Marat Dukhan | 7519eb1 | 2021-11-23 19:08:29 -0800 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/s8-ibilinear/sse.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 <emmintrin.h> |
| 13 | |
| 14 | #include <xnnpack/common.h> |
| 15 | #include <xnnpack/ibilinear.h> |
| 16 | |
| 17 | |
| 18 | void xnn_u8_ibilinear_ukernel__sse2_c8( |
| 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 | 7519eb1 | 2021-11-23 19:08:29 -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 | |
Alan Kelly | 0fd983b | 2021-12-22 00:43:44 -0800 | [diff] [blame] | 37 | const __m128i valpha = _mm_cvtsi32_si128(*((const int*) weights)); |
Marat Dukhan | 7519eb1 | 2021-11-23 19:08:29 -0800 | [diff] [blame] | 38 | weights += 2; |
| 39 | __m128i valphah = _mm_shufflelo_epi16(valpha, _MM_SHUFFLE(0, 0, 0, 0)); |
| 40 | valphah = _mm_unpacklo_epi64(valphah, valphah); |
| 41 | __m128i valphav = _mm_shufflelo_epi16(valpha, _MM_SHUFFLE(1, 1, 1, 1)); |
| 42 | valphav = _mm_unpacklo_epi64(valphav, valphav); |
| 43 | |
| 44 | valphah = _mm_xor_si128(valphah, _mm_set1_epi32(0xFFFF0000)); |
| 45 | valphah = _mm_add_epi16(valphah, _mm_set1_epi32(0x08010000)); |
| 46 | |
| 47 | const __m128i vrounding = _mm_set1_epi32(0x00200000); |
| 48 | |
| 49 | size_t c = channels; |
| 50 | for (; c >= 8 * sizeof(uint8_t); c -= 8 * sizeof(uint8_t)) { |
| 51 | __m128i vtl01234567 = _mm_loadl_epi64((const __m128i*) i0); |
| 52 | i0 += 8; |
| 53 | __m128i vtr01234567 = _mm_loadl_epi64((const __m128i*) i1); |
| 54 | i1 += 8; |
| 55 | __m128i vbl01234567 = _mm_loadl_epi64((const __m128i*) i2); |
| 56 | i2 += 8; |
| 57 | __m128i vbr01234567 = _mm_loadl_epi64((const __m128i*) i3); |
| 58 | i3 += 8; |
| 59 | |
| 60 | __m128i vzero = _mm_setzero_si128(); |
| 61 | vtl01234567 = _mm_unpacklo_epi8(vtl01234567, vzero); |
| 62 | vtr01234567 = _mm_unpacklo_epi8(vtr01234567, vzero); |
| 63 | vbl01234567 = _mm_unpacklo_epi8(vbl01234567, vzero); |
| 64 | vbr01234567 = _mm_unpacklo_epi8(vbr01234567, vzero); |
| 65 | |
| 66 | const __m128i vdr01234567 = _mm_sub_epi16(vbr01234567, vtr01234567); |
| 67 | const __m128i vt0123 = _mm_madd_epi16(_mm_unpacklo_epi16(vtr01234567, vtl01234567), valphah); |
| 68 | const __m128i vdl01234567 = _mm_sub_epi16(vbl01234567, vtl01234567); |
| 69 | const __m128i vt4567 = _mm_madd_epi16(_mm_unpackhi_epi16(vtr01234567, vtl01234567), valphah); |
| 70 | |
| 71 | const __m128i vd0123 = _mm_madd_epi16(_mm_unpacklo_epi16(vdr01234567, vdl01234567), valphah); |
| 72 | const __m128i vd4567 = _mm_madd_epi16(_mm_unpackhi_epi16(vdr01234567, vdl01234567), valphah); |
| 73 | |
| 74 | __m128i vacc0123 = _mm_slli_epi32(_mm_mulhi_epu16(vd0123, valphav), 16); |
| 75 | __m128i vacc4567 = _mm_slli_epi32(_mm_mulhi_epu16(vd4567, valphav), 16); |
| 76 | |
| 77 | vacc0123 = _mm_add_epi16(_mm_mullo_epi16(vd0123, valphav), vacc0123); |
| 78 | vacc4567 = _mm_add_epi16(_mm_mullo_epi16(vd4567, valphav), vacc4567); |
| 79 | |
| 80 | vacc0123 = _mm_add_epi32(_mm_slli_epi32(vt0123, 11), vacc0123); |
| 81 | vacc4567 = _mm_add_epi32(_mm_slli_epi32(vt4567, 11), vacc4567); |
| 82 | |
| 83 | vacc0123 = _mm_srli_epi32(_mm_add_epi16(vacc0123, vrounding), 22); |
| 84 | vacc4567 = _mm_srli_epi32(_mm_add_epi16(vacc4567, vrounding), 22); |
| 85 | |
| 86 | const __m128i vacc01234567 = _mm_packs_epi32(vacc0123, vacc4567); |
| 87 | |
| 88 | const __m128i vo01234567 = _mm_packus_epi16(vacc01234567, vacc01234567); |
| 89 | |
| 90 | _mm_storel_epi64((__m128i*) output, vo01234567); |
| 91 | output += 8; |
| 92 | } |
| 93 | if XNN_UNLIKELY(c != 0) { |
| 94 | __m128i vtl01234567 = _mm_loadl_epi64((const __m128i*) i0); |
| 95 | __m128i vtr01234567 = _mm_loadl_epi64((const __m128i*) i1); |
| 96 | __m128i vbl01234567 = _mm_loadl_epi64((const __m128i*) i2); |
| 97 | __m128i vbr01234567 = _mm_loadl_epi64((const __m128i*) i3); |
| 98 | |
| 99 | __m128i vzero = _mm_setzero_si128(); |
| 100 | vtl01234567 = _mm_unpacklo_epi8(vtl01234567, vzero); |
| 101 | vtr01234567 = _mm_unpacklo_epi8(vtr01234567, vzero); |
| 102 | vbl01234567 = _mm_unpacklo_epi8(vbl01234567, vzero); |
| 103 | vbr01234567 = _mm_unpacklo_epi8(vbr01234567, vzero); |
| 104 | |
| 105 | const __m128i vdr01234567 = _mm_sub_epi16(vbr01234567, vtr01234567); |
| 106 | const __m128i vt0123 = _mm_madd_epi16(_mm_unpacklo_epi16(vtr01234567, vtl01234567), valphah); |
| 107 | const __m128i vdl01234567 = _mm_sub_epi16(vbl01234567, vtl01234567); |
| 108 | const __m128i vt4567 = _mm_madd_epi16(_mm_unpackhi_epi16(vtr01234567, vtl01234567), valphah); |
| 109 | |
| 110 | const __m128i vd0123 = _mm_madd_epi16(_mm_unpacklo_epi16(vdr01234567, vdl01234567), valphah); |
| 111 | const __m128i vd4567 = _mm_madd_epi16(_mm_unpackhi_epi16(vdr01234567, vdl01234567), valphah); |
| 112 | |
| 113 | __m128i vacc0123 = _mm_slli_epi32(_mm_mulhi_epu16(vd0123, valphav), 16); |
| 114 | __m128i vacc4567 = _mm_slli_epi32(_mm_mulhi_epu16(vd4567, valphav), 16); |
| 115 | |
| 116 | vacc0123 = _mm_add_epi16(_mm_mullo_epi16(vd0123, valphav), vacc0123); |
| 117 | vacc4567 = _mm_add_epi16(_mm_mullo_epi16(vd4567, valphav), vacc4567); |
| 118 | |
| 119 | vacc0123 = _mm_add_epi32(_mm_slli_epi32(vt0123, 11), vacc0123); |
| 120 | vacc4567 = _mm_add_epi32(_mm_slli_epi32(vt4567, 11), vacc4567); |
| 121 | |
| 122 | vacc0123 = _mm_srli_epi32(_mm_add_epi16(vacc0123, vrounding), 22); |
| 123 | vacc4567 = _mm_srli_epi32(_mm_add_epi16(vacc4567, vrounding), 22); |
| 124 | |
| 125 | const __m128i vacc01234567 = _mm_packs_epi32(vacc0123, vacc4567); |
| 126 | |
| 127 | __m128i vo01234567 = _mm_packus_epi16(vacc01234567, vacc01234567); |
| 128 | |
| 129 | if (c & (4 * sizeof(uint8_t))) { |
| 130 | *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vo01234567); |
| 131 | output += 4; |
| 132 | vo01234567 = _mm_srli_epi64(vo01234567, 32); |
| 133 | } |
| 134 | uint32_t vo0123 = (uint32_t) _mm_cvtsi128_si32(vo01234567); |
| 135 | if (c & (2 * sizeof(uint8_t))) { |
| 136 | *((uint16_t*) output) = (uint16_t) vo0123; |
| 137 | output += 2; |
| 138 | vo0123 >>= 16; |
| 139 | } |
| 140 | if (c & (1 * sizeof(uint8_t))) { |
| 141 | *output++ = (uint8_t) vo0123; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | output = (uint8_t*) ((uintptr_t) output + output_increment); |
| 146 | } while (--output_pixels != 0); |
| 147 | } |