diff options
Diffstat (limited to 'src/vppinfra/vector_funcs.h')
| -rw-r--r-- | src/vppinfra/vector_funcs.h | 366 |
1 files changed, 41 insertions, 325 deletions
diff --git a/src/vppinfra/vector_funcs.h b/src/vppinfra/vector_funcs.h index db09de0f04c..c8670662910 100644 --- a/src/vppinfra/vector_funcs.h +++ b/src/vppinfra/vector_funcs.h @@ -1,334 +1,50 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. +/* SPDX-License-Identifier: Apache-2.0 + * Copyright(c) 2021 Cisco Systems, Inc. */ -/* - Copyright (c) 2008 Eliot Dresselhaus - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ #ifndef included_vector_funcs_h #define included_vector_funcs_h +#include <vppinfra/clib.h> -#include <vppinfra/byte_order.h> - -/* Addition/subtraction. */ -#if CLIB_VECTOR_WORD_BITS == 128 -#define u8x_add u8x16_add -#define u16x_add u16x8_add -#define u32x_add u32x4_add -#define u64x_add u64x2_add -#define i8x_add i8x16_add -#define i16x_add i16x8_add -#define i32x_add i32x4_add -#define i64x_add i64x2_add -#define u8x_sub u8x16_sub -#define u16x_sub u16x8_sub -#define u32x_sub u32x4_sub -#define u64x_sub u64x2_sub -#define i8x_sub i8x16_sub -#define i16x_sub i16x8_sub -#define i32x_sub i32x4_sub -#define i64x_sub i64x2_sub -#endif - -#if CLIB_VECTOR_WORD_BITS == 64 -#define u8x_add u8x8_add -#define u16x_add u16x4_add -#define u32x_add u32x2_add -#define i8x_add i8x8_add -#define i16x_add i16x4_add -#define i32x_add i32x2_add -#define u8x_sub u8x8_sub -#define u16x_sub u16x4_sub -#define u32x_sub u32x2_sub -#define i8x_sub i8x8_sub -#define i16x_sub i16x4_sub -#define i32x_sub i32x2_sub -#endif - -/* Saturating addition/subtraction. */ -#if CLIB_VECTOR_WORD_BITS == 128 -#define u8x_add_saturate u8x16_add_saturate -#define u16x_add_saturate u16x8_add_saturate -#define i8x_add_saturate i8x16_add_saturate -#define i16x_add_saturate i16x8_add_saturate -#define u8x_sub_saturate u8x16_sub_saturate -#define u16x_sub_saturate u16x8_sub_saturate -#define i8x_sub_saturate i8x16_sub_saturate -#define i16x_sub_saturate i16x8_sub_saturate -#endif - -#if CLIB_VECTOR_WORD_BITS == 64 -#define u8x_add_saturate u8x8_add_saturate -#define u16x_add_saturate u16x4_add_saturate -#define i8x_add_saturate i8x8_add_saturate -#define i16x_add_saturate i16x4_add_saturate -#define u8x_sub_saturate u8x8_sub_saturate -#define u16x_sub_saturate u16x4_sub_saturate -#define i8x_sub_saturate i8x8_sub_saturate -#define i16x_sub_saturate i16x4_sub_saturate -#endif - -#define _vector_interleave(a,b,t) \ -do { \ - t _tmp_lo = t##_interleave_lo (a, b); \ - t _tmp_hi = t##_interleave_hi (a, b); \ - if (CLIB_ARCH_IS_LITTLE_ENDIAN) \ - (a) = _tmp_lo, (b) = _tmp_hi; \ - else \ - (a) = _tmp_hi, (b) = _tmp_lo; \ -} while (0) - -/* 128 bit interleaves. */ -#define u8x16_interleave(a,b) _vector_interleave(a,b,u8x16) -#define i8x16_interleave(a,b) _vector_interleave(a,b,i8x16) -#define u16x8_interleave(a,b) _vector_interleave(a,b,u16x8) -#define i16x8_interleave(a,b) _vector_interleave(a,b,i16x8) -#define u32x4_interleave(a,b) _vector_interleave(a,b,u32x4) -#define i32x4_interleave(a,b) _vector_interleave(a,b,i32x4) -#define u64x2_interleave(a,b) _vector_interleave(a,b,u64x2) -#define i64x2_interleave(a,b) _vector_interleave(a,b,i64x2) +/** \brief Compare 64 16-bit elemments with provied value and return bitmap -/* 64 bit interleaves. */ -#define u8x8_interleave(a,b) _vector_interleave(a,b,u8x8) -#define i8x8_interleave(a,b) _vector_interleave(a,b,i8x8) -#define u16x4_interleave(a,b) _vector_interleave(a,b,u16x4) -#define i16x4_interleave(a,b) _vector_interleave(a,b,i16x4) -#define u32x2_interleave(a,b) _vector_interleave(a,b,u32x2) -#define i32x2_interleave(a,b) _vector_interleave(a,b,i32x2) - -/* Word sized interleaves. */ -#if CLIB_VECTOR_WORD_BITS == 128 -#define u8x_interleave u8x16_interleave -#define u16x_interleave u16x8_interleave -#define u32x_interleave u32x4_interleave -#define u64x_interleave u64x2_interleave -#endif - -#if CLIB_VECTOR_WORD_BITS == 64 -#define u8x_interleave u8x8_interleave -#define u16x_interleave u16x4_interleave -#define u32x_interleave u32x2_interleave -#define u64x_interleave(a,b) /* do nothing */ -#endif - -/* Vector word sized shifts. */ -#if CLIB_VECTOR_WORD_BITS == 128 -#define u8x_shift_left u8x16_shift_left -#define i8x_shift_left i8x16_shift_left -#define u16x_shift_left u16x8_shift_left -#define i16x_shift_left i16x8_shift_left -#define u32x_shift_left u32x4_shift_left -#define i32x_shift_left i32x4_shift_left -#define u64x_shift_left u64x2_shift_left -#define i64x_shift_left i64x2_shift_left -#define u8x_shift_right u8x16_shift_right -#define i8x_shift_right i8x16_shift_right -#define u16x_shift_right u16x8_shift_right -#define i16x_shift_right i16x8_shift_right -#define u32x_shift_right u32x4_shift_right -#define i32x_shift_right i32x4_shift_right -#define u64x_shift_right u64x2_shift_right -#define i64x_shift_right i64x2_shift_right -#define u8x_rotate_left u8x16_rotate_left -#define i8x_rotate_left i8x16_rotate_left -#define u16x_rotate_left u16x8_rotate_left -#define i16x_rotate_left i16x8_rotate_left -#define u32x_rotate_left u32x4_rotate_left -#define i32x_rotate_left i32x4_rotate_left -#define u64x_rotate_left u64x2_rotate_left -#define i64x_rotate_left i64x2_rotate_left -#define u8x_rotate_right u8x16_rotate_right -#define i8x_rotate_right i8x16_rotate_right -#define u16x_rotate_right u16x8_rotate_right -#define i16x_rotate_right i16x8_rotate_right -#define u32x_rotate_right u32x4_rotate_right -#define i32x_rotate_right i32x4_rotate_right -#define u64x_rotate_right u64x2_rotate_right -#define i64x_rotate_right i64x2_rotate_right -#define u8x_ishift_left u8x16_ishift_left -#define i8x_ishift_left i8x16_ishift_left -#define u16x_ishift_left u16x8_ishift_left -#define i16x_ishift_left i16x8_ishift_left -#define u32x_ishift_left u32x4_ishift_left -#define i32x_ishift_left i32x4_ishift_left -#define u64x_ishift_left u64x2_ishift_left -#define i64x_ishift_left i64x2_ishift_left -#define u8x_ishift_right u8x16_ishift_right -#define i8x_ishift_right i8x16_ishift_right -#define u16x_ishift_right u16x8_ishift_right -#define i16x_ishift_right i16x8_ishift_right -#define u32x_ishift_right u32x4_ishift_right -#define i32x_ishift_right i32x4_ishift_right -#define u64x_ishift_right u64x2_ishift_right -#define i64x_ishift_right i64x2_ishift_right -#define u8x_irotate_left u8x16_irotate_left -#define i8x_irotate_left i8x16_irotate_left -#define u16x_irotate_left u16x8_irotate_left -#define i16x_irotate_left i16x8_irotate_left -#define u32x_irotate_left u32x4_irotate_left -#define i32x_irotate_left i32x4_irotate_left -#define u64x_irotate_left u64x2_irotate_left -#define i64x_irotate_left i64x2_irotate_left -#define u8x_irotate_right u8x16_irotate_right -#define i8x_irotate_right i8x16_irotate_right -#define u16x_irotate_right u16x8_irotate_right -#define i16x_irotate_right i16x8_irotate_right -#define u32x_irotate_right u32x4_irotate_right -#define i32x_irotate_right i32x4_irotate_right -#define u64x_irotate_right u64x2_irotate_right -#define i64x_irotate_right i64x2_irotate_right -#endif - -#if CLIB_VECTOR_WORD_BITS == 64 -#define u8x_shift_left u8x8_shift_left -#define i8x_shift_left i8x8_shift_left -#define u16x_shift_left u16x4_shift_left -#define i16x_shift_left i16x4_shift_left -#define u32x_shift_left u32x2_shift_left -#define i32x_shift_left i32x2_shift_left -#define u8x_shift_right u8x8_shift_right -#define i8x_shift_right i8x8_shift_right -#define u16x_shift_right u16x4_shift_right -#define i16x_shift_right i16x4_shift_right -#define u32x_shift_right u32x2_shift_right -#define i32x_shift_right i32x2_shift_right -#define u8x_rotate_left u8x8_rotate_left -#define i8x_rotate_left i8x8_rotate_left -#define u16x_rotate_left u16x4_rotate_left -#define i16x_rotate_left i16x4_rotate_left -#define u32x_rotate_left u32x2_rotate_left -#define i32x_rotate_left i32x2_rotate_left -#define u8x_rotate_right u8x8_rotate_right -#define i8x_rotate_right i8x8_rotate_right -#define u16x_rotate_right u16x4_rotate_right -#define i16x_rotate_right i16x4_rotate_right -#define u32x_rotate_right u32x2_rotate_right -#define i32x_rotate_right i32x2_rotate_right -#define u8x_ishift_left u8x8_ishift_left -#define i8x_ishift_left i8x8_ishift_left -#define u16x_ishift_left u16x4_ishift_left -#define i16x_ishift_left i16x4_ishift_left -#define u32x_ishift_left u32x2_ishift_left -#define i32x_ishift_left i32x2_ishift_left -#define u8x_ishift_right u8x8_ishift_right -#define i8x_ishift_right i8x8_ishift_right -#define u16x_ishift_right u16x4_ishift_right -#define i16x_ishift_right i16x4_ishift_right -#define u32x_ishift_right u32x2_ishift_right -#define i32x_ishift_right i32x2_ishift_right -#define u8x_irotate_left u8x8_irotate_left -#define i8x_irotate_left i8x8_irotate_left -#define u16x_irotate_left u16x4_irotate_left -#define i16x_irotate_left i16x4_irotate_left -#define u32x_irotate_left u32x2_irotate_left -#define i32x_irotate_left i32x2_irotate_left -#define u8x_irotate_right u8x8_irotate_right -#define i8x_irotate_right i8x8_irotate_right -#define u16x_irotate_right u16x4_irotate_right -#define i16x_irotate_right i16x4_irotate_right -#define u32x_irotate_right u32x2_irotate_right -#define i32x_irotate_right i32x2_irotate_right -#endif + @param v value to compare elements with + @param a array of 64 u16 elements + @return u64 bitmap where each bit represents result of comparison +*/ -#if CLIB_VECTOR_WORD_BITS == 128 -#define u8x_splat u8x16_splat -#define i8x_splat i8x16_splat -#define u16x_splat u16x8_splat -#define i16x_splat i16x8_splat -#define u32x_splat u32x4_splat -#define i32x_splat i32x4_splat -#define u64x_splat u64x2_splat -#define i64x_splat i64x2_splat -#endif +static_always_inline u64 +clib_compare_u16_x64 (u16 v, u16 *a) +{ + u64 mask = 0; +#if defined(CLIB_HAVE_VEC512) && !defined(__aarch64__) + u16x32 v32 = u16x32_splat (v); + u16x32u *av = (u16x32u *) a; + mask = ((u64) u16x32_is_equal_mask (av[0], v32) | + (u64) u16x32_is_equal_mask (av[1], v32) << 32); +#elif defined(CLIB_HAVE_VEC256) + u16x16 v16 = u16x16_splat (v); + u16x16u *av = (u16x16u *) a; + i8x32 x; + + x = i16x16_pack (v16 == av[0], v16 == av[1]); + mask = i8x32_msb_mask ((i8x32) u64x4_permute (x, 0, 2, 1, 3)); + x = i16x16_pack (v16 == av[2], v16 == av[3]); + mask |= (u64) i8x32_msb_mask ((i8x32) u64x4_permute (x, 0, 2, 1, 3)) << 32; +#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_MSB_MASK) + u16x8 idx8 = u16x8_splat (v); + u16x8u *av = (u16x8u *) a; + mask = + ((u64) i8x16_msb_mask (i16x8_pack (idx8 == av[0], idx8 == av[1])) | + (u64) i8x16_msb_mask (i16x8_pack (idx8 == av[2], idx8 == av[3])) << 16 | + (u64) i8x16_msb_mask (i16x8_pack (idx8 == av[4], idx8 == av[5])) << 32 | + (u64) i8x16_msb_mask (i16x8_pack (idx8 == av[6], idx8 == av[7])) << 48); +#else + for (int i = 0; i < 64; i++) + if (a[i] == v) + mask |= 1ULL << i; +#endif + return mask; +} -#if CLIB_VECTOR_WORD_BITS == 64 -#define u8x_splat u8x8_splat -#define i8x_splat i8x8_splat -#define u16x_splat u16x4_splat -#define i16x_splat i16x4_splat -#define u32x_splat u32x2_splat -#define i32x_splat i32x2_splat #endif - -#define u32x4_transpose_step(x,y) \ -do { \ - u32x4 _x = (x); \ - u32x4 _y = (y); \ - (x) = u32x4_interleave_lo (_x, _y); \ - (y) = u32x4_interleave_hi (_x, _y); \ -} while (0) - -/* 4x4 transpose: x_ij -> x_ji */ -#define u32x4_transpose(x0,x1,x2,x3) \ -do { \ - u32x4 _x0 = (u32x4) (x0); \ - u32x4 _x1 = (u32x4) (x1); \ - u32x4 _x2 = (u32x4) (x2); \ - u32x4 _x3 = (u32x4) (x3); \ - u32x4_transpose_step (_x0, _x2); \ - u32x4_transpose_step (_x1, _x3); \ - u32x4_transpose_step (_x0, _x1); \ - u32x4_transpose_step (_x2, _x3); \ - (x0) = (u32x4) _x0; \ - (x1) = (u32x4) _x1; \ - (x2) = (u32x4) _x2; \ - (x3) = (u32x4) _x3; \ -} while (0) - -#define i32x4_transpose(x0,x1,x2,x3) \ -do { \ - u32x4 _x0 = (u32x4) (x0); \ - u32x4 _x1 = (u32x4) (x1); \ - u32x4 _x2 = (u32x4) (x2); \ - u32x4 _x3 = (u32x4) (x3); \ - u32x4_transpose_step (_x0, _x2); \ - u32x4_transpose_step (_x1, _x3); \ - u32x4_transpose_step (_x0, _x1); \ - u32x4_transpose_step (_x2, _x3); \ - (x0) = (i32x4) _x0; \ - (x1) = (i32x4) _x1; \ - (x2) = (i32x4) _x2; \ - (x3) = (i32x4) _x3; \ -} while (0) - -#undef _ - -#endif /* included_vector_funcs_h */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |