-r--r--bits/libm-simd-decl-stubs.h11
-rw-r--r--math/bits/mathcalls.h2
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/libmvec.abilist8
-rw-r--r--sysdeps/x86/fpu/bits/math-vector.h4
-rw-r--r--sysdeps/x86/fpu/finclude/math-vector-fortran.h4
-rw-r--r--sysdeps/x86_64/fpu/Makeconfig1
-rw-r--r--sysdeps/x86_64/fpu/Versions4
-rw-r--r--sysdeps/x86_64/fpu/libm-test-ulps20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h39
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c27
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S303
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c27
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S285
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c27
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S307
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c28
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S271
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c28
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S270
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S20
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c28
-rw-r--r--sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S264
-rw-r--r--sysdeps/x86_64/fpu/svml_d_acos2_core.S29
-rw-r--r--sysdeps/x86_64/fpu/svml_d_acos4_core.S29
-rw-r--r--sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S25
-rw-r--r--sysdeps/x86_64/fpu/svml_d_acos8_core.S25
-rw-r--r--sysdeps/x86_64/fpu/svml_s_acosf16_core.S25
-rw-r--r--sysdeps/x86_64/fpu/svml_s_acosf4_core.S29
-rw-r--r--sysdeps/x86_64/fpu/svml_s_acosf8_core.S29
-rw-r--r--sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S25
-rw-r--r--sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-libmvec-acos.c3
-rw-r--r--sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-libmvec-acosf.c3
-rw-r--r--sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c1
-rw-r--r--sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c1
51 files changed, 2313 insertions, 1 deletions
diff --git a/bits/libm-simd-decl-stubs.h b/bits/libm-simd-decl-stubs.h
index b80ff33..2ccdd1f 100644
--- a/bits/libm-simd-decl-stubs.h
+++ b/bits/libm-simd-decl-stubs.h
@@ -98,4 +98,15 @@
#define __DECL_SIMD_powf32x
#define __DECL_SIMD_powf64x
#define __DECL_SIMD_powf128x
+
+#define __DECL_SIMD_acos
+#define __DECL_SIMD_acosf
+#define __DECL_SIMD_acosl
+#define __DECL_SIMD_acosf16
+#define __DECL_SIMD_acosf32
+#define __DECL_SIMD_acosf64
+#define __DECL_SIMD_acosf128
+#define __DECL_SIMD_acosf32x
+#define __DECL_SIMD_acosf64x
+#define __DECL_SIMD_acosf128x
#endif
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index da4cf4e..2cc6654 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -50,7 +50,7 @@
/* Trigonometric functions. */
/* Arc cosine of X. */
-__MATHCALL (acos,, (_Mdouble_ __x));
+__MATHCALL_VEC (acos,, (_Mdouble_ __x));
/* Arc sine of X. */
__MATHCALL (asin,, (_Mdouble_ __x));
/* Arc tangent of X. */
diff --git a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
index 363d4ac..b37b557 100644
--- a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist
@@ -46,3 +46,11 @@ GLIBC_2.22 _ZGVeN8v_log F
GLIBC_2.22 _ZGVeN8v_sin F
GLIBC_2.22 _ZGVeN8vv_pow F
GLIBC_2.22 _ZGVeN8vvv_sincos F
+GLIBC_2.35 _ZGVbN2v_acos F
+GLIBC_2.35 _ZGVbN4v_acosf F
+GLIBC_2.35 _ZGVcN4v_acos F
+GLIBC_2.35 _ZGVcN8v_acosf F
+GLIBC_2.35 _ZGVdN4v_acos F
+GLIBC_2.35 _ZGVdN8v_acosf F
+GLIBC_2.35 _ZGVeN16v_acosf F
+GLIBC_2.35 _ZGVeN8v_acos F
diff --git a/sysdeps/x86/fpu/bits/math-vector.h b/sysdeps/x86/fpu/bits/math-vector.h
index dc0bfb3..dabb74c 100644
--- a/sysdeps/x86/fpu/bits/math-vector.h
+++ b/sysdeps/x86/fpu/bits/math-vector.h
@@ -58,6 +58,10 @@
# define __DECL_SIMD_pow __DECL_SIMD_x86_64
# undef __DECL_SIMD_powf
# define __DECL_SIMD_powf __DECL_SIMD_x86_64
+# undef __DECL_SIMD_acos
+# define __DECL_SIMD_acos __DECL_SIMD_x86_64
+# undef __DECL_SIMD_acosf
+# define __DECL_SIMD_acosf __DECL_SIMD_x86_64
# endif
#endif
diff --git a/sysdeps/x86/fpu/finclude/math-vector-fortran.h b/sysdeps/x86/fpu/finclude/math-vector-fortran.h
index 311bb4e..4bcbd1f 100644
--- a/sysdeps/x86/fpu/finclude/math-vector-fortran.h
+++ b/sysdeps/x86/fpu/finclude/math-vector-fortran.h
@@ -28,6 +28,8 @@
!GCC$ builtin (expf) attributes simd (notinbranch) if('x86_64')
!GCC$ builtin (pow) attributes simd (notinbranch) if('x86_64')
!GCC$ builtin (powf) attributes simd (notinbranch) if('x86_64')
+!GCC$ builtin (acos) attributes simd (notinbranch) if('x86_64')
+!GCC$ builtin (acosf) attributes simd (notinbranch) if('x86_64')
!GCC$ builtin (cos) attributes simd (notinbranch) if('x32')
!GCC$ builtin (cosf) attributes simd (notinbranch) if('x32')
@@ -41,3 +43,5 @@
!GCC$ builtin (expf) attributes simd (notinbranch) if('x32')
!GCC$ builtin (pow) attributes simd (notinbranch) if('x32')
!GCC$ builtin (powf) attributes simd (notinbranch) if('x32')
+!GCC$ builtin (acos) attributes simd (notinbranch) if('x32')
+!GCC$ builtin (acosf) attributes simd (notinbranch) if('x32')
diff --git a/sysdeps/x86_64/fpu/Makeconfig b/sysdeps/x86_64/fpu/Makeconfig
index b0e3bf7..7acf1f3 100644
--- a/sysdeps/x86_64/fpu/Makeconfig
+++ b/sysdeps/x86_64/fpu/Makeconfig
@@ -22,6 +22,7 @@ postclean-generated += libmvec.mk
# Define for both math and mathvec directories.
libmvec-funcs = \
+ acos \
cos \
exp \
log \
diff --git a/sysdeps/x86_64/fpu/Versions b/sysdeps/x86_64/fpu/Versions
index 0813204..2985fe7 100644
--- a/sysdeps/x86_64/fpu/Versions
+++ b/sysdeps/x86_64/fpu/Versions
@@ -13,4 +13,8 @@ libmvec {
_ZGVbN4vv_powf; _ZGVcN8vv_powf; _ZGVdN8vv_powf; _ZGVeN16vv_powf;
_ZGVbN4vvv_sincosf; _ZGVcN8vvv_sincosf; _ZGVdN8vvv_sincosf; _ZGVeN16vvv_sincosf;
}
+ GLIBC_2.35 {
+ _ZGVbN2v_acos; _ZGVcN4v_acos; _ZGVdN4v_acos; _ZGVeN8v_acos;
+ _ZGVbN4v_acosf; _ZGVcN8v_acosf; _ZGVdN8v_acosf; _ZGVeN16v_acosf;
+ }
}
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index 1c75f0e..6c12976 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -25,6 +25,26 @@ float: 1
float128: 1
ldouble: 2
+Function: "acos_vlen16":
+float: 1
+
+Function: "acos_vlen2":
+double: 1
+
+Function: "acos_vlen4":
+double: 1
+float: 2
+
+Function: "acos_vlen4_avx2":
+double: 1
+
+Function: "acos_vlen8":
+double: 1
+float: 2
+
+Function: "acos_vlen8_avx2":
+float: 1
+
Function: "acosh":
double: 2
float: 2
diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h
new file mode 100644
index 0000000..3aed563
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h
@@ -0,0 +1,39 @@
+/* Common definition for libmathvec ifunc selections optimized with
+ AVX512.
+ 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 <init-arch.h>
+
+#undef PASTER2
+#define PASTER2(x,y) x##_##y
+
+extern void REDIRECT_NAME (void);
+extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_wrapper) attribute_hidden;
+extern __typeof (REDIRECT_NAME) OPTIMIZE (skx) attribute_hidden;
+
+static inline void *
+IFUNC_SELECTOR (void)
+{
+ const struct cpu_features* cpu_features = __get_cpu_features ();
+
+ if (!CPU_FEATURES_ARCH_P (cpu_features, MathVec_Prefer_No_AVX512)
+ && CPU_FEATURE_USABLE_P (cpu_features, AVX512DQ))
+ return OPTIMIZE (skx);
+
+ return OPTIMIZE (avx2_wrapper);
+}
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S
new file mode 100644
index 0000000..25fb8d0
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S
@@ -0,0 +1,20 @@
+/* SSE2 version of vectorized acos, 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_acos _ZGVbN2v_acos_sse2
+#include "../svml_d_acos2_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c
new file mode 100644
index 0000000..5ba5d6f
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c
@@ -0,0 +1,27 @@
+/* Multiple versions of vectorized acos, 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_acos
+#include "ifunc-mathvec-sse4_1.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVbN2v_acos, __GI__ZGVbN2v_acos, __redirect__ZGVbN2v_acos)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S
new file mode 100644
index 0000000..aea4527
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S
@@ -0,0 +1,303 @@
+/* Function acos 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ */
+
+/* Offsets for data table __svml_dacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 16
+#define SmallNorm 32
+#define MOne 48
+#define Two 64
+#define sqrt_coeff 80
+#define poly_coeff 144
+#define PiH 336
+#define Pi2H 352
+
+#include <sysdep.h>
+
+ .text
+ .section .text.sse4,"ax",@progbits
+ENTRY(_ZGVbN2v_acos_sse4)
+ subq $72, %rsp
+ cfi_def_cfa_offset(80)
+ movaps %xmm0, %xmm5
+ movups __svml_dacos_data_internal(%rip), %xmm3
+ movups OneHalf+__svml_dacos_data_internal(%rip), %xmm6
+
+/* x = -|arg| */
+ movaps %xmm3, %xmm4
+ orps %xmm5, %xmm4
+
+/* Y = 0.5 + 0.5*(-x) */
+ movaps %xmm6, %xmm7
+ mulpd %xmm4, %xmm7
+ addpd %xmm7, %xmm6
+
+/* S ~ 2*sqrt(Y) */
+ cvtpd2ps %xmm6, %xmm9
+ movlhps %xmm9, %xmm9
+
+/* x^2 */
+ movaps %xmm4, %xmm0
+ rsqrtps %xmm9, %xmm10
+ mulpd %xmm4, %xmm0
+ cvtps2pd %xmm10, %xmm11
+ minpd %xmm6, %xmm0
+ movaps %xmm6, %xmm1
+ movaps %xmm0, %xmm2
+ cmpltpd SmallNorm+__svml_dacos_data_internal(%rip), %xmm1
+ cmpnltpd %xmm6, %xmm2
+ addpd %xmm6, %xmm6
+ andnps %xmm11, %xmm1
+ movaps %xmm0, %xmm11
+ movaps %xmm1, %xmm12
+ andps %xmm5, %xmm3
+ mulpd %xmm1, %xmm12
+ mulpd %xmm6, %xmm1
+ mulpd %xmm12, %xmm6
+ mulpd %xmm0, %xmm11
+ subpd Two+__svml_dacos_data_internal(%rip), %xmm6
+ movups sqrt_coeff+__svml_dacos_data_internal(%rip), %xmm13
+ movaps %xmm6, %xmm14
+ mulpd %xmm6, %xmm13
+ mulpd %xmm1, %xmm14
+ addpd sqrt_coeff+16+__svml_dacos_data_internal(%rip), %xmm13
+ mulpd %xmm6, %xmm13
+ addpd sqrt_coeff+32+__svml_dacos_data_internal(%rip), %xmm13
+ mulpd %xmm13, %xmm6
+
+/* polynomial */
+ movups poly_coeff+__svml_dacos_data_internal(%rip), %xmm15
+ movaps %xmm11, %xmm7
+ mulpd %xmm0, %xmm15
+ addpd sqrt_coeff+48+__svml_dacos_data_internal(%rip), %xmm6
+ addpd poly_coeff+16+__svml_dacos_data_internal(%rip), %xmm15
+ mulpd %xmm11, %xmm7
+ mulpd %xmm6, %xmm14
+ mulpd %xmm11, %xmm15
+ subpd %xmm14, %xmm1
+ movups MOne+__svml_dacos_data_internal(%rip), %xmm8
+ andps %xmm2, %xmm1
+
+/* NaN processed in special branch (so wind test passed) */
+ cmpnlepd %xmm4, %xmm8
+ movmskpd %xmm8, %edx
+
+/* X<X^2 iff X<0 */
+ movaps %xmm5, %xmm12
+ movups poly_coeff+32+__svml_dacos_data_internal(%rip), %xmm8
+ movaps %xmm2, %xmm13
+ movups poly_coeff+64+__svml_dacos_data_internal(%rip), %xmm6
+ mulpd %xmm0, %xmm8
+ mulpd %xmm0, %xmm6
+ addpd poly_coeff+48+__svml_dacos_data_internal(%rip), %xmm8
+ addpd poly_coeff+80+__svml_dacos_data_internal(%rip), %xmm6
+ cmpltpd %xmm0, %xmm12
+ addpd %xmm15, %xmm8
+ mulpd %xmm11, %xmm6
+ mulpd %xmm7, %xmm8
+ movups poly_coeff+96+__svml_dacos_data_internal(%rip), %xmm9
+ mulpd %xmm0, %xmm9
+ addpd poly_coeff+112+__svml_dacos_data_internal(%rip), %xmm9
+ addpd %xmm6, %xmm9
+ movups poly_coeff+128+__svml_dacos_data_internal(%rip), %xmm10
+ movaps %xmm2, %xmm6
+ mulpd %xmm0, %xmm10
+ addpd %xmm8, %xmm9
+ addpd poly_coeff+144+__svml_dacos_data_internal(%rip), %xmm10
+ mulpd %xmm11, %xmm9
+ movups poly_coeff+160+__svml_dacos_data_internal(%rip), %xmm14
+ andnps %xmm4, %xmm6
+ addpd %xmm9, %xmm10
+ mulpd %xmm0, %xmm14
+ mulpd %xmm10, %xmm11
+ addpd poly_coeff+176+__svml_dacos_data_internal(%rip), %xmm14
+ addpd %xmm11, %xmm14
+ mulpd %xmm0, %xmm14
+ orps %xmm1, %xmm6
+ pxor %xmm3, %xmm6
+ mulpd %xmm6, %xmm14
+ movups PiH+__svml_dacos_data_internal(%rip), %xmm0
+ andps %xmm2, %xmm0
+ andnps Pi2H+__svml_dacos_data_internal(%rip), %xmm13
+ andps %xmm12, %xmm0
+ addpd %xmm13, %xmm0
+ addpd %xmm14, %xmm6
+ addpd %xmm6, %xmm0
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm5
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ addq $72, %rsp
+ cfi_def_cfa_offset(8)
+ ret
+ cfi_def_cfa_offset(80)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ movups %xmm5, 32(%rsp)
+ movups %xmm0, 48(%rsp)
+ # LOE rbx rbp r12 r13 r14 r15 edx
+
+ xorl %eax, %eax
+ movq %r12, 16(%rsp)
+ cfi_offset(12, -64)
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ cfi_offset(13, -72)
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx rbp r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $2, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx rbp r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ movups 48(%rsp), %xmm0
+
+/* Go to exit */
+ jmp L(EXIT)
+ cfi_offset(12, -64)
+ cfi_offset(13, -72)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r12 r13 r14 r15 xmm0
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movsd 32(%rsp,%r14,8), %xmm0
+ call acos@PLT
+ # LOE rbx rbp r14 r15 r12d r13d xmm0
+
+ movsd %xmm0, 48(%rsp,%r14,8)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx rbp r15 r12d r13d
+END(_ZGVbN2v_acos_sse4)
+
+ .section .rodata, "a"
+ .align 16
+
+#ifdef __svml_dacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(16)) VUINT32 SgnBit[2][2];
+ __declspec(align(16)) VUINT32 OneHalf[2][2];
+ __declspec(align(16)) VUINT32 SmallNorm[2][2];
+ __declspec(align(16)) VUINT32 MOne[2][2];
+ __declspec(align(16)) VUINT32 Two[2][2];
+ __declspec(align(16)) VUINT32 sqrt_coeff[4][2][2];
+ __declspec(align(16)) VUINT32 poly_coeff[12][2][2];
+ __declspec(align(16)) VUINT32 PiH[2][2];
+ __declspec(align(16)) VUINT32 Pi2H[2][2];
+} __svml_dacos_data_internal;
+#endif
+__svml_dacos_data_internal:
+ /*== SgnBit ==*/
+ .quad 0x8000000000000000, 0x8000000000000000
+ /*== OneHalf ==*/
+ .align 16
+ .quad 0x3fe0000000000000, 0x3fe0000000000000
+ /*== SmallNorm ==*/
+ .align 16
+ .quad 0x3000000000000000, 0x3000000000000000
+ /*== MOne ==*/
+ .align 16
+ .quad 0xbff0000000000000, 0xbff0000000000000
+ /*== Two ==*/
+ .align 16
+ .quad 0x4000000000000000, 0x4000000000000000
+ /*== sqrt_coeff[4] ==*/
+ .align 16
+ .quad 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */
+ .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */
+ .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */
+ .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */
+ /*== poly_coeff[12] ==*/
+ .align 16
+ .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */
+ .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */
+ .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */
+ .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */
+ .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */
+ .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */
+ .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */
+ .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */
+ .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */
+ .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */
+ .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */
+ .quad 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */
+ /*== PiH ==*/
+ .align 16
+ .quad 0x400921fb54442d18, 0x400921fb54442d18
+ /*== Pi2H ==*/
+ .align 16
+ .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18
+ .align 16
+ .type __svml_dacos_data_internal,@object
+ .size __svml_dacos_data_internal,.-__svml_dacos_data_internal
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S
new file mode 100644
index 0000000..750f71c
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S
@@ -0,0 +1,20 @@
+/* SSE version of vectorized acos, 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_acos _ZGVdN4v_acos_sse_wrapper
+#include "../svml_d_acos4_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c
new file mode 100644
index 0000000..6453e7e
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c
@@ -0,0 +1,27 @@
+/* Multiple versions of vectorized acos, 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_acos
+#include "ifunc-mathvec-avx2.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVdN4v_acos, __GI__ZGVdN4v_acos, __redirect__ZGVdN4v_acos)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S
new file mode 100644
index 0000000..bf85bdb
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S
@@ -0,0 +1,285 @@
+/* Function acos 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ */
+
+/* Offsets for data table __svml_dacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 32
+#define SmallNorm 64
+#define MOne 96
+#define Two 128
+#define sqrt_coeff 160
+#define poly_coeff 288
+#define PiH 672
+#define Pi2H 704
+
+#include <sysdep.h>
+
+ .text
+ .section .text.avx2,"ax",@progbits
+ENTRY(_ZGVdN4v_acos_avx2)
+ pushq %rbp
+ cfi_def_cfa_offset(16)
+ movq %rsp, %rbp
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+ andq $-32, %rsp
+ subq $96, %rsp
+ vmovupd __svml_dacos_data_internal(%rip), %ymm6
+ vmovupd OneHalf+__svml_dacos_data_internal(%rip), %ymm7
+ vmovapd %ymm0, %ymm5
+
+/* x = -|arg| */
+ vorpd %ymm5, %ymm6, %ymm4
+
+/* Y = 0.5 + 0.5*(-x) */
+ vfmadd231pd %ymm4, %ymm7, %ymm7
+
+/* x^2 */
+ vmulpd %ymm4, %ymm4, %ymm8
+
+/* S ~ 2*sqrt(Y) */
+ vmovupd sqrt_coeff+__svml_dacos_data_internal(%rip), %ymm0
+ vcmplt_oqpd SmallNorm+__svml_dacos_data_internal(%rip), %ymm7, %ymm12
+ vminpd %ymm7, %ymm8, %ymm2
+
+/* NaN processed in special branch (so wind test passed) */
+ vcmpnge_uqpd MOne+__svml_dacos_data_internal(%rip), %ymm4, %ymm9
+ vcvtpd2ps %ymm7, %xmm10
+ vmovupd poly_coeff+64+__svml_dacos_data_internal(%rip), %ymm8
+ vcmpnlt_uqpd %ymm7, %ymm2, %ymm1
+ vrsqrtps %xmm10, %xmm11
+ vfmadd213pd poly_coeff+96+__svml_dacos_data_internal(%rip), %ymm2, %ymm8
+ vcvtps2pd %xmm11, %ymm13
+ vmovupd poly_coeff+128+__svml_dacos_data_internal(%rip), %ymm11
+ vandnpd %ymm13, %ymm12, %ymm14
+ vmulpd %ymm14, %ymm14, %ymm15
+ vfmadd213pd poly_coeff+160+__svml_dacos_data_internal(%rip), %ymm2, %ymm11
+ vmulpd %ymm2, %ymm2, %ymm13
+ vmovupd poly_coeff+256+__svml_dacos_data_internal(%rip), %ymm12
+ vmulpd %ymm13, %ymm13, %ymm10
+ vfmadd213pd poly_coeff+288+__svml_dacos_data_internal(%rip), %ymm2, %ymm12
+ vandpd %ymm5, %ymm6, %ymm3
+ vaddpd %ymm7, %ymm7, %ymm6
+ vmulpd %ymm6, %ymm14, %ymm7
+ vfmsub213pd Two+__svml_dacos_data_internal(%rip), %ymm15, %ymm6
+ vmovupd poly_coeff+320+__svml_dacos_data_internal(%rip), %ymm14
+ vfmadd213pd sqrt_coeff+32+__svml_dacos_data_internal(%rip), %ymm6, %ymm0
+ vmulpd %ymm6, %ymm7, %ymm15
+ vfmadd213pd poly_coeff+352+__svml_dacos_data_internal(%rip), %ymm2, %ymm14
+ vfmadd213pd sqrt_coeff+64+__svml_dacos_data_internal(%rip), %ymm6, %ymm0
+ vfmadd213pd sqrt_coeff+96+__svml_dacos_data_internal(%rip), %ymm6, %ymm0
+
+/* polynomial */
+ vmovupd poly_coeff+__svml_dacos_data_internal(%rip), %ymm6
+ vfnmadd213pd %ymm7, %ymm15, %ymm0
+ vfmadd213pd poly_coeff+32+__svml_dacos_data_internal(%rip), %ymm2, %ymm6
+ vblendvpd %ymm1, %ymm0, %ymm4, %ymm0
+ vfmadd213pd %ymm8, %ymm13, %ymm6
+ vmovmskpd %ymm9, %edx
+ vmovupd poly_coeff+192+__svml_dacos_data_internal(%rip), %ymm9
+ vfmadd213pd poly_coeff+224+__svml_dacos_data_internal(%rip), %ymm2, %ymm9
+ vfmadd213pd %ymm9, %ymm13, %ymm11
+ vfmadd213pd %ymm11, %ymm10, %ymm6
+ vfmadd213pd %ymm12, %ymm13, %ymm6
+ vfmadd213pd %ymm14, %ymm13, %ymm6
+ vmulpd %ymm6, %ymm2, %ymm9
+
+/* X<X^2 iff X<0 */
+ vcmplt_oqpd %ymm2, %ymm5, %ymm6
+ vandpd PiH+__svml_dacos_data_internal(%rip), %ymm1, %ymm2
+ vandnpd Pi2H+__svml_dacos_data_internal(%rip), %ymm1, %ymm7
+ vxorpd %ymm3, %ymm0, %ymm1
+ vfmadd213pd %ymm1, %ymm1, %ymm9
+ vandpd %ymm6, %ymm2, %ymm2
+ vaddpd %ymm7, %ymm2, %ymm8
+ vaddpd %ymm9, %ymm8, %ymm0
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx r12 r13 r14 r15 edx ymm0 ymm5
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ movq %rbp, %rsp
+ popq %rbp
+ cfi_def_cfa(7, 8)
+ cfi_restore(6)
+ ret
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ vmovupd %ymm5, 32(%rsp)
+ vmovupd %ymm0, 64(%rsp)
+ # LOE rbx r12 r13 r14 r15 edx ymm0
+
+ xorl %eax, %eax
+ # LOE rbx r12 r13 r14 r15 eax edx
+
+ vzeroupper
+ movq %r12, 16(%rsp)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $4, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ vmovupd 64(%rsp), %ymm0
+
+/* Go to exit */
+ jmp L(EXIT)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r12 r13 r14 r15 ymm0
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movsd 32(%rsp,%r14,8), %xmm0
+ call acos@PLT
+ # LOE rbx r14 r15 r12d r13d xmm0
+
+ movsd %xmm0, 64(%rsp,%r14,8)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx r15 r12d r13d
+END(_ZGVdN4v_acos_avx2)
+
+ .section .rodata, "a"
+ .align 32
+
+#ifdef __svml_dacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(32)) VUINT32 SgnBit[4][2];
+ __declspec(align(32)) VUINT32 OneHalf[4][2];
+ __declspec(align(32)) VUINT32 SmallNorm[4][2];
+ __declspec(align(32)) VUINT32 MOne[4][2];
+ __declspec(align(32)) VUINT32 Two[4][2];
+ __declspec(align(32)) VUINT32 sqrt_coeff[4][4][2];
+ __declspec(align(32)) VUINT32 poly_coeff[12][4][2];
+ __declspec(align(32)) VUINT32 PiH[4][2];
+ __declspec(align(32)) VUINT32 Pi2H[4][2];
+} __svml_dacos_data_internal;
+#endif
+__svml_dacos_data_internal:
+ /*== SgnBit ==*/
+ .quad 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000
+ /*== OneHalf ==*/
+ .align 32
+ .quad 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000
+ /*== SmallNorm ==*/
+ .align 32
+ .quad 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000
+ /*== MOne ==*/
+ .align 32
+ .quad 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000
+ /*== Two ==*/
+ .align 32
+ .quad 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000
+ /*== sqrt_coeff[4] ==*/
+ .align 32
+ .quad 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */
+ .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */
+ .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */
+ .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */
+ /*== poly_coeff[12] ==*/
+ .align 32
+ .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */
+ .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */
+ .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */
+ .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */
+ .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */
+ .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */
+ .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */
+ .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */
+ .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */
+ .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */
+ .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */
+ .quad 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */
+ /*== PiH ==*/
+ .align 32
+ .quad 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18
+ /*== Pi2H ==*/
+ .align 32
+ .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18
+ .align 32
+ .type __svml_dacos_data_internal,@object
+ .size __svml_dacos_data_internal,.-__svml_dacos_data_internal
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S
new file mode 100644
index 0000000..4d64fd1
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S
@@ -0,0 +1,20 @@
+/* AVX2 version of vectorized acos, 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_acos _ZGVeN8v_acos_avx2_wrapper
+#include "../svml_d_acos8_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c
new file mode 100644
index 0000000..1e7d186
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c
@@ -0,0 +1,27 @@
+/* Multiple versions of vectorized acos, 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_acos
+#include "ifunc-mathvec-avx512-skx.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVeN8v_acos, __GI__ZGVeN8v_acos, __redirect__ZGVeN8v_acos)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S
new file mode 100644
index 0000000..521ff73
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S
@@ -0,0 +1,307 @@
+/* Function acos 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ */
+
+/* Offsets for data table __svml_dacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 64
+#define SmallNorm 128
+#define MOne 192
+#define Two 256
+#define sqrt_coeff_1 320
+#define sqrt_coeff_2 384
+#define sqrt_coeff_3 448
+#define sqrt_coeff_4 512
+#define poly_coeff_1 576
+#define poly_coeff_2 640
+#define poly_coeff_3 704
+#define poly_coeff_4 768
+#define poly_coeff_5 832
+#define poly_coeff_6 896
+#define poly_coeff_7 960
+#define poly_coeff_8 1024
+#define poly_coeff_9 1088
+#define poly_coeff_10 1152
+#define poly_coeff_11 1216
+#define poly_coeff_12 1280
+#define PiH 1344
+#define Pi2H 1408
+
+#include <sysdep.h>
+
+ .text
+ .section .text.evex512,"ax",@progbits
+ENTRY(_ZGVeN8v_acos_skx)
+ pushq %rbp
+ cfi_def_cfa_offset(16)
+ movq %rsp, %rbp
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+ andq $-64, %rsp
+ subq $192, %rsp
+ vmovups __svml_dacos_data_internal(%rip), %zmm7
+ vmovups OneHalf+__svml_dacos_data_internal(%rip), %zmm8
+
+/* S ~ 2*sqrt(Y) */
+ vmovups SmallNorm+__svml_dacos_data_internal(%rip), %zmm11
+ vmovups Two+__svml_dacos_data_internal(%rip), %zmm14
+ vmovups sqrt_coeff_1+__svml_dacos_data_internal(%rip), %zmm15
+ vmovups sqrt_coeff_2+__svml_dacos_data_internal(%rip), %zmm2
+ vmovups sqrt_coeff_3+__svml_dacos_data_internal(%rip), %zmm1
+ vmovups MOne+__svml_dacos_data_internal(%rip), %zmm10
+ vmovaps %zmm0, %zmm6
+
+/* x = -|arg| */
+ vorpd %zmm6, %zmm7, %zmm5
+ vandpd %zmm6, %zmm7, %zmm4
+
+/* Y = 0.5 + 0.5*(-x) */
+ vfmadd231pd {rn-sae}, %zmm5, %zmm8, %zmm8
+
+/* x^2 */
+ vmulpd {rn-sae}, %zmm5, %zmm5, %zmm9
+ vrsqrt14pd %zmm8, %zmm12
+ vcmppd $17, {sae}, %zmm11, %zmm8, %k1
+ vcmppd $17, {sae}, %zmm10, %zmm5, %k0
+ vmovups poly_coeff_5+__svml_dacos_data_internal(%rip), %zmm10
+ vmovups poly_coeff_7+__svml_dacos_data_internal(%rip), %zmm11
+ vminpd {sae}, %zmm8, %zmm9, %zmm3
+ vmovups poly_coeff_3+__svml_dacos_data_internal(%rip), %zmm9
+ vxorpd %zmm12, %zmm12, %zmm12{%k1}
+ vaddpd {rn-sae}, %zmm8, %zmm8, %zmm0
+ vcmppd $21, {sae}, %zmm8, %zmm3, %k4
+
+/* X<X^2 iff X<0 */
+ vcmppd $17, {sae}, %zmm3, %zmm6, %k2
+ vmulpd {rn-sae}, %zmm12, %zmm12, %zmm13
+ vmulpd {rn-sae}, %zmm12, %zmm0, %zmm7
+ vmovups poly_coeff_4+__svml_dacos_data_internal(%rip), %zmm12
+
+/* polynomial */
+ vmovups poly_coeff_1+__svml_dacos_data_internal(%rip), %zmm8
+ vfmsub213pd {rn-sae}, %zmm14, %zmm13, %zmm0
+ vmovups sqrt_coeff_4+__svml_dacos_data_internal(%rip), %zmm13
+ vfmadd231pd {rn-sae}, %zmm3, %zmm9, %zmm12
+ vmovups poly_coeff_11+__svml_dacos_data_internal(%rip), %zmm9
+ vfmadd231pd {rn-sae}, %zmm0, %zmm15, %zmm2
+ vmovups poly_coeff_9+__svml_dacos_data_internal(%rip), %zmm15
+ vmulpd {rn-sae}, %zmm0, %zmm7, %zmm14
+ vfmadd213pd {rn-sae}, %zmm1, %zmm0, %zmm2
+ vmovups poly_coeff_2+__svml_dacos_data_internal(%rip), %zmm1
+ kmovw %k0, %edx
+ vfmadd213pd {rn-sae}, %zmm13, %zmm0, %zmm2
+ vfmadd231pd {rn-sae}, %zmm3, %zmm8, %zmm1
+ vmovups poly_coeff_10+__svml_dacos_data_internal(%rip), %zmm8
+ vmulpd {rn-sae}, %zmm3, %zmm3, %zmm0
+ vfnmadd213pd {rn-sae}, %zmm7, %zmm14, %zmm2
+ vmovups poly_coeff_6+__svml_dacos_data_internal(%rip), %zmm7
+ vfmadd231pd {rn-sae}, %zmm3, %zmm15, %zmm8
+ vfmadd213pd {rn-sae}, %zmm12, %zmm0, %zmm1
+ vblendmpd %zmm2, %zmm5, %zmm2{%k4}
+ vfmadd231pd {rn-sae}, %zmm3, %zmm10, %zmm7
+ vmovups poly_coeff_8+__svml_dacos_data_internal(%rip), %zmm10
+ vfmadd231pd {rn-sae}, %zmm3, %zmm11, %zmm10
+ vmovups poly_coeff_12+__svml_dacos_data_internal(%rip), %zmm11
+ kandw %k4, %k2, %k3
+ vfmadd213pd {rn-sae}, %zmm10, %zmm0, %zmm7
+ vfmadd231pd {rn-sae}, %zmm3, %zmm9, %zmm11
+ vmulpd {rn-sae}, %zmm0, %zmm0, %zmm10
+ vfmadd213pd {rn-sae}, %zmm7, %zmm10, %zmm1
+ vfmadd213pd {rn-sae}, %zmm8, %zmm0, %zmm1
+ vfmadd213pd {rn-sae}, %zmm11, %zmm0, %zmm1
+ vmovups Pi2H+__svml_dacos_data_internal(%rip), %zmm0
+ vmulpd {rn-sae}, %zmm3, %zmm1, %zmm1
+ vxorpd %zmm4, %zmm2, %zmm3
+ vxorpd %zmm0, %zmm0, %zmm0{%k4}
+ vfmadd213pd {rn-sae}, %zmm3, %zmm3, %zmm1
+ vorpd PiH+__svml_dacos_data_internal(%rip), %zmm0, %zmm0{%k3}
+ vaddpd {rn-sae}, %zmm1, %zmm0, %zmm0
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx r12 r13 r14 r15 edx zmm0 zmm6
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ movq %rbp, %rsp
+ popq %rbp
+ cfi_def_cfa(7, 8)
+ cfi_restore(6)
+ ret
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ vmovups %zmm6, 64(%rsp)
+ vmovups %zmm0, 128(%rsp)
+ # LOE rbx r12 r13 r14 r15 edx zmm0
+
+ xorl %eax, %eax
+ # LOE rbx r12 r13 r14 r15 eax edx
+
+ vzeroupper
+ movq %r12, 16(%rsp)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $8, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ vmovups 128(%rsp), %zmm0
+
+/* Go to exit */
+ jmp L(EXIT)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r12 r13 r14 r15 zmm0
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movsd 64(%rsp,%r14,8), %xmm0
+ call acos@PLT
+ # LOE rbx r14 r15 r12d r13d xmm0
+
+ movsd %xmm0, 128(%rsp,%r14,8)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx r15 r12d r13d
+END(_ZGVeN8v_acos_skx)
+
+ .section .rodata, "a"
+ .align 64
+
+#ifdef __svml_dacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(64)) VUINT32 SgnBit[8][2];
+ __declspec(align(64)) VUINT32 OneHalf[8][2];
+ __declspec(align(64)) VUINT32 SmallNorm[8][2];
+ __declspec(align(64)) VUINT32 MOne[8][2];
+ __declspec(align(64)) VUINT32 Two[8][2];
+ __declspec(align(64)) VUINT32 sqrt_coeff[4][8][2];
+ __declspec(align(64)) VUINT32 poly_coeff[12][8][2];
+ __declspec(align(64)) VUINT32 PiH[8][2];
+ __declspec(align(64)) VUINT32 Pi2H[8][2];
+} __svml_dacos_data_internal;
+#endif
+__svml_dacos_data_internal:
+ /*== SgnBit ==*/
+ .quad 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000
+ /*== OneHalf ==*/
+ .align 64
+ .quad 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000
+ /*== SmallNorm ==*/
+ .align 64
+ .quad 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000
+ /*== MOne ==*/
+ .align 64
+ .quad 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000
+ /*== Two ==*/
+ .align 64
+ .quad 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000
+ /*== sqrt_coeff[4] ==*/
+ .align 64
+ .quad 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */
+ .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */
+ .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */
+ .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */
+ /*== poly_coeff[12] ==*/
+ .align 64
+ .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */
+ .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */
+ .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */
+ .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */
+ .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */
+ .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */
+ .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */
+ .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */
+ .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */
+ .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */
+ .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */
+ .quad 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */
+ /*== PiH ==*/
+ .align 64
+ .quad 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18
+ /*== Pi2H ==*/
+ .align 64
+ .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18
+ .align 64
+ .type __svml_dacos_data_internal,@object
+ .size __svml_dacos_data_internal,.-__svml_dacos_data_internal
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S
new file mode 100644
index 0000000..1ff0cfc
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S
@@ -0,0 +1,20 @@
+/* AVX2 version of vectorized acosf.
+ 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_acosf _ZGVeN16v_acosf_avx2_wrapper
+#include "../svml_s_acosf16_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c
new file mode 100644
index 0000000..fcf0578
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c
@@ -0,0 +1,28 @@
+/* Multiple versions of vectorized acosf, 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_acosf
+#include "ifunc-mathvec-avx512-skx.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVeN16v_acosf, __GI__ZGVeN16v_acosf,
+ __redirect__ZGVeN16v_acosf)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S
new file mode 100644
index 0000000..36f08c4
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S
@@ -0,0 +1,271 @@
+/* Function acosf 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ *
+ */
+
+/* Offsets for data table __svml_sacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 64
+#define SmallNorm 128
+#define MOne 192
+#define Two 256
+#define sqrt_coeff_1 320
+#define sqrt_coeff_2 384
+#define poly_coeff_1 448
+#define poly_coeff_2 512
+#define poly_coeff_3 576
+#define poly_coeff_4 640
+#define poly_coeff_5 704
+#define Pi2H 768
+#define PiH 832
+
+#include <sysdep.h>
+
+ .text
+ .section .text.exex512,"ax",@progbits
+ENTRY(_ZGVeN16v_acosf_skx)
+ pushq %rbp
+ cfi_def_cfa_offset(16)
+ movq %rsp, %rbp
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+ andq $-64, %rsp
+ subq $192, %rsp
+ vmovups __svml_sacos_data_internal(%rip), %zmm5
+ vmovups OneHalf+__svml_sacos_data_internal(%rip), %zmm6
+
+/* SQ ~ 2*sqrt(Y) */
+ vmovups SmallNorm+__svml_sacos_data_internal(%rip), %zmm9
+ vmovups MOne+__svml_sacos_data_internal(%rip), %zmm8
+ vmovups Two+__svml_sacos_data_internal(%rip), %zmm12
+ vmovups sqrt_coeff_1+__svml_sacos_data_internal(%rip), %zmm13
+ vmovaps %zmm0, %zmm4
+
+/* x = -|arg| */
+ vorps %zmm4, %zmm5, %zmm3
+ vandps %zmm4, %zmm5, %zmm2
+ vmovups sqrt_coeff_2+__svml_sacos_data_internal(%rip), %zmm0
+
+/* Y = 0.5 + 0.5*(-x) */
+ vfmadd231ps {rn-sae}, %zmm3, %zmm6, %zmm6
+
+/* x^2 */
+ vmulps {rn-sae}, %zmm3, %zmm3, %zmm7
+ vrsqrt14ps %zmm6, %zmm10
+ vcmpps $17, {sae}, %zmm9, %zmm6, %k1
+ vcmpps $22, {sae}, %zmm3, %zmm8, %k0
+ vmovups poly_coeff_4+__svml_sacos_data_internal(%rip), %zmm9
+ vminps {sae}, %zmm6, %zmm7, %zmm1
+ vmovups poly_coeff_3+__svml_sacos_data_internal(%rip), %zmm7
+ vxorps %zmm10, %zmm10, %zmm10{%k1}
+ vaddps {rn-sae}, %zmm6, %zmm6, %zmm14
+ vmulps {rn-sae}, %zmm1, %zmm1, %zmm8
+ vmulps {rn-sae}, %zmm10, %zmm10, %zmm11
+ vmulps {rn-sae}, %zmm10, %zmm14, %zmm5
+ vcmpps $21, {sae}, %zmm6, %zmm1, %k4
+
+/* X<X^2 iff X<0 */
+ vcmpps $17, {sae}, %zmm1, %zmm4, %k2
+
+/* polynomial */
+ vmovups poly_coeff_1+__svml_sacos_data_internal(%rip), %zmm6
+ vfmsub213ps {rn-sae}, %zmm12, %zmm11, %zmm14
+ vmovups poly_coeff_2+__svml_sacos_data_internal(%rip), %zmm11
+ vfmadd231ps {rn-sae}, %zmm1, %zmm7, %zmm9
+ vmovups poly_coeff_5+__svml_sacos_data_internal(%rip), %zmm10
+ vmovups Pi2H+__svml_sacos_data_internal(%rip), %zmm12
+ vfmadd231ps {rn-sae}, %zmm14, %zmm13, %zmm0
+ vfmadd231ps {rn-sae}, %zmm1, %zmm6, %zmm11
+ vmulps {rn-sae}, %zmm14, %zmm5, %zmm15
+ vfmadd213ps {rn-sae}, %zmm9, %zmm8, %zmm11
+ vxorps %zmm12, %zmm12, %zmm12{%k4}
+ vfnmadd213ps {rn-sae}, %zmm5, %zmm15, %zmm0
+ vfmadd213ps {rn-sae}, %zmm10, %zmm1, %zmm11
+ kmovw %k0, %edx
+ vmulps {rn-sae}, %zmm1, %zmm11, %zmm13
+ vblendmps %zmm0, %zmm3, %zmm0{%k4}
+ vxorps %zmm2, %zmm0, %zmm1
+ kandw %k4, %k2, %k3
+ vfmadd213ps {rn-sae}, %zmm1, %zmm1, %zmm13
+ vorps PiH+__svml_sacos_data_internal(%rip), %zmm12, %zmm12{%k3}
+ vaddps {rn-sae}, %zmm13, %zmm12, %zmm0
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx r12 r13 r14 r15 edx zmm0 zmm4
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ movq %rbp, %rsp
+ popq %rbp
+ cfi_def_cfa(7, 8)
+ cfi_restore(6)
+ ret
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ vmovups %zmm4, 64(%rsp)
+ vmovups %zmm0, 128(%rsp)
+ # LOE rbx r12 r13 r14 r15 edx zmm0
+
+ xorl %eax, %eax
+ # LOE rbx r12 r13 r14 r15 eax edx
+
+ vzeroupper
+ movq %r12, 16(%rsp)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $16, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ vmovups 128(%rsp), %zmm0
+
+/* Go to exit */
+ jmp L(EXIT)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r12 r13 r14 r15 zmm0
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movss 64(%rsp,%r14,4), %xmm0
+ call acosf@PLT
+ # LOE rbx r14 r15 r12d r13d xmm0
+
+ movss %xmm0, 128(%rsp,%r14,4)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx r15 r12d r13d
+END(_ZGVeN16v_acosf_skx)
+
+ .section .rodata, "a"
+ .align 64
+
+#ifdef __svml_sacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(64)) VUINT32 SgnBit[16][1];
+ __declspec(align(64)) VUINT32 OneHalf[16][1];
+ __declspec(align(64)) VUINT32 SmallNorm[16][1];
+ __declspec(align(64)) VUINT32 MOne[16][1];
+ __declspec(align(64)) VUINT32 Two[16][1];
+ __declspec(align(64)) VUINT32 sqrt_coeff[2][16][1];
+ __declspec(align(64)) VUINT32 poly_coeff[5][16][1];
+ __declspec(align(64)) VUINT32 Pi2H[16][1];
+ __declspec(align(64)) VUINT32 PiH[16][1];
+} __svml_sacos_data_internal;
+#endif
+__svml_sacos_data_internal:
+ /*== SgnBit ==*/
+ .long 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000
+ /*== OneHalf ==*/
+ .align 64
+ .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000
+ /*== SmallNorm ==*/
+ .align 64
+ .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000
+ /*== MOne ==*/
+ .align 64
+ .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000
+ /*== Two ==*/
+ .align 64
+ .long 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000
+ /*== sqrt_coeff[2] ==*/
+ .align 64
+ .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */
+ .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */
+ /*== poly_coeff[5] ==*/
+ .align 64
+ .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */
+ .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */
+ .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */
+ .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */
+ .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */
+ /*== Pi2H ==*/
+ .align 64
+ .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB
+ /*== PiH ==*/
+ .align 64
+ .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB
+ .align 64
+ .type __svml_sacos_data_internal,@object
+ .size __svml_sacos_data_internal,.-__svml_sacos_data_internal
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S
new file mode 100644
index 0000000..f94b3eb
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S
@@ -0,0 +1,20 @@
+/* SSE2 version of vectorized acosf, 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_acosf _ZGVbN4v_acosf_sse2
+#include "../svml_s_acosf4_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c
new file mode 100644
index 0000000..6f9a5c1
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c
@@ -0,0 +1,28 @@
+/* Multiple versions of vectorized acosf, 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_acosf
+#include "ifunc-mathvec-sse4_1.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVbN4v_acosf, __GI__ZGVbN4v_acosf,
+ __redirect__ZGVbN4v_acosf)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S
new file mode 100644
index 0000000..3b7c25a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S
@@ -0,0 +1,270 @@
+/* Function acosf 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ *
+ */
+
+/* Offsets for data table __svml_sacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 16
+#define SmallNorm 32
+#define MOne 48
+#define Two 64
+#define sqrt_coeff 80
+#define poly_coeff 112
+#define Pi2H 192
+#define PiH 208
+
+#include <sysdep.h>
+
+ .text
+ .section .text.sse4,"ax",@progbits
+ENTRY(_ZGVbN4v_acosf_sse4)
+ subq $72, %rsp
+ cfi_def_cfa_offset(80)
+
+/* X<X^2 iff X<0 */
+ movaps %xmm0, %xmm14
+
+/*
+ * 2*sqrt(X) ~ Sh - Sl (to 24+ bits)
+ * SQ ~ 2*sqrt(X)
+ */
+ movups __svml_sacos_data_internal(%rip), %xmm3
+ movups OneHalf+__svml_sacos_data_internal(%rip), %xmm5
+
+/* x = -|arg| */
+ movaps %xmm3, %xmm4
+ orps %xmm0, %xmm4
+
+/* Y = 0.5 + 0.5*(-x) */
+ movaps %xmm5, %xmm6
+ mulps %xmm4, %xmm6
+
+/* x^2 */
+ movaps %xmm4, %xmm13
+ mulps %xmm4, %xmm13
+ addps %xmm6, %xmm5
+
+/* SQ ~ 2*sqrt(Y) */
+ rsqrtps %xmm5, %xmm8
+ minps %xmm5, %xmm13
+ movaps %xmm5, %xmm2
+ movaps %xmm13, %xmm1
+ cmpltps SmallNorm+__svml_sacos_data_internal(%rip), %xmm2
+ cmpnltps %xmm5, %xmm1
+ cmpltps %xmm13, %xmm14
+ addps %xmm5, %xmm5
+ andnps %xmm8, %xmm2
+ movaps %xmm13, %xmm11
+ movaps %xmm2, %xmm9
+ movaps %xmm1, %xmm6
+ mulps %xmm2, %xmm9
+ andnps %xmm4, %xmm6
+ mulps %xmm5, %xmm2
+ mulps %xmm13, %xmm11
+ mulps %xmm9, %xmm5
+ movups sqrt_coeff+__svml_sacos_data_internal(%rip), %xmm10
+ andps %xmm0, %xmm3
+
+/* polynomial */
+ movups poly_coeff+__svml_sacos_data_internal(%rip), %xmm12
+ movaps %xmm1, %xmm15
+ mulps %xmm13, %xmm12
+ subps Two+__svml_sacos_data_internal(%rip), %xmm5
+ mulps %xmm5, %xmm10
+ addps poly_coeff+16+__svml_sacos_data_internal(%rip), %xmm12
+ mulps %xmm2, %xmm5
+ mulps %xmm11, %xmm12
+ addps sqrt_coeff+16+__svml_sacos_data_internal(%rip), %xmm10
+ mulps %xmm5, %xmm10
+ movups poly_coeff+32+__svml_sacos_data_internal(%rip), %xmm5
+ subps %xmm10, %xmm2
+ mulps %xmm13, %xmm5
+ movups MOne+__svml_sacos_data_internal(%rip), %xmm7
+ andps %xmm1, %xmm2
+ cmpnleps %xmm4, %xmm7
+ addps poly_coeff+48+__svml_sacos_data_internal(%rip), %xmm5
+ movmskps %xmm7, %edx
+ orps %xmm2, %xmm6
+ addps %xmm12, %xmm5
+ mulps %xmm13, %xmm5
+ pxor %xmm3, %xmm6
+ movups PiH+__svml_sacos_data_internal(%rip), %xmm7
+ andps %xmm1, %xmm7
+ addps poly_coeff+64+__svml_sacos_data_internal(%rip), %xmm5
+ mulps %xmm13, %xmm5
+ andps %xmm14, %xmm7
+ mulps %xmm6, %xmm5
+ andnps Pi2H+__svml_sacos_data_internal(%rip), %xmm15
+ addps %xmm5, %xmm6
+ addps %xmm15, %xmm7
+ addps %xmm6, %xmm7
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm7
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ movaps %xmm7, %xmm0
+ addq $72, %rsp
+ cfi_def_cfa_offset(8)
+ ret
+ cfi_def_cfa_offset(80)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ movups %xmm0, 32(%rsp)
+ movups %xmm7, 48(%rsp)
+ # LOE rbx rbp r12 r13 r14 r15 edx
+
+ xorl %eax, %eax
+ movq %r12, 16(%rsp)
+ cfi_offset(12, -64)
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ cfi_offset(13, -72)
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx rbp r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $4, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx rbp r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ movups 48(%rsp), %xmm7
+
+/* Go to exit */
+ jmp L(EXIT)
+ cfi_offset(12, -64)
+ cfi_offset(13, -72)
+ cfi_offset(14, -80)
+ # LOE rbx rbp r12 r13 r14 r15 xmm7
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movss 32(%rsp,%r14,4), %xmm0
+ call acosf@PLT
+ # LOE rbx rbp r14 r15 r12d r13d xmm0
+
+ movss %xmm0, 48(%rsp,%r14,4)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx rbp r15 r12d r13d
+END(_ZGVbN4v_acosf_sse4)
+
+ .section .rodata, "a"
+ .align 16
+
+#ifdef __svml_sacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(16)) VUINT32 SgnBit[4][1];
+ __declspec(align(16)) VUINT32 OneHalf[4][1];
+ __declspec(align(16)) VUINT32 SmallNorm[4][1];
+ __declspec(align(16)) VUINT32 MOne[4][1];
+ __declspec(align(16)) VUINT32 Two[4][1];
+ __declspec(align(16)) VUINT32 sqrt_coeff[2][4][1];
+ __declspec(align(16)) VUINT32 poly_coeff[5][4][1];
+ __declspec(align(16)) VUINT32 Pi2H[4][1];
+ __declspec(align(16)) VUINT32 PiH[4][1];
+} __svml_sacos_data_internal;
+#endif
+__svml_sacos_data_internal:
+ /*== SgnBit ==*/
+ .long 0x80000000, 0x80000000, 0x80000000, 0x80000000
+ /*== OneHalf ==*/
+ .align 16
+ .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000
+ /*== SmallNorm ==*/
+ .align 16
+ .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000
+ /*== MOne ==*/
+ .align 16
+ .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000
+ /*== Two ==*/
+ .align 16
+ .long 0x40000000, 0x40000000, 0x40000000, 0x40000000
+ /*== sqrt_coeff[2] ==*/
+ .align 16
+ .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */
+ .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */
+ /*== poly_coeff[5] ==*/
+ .align 16
+ .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */
+ .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */
+ .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */
+ .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */
+ .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */
+ /*== Pi2H ==*/
+ .align 16
+ .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB
+ /*== PiH ==*/
+ .align 16
+ .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB
+ .align 16
+ .type __svml_sacos_data_internal,@object
+ .size __svml_sacos_data_internal,.-__svml_sacos_data_internal
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S
new file mode 100644
index 0000000..583ef54
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S
@@ -0,0 +1,20 @@
+/* SSE version of vectorized acosf, 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_acosf _ZGVdN8v_acosf_sse_wrapper
+#include "../svml_s_acosf8_core.S"
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c
new file mode 100644
index 0000000..dd360a9
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c
@@ -0,0 +1,28 @@
+/* Multiple versions of vectorized acosf, 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_acosf
+#include "ifunc-mathvec-avx2.h"
+
+libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ());
+
+#ifdef SHARED
+__hidden_ver1 (_ZGVdN8v_acosf, __GI__ZGVdN8v_acosf,
+ __redirect__ZGVdN8v_acosf)
+ __attribute__ ((visibility ("hidden")));
+#endif
diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S
new file mode 100644
index 0000000..bc783e5
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S
@@ -0,0 +1,264 @@
+/* Function acosf 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:
+ *
+ * SelMask = (|x| >= 0.5) ? 1 : 0;
+ * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x|
+ * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R))
+ * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|)
+ *
+ *
+ */
+
+/* Offsets for data table __svml_sacos_data_internal
+ */
+#define SgnBit 0
+#define OneHalf 32
+#define SmallNorm 64
+#define MOne 96
+#define Two 128
+#define sqrt_coeff 160
+#define poly_coeff 224
+#define Pi2H 384
+#define PiH 416
+
+#include <sysdep.h>
+
+ .text
+ .section .text.avx2,"ax",@progbits
+ENTRY(_ZGVdN8v_acosf_avx2)
+ pushq %rbp
+ cfi_def_cfa_offset(16)
+ movq %rsp, %rbp
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+ andq $-32, %rsp
+ subq $96, %rsp
+
+/*
+ * 2*sqrt(X) ~ Sh - Sl (to 24+ bits)
+ * SQ ~ 2*sqrt(X)
+ */
+ vmovups __svml_sacos_data_internal(%rip), %ymm6
+ vmovups OneHalf+__svml_sacos_data_internal(%rip), %ymm7
+ vmovaps %ymm0, %ymm5
+
+/* x = -|arg| */
+ vorps %ymm5, %ymm6, %ymm4
+
+/* Y = 0.5 + 0.5*(-x) */
+ vfmadd231ps %ymm4, %ymm7, %ymm7
+
+/* x^2 */
+ vmulps %ymm4, %ymm4, %ymm8
+
+/* SQ ~ 2*sqrt(Y) */
+ vmovups sqrt_coeff+__svml_sacos_data_internal(%rip), %ymm0
+ vcmpnge_uqps MOne+__svml_sacos_data_internal(%rip), %ymm4, %ymm9
+ vcmplt_oqps SmallNorm+__svml_sacos_data_internal(%rip), %ymm7, %ymm10
+ vminps %ymm7, %ymm8, %ymm2
+ vaddps %ymm7, %ymm7, %ymm14
+ vrsqrtps %ymm7, %ymm11
+ vmovups poly_coeff+64+__svml_sacos_data_internal(%rip), %ymm8
+ vcmpnlt_uqps %ymm7, %ymm2, %ymm1
+ vmulps %ymm2, %ymm2, %ymm7
+ vfmadd213ps poly_coeff+96+__svml_sacos_data_internal(%rip), %ymm2, %ymm8
+ vmovmskps %ymm9, %edx
+
+/* polynomial */
+ vmovups poly_coeff+__svml_sacos_data_internal(%rip), %ymm9
+ vandnps %ymm11, %ymm10, %ymm12
+ vmulps %ymm12, %ymm12, %ymm13
+ vfmadd213ps poly_coeff+32+__svml_sacos_data_internal(%rip), %ymm2, %ymm9
+
+/* X<X^2 iff X<0 */
+ vcmplt_oqps %ymm2, %ymm5, %ymm10
+ vfmadd213ps %ymm8, %ymm7, %ymm9
+ vandps %ymm5, %ymm6, %ymm3
+ vmulps %ymm14, %ymm12, %ymm6
+ vfmsub213ps Two+__svml_sacos_data_internal(%rip), %ymm13, %ymm14
+ vfmadd213ps poly_coeff+128+__svml_sacos_data_internal(%rip), %ymm2, %ymm9
+ vfmadd213ps sqrt_coeff+32+__svml_sacos_data_internal(%rip), %ymm14, %ymm0
+ vmulps %ymm14, %ymm6, %ymm15
+ vmulps %ymm9, %ymm2, %ymm14
+ vfnmadd213ps %ymm6, %ymm15, %ymm0
+ vblendvps %ymm1, %ymm0, %ymm4, %ymm0
+ vandps PiH+__svml_sacos_data_internal(%rip), %ymm1, %ymm2
+ vandnps Pi2H+__svml_sacos_data_internal(%rip), %ymm1, %ymm12
+ vxorps %ymm3, %ymm0, %ymm1
+ vfmadd213ps %ymm1, %ymm1, %ymm14
+ vandps %ymm10, %ymm2, %ymm11
+ vaddps %ymm12, %ymm11, %ymm13
+ vaddps %ymm14, %ymm13, %ymm0
+ testl %edx, %edx
+
+/* Go to special inputs processing branch */
+ jne L(SPECIAL_VALUES_BRANCH)
+ # LOE rbx r12 r13 r14 r15 edx ymm0 ymm5
+
+/* Restore registers
+ * and exit the function
+ */
+
+L(EXIT):
+ movq %rbp, %rsp
+ popq %rbp
+ cfi_def_cfa(7, 8)
+ cfi_restore(6)
+ ret
+ cfi_def_cfa(6, 16)
+ cfi_offset(6, -16)
+
+/* Branch to process
+ * special inputs
+ */
+
+L(SPECIAL_VALUES_BRANCH):
+ vmovups %ymm5, 32(%rsp)
+ vmovups %ymm0, 64(%rsp)
+ # LOE rbx r12 r13 r14 r15 edx ymm0
+
+ xorl %eax, %eax
+ # LOE rbx r12 r13 r14 r15 eax edx
+
+ vzeroupper
+ movq %r12, 16(%rsp)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22
+ movl %eax, %r12d
+ movq %r13, 8(%rsp)
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22
+ movl %edx, %r13d
+ movq %r14, (%rsp)
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r15 r12d r13d
+
+/* Range mask
+ * bits check
+ */
+
+L(RANGEMASK_CHECK):
+ btl %r12d, %r13d
+
+/* Call scalar math function */
+ jc L(SCALAR_MATH_CALL)
+ # LOE rbx r15 r12d r13d
+
+/* Special inputs
+ * processing loop
+ */
+
+L(SPECIAL_VALUES_LOOP):
+ incl %r12d
+ cmpl $8, %r12d
+
+/* Check bits in range mask */
+ jl L(RANGEMASK_CHECK)
+ # LOE rbx r15 r12d r13d
+
+ movq 16(%rsp), %r12
+ cfi_restore(12)
+ movq 8(%rsp), %r13
+ cfi_restore(13)
+ movq (%rsp), %r14
+ cfi_restore(14)
+ vmovups 64(%rsp), %ymm0
+
+/* Go to exit */
+ jmp L(EXIT)
+ /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22
+ /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */
+ .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22
+ # LOE rbx r12 r13 r14 r15 ymm0
+
+/* Scalar math fucntion call
+ * to process special input
+ */
+
+L(SCALAR_MATH_CALL):
+ movl %r12d, %r14d
+ movss 32(%rsp,%r14,4), %xmm0
+ call acosf@PLT
+ # LOE rbx r14 r15 r12d r13d xmm0
+
+ movss %xmm0, 64(%rsp,%r14,4)
+
+/* Process special inputs in loop */
+ jmp L(SPECIAL_VALUES_LOOP)
+ # LOE rbx r15 r12d r13d
+END(_ZGVdN8v_acosf_avx2)
+
+ .section .rodata, "a"
+ .align 32
+
+#ifdef __svml_sacos_data_internal_typedef
+typedef unsigned int VUINT32;
+typedef struct {
+ __declspec(align(32)) VUINT32 SgnBit[8][1];
+ __declspec(align(32)) VUINT32 OneHalf[8][1];
+ __declspec(align(32)) VUINT32 SmallNorm[8][1];
+ __declspec(align(32)) VUINT32 MOne[8][1];
+ __declspec(align(32)) VUINT32 Two[8][1];
+ __declspec(align(32)) VUINT32 sqrt_coeff[2][8][1];
+ __declspec(align(32)) VUINT32 poly_coeff[5][8][1];
+ __declspec(align(32)) VUINT32 Pi2H[8][1];
+ __declspec(align(32)) VUINT32 PiH[8][1];
+} __svml_sacos_data_internal;
+#endif
+__svml_sacos_data_internal:
+ /*== SgnBit ==*/
+ .long 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000
+ /*== OneHalf ==*/
+ .align 32
+ .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000
+ /*== SmallNorm ==*/
+ .align 32
+ .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000
+ /*== MOne ==*/
+ .align 32
+ .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000
+ /*== Two ==*/
+ .align 32
+ .long 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000
+ /*== sqrt_coeff[2] ==*/
+ .align 32
+ .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */
+ .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */
+ /*== poly_coeff[5] ==*/
+ .align 32
+ .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */
+ .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */
+ .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */
+ .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */
+ .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */
+ /*== Pi2H ==*/
+ .align 32
+ .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB
+ /*== PiH ==*/
+ .align 32
+ .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB
+ .align 32
+ .type __svml_sacos_data_internal,@object
+ .size __svml_sacos_data_internal,.-__svml_sacos_data_internal
diff --git a/sysdeps/x86_64/fpu/svml_d_acos2_core.S b/sysdeps/x86_64/fpu/svml_d_acos2_core.S
new file mode 100644
index 0000000..9656478
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_acos2_core.S
@@ -0,0 +1,29 @@
+/* Function acos 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_acos)
+WRAPPER_IMPL_SSE2 acos
+END (_ZGVbN2v_acos)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVbN2v_acos)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_d_acos4_core.S b/sysdeps/x86_64/fpu/svml_d_acos4_core.S
new file mode 100644
index 0000000..e99cb4a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_acos4_core.S
@@ -0,0 +1,29 @@
+/* Function acos 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_acos)
+WRAPPER_IMPL_AVX _ZGVbN2v_acos
+END (_ZGVdN4v_acos)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVdN4v_acos)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S b/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S
new file mode 100644
index 0000000..7cbcbc9
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S
@@ -0,0 +1,25 @@
+/* Function acos 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_acos)
+WRAPPER_IMPL_AVX _ZGVbN2v_acos
+END (_ZGVcN4v_acos)
diff --git a/sysdeps/x86_64/fpu/svml_d_acos8_core.S b/sysdeps/x86_64/fpu/svml_d_acos8_core.S
new file mode 100644
index 0000000..e26b30d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_d_acos8_core.S
@@ -0,0 +1,25 @@
+/* Function acos 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_acos)
+WRAPPER_IMPL_AVX512 _ZGVdN4v_acos
+END (_ZGVeN8v_acos)
diff --git a/sysdeps/x86_64/fpu/svml_s_acosf16_core.S b/sysdeps/x86_64/fpu/svml_s_acosf16_core.S
new file mode 100644
index 0000000..70e046d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_acosf16_core.S
@@ -0,0 +1,25 @@
+/* Function acosf 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_acosf)
+WRAPPER_IMPL_AVX512 _ZGVdN8v_acosf
+END (_ZGVeN16v_acosf)
diff --git a/sysdeps/x86_64/fpu/svml_s_acosf4_core.S b/sysdeps/x86_64/fpu/svml_s_acosf4_core.S
new file mode 100644
index 0000000..36354b3
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_acosf4_core.S
@@ -0,0 +1,29 @@
+/* Function acosf 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_acosf)
+WRAPPER_IMPL_SSE2 acosf
+END (_ZGVbN4v_acosf)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVbN4v_acosf)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_s_acosf8_core.S b/sysdeps/x86_64/fpu/svml_s_acosf8_core.S
new file mode 100644
index 0000000..f08864a
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_acosf8_core.S
@@ -0,0 +1,29 @@
+/* Function acosf 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_acosf)
+WRAPPER_IMPL_AVX _ZGVbN4v_acosf
+END (_ZGVdN8v_acosf)
+
+#ifndef USE_MULTIARCH
+ libmvec_hidden_def (_ZGVdN8v_acosf)
+#endif
diff --git a/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S b/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S
new file mode 100644
index 0000000..f3ed4d8
--- /dev/null
+++ b/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S
@@ -0,0 +1,25 @@
+/* Function acosf 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_acosf)
+WRAPPER_IMPL_AVX _ZGVbN4v_acosf
+END (_ZGVcN8v_acosf)
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c
new file mode 100644
index 0000000..4f74b42
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c
new file mode 100644
index 0000000..4f74b42
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c
new file mode 100644
index 0000000..4f74b42
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos.c
new file mode 100644
index 0000000..e38b8ce
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos.c
@@ -0,0 +1,3 @@
+#define LIBMVEC_TYPE double
+#define LIBMVEC_FUNC acos
+#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 ed932fc..0abc7d2 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVbN2v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVbN2v_log)
VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVbN2v_exp)
VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVbN2vv_pow)
+VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVbN2v_acos)
#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 3a6e370..dda093b 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c
@@ -30,6 +30,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVdN4v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVdN4v_log)
VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVdN4v_exp)
VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVdN4vv_pow)
+VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVdN4v_acos)
#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 99db4e7..f323046 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVcN4v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVcN4v_log)
VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVcN4v_exp)
VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVcN4vv_pow)
+VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVcN4v_acos)
#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 251d429..cf9f52f 100644
--- a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVeN8v_sin)
VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVeN8v_log)
VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVeN8v_exp)
VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVeN8vv_pow)
+VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVeN8v_acos)
#ifndef __ILP32__
# define VEC_INT_TYPE __m512i
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c
new file mode 100644
index 0000000..1e6474d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c
new file mode 100644
index 0000000..1e6474d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c
new file mode 100644
index 0000000..1e6474d
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c
new file mode 100644
index 0000000..fb47f97
--- /dev/null
+++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c
@@ -0,0 +1,3 @@
+#define LIBMVEC_TYPE float
+#define LIBMVEC_FUNC acosf
+#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 c1d14cd..abbd3ed 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVeN16v_sinf)
VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVeN16v_logf)
VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVeN16v_expf)
VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVeN16vv_powf)
+VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVeN16v_acosf)
#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 d23c372..8a24027 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVbN4v_sinf)
VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVbN4v_logf)
VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVbN4v_expf)
VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVbN4vv_powf)
+VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVbN4v_acosf)
#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 3152cff..aff0442 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c
@@ -30,6 +30,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVdN8v_sinf)
VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVdN8v_logf)
VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVdN8v_expf)
VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVdN8vv_powf)
+VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVdN8v_acosf)
/* 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 a8492ab..913584d 100644
--- a/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c
+++ b/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c
@@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVcN8v_sinf)
VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVcN8v_logf)
VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVcN8v_expf)
VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVcN8vv_powf)
+VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVcN8v_acosf)
#define VEC_INT_TYPE __m128i