Marat Dukhan | 266a47b | 2021-11-24 13:58:12 -0800 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/s8-ibilinear/wasmsimd-dot16x2.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2021 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/common.h> |
| 15 | #include <xnnpack/ibilinear.h> |
| 16 | |
| 17 | |
| 18 | void xnn_u8_ibilinear_ukernel__wasmsimd_dot16x2_c16( |
| 19 | size_t output_pixels, |
| 20 | size_t channels, |
| 21 | const uint8_t**restrict input, |
| 22 | size_t input_offset, |
| 23 | const int16_t*restrict weights, |
| 24 | uint8_t*restrict output, |
Marat Dukhan | 7be427a | 2021-12-13 23:38:20 -0800 | [diff] [blame] | 25 | size_t output_increment) XNN_OOB_READS |
Marat Dukhan | 266a47b | 2021-11-24 13:58:12 -0800 | [diff] [blame] | 26 | { |
| 27 | assert(output_pixels != 0); |
| 28 | assert(channels != 0); |
| 29 | |
| 30 | do { |
| 31 | const uint8_t* i0 = (const uint8_t*) ((uintptr_t) input[0] + input_offset); |
| 32 | const uint8_t* i1 = (const uint8_t*) ((uintptr_t) input[1] + input_offset); |
| 33 | const uint8_t* i2 = (const uint8_t*) ((uintptr_t) input[2] + input_offset); |
| 34 | const uint8_t* i3 = (const uint8_t*) ((uintptr_t) input[3] + input_offset); |
| 35 | input += 4; |
| 36 | |
| 37 | const v128_t valphah = |
| 38 | wasm_i16x8_add( |
| 39 | wasm_v128_xor( |
| 40 | wasm_v128_load16_splat(weights), |
| 41 | wasm_i32x4_const_splat(0xFFFF0000)), |
| 42 | wasm_i32x4_const_splat(0x08010000)); |
| 43 | const v128_t valphav = wasm_i32x4_extend_low_i16x8(wasm_v128_load16_splat(weights + 1)); |
| 44 | weights += 2; |
| 45 | |
| 46 | const v128_t vrounding = wasm_i32x4_const_splat(0x00200000); |
| 47 | |
| 48 | size_t c = channels; |
| 49 | for (; c >= 16 * sizeof(uint8_t); c -= 16 * sizeof(uint8_t)) { |
| 50 | const v128_t vtl01234567 = wasm_u16x8_load8x8(i0); |
| 51 | const v128_t vtr01234567 = wasm_u16x8_load8x8(i1); |
| 52 | const v128_t vbl01234567 = wasm_u16x8_load8x8(i2); |
| 53 | const v128_t vbr01234567 = wasm_u16x8_load8x8(i3); |
| 54 | const v128_t vtl89ABCDEF = wasm_u16x8_load8x8(i0 + 8); |
| 55 | const v128_t vtr89ABCDEF = wasm_u16x8_load8x8(i1 + 8); |
| 56 | const v128_t vbl89ABCDEF = wasm_u16x8_load8x8(i2 + 8); |
| 57 | const v128_t vbr89ABCDEF = wasm_u16x8_load8x8(i3 + 8); |
| 58 | i0 += 16; |
| 59 | i1 += 16; |
| 60 | i2 += 16; |
| 61 | i3 += 16; |
| 62 | |
| 63 | const v128_t vdr01234567 = wasm_i16x8_sub(vbr01234567, vtr01234567); |
| 64 | const v128_t vt0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 65 | const v128_t vdl01234567 = wasm_i16x8_sub(vbl01234567, vtl01234567); |
| 66 | const v128_t vt4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 67 | const v128_t vdr89ABCDEF = wasm_i16x8_sub(vbr89ABCDEF, vtr89ABCDEF); |
| 68 | const v128_t vt89AB = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr89ABCDEF, vtl89ABCDEF, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 69 | const v128_t vdl89ABCDEF = wasm_i16x8_sub(vbl89ABCDEF, vtl89ABCDEF); |
| 70 | const v128_t vtCDEF = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr89ABCDEF, vtl89ABCDEF, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 71 | |
| 72 | const v128_t vd0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 73 | const v128_t vd4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 74 | const v128_t vd89AB = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr89ABCDEF, vdl89ABCDEF, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 75 | const v128_t vdCDEF = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr89ABCDEF, vdl89ABCDEF, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 76 | |
| 77 | v128_t vacc0123 = wasm_i32x4_mul(vd0123, valphav); |
| 78 | v128_t vacc4567 = wasm_i32x4_mul(vd4567, valphav); |
| 79 | v128_t vacc89AB = wasm_i32x4_mul(vd89AB, valphav); |
| 80 | v128_t vaccCDEF = wasm_i32x4_mul(vdCDEF, valphav); |
| 81 | |
| 82 | vacc0123 = wasm_i32x4_add(wasm_i32x4_shl(vt0123, 11), vacc0123); |
| 83 | vacc4567 = wasm_i32x4_add(wasm_i32x4_shl(vt4567, 11), vacc4567); |
| 84 | vacc89AB = wasm_i32x4_add(wasm_i32x4_shl(vt89AB, 11), vacc89AB); |
| 85 | vaccCDEF = wasm_i32x4_add(wasm_i32x4_shl(vtCDEF, 11), vaccCDEF); |
| 86 | |
| 87 | vacc0123 = wasm_u32x4_shr(wasm_i16x8_add(vacc0123, vrounding), 22); |
| 88 | vacc4567 = wasm_u32x4_shr(wasm_i16x8_add(vacc4567, vrounding), 22); |
| 89 | vacc89AB = wasm_u32x4_shr(wasm_i16x8_add(vacc89AB, vrounding), 22); |
| 90 | vaccCDEF = wasm_u32x4_shr(wasm_i16x8_add(vaccCDEF, vrounding), 22); |
| 91 | |
| 92 | const v128_t vacc01234567 = wasm_i16x8_narrow_i32x4(vacc0123, vacc4567); |
| 93 | const v128_t vacc89ABCDEF = wasm_i16x8_narrow_i32x4(vacc89AB, vaccCDEF); |
| 94 | |
| 95 | const v128_t vo0123456789ABCDEF = wasm_u8x16_narrow_i16x8(vacc01234567, vacc89ABCDEF); |
| 96 | |
| 97 | wasm_v128_store(output, vo0123456789ABCDEF); |
| 98 | output += 16; |
| 99 | } |
| 100 | for (; c >= 8 * sizeof(uint8_t); c -= 8 * sizeof(uint8_t)) { |
| 101 | const v128_t vtl01234567 = wasm_u16x8_load8x8(i0); |
| 102 | i0 += 8; |
| 103 | const v128_t vtr01234567 = wasm_u16x8_load8x8(i1); |
| 104 | i1 += 8; |
| 105 | const v128_t vbl01234567 = wasm_u16x8_load8x8(i2); |
| 106 | i2 += 8; |
| 107 | const v128_t vbr01234567 = wasm_u16x8_load8x8(i3); |
| 108 | i3 += 8; |
| 109 | |
| 110 | const v128_t vdr01234567 = wasm_i16x8_sub(vbr01234567, vtr01234567); |
| 111 | const v128_t vt0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 112 | const v128_t vdl01234567 = wasm_i16x8_sub(vbl01234567, vtl01234567); |
| 113 | const v128_t vt4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 114 | |
| 115 | const v128_t vd0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 116 | const v128_t vd4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 117 | |
| 118 | v128_t vacc0123 = wasm_i32x4_mul(vd0123, valphav); |
| 119 | v128_t vacc4567 = wasm_i32x4_mul(vd4567, valphav); |
| 120 | |
| 121 | vacc0123 = wasm_i32x4_add(wasm_i32x4_shl(vt0123, 11), vacc0123); |
| 122 | vacc4567 = wasm_i32x4_add(wasm_i32x4_shl(vt4567, 11), vacc4567); |
| 123 | |
| 124 | vacc0123 = wasm_u32x4_shr(wasm_i16x8_add(vacc0123, vrounding), 22); |
| 125 | vacc4567 = wasm_u32x4_shr(wasm_i16x8_add(vacc4567, vrounding), 22); |
| 126 | |
| 127 | const v128_t vacc01234567 = wasm_i16x8_narrow_i32x4(vacc0123, vacc4567); |
| 128 | |
| 129 | const v128_t vo01234567 = wasm_u8x16_narrow_i16x8(vacc01234567, vacc01234567); |
| 130 | |
| 131 | *((double*) output) = wasm_f64x2_extract_lane(vo01234567, 0); |
| 132 | output += 8; |
| 133 | } |
| 134 | if XNN_UNLIKELY(c != 0) { |
| 135 | const v128_t vtl01234567 = wasm_u16x8_load8x8(i0); |
| 136 | const v128_t vtr01234567 = wasm_u16x8_load8x8(i1); |
| 137 | const v128_t vbl01234567 = wasm_u16x8_load8x8(i2); |
| 138 | const v128_t vbr01234567 = wasm_u16x8_load8x8(i3); |
| 139 | |
| 140 | const v128_t vdr01234567 = wasm_i16x8_sub(vbr01234567, vtr01234567); |
| 141 | const v128_t vt0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 142 | const v128_t vdl01234567 = wasm_i16x8_sub(vbl01234567, vtl01234567); |
| 143 | const v128_t vt4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vtr01234567, vtl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 144 | |
| 145 | const v128_t vd0123 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 0, 8, 1, 9, 2, 10, 3, 11), valphah); |
| 146 | const v128_t vd4567 = wasm_i32x4_dot_i16x8(wasm_v16x8_shuffle(vdr01234567, vdl01234567, 4, 12, 5, 13, 6, 14, 7, 15), valphah); |
| 147 | |
| 148 | v128_t vacc0123 = wasm_i32x4_mul(vd0123, valphav); |
| 149 | v128_t vacc4567 = wasm_i32x4_mul(vd4567, valphav); |
| 150 | |
| 151 | vacc0123 = wasm_i32x4_add(wasm_i32x4_shl(vt0123, 11), vacc0123); |
| 152 | vacc4567 = wasm_i32x4_add(wasm_i32x4_shl(vt4567, 11), vacc4567); |
| 153 | |
| 154 | vacc0123 = wasm_u32x4_shr(wasm_i16x8_add(vacc0123, vrounding), 22); |
| 155 | vacc4567 = wasm_u32x4_shr(wasm_i16x8_add(vacc4567, vrounding), 22); |
| 156 | |
| 157 | const v128_t vacc01234567 = wasm_i16x8_narrow_i32x4(vacc0123, vacc4567); |
| 158 | |
| 159 | v128_t vo01234567 = wasm_u8x16_narrow_i16x8(vacc01234567, vacc01234567); |
| 160 | |
| 161 | if (c & (4 * sizeof(uint8_t))) { |
| 162 | *((float*) output) = wasm_f32x4_extract_lane(vo01234567, 0); |
| 163 | output += 4; |
| 164 | vo01234567 = wasm_u64x2_shr(vo01234567, 32); |
| 165 | } |
| 166 | uint32_t vo0123 = (uint32_t) wasm_i32x4_extract_lane(vo01234567, 0); |
| 167 | if (c & (2 * sizeof(uint8_t))) { |
| 168 | *((uint16_t*) output) = (uint16_t) vo0123; |
| 169 | output += 2; |
| 170 | vo0123 >>= 16; |
| 171 | } |
| 172 | if (c & (1 * sizeof(uint8_t))) { |
| 173 | *output++ = (uint8_t) vo0123; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | output = (uint8_t*) ((uintptr_t) output + output_increment); |
| 178 | } while (--output_pixels != 0); |
| 179 | } |