Frank Barchard | 02bb429 | 2020-12-15 18:25:32 -0800 | [diff] [blame^] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-dwconv2d-chw/3x3p1-wasmsimd-splat.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2020 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #include <wasm_simd128.h> |
| 13 | |
| 14 | #include <xnnpack/dwconv.h> |
| 15 | #include <xnnpack/math.h> |
| 16 | |
| 17 | |
| 18 | |
| 19 | void xnn_f32_dwconv2d_chw_ukernel_3x3p1__wasmsimd_x86_splat_1x4( |
| 20 | size_t input_height, |
| 21 | size_t input_width, |
| 22 | const float* input, |
| 23 | const float* weights, |
| 24 | const float* zero, |
| 25 | float* output, |
| 26 | uint32_t padding_top, |
| 27 | const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| 28 | { |
| 29 | assert(input_height != 0); |
| 30 | assert(input_width != 0); |
| 31 | assert(input_width % sizeof(float) == 0); |
| 32 | assert(padding_top == 1); |
| 33 | |
| 34 | const v128_t vmask = wasm_v128_load(params->scalar.mask); |
| 35 | const v128_t vmax = wasm_v32x4_load_splat(¶ms->scalar.max); |
| 36 | const v128_t vmin = wasm_v32x4_load_splat(¶ms->scalar.min); |
| 37 | |
| 38 | const v128_t vw0123 = wasm_v128_load(weights); |
| 39 | const v128_t vw4567 = wasm_v128_load(weights + 4); |
| 40 | const v128_t vw89 = wasm_v64x2_load_splat(weights + 8); |
| 41 | |
| 42 | const v128_t vzero = wasm_f32x4_splat(0.0f); |
| 43 | |
| 44 | const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float)); |
| 45 | |
| 46 | const float* i0 = zero; |
| 47 | const float* i1 = input; |
| 48 | const float* i2 = (const float*) ((uintptr_t) i1 + input_width); |
| 49 | |
| 50 | float* o0 = output; |
| 51 | |
| 52 | size_t output_height = input_height; |
| 53 | do { |
| 54 | if XNN_UNPREDICTABLE(output_height < 2) { |
| 55 | i2 = zero; |
| 56 | } |
| 57 | |
| 58 | v128_t vi0x0123 = vzero; |
| 59 | v128_t vi1x0123 = vzero; |
| 60 | v128_t vi2x0123 = vzero; |
| 61 | |
| 62 | v128_t vi0x4567 = wasm_v128_load(i0); i0 += 4; |
| 63 | v128_t vi1x4567 = wasm_v128_load(i1); i1 += 4; |
| 64 | v128_t vi2x4567 = wasm_v128_load(i2); i2 += 4; |
| 65 | |
| 66 | size_t w = input_width; |
| 67 | for (; w > 4 * sizeof(float); w -= 4 * sizeof(float)) { |
| 68 | v128_t vo0p0 = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0); |
| 69 | |
| 70 | const v128_t vi0x89AB = wasm_v128_load(i0); i0 += 4; |
| 71 | const v128_t vi1x89AB = wasm_v128_load(i1); i1 += 4; |
| 72 | const v128_t vi2x89AB = wasm_v128_load(i2); i2 += 4; |
| 73 | |
| 74 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x4567, wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2))); |
| 75 | |
| 76 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x4567, wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1))); |
| 77 | |
| 78 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x4567, wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0))); |
| 79 | |
| 80 | const v128_t vi0x3456 = wasm_v32x4_shuffle(vi0x0123, vi0x4567, 3, 4, 5, 6); |
| 81 | const v128_t vi1x3456 = wasm_v32x4_shuffle(vi1x0123, vi1x4567, 3, 4, 5, 6); |
| 82 | const v128_t vi2x3456 = wasm_v32x4_shuffle(vi2x0123, vi2x4567, 3, 4, 5, 6); |
| 83 | |
| 84 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x3456, wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1))); |
| 85 | |
| 86 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x3456, wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0))); |
| 87 | |
| 88 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x3456, wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3))); |
| 89 | |
| 90 | vi0x0123 = vi0x4567; |
| 91 | vi1x0123 = vi1x4567; |
| 92 | vi2x0123 = vi2x4567; |
| 93 | |
| 94 | const v128_t vi0x5678 = wasm_v32x4_shuffle(vi0x4567, vi0x89AB, 1, 2, 3, 4); |
| 95 | const v128_t vi1x5678 = wasm_v32x4_shuffle(vi1x4567, vi1x89AB, 1, 2, 3, 4); |
| 96 | const v128_t vi2x5678 = wasm_v32x4_shuffle(vi2x4567, vi2x89AB, 1, 2, 3, 4); |
| 97 | |
| 98 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x5678, wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3))); |
| 99 | |
| 100 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x5678, wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2))); |
| 101 | |
| 102 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x5678, wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1))); |
| 103 | |
| 104 | vi0x4567 = vi0x89AB; |
| 105 | vi1x4567 = vi1x89AB; |
| 106 | vi2x4567 = vi2x89AB; |
| 107 | |
| 108 | |
| 109 | v128_t vo0 = wasm_v128_bitselect(vmin, vo0p0, wasm_f32x4_lt(vo0p0, vmin)); |
| 110 | vo0 = wasm_v128_bitselect(vo0, vmax, wasm_f32x4_le(vo0, vmax)); |
| 111 | |
| 112 | wasm_v128_store(o0, vo0); o0 += 4; |
| 113 | } |
| 114 | // Always process the last block of 1..4 pixels. |
| 115 | assert(w >= 1 * sizeof(float)); |
| 116 | assert(w <= 4 * sizeof(float)); |
| 117 | { |
| 118 | v128_t vo0p0 = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0); |
| 119 | |
| 120 | vi0x4567 = wasm_v128_and(vmask, vi0x4567); |
| 121 | vi1x4567 = wasm_v128_and(vmask, vi1x4567); |
| 122 | vi2x4567 = wasm_v128_and(vmask, vi2x4567); |
| 123 | |
| 124 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x4567, wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2))); |
| 125 | |
| 126 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x4567, wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1))); |
| 127 | |
| 128 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x4567, wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0))); |
| 129 | |
| 130 | const v128_t vi0x3456 = wasm_v32x4_shuffle(vi0x0123, vi0x4567, 3, 4, 5, 6); |
| 131 | const v128_t vi1x3456 = wasm_v32x4_shuffle(vi1x0123, vi1x4567, 3, 4, 5, 6); |
| 132 | const v128_t vi2x3456 = wasm_v32x4_shuffle(vi2x0123, vi2x4567, 3, 4, 5, 6); |
| 133 | |
| 134 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x3456, wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1))); |
| 135 | |
| 136 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x3456, wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0))); |
| 137 | |
| 138 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x3456, wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3))); |
| 139 | |
| 140 | const v128_t vi0x5678 = wasm_v32x4_shuffle(vi0x4567, vzero, 1, 2, 3, 4); |
| 141 | const v128_t vi1x5678 = wasm_v32x4_shuffle(vi1x4567, vzero, 1, 2, 3, 4); |
| 142 | const v128_t vi2x5678 = wasm_v32x4_shuffle(vi2x4567, vzero, 1, 2, 3, 4); |
| 143 | |
| 144 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x5678, wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3))); |
| 145 | |
| 146 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x5678, wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2))); |
| 147 | |
| 148 | vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x5678, wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1))); |
| 149 | |
| 150 | |
| 151 | v128_t vo0 = wasm_v128_bitselect(vmin, vo0p0, wasm_f32x4_lt(vo0p0, vmin)); |
| 152 | vo0 = wasm_v128_bitselect(vo0, vmax, wasm_f32x4_le(vo0, vmax)); |
| 153 | |
| 154 | if XNN_LIKELY(w == 4 * sizeof(float)) { |
| 155 | wasm_v128_store(o0, vo0); o0 += 4; |
| 156 | } else { |
| 157 | if (w & (2 * sizeof(float))) { |
| 158 | *((double*) o0) = wasm_f64x2_extract_lane(vo0, 0); o0 += 2; |
| 159 | |
| 160 | vo0 = wasm_v32x4_shuffle(vo0, vo0, 2, 3, 0, 1); |
| 161 | } |
| 162 | if (w & (1 * sizeof(float))) { |
| 163 | *o0 = wasm_f32x4_extract_lane(vo0, 0); o0 += 1; |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | i0 = (const float*) ((uintptr_t) i1 - input_decrement); |
| 169 | i1 = (const float*) ((uintptr_t) i2 - input_decrement); |
| 170 | i2 = (const float*) ((uintptr_t) i1 + input_width); |
| 171 | |
| 172 | |
| 173 | } while (--output_height != 0); |
| 174 | } |