Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/qs8-igemm/c2-neon-mull-padal-dup.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 <arm_neon.h> |
| 13 | |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 14 | #include <xnnpack/gemm.h> |
Frank Barchard | 6d8ca7d | 2021-03-01 11:05:08 -0800 | [diff] [blame] | 15 | #include <xnnpack/math.h> |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 16 | |
| 17 | |
Marat Dukhan | b07c26a | 2021-05-24 19:44:51 -0700 | [diff] [blame] | 18 | void xnn_qs8_igemm_minmax_gemmlowp_ukernel_2x8c2__neon_mlal_padal_dup( |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 19 | size_t mr, |
| 20 | size_t nc, |
| 21 | size_t kc, |
| 22 | size_t ks, |
| 23 | const int8_t** restrict a, |
| 24 | const void* restrict w, |
| 25 | int8_t* restrict c, |
| 26 | size_t cm_stride, |
| 27 | size_t cn_stride, |
| 28 | size_t a_offset, |
| 29 | const int8_t* zero, |
Marat Dukhan | e3d17bf | 2021-05-24 22:22:43 -0700 | [diff] [blame] | 30 | const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 31 | { |
| 32 | assert(mr != 0); |
| 33 | assert(mr <= 2); |
| 34 | assert(nc != 0); |
| 35 | assert(kc != 0); |
| 36 | assert(ks != 0); |
| 37 | assert(ks % (2 * sizeof(void*)) == 0); |
| 38 | assert(a_offset % sizeof(int8_t) == 0); |
| 39 | assert(a != NULL); |
| 40 | assert(w != NULL); |
| 41 | assert(c != NULL); |
| 42 | |
Marat Dukhan | 3357d9d | 2021-06-25 15:22:30 -0700 | [diff] [blame^] | 43 | kc = round_up_po2(kc, 2 * sizeof(int8_t)); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 44 | int8_t* c0 = c; |
| 45 | int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| 46 | if XNN_UNPREDICTABLE(mr != 2) { |
| 47 | c1 = c0; |
| 48 | } |
| 49 | |
| 50 | do { |
| 51 | int32x4_t vacc0x0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t)); |
| 52 | int32x4_t vacc0x4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t)); |
| 53 | int32x4_t vacc1x0123 = vacc0x0123; |
| 54 | int32x4_t vacc1x4567 = vacc0x4567; |
| 55 | |
| 56 | size_t p = ks; |
| 57 | do { |
| 58 | const int8_t* restrict a0 = a[0]; |
| 59 | if XNN_UNPREDICTABLE(a0 != zero) { |
| 60 | a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| 61 | } |
| 62 | const int8_t* restrict a1 = a[1]; |
| 63 | if XNN_UNPREDICTABLE(a1 != zero) { |
| 64 | a1 = (const int8_t*) ((uintptr_t) a1 + a_offset); |
| 65 | } |
| 66 | a += 2; |
| 67 | |
| 68 | size_t k = kc; |
| 69 | |
| 70 | while (k >= 16 * sizeof(int8_t)) { |
| 71 | const int8x8_t va0x0 = vld1_s8(a0); a0 += 8; |
| 72 | const int8x8_t va0x1 = vld1_s8(a0); a0 += 8; |
| 73 | const int8x8_t va1x0 = vld1_s8(a1); a1 += 8; |
| 74 | const int8x8_t va1x1 = vld1_s8(a1); a1 += 8; |
| 75 | |
| 76 | const int8x8_t vb0123c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 77 | const int8x8_t vb4567c0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 78 | const int8x8_t vb0123c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 79 | const int8x8_t vb4567c1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 80 | const int8x8_t vb0123c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 81 | const int8x8_t vb4567c2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 82 | const int8x8_t vb0123c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 83 | const int8x8_t vb4567c3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 84 | |
| 85 | int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 0))); |
| 86 | int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 0))); |
| 87 | const int8x8_t vb0123c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 88 | vprod0x0123c0 = vmlal_s8(vprod0x0123c0, vb0123c0x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 0))); |
| 89 | vprod1x0123c0 = vmlal_s8(vprod1x0123c0, vb0123c0x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 0))); |
| 90 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0); |
| 91 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0); |
| 92 | int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 0))); |
| 93 | int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 0))); |
| 94 | const int8x8_t vb4567c0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 95 | vprod0x4567c0 = vmlal_s8(vprod0x4567c0, vb4567c0x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 0))); |
| 96 | vprod1x4567c0 = vmlal_s8(vprod1x4567c0, vb4567c0x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 0))); |
| 97 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0); |
| 98 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0); |
| 99 | int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 1))); |
| 100 | int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 1))); |
| 101 | const int8x8_t vb0123c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 102 | vprod0x0123c1 = vmlal_s8(vprod0x0123c1, vb0123c1x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 1))); |
| 103 | vprod1x0123c1 = vmlal_s8(vprod1x0123c1, vb0123c1x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 1))); |
| 104 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1); |
| 105 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1); |
| 106 | int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 1))); |
| 107 | int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 1))); |
| 108 | const int8x8_t vb4567c1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 109 | vprod0x4567c1 = vmlal_s8(vprod0x4567c1, vb4567c1x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 1))); |
| 110 | vprod1x4567c1 = vmlal_s8(vprod1x4567c1, vb4567c1x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 1))); |
| 111 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1); |
| 112 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1); |
| 113 | int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 2))); |
| 114 | int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 2))); |
| 115 | const int8x8_t vb0123c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 116 | vprod0x0123c2 = vmlal_s8(vprod0x0123c2, vb0123c2x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 2))); |
| 117 | vprod1x0123c2 = vmlal_s8(vprod1x0123c2, vb0123c2x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 2))); |
| 118 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2); |
| 119 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2); |
| 120 | int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 2))); |
| 121 | int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 2))); |
| 122 | const int8x8_t vb4567c2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 123 | vprod0x4567c2 = vmlal_s8(vprod0x4567c2, vb4567c2x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 2))); |
| 124 | vprod1x4567c2 = vmlal_s8(vprod1x4567c2, vb4567c2x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 2))); |
| 125 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2); |
| 126 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2); |
| 127 | int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 3))); |
| 128 | int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 3))); |
| 129 | const int8x8_t vb0123c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 130 | vprod0x0123c3 = vmlal_s8(vprod0x0123c3, vb0123c3x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 3))); |
| 131 | vprod1x0123c3 = vmlal_s8(vprod1x0123c3, vb0123c3x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 3))); |
| 132 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3); |
| 133 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3); |
| 134 | int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x0), 3))); |
| 135 | int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3x0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x0), 3))); |
| 136 | const int8x8_t vb4567c3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 137 | vprod0x4567c3 = vmlal_s8(vprod0x4567c3, vb4567c3x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0x1), 3))); |
| 138 | vprod1x4567c3 = vmlal_s8(vprod1x4567c3, vb4567c3x1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1x1), 3))); |
| 139 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3); |
| 140 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3); |
| 141 | |
| 142 | k -= 16 * sizeof(int8_t); |
| 143 | } |
| 144 | |
| 145 | if (k >= 8 * sizeof(int8_t)) { |
| 146 | const int8x8_t va0 = vld1_s8(a0); a0 += 8; |
| 147 | const int8x8_t va1 = vld1_s8(a1); a1 += 8; |
| 148 | |
| 149 | const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 150 | const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 151 | const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 152 | const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 153 | const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 154 | const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 155 | const int8x8_t vb0123c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 156 | const int8x8_t vb4567c3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 157 | |
| 158 | const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0))); |
| 159 | const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1))); |
| 160 | const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2))); |
| 161 | const int16x8_t vprod0x0123c3 = vmull_s8(vb0123c3, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 3))); |
| 162 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0); |
| 163 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1); |
| 164 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2); |
| 165 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c3); |
| 166 | const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0))); |
| 167 | const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1))); |
| 168 | const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2))); |
| 169 | const int16x8_t vprod0x4567c3 = vmull_s8(vb4567c3, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 3))); |
| 170 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0); |
| 171 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1); |
| 172 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2); |
| 173 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c3); |
| 174 | const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0))); |
| 175 | const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1))); |
| 176 | const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2))); |
| 177 | const int16x8_t vprod1x0123c3 = vmull_s8(vb0123c3, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 3))); |
| 178 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0); |
| 179 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1); |
| 180 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2); |
| 181 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c3); |
| 182 | const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0))); |
| 183 | const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1))); |
| 184 | const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2))); |
| 185 | const int16x8_t vprod1x4567c3 = vmull_s8(vb4567c3, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 3))); |
| 186 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0); |
| 187 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1); |
| 188 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2); |
| 189 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c3); |
| 190 | |
| 191 | k -= 8 * sizeof(int8_t); |
| 192 | } |
| 193 | |
| 194 | if XNN_UNLIKELY(k != 0) { |
| 195 | const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k); |
| 196 | const int8x8_t va1 = vld1_s8(a1); a1 = (const int8_t*) ((uintptr_t) a1 + k); |
| 197 | |
| 198 | const int8x8_t vb0123c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 199 | const int8x8_t vb4567c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 200 | |
| 201 | const int16x8_t vprod0x0123c0 = vmull_s8(vb0123c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0))); |
| 202 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c0); |
| 203 | const int16x8_t vprod0x4567c0 = vmull_s8(vb4567c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 0))); |
| 204 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c0); |
| 205 | const int16x8_t vprod1x0123c0 = vmull_s8(vb0123c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0))); |
| 206 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c0); |
| 207 | const int16x8_t vprod1x4567c0 = vmull_s8(vb4567c0, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 0))); |
| 208 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c0); |
| 209 | |
| 210 | if (k > 2 * sizeof(int8_t)) { |
| 211 | const int8x8_t vb0123c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 212 | const int8x8_t vb4567c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 213 | |
| 214 | const int16x8_t vprod0x0123c1 = vmull_s8(vb0123c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1))); |
| 215 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c1); |
| 216 | const int16x8_t vprod0x4567c1 = vmull_s8(vb4567c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 1))); |
| 217 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c1); |
| 218 | const int16x8_t vprod1x0123c1 = vmull_s8(vb0123c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1))); |
| 219 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c1); |
| 220 | const int16x8_t vprod1x4567c1 = vmull_s8(vb4567c1, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 1))); |
| 221 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c1); |
| 222 | |
| 223 | if (k > 4 * sizeof(int8_t)) { |
| 224 | const int8x8_t vb0123c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 225 | const int8x8_t vb4567c2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 226 | |
| 227 | const int16x8_t vprod0x0123c2 = vmull_s8(vb0123c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2))); |
| 228 | vacc0x0123 = vpadalq_s16(vacc0x0123, vprod0x0123c2); |
| 229 | const int16x8_t vprod0x4567c2 = vmull_s8(vb4567c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va0), 2))); |
| 230 | vacc0x4567 = vpadalq_s16(vacc0x4567, vprod0x4567c2); |
| 231 | const int16x8_t vprod1x0123c2 = vmull_s8(vb0123c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2))); |
| 232 | vacc1x0123 = vpadalq_s16(vacc1x0123, vprod1x0123c2); |
| 233 | const int16x8_t vprod1x4567c2 = vmull_s8(vb4567c2, vreinterpret_s8_s16(vdup_lane_s16(vreinterpret_s16_s8(va1), 2))); |
| 234 | vacc1x4567 = vpadalq_s16(vacc1x4567, vprod1x4567c2); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 235 | } |
| 236 | } |
| 237 | } |
| 238 | p -= 2 * sizeof(void*); |
| 239 | } while (p != 0); |
| 240 | |
Marat Dukhan | 9b474cf | 2021-05-25 16:37:48 -0700 | [diff] [blame] | 241 | const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->gemmlowp_neon.multiplier); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 242 | vacc0x0123 = vqrdmulhq_s32(vacc0x0123, vmultiplier); |
| 243 | vacc0x4567 = vqrdmulhq_s32(vacc0x4567, vmultiplier); |
| 244 | vacc1x0123 = vqrdmulhq_s32(vacc1x0123, vmultiplier); |
| 245 | vacc1x4567 = vqrdmulhq_s32(vacc1x4567, vmultiplier); |
| 246 | |
Marat Dukhan | 9b474cf | 2021-05-25 16:37:48 -0700 | [diff] [blame] | 247 | const int32x4_t vright_shift = vld1q_dup_s32(¶ms->gemmlowp_neon.right_shift); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 248 | const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0))); |
| 249 | vacc0x0123 = vsraq_n_s32(vacc0x0123, vbicq_s32(vacc0x0123, vzero_shift_mask), 31); |
| 250 | vacc0x4567 = vsraq_n_s32(vacc0x4567, vbicq_s32(vacc0x4567, vzero_shift_mask), 31); |
| 251 | vacc1x0123 = vsraq_n_s32(vacc1x0123, vbicq_s32(vacc1x0123, vzero_shift_mask), 31); |
| 252 | vacc1x4567 = vsraq_n_s32(vacc1x4567, vbicq_s32(vacc1x4567, vzero_shift_mask), 31); |
| 253 | |
| 254 | vacc0x0123 = vrshlq_s32(vacc0x0123, vright_shift); |
| 255 | vacc0x4567 = vrshlq_s32(vacc0x4567, vright_shift); |
| 256 | vacc1x0123 = vrshlq_s32(vacc1x0123, vright_shift); |
| 257 | vacc1x4567 = vrshlq_s32(vacc1x4567, vright_shift); |
| 258 | |
Marat Dukhan | 9b474cf | 2021-05-25 16:37:48 -0700 | [diff] [blame] | 259 | const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->gemmlowp_neon.output_zero_point); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 260 | #if XNN_ARCH_ARM64 |
| 261 | const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point); |
| 262 | const int16x8_t vacc1x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc1x0123), vacc1x4567), voutput_zero_point); |
| 263 | |
| 264 | int8x16_t vout0x01234567_1x01234567 = vqmovn_high_s16(vqmovn_s16(vacc0x01234567), vacc1x01234567); |
| 265 | #else |
| 266 | const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point); |
| 267 | const int16x8_t vacc1x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc1x0123), vqmovn_s32(vacc1x4567)), voutput_zero_point); |
| 268 | |
| 269 | int8x16_t vout0x01234567_1x01234567 = vcombine_s8(vqmovn_s16(vacc0x01234567), vqmovn_s16(vacc1x01234567)); |
| 270 | #endif |
Marat Dukhan | 9b474cf | 2021-05-25 16:37:48 -0700 | [diff] [blame] | 271 | const int8x16_t voutput_min = vld1q_dup_s8(¶ms->gemmlowp_neon.output_min); |
| 272 | const int8x16_t voutput_max = vld1q_dup_s8(¶ms->gemmlowp_neon.output_max); |
Frank Barchard | 6fa8078 | 2021-02-15 16:18:26 -0800 | [diff] [blame] | 273 | |
| 274 | vout0x01234567_1x01234567 = vmaxq_s8(vout0x01234567_1x01234567, voutput_min); |
| 275 | |
| 276 | vout0x01234567_1x01234567 = vminq_s8(vout0x01234567_1x01234567, voutput_max); |
| 277 | |
| 278 | if (nc >= 8) { |
| 279 | vst1_s8(c1 + 0, vget_high_s8(vout0x01234567_1x01234567)); |
| 280 | vst1_s8(c0 + 0, vget_low_s8(vout0x01234567_1x01234567)); |
| 281 | |
| 282 | c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| 283 | c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| 284 | |
| 285 | a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| 286 | |
| 287 | nc -= 8; |
| 288 | } else { |
| 289 | if (nc & 4) { |
| 290 | vst1q_lane_u32(__builtin_assume_aligned(c1, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 2); c1 += 4; |
| 291 | vst1q_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpretq_u32_s8(vout0x01234567_1x01234567), 0); c0 += 4; |
| 292 | vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 4); |
| 293 | } |
| 294 | if (nc & 2) { |
| 295 | vst1q_lane_u16(__builtin_assume_aligned(c1, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 4); c1 += 2; |
| 296 | vst1q_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpretq_u16_s8(vout0x01234567_1x01234567), 0); c0 += 2; |
| 297 | vout0x01234567_1x01234567 = vextq_s8(vout0x01234567_1x01234567, vout0x01234567_1x01234567, 2); |
| 298 | } |
| 299 | if (nc & 1) { |
| 300 | vst1q_lane_s8(c1, vout0x01234567_1x01234567, 8); |
| 301 | vst1q_lane_s8(c0, vout0x01234567_1x01234567, 0); |
| 302 | } |
| 303 | |
| 304 | nc = 0; |
| 305 | } |
| 306 | } while (nc != 0); |
| 307 | } |