| // Auto-generated file. Do not edit! |
| // Template: src/f32-dwconv2d-chw/3x3s2p1-wasmsimd-loadsplat.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2020 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <wasm_simd128.h> |
| |
| #include <xnnpack/dwconv.h> |
| #include <xnnpack/math.h> |
| |
| |
| |
| void xnn_f32_dwconv2d_chw_ukernel_3x3s2p1__wasmsimd_x86_loadsplat_1x4_acc2( |
| size_t input_height, |
| size_t input_width, |
| const float* input, |
| const float* weights, |
| const float* zero, |
| float* output, |
| uint32_t padding_top, |
| const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(input_height != 0); |
| assert(input_width != 0); |
| assert(input_width % sizeof(float) == 0); |
| assert(padding_top >= 0); |
| assert(padding_top <= 1); |
| |
| const v128_t vmask_even = wasm_v128_load(params->scalar.mask_even); |
| const v128_t vmask_odd = wasm_v128_load(params->scalar.mask_odd); |
| const v128_t vmax = wasm_v128_load32_splat(¶ms->scalar.max); |
| const v128_t vmin = wasm_v128_load32_splat(¶ms->scalar.min); |
| |
| const v128_t vw0123 = wasm_v128_load(weights); |
| const v128_t vw4567 = wasm_v128_load(weights + 4); |
| const v128_t vw89 = wasm_v128_load64_splat(weights + 8); |
| const v128_t vbias = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0); |
| const v128_t vk00 = wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1); |
| const v128_t vk01 = wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2); |
| const v128_t vk02 = wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3); |
| const v128_t vk10 = wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0); |
| const v128_t vk11 = wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1); |
| const v128_t vk12 = wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2); |
| const v128_t vk20 = wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3); |
| const v128_t vk21 = wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0); |
| const v128_t vk22 = wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1); |
| |
| const size_t input_decrement = round_down_po2(input_width, 4 /* SIMD output width */ * 2 /* subsampling */ * sizeof(float)); |
| |
| const float* i0 = (const float*) ((uintptr_t) input - ((-padding_top) & input_width)); |
| const float* i1 = (const float*) ((uintptr_t) i0 + input_width); |
| if XNN_UNPREDICTABLE(padding_top != 0) { |
| i0 = zero; |
| } |
| const float* i2 = (const float*) ((uintptr_t) i1 + input_width); |
| |
| float* o0 = output; |
| |
| size_t padded_input_height = input_height + padding_top + 1 /* padding bottom */; |
| size_t output_height = (padded_input_height - 3 /* kernel size */ + 2 /* subsampling */) / 2; |
| do { |
| if XNN_UNPREDICTABLE(padded_input_height < 4) { |
| i2 = zero; |
| } |
| |
| v128_t vi0x1357 = wasm_f32x4_const_splat(0.0f); |
| v128_t vi1x1357 = wasm_f32x4_const_splat(0.0f); |
| v128_t vi2x1357 = wasm_f32x4_const_splat(0.0f); |
| |
| size_t w = input_width; |
| for (; w >= 8 * sizeof(float); w -= 8 * sizeof(float)) { |
| v128_t vo0p0 = vbias; |
| |
| const v128_t vi0x89AB = wasm_v128_load(i0); |
| const v128_t vi0xCDEF = wasm_v128_load(i0 + 4); |
| i0 += 8; |
| const v128_t vi1x89AB = wasm_v128_load(i1); |
| const v128_t vi1xCDEF = wasm_v128_load(i1 + 4); |
| i1 += 8; |
| const v128_t vi2x89AB = wasm_v128_load(i2); |
| const v128_t vi2xCDEF = wasm_v128_load(i2 + 4); |
| i2 += 8; |
| |
| const v128_t vi0x8ACE = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6); |
| const v128_t vi0x9BDF = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7); |
| const v128_t vi1x8ACE = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6); |
| const v128_t vi1x9BDF = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7); |
| const v128_t vi2x8ACE = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6); |
| const v128_t vi2x9BDF = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7); |
| |
| v128_t vo0p1 = wasm_f32x4_mul(vi0x8ACE, vk01); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21)); |
| |
| const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6); |
| vi0x1357 = vi0x9BDF; |
| const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6); |
| vi1x1357 = vi1x9BDF; |
| const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6); |
| vi2x1357 = vi2x9BDF; |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi0x7BDF, vk00)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10)); |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi2x7BDF, vk20)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02)); |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi1x9BDF, vk12)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, vo0p1); |
| |
| v128_t vo0 = wasm_f32x4_pmax(vmin, vo0p0); |
| vo0 = wasm_f32x4_pmin(vmax, vo0); |
| |
| wasm_v128_store(o0, vo0); o0 += 4; |
| } |
| // Last block has 0-7 pixels to process. |
| assert(w < 8 * sizeof(float)); |
| if XNN_LIKELY(w != 0) { |
| v128_t vo0p0 = vbias; |
| |
| const v128_t vi0x89AB = wasm_v128_load(i0); |
| const v128_t vi0xCDEF = wasm_v128_load(i0 + 4); |
| const v128_t vi1x89AB = wasm_v128_load(i1); |
| const v128_t vi1xCDEF = wasm_v128_load(i1 + 4); |
| const v128_t vi2x89AB = wasm_v128_load(i2); |
| const v128_t vi2xCDEF = wasm_v128_load(i2 + 4); |
| |
| const v128_t vi0x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6)); |
| const v128_t vi0x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7)); |
| const v128_t vi1x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6)); |
| const v128_t vi1x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7)); |
| const v128_t vi2x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6)); |
| const v128_t vi2x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7)); |
| |
| v128_t vo0p1 = wasm_f32x4_mul(vi0x8ACE, vk01); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21)); |
| |
| const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6); |
| const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6); |
| const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6); |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi0x7BDF, vk00)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10)); |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi2x7BDF, vk20)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02)); |
| |
| vo0p1 = wasm_f32x4_add(vo0p1, wasm_f32x4_mul(vi1x9BDF, vk12)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22)); |
| |
| vo0p0 = wasm_f32x4_add(vo0p0, vo0p1); |
| |
| v128_t vo0 = wasm_f32x4_pmax(vmin, vo0p0); |
| vo0 = wasm_f32x4_pmin(vmax, vo0); |
| |
| w += 1 * sizeof(float); |
| if (w & (8 * sizeof(float))) { |
| wasm_v128_store(o0, vo0); o0 += 4; |
| } else { |
| if (w & (4 * sizeof(float))) { |
| *((double*) o0) = wasm_f64x2_extract_lane(vo0, 0); o0 += 2; |
| |
| vo0 = wasm_v32x4_shuffle(vo0, vo0, 2, 3, 0, 1); |
| } |
| if (w & (2 * sizeof(float))) { |
| *o0 = wasm_f32x4_extract_lane(vo0, 0); o0 += 1; |
| } |
| } |
| } |
| |
| i0 = (const float*) ((uintptr_t) i2 - input_decrement); |
| i1 = (const float*) ((uintptr_t) i0 + input_width); |
| i2 = (const float*) ((uintptr_t) i1 + input_width); |
| |
| |
| output_height -= 1; |
| padded_input_height -= 2; |
| } while (output_height != 0); |
| } |