From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1944) id AF83938B67BC; Mon, 13 Nov 2023 14:25:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF83938B67BC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1699885548; bh=q8K+qzaF+1qWNGO/U3w7O3t/BsXXUpzs5IesOFERIBI=; h=From:To:Subject:Date:From; b=lo9qSIQb9egbKC4k0XybL3rLoOa1sO11hdnN687L8FZ9izJ8i1vPthwIGQfM1A/Su dxh0cc3crCCGBHgIwGmTqDgK9TnuLr4yeltWFA9o0BPjU21wMhpC5fhEb2LjZJxMHn FECzIZJ4/9v54iA4AgHJ6/0kIK5R6Oc8pvpcxunc= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Szabolcs Nagy To: glibc-cvs@sourceware.org Subject: [glibc] aarch64: Add vector implementations of atan routines X-Act-Checkin: glibc X-Git-Author: Joe Ramsay X-Git-Refname: refs/heads/master X-Git-Oldrev: b5d23367a8c1e92b26bd48cce984e790208cdac1 X-Git-Newrev: d30c39f80d19d62e8fd750c424ccb7eb06b617e5 Message-Id: <20231113142548.AF83938B67BC@sourceware.org> Date: Mon, 13 Nov 2023 14:25:48 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d30c39f80d19d62e8fd750c424ccb7eb06b617e5 commit d30c39f80d19d62e8fd750c424ccb7eb06b617e5 Author: Joe Ramsay Date: Fri Nov 3 12:12:21 2023 +0000 aarch64: Add vector implementations of atan routines Diff: --- sysdeps/aarch64/fpu/Makefile | 1 + sysdeps/aarch64/fpu/Versions | 4 + sysdeps/aarch64/fpu/atan_advsimd.c | 104 ++++++++++++++++++++ sysdeps/aarch64/fpu/atan_sve.c | 90 +++++++++++++++++ sysdeps/aarch64/fpu/atanf_advsimd.c | 109 +++++++++++++++++++++ sysdeps/aarch64/fpu/atanf_sve.c | 79 +++++++++++++++ sysdeps/aarch64/fpu/bits/math-vector.h | 4 + sysdeps/aarch64/fpu/test-double-advsimd-wrappers.c | 1 + sysdeps/aarch64/fpu/test-double-sve-wrappers.c | 1 + sysdeps/aarch64/fpu/test-float-advsimd-wrappers.c | 1 + sysdeps/aarch64/fpu/test-float-sve-wrappers.c | 1 + sysdeps/aarch64/libm-test-ulps | 8 ++ sysdeps/unix/sysv/linux/aarch64/libmvec.abilist | 4 + 13 files changed, 407 insertions(+) diff --git a/sysdeps/aarch64/fpu/Makefile b/sysdeps/aarch64/fpu/Makefile index 606fdd804f..5bd77a749d 100644 --- a/sysdeps/aarch64/fpu/Makefile +++ b/sysdeps/aarch64/fpu/Makefile @@ -1,5 +1,6 @@ libmvec-supported-funcs = acos \ asin \ + atan \ cos \ exp \ exp10 \ diff --git a/sysdeps/aarch64/fpu/Versions b/sysdeps/aarch64/fpu/Versions index 1037cd92bd..dfc3d2dad3 100644 --- a/sysdeps/aarch64/fpu/Versions +++ b/sysdeps/aarch64/fpu/Versions @@ -26,6 +26,10 @@ libmvec { _ZGVnN2v_asin; _ZGVsMxv_asinf; _ZGVsMxv_asin; + _ZGVnN4v_atanf; + _ZGVnN2v_atan; + _ZGVsMxv_atanf; + _ZGVsMxv_atan; _ZGVnN4v_exp10f; _ZGVnN2v_exp10; _ZGVsMxv_exp10f; diff --git a/sysdeps/aarch64/fpu/atan_advsimd.c b/sysdeps/aarch64/fpu/atan_advsimd.c new file mode 100644 index 0000000000..d52c07d8a0 --- /dev/null +++ b/sysdeps/aarch64/fpu/atan_advsimd.c @@ -0,0 +1,104 @@ +/* Double-precision AdvSIMD inverse tan + + Copyright (C) 2023 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 + . */ + +#include "v_math.h" +#include "poly_advsimd_f64.h" + +static const struct data +{ + float64x2_t pi_over_2; + float64x2_t poly[20]; +} data = { + /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on + [2**-1022, 1.0]. */ + .poly = { V2 (-0x1.5555555555555p-2), V2 (0x1.99999999996c1p-3), + V2 (-0x1.2492492478f88p-3), V2 (0x1.c71c71bc3951cp-4), + V2 (-0x1.745d160a7e368p-4), V2 (0x1.3b139b6a88ba1p-4), + V2 (-0x1.11100ee084227p-4), V2 (0x1.e1d0f9696f63bp-5), + V2 (-0x1.aebfe7b418581p-5), V2 (0x1.842dbe9b0d916p-5), + V2 (-0x1.5d30140ae5e99p-5), V2 (0x1.338e31eb2fbbcp-5), + V2 (-0x1.00e6eece7de8p-5), V2 (0x1.860897b29e5efp-6), + V2 (-0x1.0051381722a59p-6), V2 (0x1.14e9dc19a4a4ep-7), + V2 (-0x1.d0062b42fe3bfp-9), V2 (0x1.17739e210171ap-10), + V2 (-0x1.ab24da7be7402p-13), V2 (0x1.358851160a528p-16), }, + .pi_over_2 = V2 (0x1.921fb54442d18p+0), +}; + +#define SignMask v_u64 (0x8000000000000000) +#define TinyBound 0x3e10000000000000 /* asuint64(0x1p-30). */ +#define BigBound 0x4340000000000000 /* asuint64(0x1p53). */ + +/* Fast implementation of vector atan. + Based on atan(x) ~ shift + z + z^3 * P(z^2) with reduction to [0,1] using + z=1/x and shift = pi/2. Maximum observed error is 2.27 ulps: + _ZGVnN2v_atan (0x1.0005af27c23e9p+0) got 0x1.9225645bdd7c1p-1 + want 0x1.9225645bdd7c3p-1. */ +float64x2_t VPCS_ATTR V_NAME_D1 (atan) (float64x2_t x) +{ + const struct data *d = ptr_barrier (&data); + + /* Small cases, infs and nans are supported by our approximation technique, + but do not set fenv flags correctly. Only trigger special case if we need + fenv. */ + uint64x2_t ix = vreinterpretq_u64_f64 (x); + uint64x2_t sign = vandq_u64 (ix, SignMask); + +#if WANT_SIMD_EXCEPT + uint64x2_t ia12 = vandq_u64 (ix, v_u64 (0x7ff0000000000000)); + uint64x2_t special = vcgtq_u64 (vsubq_u64 (ia12, v_u64 (TinyBound)), + v_u64 (BigBound - TinyBound)); + /* If any lane is special, fall back to the scalar routine for all lanes. */ + if (__glibc_unlikely (v_any_u64 (special))) + return v_call_f64 (atan, x, v_f64 (0), v_u64 (-1)); +#endif + + /* Argument reduction: + y := arctan(x) for x < 1 + y := pi/2 + arctan(-1/x) for x > 1 + Hence, use z=-1/a if x>=1, otherwise z=a. */ + uint64x2_t red = vcagtq_f64 (x, v_f64 (1.0)); + /* Avoid dependency in abs(x) in division (and comparison). */ + float64x2_t z = vbslq_f64 (red, vdivq_f64 (v_f64 (1.0), x), x); + float64x2_t shift = vreinterpretq_f64_u64 ( + vandq_u64 (red, vreinterpretq_u64_f64 (d->pi_over_2))); + /* Use absolute value only when needed (odd powers of z). */ + float64x2_t az = vbslq_f64 ( + SignMask, vreinterpretq_f64_u64 (vandq_u64 (SignMask, red)), z); + + /* Calculate the polynomial approximation. + Use split Estrin scheme for P(z^2) with deg(P)=19. Use split instead of + full scheme to avoid underflow in x^16. + The order 19 polynomial P approximates + (atan(sqrt(x))-sqrt(x))/x^(3/2). */ + float64x2_t z2 = vmulq_f64 (z, z); + float64x2_t x2 = vmulq_f64 (z2, z2); + float64x2_t x4 = vmulq_f64 (x2, x2); + float64x2_t x8 = vmulq_f64 (x4, x4); + float64x2_t y + = vfmaq_f64 (v_estrin_7_f64 (z2, x2, x4, d->poly), + v_estrin_11_f64 (z2, x2, x4, x8, d->poly + 8), x8); + + /* Finalize. y = shift + z + z^3 * P(z^2). */ + y = vfmaq_f64 (az, y, vmulq_f64 (z2, az)); + y = vaddq_f64 (y, shift); + + /* y = atan(x) if x>0, -atan(-x) otherwise. */ + y = vreinterpretq_f64_u64 (veorq_u64 (vreinterpretq_u64_f64 (y), sign)); + return y; +} diff --git a/sysdeps/aarch64/fpu/atan_sve.c b/sysdeps/aarch64/fpu/atan_sve.c new file mode 100644 index 0000000000..35587ef212 --- /dev/null +++ b/sysdeps/aarch64/fpu/atan_sve.c @@ -0,0 +1,90 @@ +/* Double-precision SVE inverse tan + + Copyright (C) 2023 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 + . */ + +#include "sv_math.h" +#include "poly_sve_f64.h" + +static const struct data +{ + float64_t poly[20]; + float64_t pi_over_2; +} data = { + /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on + [2**-1022, 1.0]. */ + .poly = { -0x1.5555555555555p-2, 0x1.99999999996c1p-3, -0x1.2492492478f88p-3, + 0x1.c71c71bc3951cp-4, -0x1.745d160a7e368p-4, 0x1.3b139b6a88ba1p-4, + -0x1.11100ee084227p-4, 0x1.e1d0f9696f63bp-5, -0x1.aebfe7b418581p-5, + 0x1.842dbe9b0d916p-5, -0x1.5d30140ae5e99p-5, 0x1.338e31eb2fbbcp-5, + -0x1.00e6eece7de8p-5, 0x1.860897b29e5efp-6, -0x1.0051381722a59p-6, + 0x1.14e9dc19a4a4ep-7, -0x1.d0062b42fe3bfp-9, 0x1.17739e210171ap-10, + -0x1.ab24da7be7402p-13, 0x1.358851160a528p-16, }, + .pi_over_2 = 0x1.921fb54442d18p+0, +}; + +/* Useful constants. */ +#define SignMask (0x8000000000000000) + +/* Fast implementation of SVE atan. + Based on atan(x) ~ shift + z + z^3 * P(z^2) with reduction to [0,1] using + z=1/x and shift = pi/2. Largest errors are close to 1. The maximum observed + error is 2.27 ulps: + _ZGVsMxv_atan (0x1.0005af27c23e9p+0) got 0x1.9225645bdd7c1p-1 + want 0x1.9225645bdd7c3p-1. */ +svfloat64_t SV_NAME_D1 (atan) (svfloat64_t x, const svbool_t pg) +{ + const struct data *d = ptr_barrier (&data); + + /* No need to trigger special case. Small cases, infs and nans + are supported by our approximation technique. */ + svuint64_t ix = svreinterpret_u64 (x); + svuint64_t sign = svand_x (pg, ix, SignMask); + + /* Argument reduction: + y := arctan(x) for x < 1 + y := pi/2 + arctan(-1/x) for x > 1 + Hence, use z=-1/a if x>=1, otherwise z=a. */ + svbool_t red = svacgt (pg, x, 1.0); + /* Avoid dependency in abs(x) in division (and comparison). */ + svfloat64_t z = svsel (red, svdivr_x (pg, x, 1.0), x); + /* Use absolute value only when needed (odd powers of z). */ + svfloat64_t az = svabs_x (pg, z); + az = svneg_m (az, red, az); + + /* Use split Estrin scheme for P(z^2) with deg(P)=19. */ + svfloat64_t z2 = svmul_x (pg, z, z); + svfloat64_t x2 = svmul_x (pg, z2, z2); + svfloat64_t x4 = svmul_x (pg, x2, x2); + svfloat64_t x8 = svmul_x (pg, x4, x4); + + svfloat64_t y + = svmla_x (pg, sv_estrin_7_f64_x (pg, z2, x2, x4, d->poly), + sv_estrin_11_f64_x (pg, z2, x2, x4, x8, d->poly + 8), x8); + + /* y = shift + z + z^3 * P(z^2). */ + svfloat64_t z3 = svmul_x (pg, z2, az); + y = svmla_x (pg, az, z3, y); + + /* Apply shift as indicated by `red` predicate. */ + y = svadd_m (red, y, d->pi_over_2); + + /* y = atan(x) if x>0, -atan(-x) otherwise. */ + y = svreinterpret_f64 (sveor_x (pg, svreinterpret_u64 (y), sign)); + + return y; +} diff --git a/sysdeps/aarch64/fpu/atanf_advsimd.c b/sysdeps/aarch64/fpu/atanf_advsimd.c new file mode 100644 index 0000000000..589b0e8c96 --- /dev/null +++ b/sysdeps/aarch64/fpu/atanf_advsimd.c @@ -0,0 +1,109 @@ +/* Single-precision AdvSIMD inverse tan + + Copyright (C) 2023 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 + . */ + +#include "v_math.h" +#include "poly_advsimd_f32.h" + +static const struct data +{ + float32x4_t poly[8]; + float32x4_t pi_over_2; +} data = { + /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on + [2**-128, 1.0]. + Generated using fpminimax between FLT_MIN and 1. */ + .poly = { V4 (-0x1.55555p-2f), V4 (0x1.99935ep-3f), V4 (-0x1.24051ep-3f), + V4 (0x1.bd7368p-4f), V4 (-0x1.491f0ep-4f), V4 (0x1.93a2c0p-5f), + V4 (-0x1.4c3c60p-6f), V4 (0x1.01fd88p-8f) }, + .pi_over_2 = V4 (0x1.921fb6p+0f), +}; + +#define SignMask v_u32 (0x80000000) + +#define P(i) d->poly[i] + +#define TinyBound 0x30800000 /* asuint(0x1p-30). */ +#define BigBound 0x4e800000 /* asuint(0x1p30). */ + +#if WANT_SIMD_EXCEPT +static float32x4_t VPCS_ATTR NOINLINE +special_case (float32x4_t x, float32x4_t y, uint32x4_t special) +{ + return v_call_f32 (atanf, x, y, special); +} +#endif + +/* Fast implementation of vector atanf based on + atan(x) ~ shift + z + z^3 * P(z^2) with reduction to [0,1] + using z=-1/x and shift = pi/2. Maximum observed error is 2.9ulps: + _ZGVnN4v_atanf (0x1.0468f6p+0) got 0x1.967f06p-1 want 0x1.967fp-1. */ +float32x4_t VPCS_ATTR V_NAME_F1 (atan) (float32x4_t x) +{ + const struct data *d = ptr_barrier (&data); + + /* Small cases, infs and nans are supported by our approximation technique, + but do not set fenv flags correctly. Only trigger special case if we need + fenv. */ + uint32x4_t ix = vreinterpretq_u32_f32 (x); + uint32x4_t sign = vandq_u32 (ix, SignMask); + +#if WANT_SIMD_EXCEPT + uint32x4_t ia = vandq_u32 (ix, v_u32 (0x7ff00000)); + uint32x4_t special = vcgtq_u32 (vsubq_u32 (ia, v_u32 (TinyBound)), + v_u32 (BigBound - TinyBound)); + /* If any lane is special, fall back to the scalar routine for all lanes. */ + if (__glibc_unlikely (v_any_u32 (special))) + return special_case (x, x, v_u32 (-1)); +#endif + + /* Argument reduction: + y := arctan(x) for x < 1 + y := pi/2 + arctan(-1/x) for x > 1 + Hence, use z=-1/a if x>=1, otherwise z=a. */ + uint32x4_t red = vcagtq_f32 (x, v_f32 (1.0)); + /* Avoid dependency in abs(x) in division (and comparison). */ + float32x4_t z = vbslq_f32 (red, vdivq_f32 (v_f32 (1.0f), x), x); + float32x4_t shift = vreinterpretq_f32_u32 ( + vandq_u32 (red, vreinterpretq_u32_f32 (d->pi_over_2))); + /* Use absolute value only when needed (odd powers of z). */ + float32x4_t az = vbslq_f32 ( + SignMask, vreinterpretq_f32_u32 (vandq_u32 (SignMask, red)), z); + + /* Calculate the polynomial approximation. + Use 2-level Estrin scheme for P(z^2) with deg(P)=7. However, + a standard implementation using z8 creates spurious underflow + in the very last fma (when z^8 is small enough). + Therefore, we split the last fma into a mul and an fma. + Horner and single-level Estrin have higher errors that exceed + threshold. */ + float32x4_t z2 = vmulq_f32 (z, z); + float32x4_t z4 = vmulq_f32 (z2, z2); + + float32x4_t y = vfmaq_f32 ( + v_pairwise_poly_3_f32 (z2, z4, d->poly), z4, + vmulq_f32 (z4, v_pairwise_poly_3_f32 (z2, z4, d->poly + 4))); + + /* y = shift + z * P(z^2). */ + y = vaddq_f32 (vfmaq_f32 (az, y, vmulq_f32 (z2, az)), shift); + + /* y = atan(x) if x>0, -atan(-x) otherwise. */ + y = vreinterpretq_f32_u32 (veorq_u32 (vreinterpretq_u32_f32 (y), sign)); + + return y; +} diff --git a/sysdeps/aarch64/fpu/atanf_sve.c b/sysdeps/aarch64/fpu/atanf_sve.c new file mode 100644 index 0000000000..9453e7aa29 --- /dev/null +++ b/sysdeps/aarch64/fpu/atanf_sve.c @@ -0,0 +1,79 @@ +/* Single-precision SVE inverse tan + + Copyright (C) 2023 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 + . */ + +#include "sv_math.h" +#include "poly_sve_f32.h" + +static const struct data +{ + float32_t poly[8]; + float32_t pi_over_2; +} data = { + /* Coefficients of polynomial P such that atan(x)~x+x*P(x^2) on + [2**-128, 1.0]. */ + .poly = { -0x1.55555p-2f, 0x1.99935ep-3f, -0x1.24051ep-3f, 0x1.bd7368p-4f, + -0x1.491f0ep-4f, 0x1.93a2c0p-5f, -0x1.4c3c60p-6f, 0x1.01fd88p-8f }, + .pi_over_2 = 0x1.921fb6p+0f, +}; + +#define SignMask (0x80000000) + +/* Fast implementation of SVE atanf based on + atan(x) ~ shift + z + z^3 * P(z^2) with reduction to [0,1] using + z=-1/x and shift = pi/2. + Largest observed error is 2.9 ULP, close to +/-1.0: + _ZGVsMxv_atanf (0x1.0468f6p+0) got -0x1.967f06p-1 + want -0x1.967fp-1. */ +svfloat32_t SV_NAME_F1 (atan) (svfloat32_t x, const svbool_t pg) +{ + const struct data *d = ptr_barrier (&data); + + /* No need to trigger special case. Small cases, infs and nans + are supported by our approximation technique. */ + svuint32_t ix = svreinterpret_u32 (x); + svuint32_t sign = svand_x (pg, ix, SignMask); + + /* Argument reduction: + y := arctan(x) for x < 1 + y := pi/2 + arctan(-1/x) for x > 1 + Hence, use z=-1/a if x>=1, otherwise z=a. */ + svbool_t red = svacgt (pg, x, 1.0f); + /* Avoid dependency in abs(x) in division (and comparison). */ + svfloat32_t z = svsel (red, svdiv_x (pg, sv_f32 (1.0f), x), x); + /* Use absolute value only when needed (odd powers of z). */ + svfloat32_t az = svabs_x (pg, z); + az = svneg_m (az, red, az); + + /* Use split Estrin scheme for P(z^2) with deg(P)=7. */ + svfloat32_t z2 = svmul_x (pg, z, z); + svfloat32_t z4 = svmul_x (pg, z2, z2); + svfloat32_t z8 = svmul_x (pg, z4, z4); + + svfloat32_t y = sv_estrin_7_f32_x (pg, z2, z4, z8, d->poly); + + /* y = shift + z + z^3 * P(z^2). */ + svfloat32_t z3 = svmul_x (pg, z2, az); + y = svmla_x (pg, az, z3, y); + + /* Apply shift as indicated by 'red' predicate. */ + y = svadd_m (red, y, sv_f32 (d->pi_over_2)); + + /* y = atan(x) if x>0, -atan(-x) otherwise. */ + return svreinterpret_f32 (sveor_x (pg, svreinterpret_u32 (y), sign)); +} diff --git a/sysdeps/aarch64/fpu/bits/math-vector.h b/sysdeps/aarch64/fpu/bits/math-vector.h index f313993d70..37aa74fe50 100644 --- a/sysdeps/aarch64/fpu/bits/math-vector.h +++ b/sysdeps/aarch64/fpu/bits/math-vector.h @@ -51,6 +51,7 @@ typedef __SVBool_t __sv_bool_t; __vpcs __f32x4_t _ZGVnN4v_acosf (__f32x4_t); __vpcs __f32x4_t _ZGVnN4v_asinf (__f32x4_t); +__vpcs __f32x4_t _ZGVnN4v_atanf (__f32x4_t); __vpcs __f32x4_t _ZGVnN4v_cosf (__f32x4_t); __vpcs __f32x4_t _ZGVnN4v_expf (__f32x4_t); __vpcs __f32x4_t _ZGVnN4v_exp10f (__f32x4_t); @@ -63,6 +64,7 @@ __vpcs __f32x4_t _ZGVnN4v_tanf (__f32x4_t); __vpcs __f64x2_t _ZGVnN2v_acos (__f64x2_t); __vpcs __f64x2_t _ZGVnN2v_asin (__f64x2_t); +__vpcs __f64x2_t _ZGVnN2v_atan (__f64x2_t); __vpcs __f64x2_t _ZGVnN2v_cos (__f64x2_t); __vpcs __f64x2_t _ZGVnN2v_exp (__f64x2_t); __vpcs __f64x2_t _ZGVnN2v_exp10 (__f64x2_t); @@ -80,6 +82,7 @@ __vpcs __f64x2_t _ZGVnN2v_tan (__f64x2_t); __sv_f32_t _ZGVsMxv_acosf (__sv_f32_t, __sv_bool_t); __sv_f32_t _ZGVsMxv_asinf (__sv_f32_t, __sv_bool_t); +__sv_f32_t _ZGVsMxv_atanf (__sv_f32_t, __sv_bool_t); __sv_f32_t _ZGVsMxv_cosf (__sv_f32_t, __sv_bool_t); __sv_f32_t _ZGVsMxv_expf (__sv_f32_t, __sv_bool_t); __sv_f32_t _ZGVsMxv_exp10f (__sv_f32_t, __sv_bool_t); @@ -92,6 +95,7 @@ __sv_f32_t _ZGVsMxv_tanf (__sv_f32_t, __sv_bool_t); __sv_f64_t _ZGVsMxv_acos (__sv_f64_t, __sv_bool_t); __sv_f64_t _ZGVsMxv_asin (__sv_f64_t, __sv_bool_t); +__sv_f64_t _ZGVsMxv_atan (__sv_f64_t, __sv_bool_t); __sv_f64_t _ZGVsMxv_cos (__sv_f64_t, __sv_bool_t); __sv_f64_t _ZGVsMxv_exp (__sv_f64_t, __sv_bool_t); __sv_f64_t _ZGVsMxv_exp10 (__sv_f64_t, __sv_bool_t); diff --git a/sysdeps/aarch64/fpu/test-double-advsimd-wrappers.c b/sysdeps/aarch64/fpu/test-double-advsimd-wrappers.c index 5a0cbf743b..6954fe7435 100644 --- a/sysdeps/aarch64/fpu/test-double-advsimd-wrappers.c +++ b/sysdeps/aarch64/fpu/test-double-advsimd-wrappers.c @@ -25,6 +25,7 @@ VPCS_VECTOR_WRAPPER (acos_advsimd, _ZGVnN2v_acos) VPCS_VECTOR_WRAPPER (asin_advsimd, _ZGVnN2v_asin) +VPCS_VECTOR_WRAPPER (atan_advsimd, _ZGVnN2v_atan) VPCS_VECTOR_WRAPPER (cos_advsimd, _ZGVnN2v_cos) VPCS_VECTOR_WRAPPER (exp_advsimd, _ZGVnN2v_exp) VPCS_VECTOR_WRAPPER (exp10_advsimd, _ZGVnN2v_exp10) diff --git a/sysdeps/aarch64/fpu/test-double-sve-wrappers.c b/sysdeps/aarch64/fpu/test-double-sve-wrappers.c index bd89ff6133..1173d8f9ae 100644 --- a/sysdeps/aarch64/fpu/test-double-sve-wrappers.c +++ b/sysdeps/aarch64/fpu/test-double-sve-wrappers.c @@ -34,6 +34,7 @@ SVE_VECTOR_WRAPPER (acos_sve, _ZGVsMxv_acos) SVE_VECTOR_WRAPPER (asin_sve, _ZGVsMxv_asin) +SVE_VECTOR_WRAPPER (atan_sve, _ZGVsMxv_atan) SVE_VECTOR_WRAPPER (cos_sve, _ZGVsMxv_cos) SVE_VECTOR_WRAPPER (exp_sve, _ZGVsMxv_exp) SVE_VECTOR_WRAPPER (exp10_sve, _ZGVsMxv_exp10) diff --git a/sysdeps/aarch64/fpu/test-float-advsimd-wrappers.c b/sysdeps/aarch64/fpu/test-float-advsimd-wrappers.c index 3fafca7557..387efc30f8 100644 --- a/sysdeps/aarch64/fpu/test-float-advsimd-wrappers.c +++ b/sysdeps/aarch64/fpu/test-float-advsimd-wrappers.c @@ -25,6 +25,7 @@ VPCS_VECTOR_WRAPPER (acosf_advsimd, _ZGVnN4v_acosf) VPCS_VECTOR_WRAPPER (asinf_advsimd, _ZGVnN4v_asinf) +VPCS_VECTOR_WRAPPER (atanf_advsimd, _ZGVnN4v_atanf) VPCS_VECTOR_WRAPPER (cosf_advsimd, _ZGVnN4v_cosf) VPCS_VECTOR_WRAPPER (expf_advsimd, _ZGVnN4v_expf) VPCS_VECTOR_WRAPPER (exp10f_advsimd, _ZGVnN4v_exp10f) diff --git a/sysdeps/aarch64/fpu/test-float-sve-wrappers.c b/sysdeps/aarch64/fpu/test-float-sve-wrappers.c index b4ec9f777b..dddd4cb213 100644 --- a/sysdeps/aarch64/fpu/test-float-sve-wrappers.c +++ b/sysdeps/aarch64/fpu/test-float-sve-wrappers.c @@ -34,6 +34,7 @@ SVE_VECTOR_WRAPPER (acosf_sve, _ZGVsMxv_acosf) SVE_VECTOR_WRAPPER (asinf_sve, _ZGVsMxv_asinf) +SVE_VECTOR_WRAPPER (atanf_sve, _ZGVsMxv_atanf) SVE_VECTOR_WRAPPER (cosf_sve, _ZGVsMxv_cosf) SVE_VECTOR_WRAPPER (expf_sve, _ZGVsMxv_expf) SVE_VECTOR_WRAPPER (exp10f_sve, _ZGVsMxv_exp10f) diff --git a/sysdeps/aarch64/libm-test-ulps b/sysdeps/aarch64/libm-test-ulps index c2b6f21b9d..24a99e10da 100644 --- a/sysdeps/aarch64/libm-test-ulps +++ b/sysdeps/aarch64/libm-test-ulps @@ -121,11 +121,19 @@ double: 1 float: 1 ldouble: 2 +Function: "atan_advsimd": +double: 1 +float: 1 + Function: "atan_downward": double: 1 float: 2 ldouble: 2 +Function: "atan_sve": +double: 1 +float: 1 + Function: "atan_towardzero": double: 1 float: 1 diff --git a/sysdeps/unix/sysv/linux/aarch64/libmvec.abilist b/sysdeps/unix/sysv/linux/aarch64/libmvec.abilist index f79eaaf241..a2d1b8fb6d 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libmvec.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libmvec.abilist @@ -16,6 +16,7 @@ GLIBC_2.38 _ZGVsMxv_sin F GLIBC_2.38 _ZGVsMxv_sinf F GLIBC_2.39 _ZGVnN2v_acos F GLIBC_2.39 _ZGVnN2v_asin F +GLIBC_2.39 _ZGVnN2v_atan F GLIBC_2.39 _ZGVnN2v_exp10 F GLIBC_2.39 _ZGVnN2v_exp2 F GLIBC_2.39 _ZGVnN2v_log10 F @@ -23,6 +24,7 @@ GLIBC_2.39 _ZGVnN2v_log2 F GLIBC_2.39 _ZGVnN2v_tan F GLIBC_2.39 _ZGVnN4v_acosf F GLIBC_2.39 _ZGVnN4v_asinf F +GLIBC_2.39 _ZGVnN4v_atanf F GLIBC_2.39 _ZGVnN4v_exp10f F GLIBC_2.39 _ZGVnN4v_exp2f F GLIBC_2.39 _ZGVnN4v_log10f F @@ -32,6 +34,8 @@ GLIBC_2.39 _ZGVsMxv_acos F GLIBC_2.39 _ZGVsMxv_acosf F GLIBC_2.39 _ZGVsMxv_asin F GLIBC_2.39 _ZGVsMxv_asinf F +GLIBC_2.39 _ZGVsMxv_atan F +GLIBC_2.39 _ZGVsMxv_atanf F GLIBC_2.39 _ZGVsMxv_exp10 F GLIBC_2.39 _ZGVsMxv_exp10f F GLIBC_2.39 _ZGVsMxv_exp2 F