Frank Barchard | df06d80 | 2019-11-20 15:53:46 -0800 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-gemm/neon-shuffle.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2019 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 | |
| 14 | #include <xnnpack/gemm.h> |
| 15 | |
| 16 | |
| 17 | void xnn_f32_gemm_ukernel_1x8s4__neonfma( |
| 18 | size_t mr, |
| 19 | size_t nc, |
| 20 | size_t kc, |
| 21 | const float* restrict a, |
| 22 | size_t a_stride, |
| 23 | const float* restrict w, |
| 24 | float* restrict c, |
| 25 | size_t cm_stride, |
| 26 | size_t cn_stride, |
| 27 | const union xnn_f32_output_params params[restrict static 1]) |
| 28 | { |
| 29 | assert(mr != 0); |
| 30 | assert(mr <= 1); |
| 31 | assert(nc != 0); |
| 32 | assert(kc != 0); |
| 33 | assert(kc % sizeof(float) == 0); |
| 34 | assert(a != NULL); |
| 35 | assert(w != NULL); |
| 36 | assert(c != NULL); |
| 37 | |
| 38 | const float* a0 = a; |
| 39 | float* c0 = c; |
| 40 | |
| 41 | do { |
| 42 | float32x4_t vacc0x0123 = vld1q_f32(w); w += 4; |
| 43 | float32x4_t vacc0x4567 = vld1q_f32(w); w += 4; |
| 44 | |
| 45 | size_t k = kc; |
| 46 | while (k >= 4 * sizeof(float)) { |
| 47 | float32x4_t va0 = vld1q_f32(a0); a0 += 4; |
| 48 | |
| 49 | |
| 50 | const float32x4_t vb0123c0 = vld1q_f32(w + 0); |
| 51 | const float32x4_t vb4567c0 = vld1q_f32(w + 4); |
| 52 | |
| 53 | vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c0); |
| 54 | vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c0); |
| 55 | |
| 56 | va0 = vextq_f32(va0, va0, 1); |
| 57 | |
| 58 | const float32x4_t vb0123c1 = vld1q_f32(w + 8); |
| 59 | const float32x4_t vb4567c1 = vld1q_f32(w + 12); |
| 60 | |
| 61 | vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c1); |
| 62 | vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c1); |
| 63 | |
| 64 | va0 = vextq_f32(va0, va0, 1); |
| 65 | |
| 66 | const float32x4_t vb0123c2 = vld1q_f32(w + 16); |
| 67 | const float32x4_t vb4567c2 = vld1q_f32(w + 20); |
| 68 | |
| 69 | vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c2); |
| 70 | vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c2); |
| 71 | |
| 72 | va0 = vextq_f32(va0, va0, 1); |
| 73 | |
| 74 | const float32x4_t vb0123c3 = vld1q_f32(w + 24); |
| 75 | const float32x4_t vb4567c3 = vld1q_f32(w + 28); |
| 76 | |
| 77 | vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c3); |
| 78 | vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c3); |
| 79 | |
| 80 | |
| 81 | w += 32; |
| 82 | k -= 4 * sizeof(float); |
| 83 | } |
| 84 | if XNN_UNLIKELY(k != 0) { |
| 85 | do { |
| 86 | const float32x4_t va0 = vld1q_dup_f32(a0); a0 += 1; |
| 87 | |
| 88 | const float32x4_t vb0123 = vld1q_f32(w); w += 4; |
| 89 | const float32x4_t vb4567 = vld1q_f32(w); w += 4; |
| 90 | |
| 91 | vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123); |
| 92 | vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567); |
| 93 | |
| 94 | k -= sizeof(float); |
| 95 | } while (k != 0); |
| 96 | } |
| 97 | const float32x4_t vmax = vld1q_dup_f32(¶ms->scalar.max); |
| 98 | vacc0x0123 = vminq_f32(vacc0x0123, vmax); |
| 99 | vacc0x4567 = vminq_f32(vacc0x4567, vmax); |
| 100 | |
| 101 | const float32x4_t vmin = vld1q_dup_f32(¶ms->scalar.min); |
| 102 | vacc0x0123 = vmaxq_f32(vacc0x0123, vmin); |
| 103 | vacc0x4567 = vmaxq_f32(vacc0x4567, vmin); |
| 104 | |
| 105 | if XNN_LIKELY(nc >= 8) { |
| 106 | vst1q_f32(c0, vacc0x0123); |
| 107 | vst1q_f32(c0 + 4, vacc0x4567); |
| 108 | c0 = (float*) ((uintptr_t) c0 + cn_stride); |
| 109 | |
| 110 | a0 = (const float*) ((uintptr_t) a0 - kc); |
| 111 | |
| 112 | nc -= 8; |
| 113 | |
| 114 | } else { |
| 115 | if (nc & 4) { |
| 116 | vst1q_f32(c0, vacc0x0123); c0 += 4; |
| 117 | |
| 118 | vacc0x0123 = vacc0x4567; |
| 119 | } |
| 120 | float32x2_t vacc0x01 = vget_low_f32(vacc0x0123); |
| 121 | if (nc & 2) { |
| 122 | vst1_f32(c0, vacc0x01); c0 += 2; |
| 123 | |
| 124 | vacc0x01 = vget_high_f32(vacc0x0123); |
| 125 | } |
| 126 | if (nc & 1) { |
| 127 | vst1_lane_f32(c0, vacc0x01, 0); |
| 128 | } |
| 129 | |
| 130 | nc = 0; |
| 131 | } |
| 132 | } while (nc != 0); |
| 133 | } |