AVX2 versions of QS8 VADD[C] microkernels
PiperOrigin-RevId: 330666026
diff --git a/src/qs8-vaddc/gen/minmax-avx2-mul32-ld64-x24.c b/src/qs8-vaddc/gen/minmax-avx2-mul32-ld64-x24.c
new file mode 100644
index 0000000..729963e
--- /dev/null
+++ b/src/qs8-vaddc/gen/minmax-avx2-mul32-ld64-x24.c
@@ -0,0 +1,104 @@
+// Auto-generated file. Do not edit!
+// Template: src/qs8-vaddc/avx2-mul32-ld64.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 <immintrin.h>
+
+#include <xnnpack/intrinsics-polyfill.h>
+#include <xnnpack/vadd.h>
+
+
+void xnn_qs8_vaddc_minmax_ukernel__avx2_mul32_ld64_x24(
+ size_t n,
+ const int8_t* input_x,
+ const int8_t* input_y,
+ int8_t* output,
+ const union xnn_qs8_add_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
+{
+ const __m256i vx_multiplier = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.x_multiplier));
+ const __m256i vremainder_mask = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.remainder_mask));
+ const __m256i vremainder_threshold = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.remainder_threshold));
+ const __m128i vshift = _mm_cvtsi32_si128((int) params->sse2.shift);
+ const __m256i voutput_zero_point = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_zero_point));
+ const __m256i voutput_min = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_min));
+ const __m256i voutput_max = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_max));
+
+ __m256i vzero_point_product = _mm256_broadcastsi128_si256(_mm_add_epi32(
+ _mm_broadcastd_epi32(_mm_cvtsi32_si128(params->sse2.y_multiplier[0] * (int32_t) *input_y)),
+ _mm_load_si128((const __m128i*) params->sse2.zero_point_product)));
+ for (; n >= 24 * sizeof(int8_t); n -= 24 * sizeof(int8_t)) {
+ const __m256i vx01234567 = _mm256_cvtepi8_epi32(_mm_loadl_epi64((const __m128i*) input_x));
+ const __m256i vx89ABCDEF = _mm256_cvtepi8_epi32(_mm_loadl_epi64((const __m128i*) (input_x + 8)));
+ const __m256i vxGHIJKLMN = _mm256_cvtepi8_epi32(_mm_loadl_epi64((const __m128i*) (input_x + 16)));
+ input_x += 24;
+
+ __m256i vacc01234567 = _mm256_add_epi32(vzero_point_product, _mm256_mullo_epi32(vx01234567, vx_multiplier));
+ __m256i vacc89ABCDEF = _mm256_add_epi32(vzero_point_product, _mm256_mullo_epi32(vx89ABCDEF, vx_multiplier));
+ __m256i vaccGHIJKLMN = _mm256_add_epi32(vzero_point_product, _mm256_mullo_epi32(vxGHIJKLMN, vx_multiplier));
+
+ const __m256i vrem01234567 = _mm256_add_epi32(_mm256_and_si256(vacc01234567, vremainder_mask), _mm256_srai_epi32(vacc01234567, 31));
+ const __m256i vrem89ABCDEF = _mm256_add_epi32(_mm256_and_si256(vacc89ABCDEF, vremainder_mask), _mm256_srai_epi32(vacc89ABCDEF, 31));
+ const __m256i vremGHIJKLMN = _mm256_add_epi32(_mm256_and_si256(vaccGHIJKLMN, vremainder_mask), _mm256_srai_epi32(vaccGHIJKLMN, 31));
+
+ vacc01234567 = _mm256_sub_epi32(_mm256_sra_epi32(vacc01234567, vshift), _mm256_cmpgt_epi32(vrem01234567, vremainder_threshold));
+ vacc89ABCDEF = _mm256_sub_epi32(_mm256_sra_epi32(vacc89ABCDEF, vshift), _mm256_cmpgt_epi32(vrem89ABCDEF, vremainder_threshold));
+ vaccGHIJKLMN = _mm256_sub_epi32(_mm256_sra_epi32(vaccGHIJKLMN, vshift), _mm256_cmpgt_epi32(vremGHIJKLMN, vremainder_threshold));
+
+ __m256i vout012389AB4567CDEF = _mm256_adds_epi16(_mm256_packs_epi32(vacc01234567, vacc89ABCDEF), voutput_zero_point);
+ __m128i voutGHIJKLMN = _mm_adds_epi16(_mm_packs_epi32(_mm256_castsi256_si128(vaccGHIJKLMN), _mm256_extracti128_si256(vaccGHIJKLMN, 1)), _mm256_castsi256_si128(voutput_zero_point));
+
+ vout012389AB4567CDEF = _mm256_min_epi16(_mm256_max_epi16(vout012389AB4567CDEF, voutput_min), voutput_max);
+ voutGHIJKLMN = _mm_min_epi16(_mm_max_epi16(voutGHIJKLMN, _mm256_castsi256_si128(voutput_min)), _mm256_castsi256_si128(voutput_max));
+
+ __m128i vout0123456789ABCDEF = _mm_shuffle_epi32(_mm_packs_epi16(_mm256_castsi256_si128(vout012389AB4567CDEF), _mm256_extracti128_si256(vout012389AB4567CDEF, 1)), _MM_SHUFFLE(3, 1, 2, 0));
+ __m128i voutGHIJKLMNGHIJKLMN = _mm_packs_epi16(voutGHIJKLMN, voutGHIJKLMN);
+
+ _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
+ _mm_storel_epi64((__m128i*) (output + 16), voutGHIJKLMNGHIJKLMN);
+ output += 24;
+ }
+ if XNN_UNLIKELY(n != 0) {
+ do {
+ const __m256i vx01234567 = _mm256_cvtepi8_epi32(_mm_loadl_epi64((const __m128i*) input_x));
+ input_x += 8;
+
+ __m256i vacc01234567 = _mm256_add_epi32(vzero_point_product, _mm256_mullo_epi32(vx01234567, vx_multiplier));
+
+ const __m256i vrem01234567 = _mm256_add_epi32(_mm256_and_si256(vacc01234567, vremainder_mask), _mm256_srai_epi32(vacc01234567, 31));
+
+ vacc01234567 = _mm256_sub_epi32(_mm256_sra_epi32(vacc01234567, vshift), _mm256_cmpgt_epi32(vrem01234567, vremainder_threshold));
+
+ __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(_mm256_castsi256_si128(vacc01234567), _mm256_extracti128_si256(vacc01234567, 1)), _mm256_castsi256_si128(voutput_zero_point));
+ vout01234567 = _mm_min_epi16(_mm_max_epi16(vout01234567, _mm256_castsi256_si128(voutput_min)), _mm256_castsi256_si128(voutput_max));
+ __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
+
+ if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
+ _mm_storel_epi64((__m128i*) output, vout0123456701234567);
+ output += 8;
+ n -= 8 * sizeof(int8_t);
+ } else {
+ if (n & (4 * sizeof(int8_t))) {
+ *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
+ vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
+ output += 4;
+ }
+ if (n & (2 * sizeof(int8_t))) {
+ *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
+ vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
+ output += 2;
+ }
+ if (n & (1 * sizeof(int8_t))) {
+ *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
+ }
+ n = 0;
+ }
+ } while (n != 0);
+ }
+}