| // Auto-generated file. Do not edit! |
| // Template: src/qs8-gemm/MRx4c2-sse.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 <emmintrin.h> |
| |
| #include <xnnpack/gemm.h> |
| #include <xnnpack/math.h> |
| |
| |
| |
| void xnn_qu8_gemm_minmax_fp32_ukernel_1x4c2__sse2_ld64( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| const uint8_t* restrict a, |
| size_t a_stride, |
| const void* restrict w, |
| uint8_t* restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| { |
| assert(mr != 0); |
| assert(mr <= 1); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(kc % sizeof(uint8_t) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| kc = round_up_po2(kc, 2); |
| const uint8_t* a0 = a; |
| uint8_t* c0 = c; |
| |
| do { |
| __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w); |
| w = (const void*) ((const int32_t*) w + 4); |
| |
| size_t k = kc; |
| const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point); |
| const __m128i vzero = _mm_setzero_si128(); |
| while (k >= 8 * sizeof(uint8_t)) { |
| const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0); |
| const __m128i vxa0 = _mm_unpacklo_epi8(va0, vzero); |
| a0 += 8; |
| |
| const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w); |
| const __m128i vxb0 = _mm_sub_epi16(_mm_unpacklo_epi8(vb0, vzero), vb_zero_point); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0)); |
| const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 8)); |
| const __m128i vxb1 = _mm_sub_epi16(_mm_unpacklo_epi8(vb1, vzero), vb_zero_point); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1)); |
| const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 16)); |
| const __m128i vxb2 = _mm_sub_epi16(_mm_unpacklo_epi8(vb2, vzero), vb_zero_point); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2)); |
| const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 24)); |
| const __m128i vxb3 = _mm_sub_epi16(_mm_unpacklo_epi8(vb3, vzero), vb_zero_point); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3)); |
| |
| w = (const void*) ((const uint8_t*) w + 32); |
| k -= 8 * sizeof(uint8_t); |
| } |
| if (k != 0) { |
| const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0); |
| const __m128i vxa0 = _mm_unpacklo_epi8(va0, vzero); |
| a0 = (const uint8_t*) ((uintptr_t) a0 + k); |
| |
| const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w); |
| const __m128i vxb0 = _mm_sub_epi16(_mm_unpacklo_epi8(vb0, vzero), vb_zero_point); |
| w = (const void*) ((const uint8_t*) w + 8); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0)); |
| |
| if (k > 2 * sizeof(uint8_t)) { |
| const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w); |
| const __m128i vxb1 = _mm_sub_epi16(_mm_unpacklo_epi8(vb1, vzero), vb_zero_point); |
| w = (const void*) ((const uint8_t*) w + 8); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1)); |
| |
| if (k > 4 * sizeof(uint8_t)) { |
| const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w); |
| const __m128i vxb2 = _mm_sub_epi16(_mm_unpacklo_epi8(vb2, vzero), vb_zero_point); |
| w = (const void*) ((const uint8_t*) w + 8); |
| |
| vacc0x0123 = _mm_add_epi32(vacc0x0123, |
| _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2)); |
| } |
| } |
| } |
| |
| __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123); |
| |
| const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale); |
| vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale); |
| |
| vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123); |
| |
| const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point); |
| __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point); |
| |
| __m128i vout = _mm_packus_epi16(vacc00x0123, vacc00x0123); |
| |
| vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min)); |
| vout = _mm_min_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_max)); |
| |
| if (nc >= 4) { |
| *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout); |
| |
| c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride); |
| |
| a0 = (const uint8_t*) ((uintptr_t) a0 - kc); |
| |
| nc -= 4; |
| } else { |
| if (nc & 2) { |
| *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0); |
| c0 += 2; |
| vout = _mm_srli_epi32(vout, 16); |
| } |
| if (nc & 1) { |
| *c0 = (uint8_t) _mm_cvtsi128_si32(vout); |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |