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| author | Sunil K Pandey <skpgkp2@gmail.com> | 2021-12-22 06:20:41 -0800 |
|---|---|---|
| committer | Sunil K Pandey <skpgkp2@gmail.com> | 2021-12-22 13:03:14 -0800 |
| commit | f20f980c71651e2b2c49e717f547d958cbe29a55 (patch) | |
| tree | 49c6a6b55bfe523ac0c230182e6fbcbdc1e7c5e2 | |
| parent | c6d7d6312c21bbcfb236d48bb7c11cedb234389f (diff) | |
| download | glibc-f20f980c71651e2b2c49e717f547d958cbe29a55.zip glibc-f20f980c71651e2b2c49e717f547d958cbe29a55.tar.gz glibc-f20f980c71651e2b2c49e717f547d958cbe29a55.tar.bz2 | |
x86-64: Add vector acos/acosf implementation to libmvec
Implement vectorized acos/acosf containing SSE, AVX, AVX2 and
AVX512 versions for libmvec as per vector ABI. It also contains
accuracy and ABI tests for vector acos/acosf with regenerated ulps.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
51 files changed, 2313 insertions, 1 deletions
diff --git a/bits/libm-simd-decl-stubs.h b/bits/libm-simd-decl-stubs.h index b80ff33..2ccdd1f 100644 --- a/bits/libm-simd-decl-stubs.h +++ b/bits/libm-simd-decl-stubs.h @@ -98,4 +98,15 @@ #define __DECL_SIMD_powf32x #define __DECL_SIMD_powf64x #define __DECL_SIMD_powf128x + +#define __DECL_SIMD_acos +#define __DECL_SIMD_acosf +#define __DECL_SIMD_acosl +#define __DECL_SIMD_acosf16 +#define __DECL_SIMD_acosf32 +#define __DECL_SIMD_acosf64 +#define __DECL_SIMD_acosf128 +#define __DECL_SIMD_acosf32x +#define __DECL_SIMD_acosf64x +#define __DECL_SIMD_acosf128x #endif diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h index da4cf4e..2cc6654 100644 --- a/math/bits/mathcalls.h +++ b/math/bits/mathcalls.h @@ -50,7 +50,7 @@ /* Trigonometric functions. */ /* Arc cosine of X. */ -__MATHCALL (acos,, (_Mdouble_ __x)); +__MATHCALL_VEC (acos,, (_Mdouble_ __x)); /* Arc sine of X. */ __MATHCALL (asin,, (_Mdouble_ __x)); /* Arc tangent of X. */ diff --git a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist index 363d4ac..b37b557 100644 --- a/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/libmvec.abilist @@ -46,3 +46,11 @@ GLIBC_2.22 _ZGVeN8v_log F GLIBC_2.22 _ZGVeN8v_sin F GLIBC_2.22 _ZGVeN8vv_pow F GLIBC_2.22 _ZGVeN8vvv_sincos F +GLIBC_2.35 _ZGVbN2v_acos F +GLIBC_2.35 _ZGVbN4v_acosf F +GLIBC_2.35 _ZGVcN4v_acos F +GLIBC_2.35 _ZGVcN8v_acosf F +GLIBC_2.35 _ZGVdN4v_acos F +GLIBC_2.35 _ZGVdN8v_acosf F +GLIBC_2.35 _ZGVeN16v_acosf F +GLIBC_2.35 _ZGVeN8v_acos F diff --git a/sysdeps/x86/fpu/bits/math-vector.h b/sysdeps/x86/fpu/bits/math-vector.h index dc0bfb3..dabb74c 100644 --- a/sysdeps/x86/fpu/bits/math-vector.h +++ b/sysdeps/x86/fpu/bits/math-vector.h @@ -58,6 +58,10 @@ # define __DECL_SIMD_pow __DECL_SIMD_x86_64 # undef __DECL_SIMD_powf # define __DECL_SIMD_powf __DECL_SIMD_x86_64 +# undef __DECL_SIMD_acos +# define __DECL_SIMD_acos __DECL_SIMD_x86_64 +# undef __DECL_SIMD_acosf +# define __DECL_SIMD_acosf __DECL_SIMD_x86_64 # endif #endif diff --git a/sysdeps/x86/fpu/finclude/math-vector-fortran.h b/sysdeps/x86/fpu/finclude/math-vector-fortran.h index 311bb4e..4bcbd1f 100644 --- a/sysdeps/x86/fpu/finclude/math-vector-fortran.h +++ b/sysdeps/x86/fpu/finclude/math-vector-fortran.h @@ -28,6 +28,8 @@ !GCC$ builtin (expf) attributes simd (notinbranch) if('x86_64') !GCC$ builtin (pow) attributes simd (notinbranch) if('x86_64') !GCC$ builtin (powf) attributes simd (notinbranch) if('x86_64') +!GCC$ builtin (acos) attributes simd (notinbranch) if('x86_64') +!GCC$ builtin (acosf) attributes simd (notinbranch) if('x86_64') !GCC$ builtin (cos) attributes simd (notinbranch) if('x32') !GCC$ builtin (cosf) attributes simd (notinbranch) if('x32') @@ -41,3 +43,5 @@ !GCC$ builtin (expf) attributes simd (notinbranch) if('x32') !GCC$ builtin (pow) attributes simd (notinbranch) if('x32') !GCC$ builtin (powf) attributes simd (notinbranch) if('x32') +!GCC$ builtin (acos) attributes simd (notinbranch) if('x32') +!GCC$ builtin (acosf) attributes simd (notinbranch) if('x32') diff --git a/sysdeps/x86_64/fpu/Makeconfig b/sysdeps/x86_64/fpu/Makeconfig index b0e3bf7..7acf1f3 100644 --- a/sysdeps/x86_64/fpu/Makeconfig +++ b/sysdeps/x86_64/fpu/Makeconfig @@ -22,6 +22,7 @@ postclean-generated += libmvec.mk # Define for both math and mathvec directories. libmvec-funcs = \ + acos \ cos \ exp \ log \ diff --git a/sysdeps/x86_64/fpu/Versions b/sysdeps/x86_64/fpu/Versions index 0813204..2985fe7 100644 --- a/sysdeps/x86_64/fpu/Versions +++ b/sysdeps/x86_64/fpu/Versions @@ -13,4 +13,8 @@ libmvec { _ZGVbN4vv_powf; _ZGVcN8vv_powf; _ZGVdN8vv_powf; _ZGVeN16vv_powf; _ZGVbN4vvv_sincosf; _ZGVcN8vvv_sincosf; _ZGVdN8vvv_sincosf; _ZGVeN16vvv_sincosf; } + GLIBC_2.35 { + _ZGVbN2v_acos; _ZGVcN4v_acos; _ZGVdN4v_acos; _ZGVeN8v_acos; + _ZGVbN4v_acosf; _ZGVcN8v_acosf; _ZGVdN8v_acosf; _ZGVeN16v_acosf; + } } diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 1c75f0e..6c12976 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -25,6 +25,26 @@ float: 1 float128: 1 ldouble: 2 +Function: "acos_vlen16": +float: 1 + +Function: "acos_vlen2": +double: 1 + +Function: "acos_vlen4": +double: 1 +float: 2 + +Function: "acos_vlen4_avx2": +double: 1 + +Function: "acos_vlen8": +double: 1 +float: 2 + +Function: "acos_vlen8_avx2": +float: 1 + Function: "acosh": double: 2 float: 2 diff --git a/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h new file mode 100644 index 0000000..3aed563 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/ifunc-mathvec-avx512-skx.h @@ -0,0 +1,39 @@ +/* Common definition for libmathvec ifunc selections optimized with + AVX512. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <init-arch.h> + +#undef PASTER2 +#define PASTER2(x,y) x##_##y + +extern void REDIRECT_NAME (void); +extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2_wrapper) attribute_hidden; +extern __typeof (REDIRECT_NAME) OPTIMIZE (skx) attribute_hidden; + +static inline void * +IFUNC_SELECTOR (void) +{ + const struct cpu_features* cpu_features = __get_cpu_features (); + + if (!CPU_FEATURES_ARCH_P (cpu_features, MathVec_Prefer_No_AVX512) + && CPU_FEATURE_USABLE_P (cpu_features, AVX512DQ)) + return OPTIMIZE (skx); + + return OPTIMIZE (avx2_wrapper); +} diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S new file mode 100644 index 0000000..25fb8d0 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core-sse2.S @@ -0,0 +1,20 @@ +/* SSE2 version of vectorized acos, vector length is 2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVbN2v_acos _ZGVbN2v_acos_sse2 +#include "../svml_d_acos2_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c new file mode 100644 index 0000000..5ba5d6f --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core.c @@ -0,0 +1,27 @@ +/* Multiple versions of vectorized acos, vector length is 2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVbN2v_acos +#include "ifunc-mathvec-sse4_1.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVbN2v_acos, __GI__ZGVbN2v_acos, __redirect__ZGVbN2v_acos) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S new file mode 100644 index 0000000..aea4527 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos2_core_sse4.S @@ -0,0 +1,303 @@ +/* Function acos vectorized with SSE4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + */ + +/* Offsets for data table __svml_dacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 16 +#define SmallNorm 32 +#define MOne 48 +#define Two 64 +#define sqrt_coeff 80 +#define poly_coeff 144 +#define PiH 336 +#define Pi2H 352 + +#include <sysdep.h> + + .text + .section .text.sse4,"ax",@progbits +ENTRY(_ZGVbN2v_acos_sse4) + subq $72, %rsp + cfi_def_cfa_offset(80) + movaps %xmm0, %xmm5 + movups __svml_dacos_data_internal(%rip), %xmm3 + movups OneHalf+__svml_dacos_data_internal(%rip), %xmm6 + +/* x = -|arg| */ + movaps %xmm3, %xmm4 + orps %xmm5, %xmm4 + +/* Y = 0.5 + 0.5*(-x) */ + movaps %xmm6, %xmm7 + mulpd %xmm4, %xmm7 + addpd %xmm7, %xmm6 + +/* S ~ 2*sqrt(Y) */ + cvtpd2ps %xmm6, %xmm9 + movlhps %xmm9, %xmm9 + +/* x^2 */ + movaps %xmm4, %xmm0 + rsqrtps %xmm9, %xmm10 + mulpd %xmm4, %xmm0 + cvtps2pd %xmm10, %xmm11 + minpd %xmm6, %xmm0 + movaps %xmm6, %xmm1 + movaps %xmm0, %xmm2 + cmpltpd SmallNorm+__svml_dacos_data_internal(%rip), %xmm1 + cmpnltpd %xmm6, %xmm2 + addpd %xmm6, %xmm6 + andnps %xmm11, %xmm1 + movaps %xmm0, %xmm11 + movaps %xmm1, %xmm12 + andps %xmm5, %xmm3 + mulpd %xmm1, %xmm12 + mulpd %xmm6, %xmm1 + mulpd %xmm12, %xmm6 + mulpd %xmm0, %xmm11 + subpd Two+__svml_dacos_data_internal(%rip), %xmm6 + movups sqrt_coeff+__svml_dacos_data_internal(%rip), %xmm13 + movaps %xmm6, %xmm14 + mulpd %xmm6, %xmm13 + mulpd %xmm1, %xmm14 + addpd sqrt_coeff+16+__svml_dacos_data_internal(%rip), %xmm13 + mulpd %xmm6, %xmm13 + addpd sqrt_coeff+32+__svml_dacos_data_internal(%rip), %xmm13 + mulpd %xmm13, %xmm6 + +/* polynomial */ + movups poly_coeff+__svml_dacos_data_internal(%rip), %xmm15 + movaps %xmm11, %xmm7 + mulpd %xmm0, %xmm15 + addpd sqrt_coeff+48+__svml_dacos_data_internal(%rip), %xmm6 + addpd poly_coeff+16+__svml_dacos_data_internal(%rip), %xmm15 + mulpd %xmm11, %xmm7 + mulpd %xmm6, %xmm14 + mulpd %xmm11, %xmm15 + subpd %xmm14, %xmm1 + movups MOne+__svml_dacos_data_internal(%rip), %xmm8 + andps %xmm2, %xmm1 + +/* NaN processed in special branch (so wind test passed) */ + cmpnlepd %xmm4, %xmm8 + movmskpd %xmm8, %edx + +/* X<X^2 iff X<0 */ + movaps %xmm5, %xmm12 + movups poly_coeff+32+__svml_dacos_data_internal(%rip), %xmm8 + movaps %xmm2, %xmm13 + movups poly_coeff+64+__svml_dacos_data_internal(%rip), %xmm6 + mulpd %xmm0, %xmm8 + mulpd %xmm0, %xmm6 + addpd poly_coeff+48+__svml_dacos_data_internal(%rip), %xmm8 + addpd poly_coeff+80+__svml_dacos_data_internal(%rip), %xmm6 + cmpltpd %xmm0, %xmm12 + addpd %xmm15, %xmm8 + mulpd %xmm11, %xmm6 + mulpd %xmm7, %xmm8 + movups poly_coeff+96+__svml_dacos_data_internal(%rip), %xmm9 + mulpd %xmm0, %xmm9 + addpd poly_coeff+112+__svml_dacos_data_internal(%rip), %xmm9 + addpd %xmm6, %xmm9 + movups poly_coeff+128+__svml_dacos_data_internal(%rip), %xmm10 + movaps %xmm2, %xmm6 + mulpd %xmm0, %xmm10 + addpd %xmm8, %xmm9 + addpd poly_coeff+144+__svml_dacos_data_internal(%rip), %xmm10 + mulpd %xmm11, %xmm9 + movups poly_coeff+160+__svml_dacos_data_internal(%rip), %xmm14 + andnps %xmm4, %xmm6 + addpd %xmm9, %xmm10 + mulpd %xmm0, %xmm14 + mulpd %xmm10, %xmm11 + addpd poly_coeff+176+__svml_dacos_data_internal(%rip), %xmm14 + addpd %xmm11, %xmm14 + mulpd %xmm0, %xmm14 + orps %xmm1, %xmm6 + pxor %xmm3, %xmm6 + mulpd %xmm6, %xmm14 + movups PiH+__svml_dacos_data_internal(%rip), %xmm0 + andps %xmm2, %xmm0 + andnps Pi2H+__svml_dacos_data_internal(%rip), %xmm13 + andps %xmm12, %xmm0 + addpd %xmm13, %xmm0 + addpd %xmm14, %xmm6 + addpd %xmm6, %xmm0 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm5 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + addq $72, %rsp + cfi_def_cfa_offset(8) + ret + cfi_def_cfa_offset(80) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + movups %xmm5, 32(%rsp) + movups %xmm0, 48(%rsp) + # LOE rbx rbp r12 r13 r14 r15 edx + + xorl %eax, %eax + movq %r12, 16(%rsp) + cfi_offset(12, -64) + movl %eax, %r12d + movq %r13, 8(%rsp) + cfi_offset(13, -72) + movl %edx, %r13d + movq %r14, (%rsp) + cfi_offset(14, -80) + # LOE rbx rbp r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx rbp r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $2, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx rbp r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + movups 48(%rsp), %xmm0 + +/* Go to exit */ + jmp L(EXIT) + cfi_offset(12, -64) + cfi_offset(13, -72) + cfi_offset(14, -80) + # LOE rbx rbp r12 r13 r14 r15 xmm0 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movsd 32(%rsp,%r14,8), %xmm0 + call acos@PLT + # LOE rbx rbp r14 r15 r12d r13d xmm0 + + movsd %xmm0, 48(%rsp,%r14,8) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx rbp r15 r12d r13d +END(_ZGVbN2v_acos_sse4) + + .section .rodata, "a" + .align 16 + +#ifdef __svml_dacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(16)) VUINT32 SgnBit[2][2]; + __declspec(align(16)) VUINT32 OneHalf[2][2]; + __declspec(align(16)) VUINT32 SmallNorm[2][2]; + __declspec(align(16)) VUINT32 MOne[2][2]; + __declspec(align(16)) VUINT32 Two[2][2]; + __declspec(align(16)) VUINT32 sqrt_coeff[4][2][2]; + __declspec(align(16)) VUINT32 poly_coeff[12][2][2]; + __declspec(align(16)) VUINT32 PiH[2][2]; + __declspec(align(16)) VUINT32 Pi2H[2][2]; +} __svml_dacos_data_internal; +#endif +__svml_dacos_data_internal: + /*== SgnBit ==*/ + .quad 0x8000000000000000, 0x8000000000000000 + /*== OneHalf ==*/ + .align 16 + .quad 0x3fe0000000000000, 0x3fe0000000000000 + /*== SmallNorm ==*/ + .align 16 + .quad 0x3000000000000000, 0x3000000000000000 + /*== MOne ==*/ + .align 16 + .quad 0xbff0000000000000, 0xbff0000000000000 + /*== Two ==*/ + .align 16 + .quad 0x4000000000000000, 0x4000000000000000 + /*== sqrt_coeff[4] ==*/ + .align 16 + .quad 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */ + .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */ + .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */ + .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */ + /*== poly_coeff[12] ==*/ + .align 16 + .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */ + .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */ + .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */ + .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */ + .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */ + .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */ + .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */ + .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */ + .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */ + .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */ + .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */ + .quad 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */ + /*== PiH ==*/ + .align 16 + .quad 0x400921fb54442d18, 0x400921fb54442d18 + /*== Pi2H ==*/ + .align 16 + .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18 + .align 16 + .type __svml_dacos_data_internal,@object + .size __svml_dacos_data_internal,.-__svml_dacos_data_internal diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S new file mode 100644 index 0000000..750f71c --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core-sse.S @@ -0,0 +1,20 @@ +/* SSE version of vectorized acos, vector length is 4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVdN4v_acos _ZGVdN4v_acos_sse_wrapper +#include "../svml_d_acos4_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c new file mode 100644 index 0000000..6453e7e --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core.c @@ -0,0 +1,27 @@ +/* Multiple versions of vectorized acos, vector length is 4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVdN4v_acos +#include "ifunc-mathvec-avx2.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVdN4v_acos, __GI__ZGVdN4v_acos, __redirect__ZGVdN4v_acos) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S new file mode 100644 index 0000000..bf85bdb --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos4_core_avx2.S @@ -0,0 +1,285 @@ +/* Function acos vectorized with AVX2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + */ + +/* Offsets for data table __svml_dacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 32 +#define SmallNorm 64 +#define MOne 96 +#define Two 128 +#define sqrt_coeff 160 +#define poly_coeff 288 +#define PiH 672 +#define Pi2H 704 + +#include <sysdep.h> + + .text + .section .text.avx2,"ax",@progbits +ENTRY(_ZGVdN4v_acos_avx2) + pushq %rbp + cfi_def_cfa_offset(16) + movq %rsp, %rbp + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + andq $-32, %rsp + subq $96, %rsp + vmovupd __svml_dacos_data_internal(%rip), %ymm6 + vmovupd OneHalf+__svml_dacos_data_internal(%rip), %ymm7 + vmovapd %ymm0, %ymm5 + +/* x = -|arg| */ + vorpd %ymm5, %ymm6, %ymm4 + +/* Y = 0.5 + 0.5*(-x) */ + vfmadd231pd %ymm4, %ymm7, %ymm7 + +/* x^2 */ + vmulpd %ymm4, %ymm4, %ymm8 + +/* S ~ 2*sqrt(Y) */ + vmovupd sqrt_coeff+__svml_dacos_data_internal(%rip), %ymm0 + vcmplt_oqpd SmallNorm+__svml_dacos_data_internal(%rip), %ymm7, %ymm12 + vminpd %ymm7, %ymm8, %ymm2 + +/* NaN processed in special branch (so wind test passed) */ + vcmpnge_uqpd MOne+__svml_dacos_data_internal(%rip), %ymm4, %ymm9 + vcvtpd2ps %ymm7, %xmm10 + vmovupd poly_coeff+64+__svml_dacos_data_internal(%rip), %ymm8 + vcmpnlt_uqpd %ymm7, %ymm2, %ymm1 + vrsqrtps %xmm10, %xmm11 + vfmadd213pd poly_coeff+96+__svml_dacos_data_internal(%rip), %ymm2, %ymm8 + vcvtps2pd %xmm11, %ymm13 + vmovupd poly_coeff+128+__svml_dacos_data_internal(%rip), %ymm11 + vandnpd %ymm13, %ymm12, %ymm14 + vmulpd %ymm14, %ymm14, %ymm15 + vfmadd213pd poly_coeff+160+__svml_dacos_data_internal(%rip), %ymm2, %ymm11 + vmulpd %ymm2, %ymm2, %ymm13 + vmovupd poly_coeff+256+__svml_dacos_data_internal(%rip), %ymm12 + vmulpd %ymm13, %ymm13, %ymm10 + vfmadd213pd poly_coeff+288+__svml_dacos_data_internal(%rip), %ymm2, %ymm12 + vandpd %ymm5, %ymm6, %ymm3 + vaddpd %ymm7, %ymm7, %ymm6 + vmulpd %ymm6, %ymm14, %ymm7 + vfmsub213pd Two+__svml_dacos_data_internal(%rip), %ymm15, %ymm6 + vmovupd poly_coeff+320+__svml_dacos_data_internal(%rip), %ymm14 + vfmadd213pd sqrt_coeff+32+__svml_dacos_data_internal(%rip), %ymm6, %ymm0 + vmulpd %ymm6, %ymm7, %ymm15 + vfmadd213pd poly_coeff+352+__svml_dacos_data_internal(%rip), %ymm2, %ymm14 + vfmadd213pd sqrt_coeff+64+__svml_dacos_data_internal(%rip), %ymm6, %ymm0 + vfmadd213pd sqrt_coeff+96+__svml_dacos_data_internal(%rip), %ymm6, %ymm0 + +/* polynomial */ + vmovupd poly_coeff+__svml_dacos_data_internal(%rip), %ymm6 + vfnmadd213pd %ymm7, %ymm15, %ymm0 + vfmadd213pd poly_coeff+32+__svml_dacos_data_internal(%rip), %ymm2, %ymm6 + vblendvpd %ymm1, %ymm0, %ymm4, %ymm0 + vfmadd213pd %ymm8, %ymm13, %ymm6 + vmovmskpd %ymm9, %edx + vmovupd poly_coeff+192+__svml_dacos_data_internal(%rip), %ymm9 + vfmadd213pd poly_coeff+224+__svml_dacos_data_internal(%rip), %ymm2, %ymm9 + vfmadd213pd %ymm9, %ymm13, %ymm11 + vfmadd213pd %ymm11, %ymm10, %ymm6 + vfmadd213pd %ymm12, %ymm13, %ymm6 + vfmadd213pd %ymm14, %ymm13, %ymm6 + vmulpd %ymm6, %ymm2, %ymm9 + +/* X<X^2 iff X<0 */ + vcmplt_oqpd %ymm2, %ymm5, %ymm6 + vandpd PiH+__svml_dacos_data_internal(%rip), %ymm1, %ymm2 + vandnpd Pi2H+__svml_dacos_data_internal(%rip), %ymm1, %ymm7 + vxorpd %ymm3, %ymm0, %ymm1 + vfmadd213pd %ymm1, %ymm1, %ymm9 + vandpd %ymm6, %ymm2, %ymm2 + vaddpd %ymm7, %ymm2, %ymm8 + vaddpd %ymm9, %ymm8, %ymm0 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx r12 r13 r14 r15 edx ymm0 ymm5 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + movq %rbp, %rsp + popq %rbp + cfi_def_cfa(7, 8) + cfi_restore(6) + ret + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + vmovupd %ymm5, 32(%rsp) + vmovupd %ymm0, 64(%rsp) + # LOE rbx r12 r13 r14 r15 edx ymm0 + + xorl %eax, %eax + # LOE rbx r12 r13 r14 r15 eax edx + + vzeroupper + movq %r12, 16(%rsp) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22 + movl %eax, %r12d + movq %r13, 8(%rsp) + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22 + movl %edx, %r13d + movq %r14, (%rsp) + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $4, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + vmovupd 64(%rsp), %ymm0 + +/* Go to exit */ + jmp L(EXIT) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r12 r13 r14 r15 ymm0 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movsd 32(%rsp,%r14,8), %xmm0 + call acos@PLT + # LOE rbx r14 r15 r12d r13d xmm0 + + movsd %xmm0, 64(%rsp,%r14,8) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx r15 r12d r13d +END(_ZGVdN4v_acos_avx2) + + .section .rodata, "a" + .align 32 + +#ifdef __svml_dacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(32)) VUINT32 SgnBit[4][2]; + __declspec(align(32)) VUINT32 OneHalf[4][2]; + __declspec(align(32)) VUINT32 SmallNorm[4][2]; + __declspec(align(32)) VUINT32 MOne[4][2]; + __declspec(align(32)) VUINT32 Two[4][2]; + __declspec(align(32)) VUINT32 sqrt_coeff[4][4][2]; + __declspec(align(32)) VUINT32 poly_coeff[12][4][2]; + __declspec(align(32)) VUINT32 PiH[4][2]; + __declspec(align(32)) VUINT32 Pi2H[4][2]; +} __svml_dacos_data_internal; +#endif +__svml_dacos_data_internal: + /*== SgnBit ==*/ + .quad 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000 + /*== OneHalf ==*/ + .align 32 + .quad 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000 + /*== SmallNorm ==*/ + .align 32 + .quad 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000 + /*== MOne ==*/ + .align 32 + .quad 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000 + /*== Two ==*/ + .align 32 + .quad 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000 + /*== sqrt_coeff[4] ==*/ + .align 32 + .quad 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */ + .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */ + .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */ + .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */ + /*== poly_coeff[12] ==*/ + .align 32 + .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */ + .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */ + .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */ + .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */ + .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */ + .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */ + .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */ + .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */ + .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */ + .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */ + .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */ + .quad 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */ + /*== PiH ==*/ + .align 32 + .quad 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18 + /*== Pi2H ==*/ + .align 32 + .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18 + .align 32 + .type __svml_dacos_data_internal,@object + .size __svml_dacos_data_internal,.-__svml_dacos_data_internal diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S new file mode 100644 index 0000000..4d64fd1 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core-avx2.S @@ -0,0 +1,20 @@ +/* AVX2 version of vectorized acos, vector length is 8. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVeN8v_acos _ZGVeN8v_acos_avx2_wrapper +#include "../svml_d_acos8_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c new file mode 100644 index 0000000..1e7d186 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core.c @@ -0,0 +1,27 @@ +/* Multiple versions of vectorized acos, vector length is 8. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVeN8v_acos +#include "ifunc-mathvec-avx512-skx.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVeN8v_acos, __GI__ZGVeN8v_acos, __redirect__ZGVeN8v_acos) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S new file mode 100644 index 0000000..521ff73 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_d_acos8_core_avx512.S @@ -0,0 +1,307 @@ +/* Function acos vectorized with AVX-512. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + */ + +/* Offsets for data table __svml_dacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 64 +#define SmallNorm 128 +#define MOne 192 +#define Two 256 +#define sqrt_coeff_1 320 +#define sqrt_coeff_2 384 +#define sqrt_coeff_3 448 +#define sqrt_coeff_4 512 +#define poly_coeff_1 576 +#define poly_coeff_2 640 +#define poly_coeff_3 704 +#define poly_coeff_4 768 +#define poly_coeff_5 832 +#define poly_coeff_6 896 +#define poly_coeff_7 960 +#define poly_coeff_8 1024 +#define poly_coeff_9 1088 +#define poly_coeff_10 1152 +#define poly_coeff_11 1216 +#define poly_coeff_12 1280 +#define PiH 1344 +#define Pi2H 1408 + +#include <sysdep.h> + + .text + .section .text.evex512,"ax",@progbits +ENTRY(_ZGVeN8v_acos_skx) + pushq %rbp + cfi_def_cfa_offset(16) + movq %rsp, %rbp + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + andq $-64, %rsp + subq $192, %rsp + vmovups __svml_dacos_data_internal(%rip), %zmm7 + vmovups OneHalf+__svml_dacos_data_internal(%rip), %zmm8 + +/* S ~ 2*sqrt(Y) */ + vmovups SmallNorm+__svml_dacos_data_internal(%rip), %zmm11 + vmovups Two+__svml_dacos_data_internal(%rip), %zmm14 + vmovups sqrt_coeff_1+__svml_dacos_data_internal(%rip), %zmm15 + vmovups sqrt_coeff_2+__svml_dacos_data_internal(%rip), %zmm2 + vmovups sqrt_coeff_3+__svml_dacos_data_internal(%rip), %zmm1 + vmovups MOne+__svml_dacos_data_internal(%rip), %zmm10 + vmovaps %zmm0, %zmm6 + +/* x = -|arg| */ + vorpd %zmm6, %zmm7, %zmm5 + vandpd %zmm6, %zmm7, %zmm4 + +/* Y = 0.5 + 0.5*(-x) */ + vfmadd231pd {rn-sae}, %zmm5, %zmm8, %zmm8 + +/* x^2 */ + vmulpd {rn-sae}, %zmm5, %zmm5, %zmm9 + vrsqrt14pd %zmm8, %zmm12 + vcmppd $17, {sae}, %zmm11, %zmm8, %k1 + vcmppd $17, {sae}, %zmm10, %zmm5, %k0 + vmovups poly_coeff_5+__svml_dacos_data_internal(%rip), %zmm10 + vmovups poly_coeff_7+__svml_dacos_data_internal(%rip), %zmm11 + vminpd {sae}, %zmm8, %zmm9, %zmm3 + vmovups poly_coeff_3+__svml_dacos_data_internal(%rip), %zmm9 + vxorpd %zmm12, %zmm12, %zmm12{%k1} + vaddpd {rn-sae}, %zmm8, %zmm8, %zmm0 + vcmppd $21, {sae}, %zmm8, %zmm3, %k4 + +/* X<X^2 iff X<0 */ + vcmppd $17, {sae}, %zmm3, %zmm6, %k2 + vmulpd {rn-sae}, %zmm12, %zmm12, %zmm13 + vmulpd {rn-sae}, %zmm12, %zmm0, %zmm7 + vmovups poly_coeff_4+__svml_dacos_data_internal(%rip), %zmm12 + +/* polynomial */ + vmovups poly_coeff_1+__svml_dacos_data_internal(%rip), %zmm8 + vfmsub213pd {rn-sae}, %zmm14, %zmm13, %zmm0 + vmovups sqrt_coeff_4+__svml_dacos_data_internal(%rip), %zmm13 + vfmadd231pd {rn-sae}, %zmm3, %zmm9, %zmm12 + vmovups poly_coeff_11+__svml_dacos_data_internal(%rip), %zmm9 + vfmadd231pd {rn-sae}, %zmm0, %zmm15, %zmm2 + vmovups poly_coeff_9+__svml_dacos_data_internal(%rip), %zmm15 + vmulpd {rn-sae}, %zmm0, %zmm7, %zmm14 + vfmadd213pd {rn-sae}, %zmm1, %zmm0, %zmm2 + vmovups poly_coeff_2+__svml_dacos_data_internal(%rip), %zmm1 + kmovw %k0, %edx + vfmadd213pd {rn-sae}, %zmm13, %zmm0, %zmm2 + vfmadd231pd {rn-sae}, %zmm3, %zmm8, %zmm1 + vmovups poly_coeff_10+__svml_dacos_data_internal(%rip), %zmm8 + vmulpd {rn-sae}, %zmm3, %zmm3, %zmm0 + vfnmadd213pd {rn-sae}, %zmm7, %zmm14, %zmm2 + vmovups poly_coeff_6+__svml_dacos_data_internal(%rip), %zmm7 + vfmadd231pd {rn-sae}, %zmm3, %zmm15, %zmm8 + vfmadd213pd {rn-sae}, %zmm12, %zmm0, %zmm1 + vblendmpd %zmm2, %zmm5, %zmm2{%k4} + vfmadd231pd {rn-sae}, %zmm3, %zmm10, %zmm7 + vmovups poly_coeff_8+__svml_dacos_data_internal(%rip), %zmm10 + vfmadd231pd {rn-sae}, %zmm3, %zmm11, %zmm10 + vmovups poly_coeff_12+__svml_dacos_data_internal(%rip), %zmm11 + kandw %k4, %k2, %k3 + vfmadd213pd {rn-sae}, %zmm10, %zmm0, %zmm7 + vfmadd231pd {rn-sae}, %zmm3, %zmm9, %zmm11 + vmulpd {rn-sae}, %zmm0, %zmm0, %zmm10 + vfmadd213pd {rn-sae}, %zmm7, %zmm10, %zmm1 + vfmadd213pd {rn-sae}, %zmm8, %zmm0, %zmm1 + vfmadd213pd {rn-sae}, %zmm11, %zmm0, %zmm1 + vmovups Pi2H+__svml_dacos_data_internal(%rip), %zmm0 + vmulpd {rn-sae}, %zmm3, %zmm1, %zmm1 + vxorpd %zmm4, %zmm2, %zmm3 + vxorpd %zmm0, %zmm0, %zmm0{%k4} + vfmadd213pd {rn-sae}, %zmm3, %zmm3, %zmm1 + vorpd PiH+__svml_dacos_data_internal(%rip), %zmm0, %zmm0{%k3} + vaddpd {rn-sae}, %zmm1, %zmm0, %zmm0 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx r12 r13 r14 r15 edx zmm0 zmm6 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + movq %rbp, %rsp + popq %rbp + cfi_def_cfa(7, 8) + cfi_restore(6) + ret + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + vmovups %zmm6, 64(%rsp) + vmovups %zmm0, 128(%rsp) + # LOE rbx r12 r13 r14 r15 edx zmm0 + + xorl %eax, %eax + # LOE rbx r12 r13 r14 r15 eax edx + + vzeroupper + movq %r12, 16(%rsp) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22 + movl %eax, %r12d + movq %r13, 8(%rsp) + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22 + movl %edx, %r13d + movq %r14, (%rsp) + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $8, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + vmovups 128(%rsp), %zmm0 + +/* Go to exit */ + jmp L(EXIT) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r12 r13 r14 r15 zmm0 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movsd 64(%rsp,%r14,8), %xmm0 + call acos@PLT + # LOE rbx r14 r15 r12d r13d xmm0 + + movsd %xmm0, 128(%rsp,%r14,8) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx r15 r12d r13d +END(_ZGVeN8v_acos_skx) + + .section .rodata, "a" + .align 64 + +#ifdef __svml_dacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(64)) VUINT32 SgnBit[8][2]; + __declspec(align(64)) VUINT32 OneHalf[8][2]; + __declspec(align(64)) VUINT32 SmallNorm[8][2]; + __declspec(align(64)) VUINT32 MOne[8][2]; + __declspec(align(64)) VUINT32 Two[8][2]; + __declspec(align(64)) VUINT32 sqrt_coeff[4][8][2]; + __declspec(align(64)) VUINT32 poly_coeff[12][8][2]; + __declspec(align(64)) VUINT32 PiH[8][2]; + __declspec(align(64)) VUINT32 Pi2H[8][2]; +} __svml_dacos_data_internal; +#endif +__svml_dacos_data_internal: + /*== SgnBit ==*/ + .quad 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000, 0x8000000000000000 + /*== OneHalf ==*/ + .align 64 + .quad 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000, 0x3fe0000000000000 + /*== SmallNorm ==*/ + .align 64 + .quad 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000, 0x3000000000000000 + /*== MOne ==*/ + .align 64 + .quad 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000, 0xbff0000000000000 + /*== Two ==*/ + .align 64 + .quad 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000, 0x4000000000000000 + /*== sqrt_coeff[4] ==*/ + .align 64 + .quad 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3, 0xbf918000993B24C3 /* sqrt_coeff4 */ + .quad 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D, 0x3fa400006F70D42D /* sqrt_coeff3 */ + .quad 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97, 0xbfb7FFFFFFFFFE97 /* sqrt_coeff2 */ + .quad 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D, 0x3fcFFFFFFFFFFF9D /* sqrt_coeff1 */ + /*== poly_coeff[12] ==*/ + .align 64 + .quad 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909, 0x3fa07520C70EB909 /* poly_coeff12 */ + .quad 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED, 0xbf90FB17F7DBB0ED /* poly_coeff11 */ + .quad 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE, 0x3f943F44BFBC3BAE /* poly_coeff10 */ + .quad 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5, 0x3f7A583395D45ED5 /* poly_coeff9 */ + .quad 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6, 0x3f88F8DC2AFCCAD6 /* poly_coeff8 */ + .quad 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57, 0x3f8C6DBBCB88BD57 /* poly_coeff7 */ + .quad 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E, 0x3f91C6DCF538AD2E /* poly_coeff6 */ + .quad 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd, 0x3f96E89CEBDEFadd /* poly_coeff5 */ + .quad 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE, 0x3f9F1C72E13AD8BE /* poly_coeff4 */ + .quad 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8, 0x3fa6DB6DB3B445F8 /* poly_coeff3 */ + .quad 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE, 0x3fb333333337E0DE /* poly_coeff2 */ + .quad 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C, 0x3fc555555555529C /* poly_coeff1 */ + /*== PiH ==*/ + .align 64 + .quad 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18, 0x400921fb54442d18 + /*== Pi2H ==*/ + .align 64 + .quad 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18, 0x3ff921fb54442d18 + .align 64 + .type __svml_dacos_data_internal,@object + .size __svml_dacos_data_internal,.-__svml_dacos_data_internal diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S new file mode 100644 index 0000000..1ff0cfc --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core-avx2.S @@ -0,0 +1,20 @@ +/* AVX2 version of vectorized acosf. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVeN16v_acosf _ZGVeN16v_acosf_avx2_wrapper +#include "../svml_s_acosf16_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c new file mode 100644 index 0000000..fcf0578 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core.c @@ -0,0 +1,28 @@ +/* Multiple versions of vectorized acosf, vector length is 16. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVeN16v_acosf +#include "ifunc-mathvec-avx512-skx.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVeN16v_acosf, __GI__ZGVeN16v_acosf, + __redirect__ZGVeN16v_acosf) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S new file mode 100644 index 0000000..36f08c4 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf16_core_avx512.S @@ -0,0 +1,271 @@ +/* Function acosf vectorized with AVX-512. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + * + */ + +/* Offsets for data table __svml_sacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 64 +#define SmallNorm 128 +#define MOne 192 +#define Two 256 +#define sqrt_coeff_1 320 +#define sqrt_coeff_2 384 +#define poly_coeff_1 448 +#define poly_coeff_2 512 +#define poly_coeff_3 576 +#define poly_coeff_4 640 +#define poly_coeff_5 704 +#define Pi2H 768 +#define PiH 832 + +#include <sysdep.h> + + .text + .section .text.exex512,"ax",@progbits +ENTRY(_ZGVeN16v_acosf_skx) + pushq %rbp + cfi_def_cfa_offset(16) + movq %rsp, %rbp + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + andq $-64, %rsp + subq $192, %rsp + vmovups __svml_sacos_data_internal(%rip), %zmm5 + vmovups OneHalf+__svml_sacos_data_internal(%rip), %zmm6 + +/* SQ ~ 2*sqrt(Y) */ + vmovups SmallNorm+__svml_sacos_data_internal(%rip), %zmm9 + vmovups MOne+__svml_sacos_data_internal(%rip), %zmm8 + vmovups Two+__svml_sacos_data_internal(%rip), %zmm12 + vmovups sqrt_coeff_1+__svml_sacos_data_internal(%rip), %zmm13 + vmovaps %zmm0, %zmm4 + +/* x = -|arg| */ + vorps %zmm4, %zmm5, %zmm3 + vandps %zmm4, %zmm5, %zmm2 + vmovups sqrt_coeff_2+__svml_sacos_data_internal(%rip), %zmm0 + +/* Y = 0.5 + 0.5*(-x) */ + vfmadd231ps {rn-sae}, %zmm3, %zmm6, %zmm6 + +/* x^2 */ + vmulps {rn-sae}, %zmm3, %zmm3, %zmm7 + vrsqrt14ps %zmm6, %zmm10 + vcmpps $17, {sae}, %zmm9, %zmm6, %k1 + vcmpps $22, {sae}, %zmm3, %zmm8, %k0 + vmovups poly_coeff_4+__svml_sacos_data_internal(%rip), %zmm9 + vminps {sae}, %zmm6, %zmm7, %zmm1 + vmovups poly_coeff_3+__svml_sacos_data_internal(%rip), %zmm7 + vxorps %zmm10, %zmm10, %zmm10{%k1} + vaddps {rn-sae}, %zmm6, %zmm6, %zmm14 + vmulps {rn-sae}, %zmm1, %zmm1, %zmm8 + vmulps {rn-sae}, %zmm10, %zmm10, %zmm11 + vmulps {rn-sae}, %zmm10, %zmm14, %zmm5 + vcmpps $21, {sae}, %zmm6, %zmm1, %k4 + +/* X<X^2 iff X<0 */ + vcmpps $17, {sae}, %zmm1, %zmm4, %k2 + +/* polynomial */ + vmovups poly_coeff_1+__svml_sacos_data_internal(%rip), %zmm6 + vfmsub213ps {rn-sae}, %zmm12, %zmm11, %zmm14 + vmovups poly_coeff_2+__svml_sacos_data_internal(%rip), %zmm11 + vfmadd231ps {rn-sae}, %zmm1, %zmm7, %zmm9 + vmovups poly_coeff_5+__svml_sacos_data_internal(%rip), %zmm10 + vmovups Pi2H+__svml_sacos_data_internal(%rip), %zmm12 + vfmadd231ps {rn-sae}, %zmm14, %zmm13, %zmm0 + vfmadd231ps {rn-sae}, %zmm1, %zmm6, %zmm11 + vmulps {rn-sae}, %zmm14, %zmm5, %zmm15 + vfmadd213ps {rn-sae}, %zmm9, %zmm8, %zmm11 + vxorps %zmm12, %zmm12, %zmm12{%k4} + vfnmadd213ps {rn-sae}, %zmm5, %zmm15, %zmm0 + vfmadd213ps {rn-sae}, %zmm10, %zmm1, %zmm11 + kmovw %k0, %edx + vmulps {rn-sae}, %zmm1, %zmm11, %zmm13 + vblendmps %zmm0, %zmm3, %zmm0{%k4} + vxorps %zmm2, %zmm0, %zmm1 + kandw %k4, %k2, %k3 + vfmadd213ps {rn-sae}, %zmm1, %zmm1, %zmm13 + vorps PiH+__svml_sacos_data_internal(%rip), %zmm12, %zmm12{%k3} + vaddps {rn-sae}, %zmm13, %zmm12, %zmm0 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx r12 r13 r14 r15 edx zmm0 zmm4 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + movq %rbp, %rsp + popq %rbp + cfi_def_cfa(7, 8) + cfi_restore(6) + ret + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + vmovups %zmm4, 64(%rsp) + vmovups %zmm0, 128(%rsp) + # LOE rbx r12 r13 r14 r15 edx zmm0 + + xorl %eax, %eax + # LOE rbx r12 r13 r14 r15 eax edx + + vzeroupper + movq %r12, 16(%rsp) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22 + movl %eax, %r12d + movq %r13, 8(%rsp) + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22 + movl %edx, %r13d + movq %r14, (%rsp) + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $16, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + vmovups 128(%rsp), %zmm0 + +/* Go to exit */ + jmp L(EXIT) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -176; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x50, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -184; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x48, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -64; DW_OP_and; DW_OP_const4s: -192; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xc0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0x40, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r12 r13 r14 r15 zmm0 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movss 64(%rsp,%r14,4), %xmm0 + call acosf@PLT + # LOE rbx r14 r15 r12d r13d xmm0 + + movss %xmm0, 128(%rsp,%r14,4) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx r15 r12d r13d +END(_ZGVeN16v_acosf_skx) + + .section .rodata, "a" + .align 64 + +#ifdef __svml_sacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(64)) VUINT32 SgnBit[16][1]; + __declspec(align(64)) VUINT32 OneHalf[16][1]; + __declspec(align(64)) VUINT32 SmallNorm[16][1]; + __declspec(align(64)) VUINT32 MOne[16][1]; + __declspec(align(64)) VUINT32 Two[16][1]; + __declspec(align(64)) VUINT32 sqrt_coeff[2][16][1]; + __declspec(align(64)) VUINT32 poly_coeff[5][16][1]; + __declspec(align(64)) VUINT32 Pi2H[16][1]; + __declspec(align(64)) VUINT32 PiH[16][1]; +} __svml_sacos_data_internal; +#endif +__svml_sacos_data_internal: + /*== SgnBit ==*/ + .long 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000 + /*== OneHalf ==*/ + .align 64 + .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000 + /*== SmallNorm ==*/ + .align 64 + .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000 + /*== MOne ==*/ + .align 64 + .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000 + /*== Two ==*/ + .align 64 + .long 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000 + /*== sqrt_coeff[2] ==*/ + .align 64 + .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */ + .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */ + /*== poly_coeff[5] ==*/ + .align 64 + .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */ + .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */ + .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */ + .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */ + .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */ + /*== Pi2H ==*/ + .align 64 + .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB + /*== PiH ==*/ + .align 64 + .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB + .align 64 + .type __svml_sacos_data_internal,@object + .size __svml_sacos_data_internal,.-__svml_sacos_data_internal diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S new file mode 100644 index 0000000..f94b3eb --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core-sse2.S @@ -0,0 +1,20 @@ +/* SSE2 version of vectorized acosf, vector length is 4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVbN4v_acosf _ZGVbN4v_acosf_sse2 +#include "../svml_s_acosf4_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c new file mode 100644 index 0000000..6f9a5c1 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core.c @@ -0,0 +1,28 @@ +/* Multiple versions of vectorized acosf, vector length is 4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVbN4v_acosf +#include "ifunc-mathvec-sse4_1.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVbN4v_acosf, __GI__ZGVbN4v_acosf, + __redirect__ZGVbN4v_acosf) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S new file mode 100644 index 0000000..3b7c25a --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf4_core_sse4.S @@ -0,0 +1,270 @@ +/* Function acosf vectorized with SSE4. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + * + */ + +/* Offsets for data table __svml_sacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 16 +#define SmallNorm 32 +#define MOne 48 +#define Two 64 +#define sqrt_coeff 80 +#define poly_coeff 112 +#define Pi2H 192 +#define PiH 208 + +#include <sysdep.h> + + .text + .section .text.sse4,"ax",@progbits +ENTRY(_ZGVbN4v_acosf_sse4) + subq $72, %rsp + cfi_def_cfa_offset(80) + +/* X<X^2 iff X<0 */ + movaps %xmm0, %xmm14 + +/* + * 2*sqrt(X) ~ Sh - Sl (to 24+ bits) + * SQ ~ 2*sqrt(X) + */ + movups __svml_sacos_data_internal(%rip), %xmm3 + movups OneHalf+__svml_sacos_data_internal(%rip), %xmm5 + +/* x = -|arg| */ + movaps %xmm3, %xmm4 + orps %xmm0, %xmm4 + +/* Y = 0.5 + 0.5*(-x) */ + movaps %xmm5, %xmm6 + mulps %xmm4, %xmm6 + +/* x^2 */ + movaps %xmm4, %xmm13 + mulps %xmm4, %xmm13 + addps %xmm6, %xmm5 + +/* SQ ~ 2*sqrt(Y) */ + rsqrtps %xmm5, %xmm8 + minps %xmm5, %xmm13 + movaps %xmm5, %xmm2 + movaps %xmm13, %xmm1 + cmpltps SmallNorm+__svml_sacos_data_internal(%rip), %xmm2 + cmpnltps %xmm5, %xmm1 + cmpltps %xmm13, %xmm14 + addps %xmm5, %xmm5 + andnps %xmm8, %xmm2 + movaps %xmm13, %xmm11 + movaps %xmm2, %xmm9 + movaps %xmm1, %xmm6 + mulps %xmm2, %xmm9 + andnps %xmm4, %xmm6 + mulps %xmm5, %xmm2 + mulps %xmm13, %xmm11 + mulps %xmm9, %xmm5 + movups sqrt_coeff+__svml_sacos_data_internal(%rip), %xmm10 + andps %xmm0, %xmm3 + +/* polynomial */ + movups poly_coeff+__svml_sacos_data_internal(%rip), %xmm12 + movaps %xmm1, %xmm15 + mulps %xmm13, %xmm12 + subps Two+__svml_sacos_data_internal(%rip), %xmm5 + mulps %xmm5, %xmm10 + addps poly_coeff+16+__svml_sacos_data_internal(%rip), %xmm12 + mulps %xmm2, %xmm5 + mulps %xmm11, %xmm12 + addps sqrt_coeff+16+__svml_sacos_data_internal(%rip), %xmm10 + mulps %xmm5, %xmm10 + movups poly_coeff+32+__svml_sacos_data_internal(%rip), %xmm5 + subps %xmm10, %xmm2 + mulps %xmm13, %xmm5 + movups MOne+__svml_sacos_data_internal(%rip), %xmm7 + andps %xmm1, %xmm2 + cmpnleps %xmm4, %xmm7 + addps poly_coeff+48+__svml_sacos_data_internal(%rip), %xmm5 + movmskps %xmm7, %edx + orps %xmm2, %xmm6 + addps %xmm12, %xmm5 + mulps %xmm13, %xmm5 + pxor %xmm3, %xmm6 + movups PiH+__svml_sacos_data_internal(%rip), %xmm7 + andps %xmm1, %xmm7 + addps poly_coeff+64+__svml_sacos_data_internal(%rip), %xmm5 + mulps %xmm13, %xmm5 + andps %xmm14, %xmm7 + mulps %xmm6, %xmm5 + andnps Pi2H+__svml_sacos_data_internal(%rip), %xmm15 + addps %xmm5, %xmm6 + addps %xmm15, %xmm7 + addps %xmm6, %xmm7 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx rbp r12 r13 r14 r15 edx xmm0 xmm7 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + movaps %xmm7, %xmm0 + addq $72, %rsp + cfi_def_cfa_offset(8) + ret + cfi_def_cfa_offset(80) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + movups %xmm0, 32(%rsp) + movups %xmm7, 48(%rsp) + # LOE rbx rbp r12 r13 r14 r15 edx + + xorl %eax, %eax + movq %r12, 16(%rsp) + cfi_offset(12, -64) + movl %eax, %r12d + movq %r13, 8(%rsp) + cfi_offset(13, -72) + movl %edx, %r13d + movq %r14, (%rsp) + cfi_offset(14, -80) + # LOE rbx rbp r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx rbp r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $4, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx rbp r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + movups 48(%rsp), %xmm7 + +/* Go to exit */ + jmp L(EXIT) + cfi_offset(12, -64) + cfi_offset(13, -72) + cfi_offset(14, -80) + # LOE rbx rbp r12 r13 r14 r15 xmm7 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movss 32(%rsp,%r14,4), %xmm0 + call acosf@PLT + # LOE rbx rbp r14 r15 r12d r13d xmm0 + + movss %xmm0, 48(%rsp,%r14,4) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx rbp r15 r12d r13d +END(_ZGVbN4v_acosf_sse4) + + .section .rodata, "a" + .align 16 + +#ifdef __svml_sacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(16)) VUINT32 SgnBit[4][1]; + __declspec(align(16)) VUINT32 OneHalf[4][1]; + __declspec(align(16)) VUINT32 SmallNorm[4][1]; + __declspec(align(16)) VUINT32 MOne[4][1]; + __declspec(align(16)) VUINT32 Two[4][1]; + __declspec(align(16)) VUINT32 sqrt_coeff[2][4][1]; + __declspec(align(16)) VUINT32 poly_coeff[5][4][1]; + __declspec(align(16)) VUINT32 Pi2H[4][1]; + __declspec(align(16)) VUINT32 PiH[4][1]; +} __svml_sacos_data_internal; +#endif +__svml_sacos_data_internal: + /*== SgnBit ==*/ + .long 0x80000000, 0x80000000, 0x80000000, 0x80000000 + /*== OneHalf ==*/ + .align 16 + .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000 + /*== SmallNorm ==*/ + .align 16 + .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000 + /*== MOne ==*/ + .align 16 + .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000 + /*== Two ==*/ + .align 16 + .long 0x40000000, 0x40000000, 0x40000000, 0x40000000 + /*== sqrt_coeff[2] ==*/ + .align 16 + .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */ + .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */ + /*== poly_coeff[5] ==*/ + .align 16 + .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */ + .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */ + .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */ + .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */ + .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */ + /*== Pi2H ==*/ + .align 16 + .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB + /*== PiH ==*/ + .align 16 + .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB + .align 16 + .type __svml_sacos_data_internal,@object + .size __svml_sacos_data_internal,.-__svml_sacos_data_internal diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S new file mode 100644 index 0000000..583ef54 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core-sse.S @@ -0,0 +1,20 @@ +/* SSE version of vectorized acosf, vector length is 8. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define _ZGVdN8v_acosf _ZGVdN8v_acosf_sse_wrapper +#include "../svml_s_acosf8_core.S" diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c new file mode 100644 index 0000000..dd360a9 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core.c @@ -0,0 +1,28 @@ +/* Multiple versions of vectorized acosf, vector length is 8. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#define SYMBOL_NAME _ZGVdN8v_acosf +#include "ifunc-mathvec-avx2.h" + +libc_ifunc_redirected (REDIRECT_NAME, SYMBOL_NAME, IFUNC_SELECTOR ()); + +#ifdef SHARED +__hidden_ver1 (_ZGVdN8v_acosf, __GI__ZGVdN8v_acosf, + __redirect__ZGVdN8v_acosf) + __attribute__ ((visibility ("hidden"))); +#endif diff --git a/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S new file mode 100644 index 0000000..bc783e5 --- /dev/null +++ b/sysdeps/x86_64/fpu/multiarch/svml_s_acosf8_core_avx2.S @@ -0,0 +1,264 @@ +/* Function acosf vectorized with AVX2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + https://www.gnu.org/licenses/. */ + +/* + * ALGORITHM DESCRIPTION: + * + * SelMask = (|x| >= 0.5) ? 1 : 0; + * R = SelMask ? sqrt(0.5 - 0.5*|x|) : |x| + * acos(|x|) = SelMask ? 2*Poly(R) : (Pi/2 - Poly(R)) + * acos(x) = sign(x) ? (Pi - acos(|x|)) : acos(|x|) + * + * + */ + +/* Offsets for data table __svml_sacos_data_internal + */ +#define SgnBit 0 +#define OneHalf 32 +#define SmallNorm 64 +#define MOne 96 +#define Two 128 +#define sqrt_coeff 160 +#define poly_coeff 224 +#define Pi2H 384 +#define PiH 416 + +#include <sysdep.h> + + .text + .section .text.avx2,"ax",@progbits +ENTRY(_ZGVdN8v_acosf_avx2) + pushq %rbp + cfi_def_cfa_offset(16) + movq %rsp, %rbp + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + andq $-32, %rsp + subq $96, %rsp + +/* + * 2*sqrt(X) ~ Sh - Sl (to 24+ bits) + * SQ ~ 2*sqrt(X) + */ + vmovups __svml_sacos_data_internal(%rip), %ymm6 + vmovups OneHalf+__svml_sacos_data_internal(%rip), %ymm7 + vmovaps %ymm0, %ymm5 + +/* x = -|arg| */ + vorps %ymm5, %ymm6, %ymm4 + +/* Y = 0.5 + 0.5*(-x) */ + vfmadd231ps %ymm4, %ymm7, %ymm7 + +/* x^2 */ + vmulps %ymm4, %ymm4, %ymm8 + +/* SQ ~ 2*sqrt(Y) */ + vmovups sqrt_coeff+__svml_sacos_data_internal(%rip), %ymm0 + vcmpnge_uqps MOne+__svml_sacos_data_internal(%rip), %ymm4, %ymm9 + vcmplt_oqps SmallNorm+__svml_sacos_data_internal(%rip), %ymm7, %ymm10 + vminps %ymm7, %ymm8, %ymm2 + vaddps %ymm7, %ymm7, %ymm14 + vrsqrtps %ymm7, %ymm11 + vmovups poly_coeff+64+__svml_sacos_data_internal(%rip), %ymm8 + vcmpnlt_uqps %ymm7, %ymm2, %ymm1 + vmulps %ymm2, %ymm2, %ymm7 + vfmadd213ps poly_coeff+96+__svml_sacos_data_internal(%rip), %ymm2, %ymm8 + vmovmskps %ymm9, %edx + +/* polynomial */ + vmovups poly_coeff+__svml_sacos_data_internal(%rip), %ymm9 + vandnps %ymm11, %ymm10, %ymm12 + vmulps %ymm12, %ymm12, %ymm13 + vfmadd213ps poly_coeff+32+__svml_sacos_data_internal(%rip), %ymm2, %ymm9 + +/* X<X^2 iff X<0 */ + vcmplt_oqps %ymm2, %ymm5, %ymm10 + vfmadd213ps %ymm8, %ymm7, %ymm9 + vandps %ymm5, %ymm6, %ymm3 + vmulps %ymm14, %ymm12, %ymm6 + vfmsub213ps Two+__svml_sacos_data_internal(%rip), %ymm13, %ymm14 + vfmadd213ps poly_coeff+128+__svml_sacos_data_internal(%rip), %ymm2, %ymm9 + vfmadd213ps sqrt_coeff+32+__svml_sacos_data_internal(%rip), %ymm14, %ymm0 + vmulps %ymm14, %ymm6, %ymm15 + vmulps %ymm9, %ymm2, %ymm14 + vfnmadd213ps %ymm6, %ymm15, %ymm0 + vblendvps %ymm1, %ymm0, %ymm4, %ymm0 + vandps PiH+__svml_sacos_data_internal(%rip), %ymm1, %ymm2 + vandnps Pi2H+__svml_sacos_data_internal(%rip), %ymm1, %ymm12 + vxorps %ymm3, %ymm0, %ymm1 + vfmadd213ps %ymm1, %ymm1, %ymm14 + vandps %ymm10, %ymm2, %ymm11 + vaddps %ymm12, %ymm11, %ymm13 + vaddps %ymm14, %ymm13, %ymm0 + testl %edx, %edx + +/* Go to special inputs processing branch */ + jne L(SPECIAL_VALUES_BRANCH) + # LOE rbx r12 r13 r14 r15 edx ymm0 ymm5 + +/* Restore registers + * and exit the function + */ + +L(EXIT): + movq %rbp, %rsp + popq %rbp + cfi_def_cfa(7, 8) + cfi_restore(6) + ret + cfi_def_cfa(6, 16) + cfi_offset(6, -16) + +/* Branch to process + * special inputs + */ + +L(SPECIAL_VALUES_BRANCH): + vmovups %ymm5, 32(%rsp) + vmovups %ymm0, 64(%rsp) + # LOE rbx r12 r13 r14 r15 edx ymm0 + + xorl %eax, %eax + # LOE rbx r12 r13 r14 r15 eax edx + + vzeroupper + movq %r12, 16(%rsp) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22 + movl %eax, %r12d + movq %r13, 8(%rsp) + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22 + movl %edx, %r13d + movq %r14, (%rsp) + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r15 r12d r13d + +/* Range mask + * bits check + */ + +L(RANGEMASK_CHECK): + btl %r12d, %r13d + +/* Call scalar math function */ + jc L(SCALAR_MATH_CALL) + # LOE rbx r15 r12d r13d + +/* Special inputs + * processing loop + */ + +L(SPECIAL_VALUES_LOOP): + incl %r12d + cmpl $8, %r12d + +/* Check bits in range mask */ + jl L(RANGEMASK_CHECK) + # LOE rbx r15 r12d r13d + + movq 16(%rsp), %r12 + cfi_restore(12) + movq 8(%rsp), %r13 + cfi_restore(13) + movq (%rsp), %r14 + cfi_restore(14) + vmovups 64(%rsp), %ymm0 + +/* Go to exit */ + jmp L(EXIT) + /* DW_CFA_expression: r12 (r12) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -80; DW_OP_plus) */ + .cfi_escape 0x10, 0x0c, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xb0, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r13 (r13) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -88; DW_OP_plus) */ + .cfi_escape 0x10, 0x0d, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa8, 0xff, 0xff, 0xff, 0x22 + /* DW_CFA_expression: r14 (r14) (DW_OP_lit8; DW_OP_minus; DW_OP_const4s: -32; DW_OP_and; DW_OP_const4s: -96; DW_OP_plus) */ + .cfi_escape 0x10, 0x0e, 0x0e, 0x38, 0x1c, 0x0d, 0xe0, 0xff, 0xff, 0xff, 0x1a, 0x0d, 0xa0, 0xff, 0xff, 0xff, 0x22 + # LOE rbx r12 r13 r14 r15 ymm0 + +/* Scalar math fucntion call + * to process special input + */ + +L(SCALAR_MATH_CALL): + movl %r12d, %r14d + movss 32(%rsp,%r14,4), %xmm0 + call acosf@PLT + # LOE rbx r14 r15 r12d r13d xmm0 + + movss %xmm0, 64(%rsp,%r14,4) + +/* Process special inputs in loop */ + jmp L(SPECIAL_VALUES_LOOP) + # LOE rbx r15 r12d r13d +END(_ZGVdN8v_acosf_avx2) + + .section .rodata, "a" + .align 32 + +#ifdef __svml_sacos_data_internal_typedef +typedef unsigned int VUINT32; +typedef struct { + __declspec(align(32)) VUINT32 SgnBit[8][1]; + __declspec(align(32)) VUINT32 OneHalf[8][1]; + __declspec(align(32)) VUINT32 SmallNorm[8][1]; + __declspec(align(32)) VUINT32 MOne[8][1]; + __declspec(align(32)) VUINT32 Two[8][1]; + __declspec(align(32)) VUINT32 sqrt_coeff[2][8][1]; + __declspec(align(32)) VUINT32 poly_coeff[5][8][1]; + __declspec(align(32)) VUINT32 Pi2H[8][1]; + __declspec(align(32)) VUINT32 PiH[8][1]; +} __svml_sacos_data_internal; +#endif +__svml_sacos_data_internal: + /*== SgnBit ==*/ + .long 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000 + /*== OneHalf ==*/ + .align 32 + .long 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000, 0x3f000000 + /*== SmallNorm ==*/ + .align 32 + .long 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000, 0x2f800000 + /*== MOne ==*/ + .align 32 + .long 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000 + /*== Two ==*/ + .align 32 + .long 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000, 0x40000000 + /*== sqrt_coeff[2] ==*/ + .align 32 + .long 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004, 0xbdC00004 /* sqrt_coeff2 */ + .long 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001, 0x3e800001 /* sqrt_coeff1 */ + /*== poly_coeff[5] ==*/ + .align 32 + .long 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07, 0x3d2EDC07 /* poly_coeff5 */ + .long 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B, 0x3CC32A6B /* poly_coeff4 */ + .long 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4, 0x3d3A9AB4 /* poly_coeff3 */ + .long 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12, 0x3d997C12 /* poly_coeff2 */ + .long 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF, 0x3e2AAAFF /* poly_coeff1 */ + /*== Pi2H ==*/ + .align 32 + .long 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB, 0x3fc90FDB + /*== PiH ==*/ + .align 32 + .long 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB, 0x40490FDB + .align 32 + .type __svml_sacos_data_internal,@object + .size __svml_sacos_data_internal,.-__svml_sacos_data_internal diff --git a/sysdeps/x86_64/fpu/svml_d_acos2_core.S b/sysdeps/x86_64/fpu/svml_d_acos2_core.S new file mode 100644 index 0000000..9656478 --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_d_acos2_core.S @@ -0,0 +1,29 @@ +/* Function acos vectorized with SSE2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_d_wrapper_impl.h" + + .text +ENTRY (_ZGVbN2v_acos) +WRAPPER_IMPL_SSE2 acos +END (_ZGVbN2v_acos) + +#ifndef USE_MULTIARCH + libmvec_hidden_def (_ZGVbN2v_acos) +#endif diff --git a/sysdeps/x86_64/fpu/svml_d_acos4_core.S b/sysdeps/x86_64/fpu/svml_d_acos4_core.S new file mode 100644 index 0000000..e99cb4a --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_d_acos4_core.S @@ -0,0 +1,29 @@ +/* Function acos vectorized with AVX2, wrapper version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_d_wrapper_impl.h" + + .text +ENTRY (_ZGVdN4v_acos) +WRAPPER_IMPL_AVX _ZGVbN2v_acos +END (_ZGVdN4v_acos) + +#ifndef USE_MULTIARCH + libmvec_hidden_def (_ZGVdN4v_acos) +#endif diff --git a/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S b/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S new file mode 100644 index 0000000..7cbcbc9 --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_d_acos4_core_avx.S @@ -0,0 +1,25 @@ +/* Function acos vectorized in AVX ISA as wrapper to SSE4 ISA version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_d_wrapper_impl.h" + + .text +ENTRY (_ZGVcN4v_acos) +WRAPPER_IMPL_AVX _ZGVbN2v_acos +END (_ZGVcN4v_acos) diff --git a/sysdeps/x86_64/fpu/svml_d_acos8_core.S b/sysdeps/x86_64/fpu/svml_d_acos8_core.S new file mode 100644 index 0000000..e26b30d --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_d_acos8_core.S @@ -0,0 +1,25 @@ +/* Function acos vectorized with AVX-512, wrapper to AVX2. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_d_wrapper_impl.h" + + .text +ENTRY (_ZGVeN8v_acos) +WRAPPER_IMPL_AVX512 _ZGVdN4v_acos +END (_ZGVeN8v_acos) diff --git a/sysdeps/x86_64/fpu/svml_s_acosf16_core.S b/sysdeps/x86_64/fpu/svml_s_acosf16_core.S new file mode 100644 index 0000000..70e046d --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_s_acosf16_core.S @@ -0,0 +1,25 @@ +/* Function acosf vectorized with AVX-512. Wrapper to AVX2 version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_s_wrapper_impl.h" + + .text +ENTRY (_ZGVeN16v_acosf) +WRAPPER_IMPL_AVX512 _ZGVdN8v_acosf +END (_ZGVeN16v_acosf) diff --git a/sysdeps/x86_64/fpu/svml_s_acosf4_core.S b/sysdeps/x86_64/fpu/svml_s_acosf4_core.S new file mode 100644 index 0000000..36354b3 --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_s_acosf4_core.S @@ -0,0 +1,29 @@ +/* Function acosf vectorized with SSE2, wrapper version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_s_wrapper_impl.h" + + .text +ENTRY (_ZGVbN4v_acosf) +WRAPPER_IMPL_SSE2 acosf +END (_ZGVbN4v_acosf) + +#ifndef USE_MULTIARCH + libmvec_hidden_def (_ZGVbN4v_acosf) +#endif diff --git a/sysdeps/x86_64/fpu/svml_s_acosf8_core.S b/sysdeps/x86_64/fpu/svml_s_acosf8_core.S new file mode 100644 index 0000000..f08864a --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_s_acosf8_core.S @@ -0,0 +1,29 @@ +/* Function acosf vectorized with AVX2, wrapper version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_s_wrapper_impl.h" + + .text +ENTRY (_ZGVdN8v_acosf) +WRAPPER_IMPL_AVX _ZGVbN4v_acosf +END (_ZGVdN8v_acosf) + +#ifndef USE_MULTIARCH + libmvec_hidden_def (_ZGVdN8v_acosf) +#endif diff --git a/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S b/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S new file mode 100644 index 0000000..f3ed4d8 --- /dev/null +++ b/sysdeps/x86_64/fpu/svml_s_acosf8_core_avx.S @@ -0,0 +1,25 @@ +/* Function acosf vectorized in AVX ISA as wrapper to SSE4 ISA version. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <sysdep.h> +#include "svml_s_wrapper_impl.h" + + .text +ENTRY (_ZGVcN8v_acosf) +WRAPPER_IMPL_AVX _ZGVbN4v_acosf +END (_ZGVcN8v_acosf) diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c new file mode 100644 index 0000000..4f74b42 --- /dev/null +++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx.c @@ -0,0 +1 @@ +#include "test-double-libmvec-acos.c" diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c new file mode 100644 index 0000000..4f74b42 --- /dev/null +++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx2.c @@ -0,0 +1 @@ +#include "test-double-libmvec-acos.c" diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c new file mode 100644 index 0000000..4f74b42 --- /dev/null +++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos-avx512f.c @@ -0,0 +1 @@ +#include "test-double-libmvec-acos.c" diff --git a/sysdeps/x86_64/fpu/test-double-libmvec-acos.c b/sysdeps/x86_64/fpu/test-double-libmvec-acos.c new file mode 100644 index 0000000..e38b8ce --- /dev/null +++ b/sysdeps/x86_64/fpu/test-double-libmvec-acos.c @@ -0,0 +1,3 @@ +#define LIBMVEC_TYPE double +#define LIBMVEC_FUNC acos +#include "test-vector-abi-arg1.h" diff --git a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c index ed932fc..0abc7d2 100644 --- a/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c +++ b/sysdeps/x86_64/fpu/test-double-vlen2-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVbN2v_sin) VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVbN2v_log) VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVbN2v_exp) VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVbN2vv_pow) +VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVbN2v_acos) #define VEC_INT_TYPE __m128i diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c index 3a6e370..dda093b 100644 --- a/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c +++ b/sysdeps/x86_64/fpu/test-double-vlen4-avx2-wrappers.c @@ -30,6 +30,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVdN4v_sin) VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVdN4v_log) VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVdN4v_exp) VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVdN4vv_pow) +VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVdN4v_acos) #ifndef __ILP32__ # define VEC_INT_TYPE __m256i diff --git a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c index 99db4e7..f323046 100644 --- a/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c +++ b/sysdeps/x86_64/fpu/test-double-vlen4-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVcN4v_sin) VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVcN4v_log) VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVcN4v_exp) VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVcN4vv_pow) +VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVcN4v_acos) #define VEC_INT_TYPE __m128i diff --git a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c index 251d429..cf9f52f 100644 --- a/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c +++ b/sysdeps/x86_64/fpu/test-double-vlen8-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sin), _ZGVeN8v_sin) VECTOR_WRAPPER (WRAPPER_NAME (log), _ZGVeN8v_log) VECTOR_WRAPPER (WRAPPER_NAME (exp), _ZGVeN8v_exp) VECTOR_WRAPPER_ff (WRAPPER_NAME (pow), _ZGVeN8vv_pow) +VECTOR_WRAPPER (WRAPPER_NAME (acos), _ZGVeN8v_acos) #ifndef __ILP32__ # define VEC_INT_TYPE __m512i diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c new file mode 100644 index 0000000..1e6474d --- /dev/null +++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx.c @@ -0,0 +1 @@ +#include "test-float-libmvec-acosf.c" diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c new file mode 100644 index 0000000..1e6474d --- /dev/null +++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx2.c @@ -0,0 +1 @@ +#include "test-float-libmvec-acosf.c" diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c new file mode 100644 index 0000000..1e6474d --- /dev/null +++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf-avx512f.c @@ -0,0 +1 @@ +#include "test-float-libmvec-acosf.c" diff --git a/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c b/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c new file mode 100644 index 0000000..fb47f97 --- /dev/null +++ b/sysdeps/x86_64/fpu/test-float-libmvec-acosf.c @@ -0,0 +1,3 @@ +#define LIBMVEC_TYPE float +#define LIBMVEC_FUNC acosf +#include "test-vector-abi-arg1.h" diff --git a/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c index c1d14cd..abbd3ed 100644 --- a/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c +++ b/sysdeps/x86_64/fpu/test-float-vlen16-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVeN16v_sinf) VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVeN16v_logf) VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVeN16v_expf) VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVeN16vv_powf) +VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVeN16v_acosf) #define VEC_INT_TYPE __m512i diff --git a/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c index d23c372..8a24027 100644 --- a/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c +++ b/sysdeps/x86_64/fpu/test-float-vlen4-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVbN4v_sinf) VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVbN4v_logf) VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVbN4v_expf) VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVbN4vv_powf) +VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVbN4v_acosf) #define VEC_INT_TYPE __m128i diff --git a/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c index 3152cff..aff0442 100644 --- a/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c +++ b/sysdeps/x86_64/fpu/test-float-vlen8-avx2-wrappers.c @@ -30,6 +30,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVdN8v_sinf) VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVdN8v_logf) VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVdN8v_expf) VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVdN8vv_powf) +VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVdN8v_acosf) /* Redefinition of wrapper to be compatible with _ZGVdN8vvv_sincosf. */ #undef VECTOR_WRAPPER_fFF diff --git a/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c b/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c index a8492ab..913584d 100644 --- a/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c +++ b/sysdeps/x86_64/fpu/test-float-vlen8-wrappers.c @@ -27,6 +27,7 @@ VECTOR_WRAPPER (WRAPPER_NAME (sinf), _ZGVcN8v_sinf) VECTOR_WRAPPER (WRAPPER_NAME (logf), _ZGVcN8v_logf) VECTOR_WRAPPER (WRAPPER_NAME (expf), _ZGVcN8v_expf) VECTOR_WRAPPER_ff (WRAPPER_NAME (powf), _ZGVcN8vv_powf) +VECTOR_WRAPPER (WRAPPER_NAME (acosf), _ZGVcN8v_acosf) #define VEC_INT_TYPE __m128i |