[v7,1/1] x86-64: Add vector acos/acosf implementation to libmvec
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Build for i686
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Commit Message
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.
---
bits/libm-simd-decl-stubs.h | 11 +
math/bits/mathcalls.h | 2 +-
.../unix/sysv/linux/x86_64/libmvec.abilist | 8 +
sysdeps/x86/fpu/bits/math-vector.h | 4 +
.../x86/fpu/finclude/math-vector-fortran.h | 4 +
sysdeps/x86_64/fpu/Makeconfig | 1 +
sysdeps/x86_64/fpu/Versions | 4 +
sysdeps/x86_64/fpu/libm-test-ulps | 20 ++
.../fpu/multiarch/ifunc-mathvec-avx512-skx.h | 39 +++
.../fpu/multiarch/svml_d_acos2_core-sse2.S | 20 ++
.../x86_64/fpu/multiarch/svml_d_acos2_core.c | 27 ++
.../fpu/multiarch/svml_d_acos2_core_sse4.S | 303 +++++++++++++++++
.../fpu/multiarch/svml_d_acos4_core-sse.S | 20 ++
.../x86_64/fpu/multiarch/svml_d_acos4_core.c | 27 ++
.../fpu/multiarch/svml_d_acos4_core_avx2.S | 285 ++++++++++++++++
.../fpu/multiarch/svml_d_acos8_core-avx2.S | 20 ++
.../x86_64/fpu/multiarch/svml_d_acos8_core.c | 27 ++
.../fpu/multiarch/svml_d_acos8_core_avx512.S | 307 ++++++++++++++++++
.../fpu/multiarch/svml_s_acosf16_core-avx2.S | 20 ++
.../fpu/multiarch/svml_s_acosf16_core.c | 28 ++
.../multiarch/svml_s_acosf16_core_avx512.S | 271 ++++++++++++++++
.../fpu/multiarch/svml_s_acosf4_core-sse2.S | 20 ++
.../x86_64/fpu/multiarch/svml_s_acosf4_core.c | 28 ++
.../fpu/multiarch/svml_s_acosf4_core_sse4.S | 270 +++++++++++++++
.../fpu/multiarch/svml_s_acosf8_core-sse.S | 20 ++
.../x86_64/fpu/multiarch/svml_s_acosf8_core.c | 28 ++
.../fpu/multiarch/svml_s_acosf8_core_avx2.S | 264 +++++++++++++++
sysdeps/x86_64/fpu/svml_d_acos2_core.S | 29 ++
sysdeps/x86_64/fpu/svml_d_acos4_core.S | 29 ++
sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S | 25 ++
sysdeps/x86_64/fpu/svml_d_acos8_core.S | 25 ++
sysdeps/x86_64/fpu/svml_s_acosf16_core.S | 25 ++
sysdeps/x86_64/fpu/svml_s_acosf4_core.S | 29 ++
sysdeps/x86_64/fpu/svml_s_acosf8_core.S | 29 ++
sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S | 25 ++
.../x86_64/fpu/test-double-libmvec-acos-avx.c | 1 +
.../fpu/test-double-libmvec-acos-avx2.c | 1 +
.../fpu/test-double-libmvec-acos-avx512f.c | 1 +
sysdeps/x86_64/fpu/test-double-libmvec-acos.c | 3 +
.../x86_64/fpu/test-double-vlen2-wrappers.c | 1 +
.../fpu/test-double-vlen4-avx2-wrappers.c | 1 +
.../x86_64/fpu/test-double-vlen4-wrappers.c | 1 +
.../x86_64/fpu/test-double-vlen8-wrappers.c | 1 +
.../x86_64/fpu/test-float-libmvec-acosf-avx.c | 1 +
.../fpu/test-float-libmvec-acosf-avx2.c | 1 +
.../fpu/test-float-libmvec-acosf-avx512f.c | 1 +
sysdeps/x86_64/fpu/test-float-libmvec-acosf.c | 3 +
.../x86_64/fpu/test-float-vlen16-wrappers.c | 1 +
.../x86_64/fpu/test-float-vlen4-wrappers.c | 1 +
.../fpu/test-float-vlen8-avx2-wrappers.c | 1 +
.../x86_64/fpu/test-float-vlen8-wrappers.c | 1 +
51 files changed, 2313 insertions(+), 1 deletion(-)
create mode 100644 sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c
create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S
create mode 100644 sysdeps/x86_64/fpu/svml_d_acos2_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_d_acos4_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S
create mode 100644 sysdeps/x86_64/fpu/svml_d_acos8_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf16_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf4_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf8_core.S
create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S
create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c
create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c
create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c
create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos.c
create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c
create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c
create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c
create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf.c
Comments
On Wed, Dec 22, 2021 at 8:23 AM Sunil K Pandey <skpgkp2@gmail.com> wrote:
>
> 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.
> ---
> bits/libm-simd-decl-stubs.h | 11 +
> math/bits/mathcalls.h | 2 +-
> .../unix/sysv/linux/x86_64/libmvec.abilist | 8 +
> sysdeps/x86/fpu/bits/math-vector.h | 4 +
> .../x86/fpu/finclude/math-vector-fortran.h | 4 +
> sysdeps/x86_64/fpu/Makeconfig | 1 +
> sysdeps/x86_64/fpu/Versions | 4 +
> sysdeps/x86_64/fpu/libm-test-ulps | 20 ++
> .../fpu/multiarch/ifunc-mathvec-avx512-skx.h | 39 +++
> .../fpu/multiarch/svml_d_acos2_core-sse2.S | 20 ++
> .../x86_64/fpu/multiarch/svml_d_acos2_core.c | 27 ++
> .../fpu/multiarch/svml_d_acos2_core_sse4.S | 303 +++++++++++++++++
> .../fpu/multiarch/svml_d_acos4_core-sse.S | 20 ++
> .../x86_64/fpu/multiarch/svml_d_acos4_core.c | 27 ++
> .../fpu/multiarch/svml_d_acos4_core_avx2.S | 285 ++++++++++++++++
> .../fpu/multiarch/svml_d_acos8_core-avx2.S | 20 ++
> .../x86_64/fpu/multiarch/svml_d_acos8_core.c | 27 ++
> .../fpu/multiarch/svml_d_acos8_core_avx512.S | 307 ++++++++++++++++++
> .../fpu/multiarch/svml_s_acosf16_core-avx2.S | 20 ++
> .../fpu/multiarch/svml_s_acosf16_core.c | 28 ++
> .../multiarch/svml_s_acosf16_core_avx512.S | 271 ++++++++++++++++
> .../fpu/multiarch/svml_s_acosf4_core-sse2.S | 20 ++
> .../x86_64/fpu/multiarch/svml_s_acosf4_core.c | 28 ++
> .../fpu/multiarch/svml_s_acosf4_core_sse4.S | 270 +++++++++++++++
> .../fpu/multiarch/svml_s_acosf8_core-sse.S | 20 ++
> .../x86_64/fpu/multiarch/svml_s_acosf8_core.c | 28 ++
> .../fpu/multiarch/svml_s_acosf8_core_avx2.S | 264 +++++++++++++++
> sysdeps/x86_64/fpu/svml_d_acos2_core.S | 29 ++
> sysdeps/x86_64/fpu/svml_d_acos4_core.S | 29 ++
> sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S | 25 ++
> sysdeps/x86_64/fpu/svml_d_acos8_core.S | 25 ++
> sysdeps/x86_64/fpu/svml_s_acosf16_core.S | 25 ++
> sysdeps/x86_64/fpu/svml_s_acosf4_core.S | 29 ++
> sysdeps/x86_64/fpu/svml_s_acosf8_core.S | 29 ++
> sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S | 25 ++
> .../x86_64/fpu/test-double-libmvec-acos-avx.c | 1 +
> .../fpu/test-double-libmvec-acos-avx2.c | 1 +
> .../fpu/test-double-libmvec-acos-avx512f.c | 1 +
> sysdeps/x86_64/fpu/test-double-libmvec-acos.c | 3 +
> .../x86_64/fpu/test-double-vlen2-wrappers.c | 1 +
> .../fpu/test-double-vlen4-avx2-wrappers.c | 1 +
> .../x86_64/fpu/test-double-vlen4-wrappers.c | 1 +
> .../x86_64/fpu/test-double-vlen8-wrappers.c | 1 +
> .../x86_64/fpu/test-float-libmvec-acosf-avx.c | 1 +
> .../fpu/test-float-libmvec-acosf-avx2.c | 1 +
> .../fpu/test-float-libmvec-acosf-avx512f.c | 1 +
> sysdeps/x86_64/fpu/test-float-libmvec-acosf.c | 3 +
> .../x86_64/fpu/test-float-vlen16-wrappers.c | 1 +
> .../x86_64/fpu/test-float-vlen4-wrappers.c | 1 +
> .../fpu/test-float-vlen8-avx2-wrappers.c | 1 +
> .../x86_64/fpu/test-float-vlen8-wrappers.c | 1 +
> 51 files changed, 2313 insertions(+), 1 deletion(-)
> create mode 100644 sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c
> create mode 100644 sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S
> create mode 100644 sysdeps/x86_64/fpu/svml_d_acos2_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_d_acos4_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S
> create mode 100644 sysdeps/x86_64/fpu/svml_d_acos8_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf16_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf4_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf8_core.S
> create mode 100644 sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S
> create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c
> create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c
> create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c
> create mode 100644 sysdeps/x86_64/fpu/test-double-libmvec-acos.c
> create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c
> create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c
> create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c
> create mode 100644 sysdeps/x86_64/fpu/test-float-libmvec-acosf.c
>
> diff --git a/bits/libm-simd-decl-stubs.h b/bits/libm-simd-decl-stubs.h
> index b80ff332a0..2ccdd1fc53 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 da4cf4e10c..2cc6654208 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 363d4ace1e..b37b55777e 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 dc0bfb3705..dabb74cbb9 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 311bb4e391..4bcbd1fbce 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 b0e3bf7887..7acf1f306c 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 08132045d6..2985fe7ca7 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 1c75f0ead4..6c12976c82 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 0000000000..3aed563dde
> --- /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 0000000000..25fb8d0cac
> --- /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 0000000000..5ba5d6fac2
> --- /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 0000000000..aea45279ce
> --- /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 0000000000..750f71c81c
> --- /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 0000000000..6453e7ebe2
> --- /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 0000000000..bf85bdbd37
> --- /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 0000000000..4d64fd1c00
> --- /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 0000000000..1e7d1865fb
> --- /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 0000000000..521ff739c5
> --- /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 0000000000..1ff0cfc8d5
> --- /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 0000000000..fcf05782c5
> --- /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 0000000000..36f08c492e
> --- /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 0000000000..f94b3eb01a
> --- /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 0000000000..6f9a5c1082
> --- /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 0000000000..3b7c25a961
> --- /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 0000000000..583ef54fee
> --- /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 0000000000..dd360a9479
> --- /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 0000000000..bc783e5825
> --- /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 0000000000..9656478b2d
> --- /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 0000000000..e99cb4ae78
> --- /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 0000000000..7cbcbc965c
> --- /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 0000000000..e26b30d81a
> --- /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 0000000000..70e046d492
> --- /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 0000000000..36354b32b5
> --- /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 0000000000..f08864a511
> --- /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 0000000000..f3ed4d8e78
> --- /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 0000000000..4f74b4260a
> --- /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 0000000000..4f74b4260a
> --- /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 0000000000..4f74b4260a
> --- /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 0000000000..e38b8ce821
> --- /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 ed932fc98d..0abc7d2021 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 3a6e37044f..dda093b914 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 99db4e7616..f3230463bb 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 251d429ac0..cf9f52faf0 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 0000000000..1e6474dfa2
> --- /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 0000000000..1e6474dfa2
> --- /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 0000000000..1e6474dfa2
> --- /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 0000000000..fb47f974fd
> --- /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 c1d14cd79e..abbd3ed870 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 d23c372060..8a24027952 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 3152cffb0c..aff0442606 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 a8492abfef..913584d111 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
>
> --
> 2.31.1
>
LGTM.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Thanks.
@@ -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
@@ -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. */
@@ -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
@@ -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
@@ -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')
@@ -22,6 +22,7 @@ postclean-generated += libmvec.mk
# Define for both math and mathvec directories.
libmvec-funcs = \
+ acos \
cos \
exp \
log \
@@ -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;
+ }
}
@@ -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
new file mode 100644
@@ -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);
+}
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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"
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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)
new file mode 100644
@@ -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)
new file mode 100644
@@ -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)
new file mode 100644
@@ -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
new file mode 100644
@@ -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
new file mode 100644
@@ -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)
new file mode 100644
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
new file mode 100644
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
new file mode 100644
@@ -0,0 +1 @@
+#include "test-double-libmvec-acos.c"
new file mode 100644
@@ -0,0 +1,3 @@
+#define LIBMVEC_TYPE double
+#define LIBMVEC_FUNC acos
+#include "test-vector-abi-arg1.h"
@@ -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
@@ -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
@@ -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
@@ -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
new file mode 100644
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
new file mode 100644
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
new file mode 100644
@@ -0,0 +1 @@
+#include "test-float-libmvec-acosf.c"
new file mode 100644
@@ -0,0 +1,3 @@
+#define LIBMVEC_TYPE float
+#define LIBMVEC_FUNC acosf
+#include "test-vector-abi-arg1.h"
@@ -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
@@ -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
@@ -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
@@ -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