| // Auto-generated file. Do not edit! |
| // Template: src/qs8-f32-vcvt/avx.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 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/common.h> |
| #include <xnnpack/intrinsics-polyfill.h> |
| #include <xnnpack/vcvt.h> |
| |
| |
| void xnn_qu8_f32_vcvt_ukernel__avx_x24( |
| size_t n, |
| const uint8_t* x, |
| float* y, |
| const union xnn_qu8_f32_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(n != 0); |
| assert(n % sizeof(uint8_t) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const __m128i vminus_zero_point = _mm_load_si128((const __m128i*) params->avx.minus_zero_point); |
| const __m256 vscale = _mm256_load_ps(params->avx.scale); |
| for (; n >= 24 * sizeof(uint8_t); n -= 24 * sizeof(uint8_t)) { |
| __m128i vx0123 = _mm_cvtepu8_epi32(_mm_loadu_si32(x)); |
| __m128i vx4567 = _mm_cvtepu8_epi32(_mm_loadu_si32(x + 4)); |
| __m128i vx89AB = _mm_cvtepu8_epi32(_mm_loadu_si32(x + 8)); |
| __m128i vxCDEF = _mm_cvtepu8_epi32(_mm_loadu_si32(x + 12)); |
| __m128i vxGHIJ = _mm_cvtepu8_epi32(_mm_loadu_si32(x + 16)); |
| __m128i vxKLMN = _mm_cvtepu8_epi32(_mm_loadu_si32(x + 20)); |
| x += 24; |
| |
| vx0123 = _mm_add_epi32(vx0123, vminus_zero_point); |
| vx4567 = _mm_add_epi32(vx4567, vminus_zero_point); |
| vx89AB = _mm_add_epi32(vx89AB, vminus_zero_point); |
| vxCDEF = _mm_add_epi32(vxCDEF, vminus_zero_point); |
| vxGHIJ = _mm_add_epi32(vxGHIJ, vminus_zero_point); |
| vxKLMN = _mm_add_epi32(vxKLMN, vminus_zero_point); |
| |
| const __m256i vx01234567 = _mm256_insertf128_si256(_mm256_castsi128_si256(vx0123), vx4567, 1); |
| const __m256i vx89ABCDEF = _mm256_insertf128_si256(_mm256_castsi128_si256(vx89AB), vxCDEF, 1); |
| const __m256i vxGHIJKLMN = _mm256_insertf128_si256(_mm256_castsi128_si256(vxGHIJ), vxKLMN, 1); |
| |
| __m256 vy01234567 = _mm256_cvtepi32_ps(vx01234567); |
| __m256 vy89ABCDEF = _mm256_cvtepi32_ps(vx89ABCDEF); |
| __m256 vyGHIJKLMN = _mm256_cvtepi32_ps(vxGHIJKLMN); |
| |
| vy01234567 = _mm256_mul_ps(vy01234567, vscale); |
| vy89ABCDEF = _mm256_mul_ps(vy89ABCDEF, vscale); |
| vyGHIJKLMN = _mm256_mul_ps(vyGHIJKLMN, vscale); |
| |
| _mm256_storeu_ps(y, vy01234567); |
| _mm256_storeu_ps(y + 8, vy89ABCDEF); |
| _mm256_storeu_ps(y + 16, vyGHIJKLMN); |
| y += 24; |
| } |
| for (; n >= 4 * sizeof(uint8_t); n -= 4 * sizeof(uint8_t)) { |
| __m128i vx = _mm_cvtepu8_epi32(_mm_loadu_si32(x)); |
| vx = _mm_add_epi32(vx, vminus_zero_point); |
| x += 4; |
| |
| __m128 vy = _mm_cvtepi32_ps(vx); |
| vy = _mm_mul_ps(vy, _mm256_castps256_ps128(vscale)); |
| |
| _mm_storeu_ps(y, vy); |
| y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| assert(n >= 1 * sizeof(uint8_t)); |
| assert(n <= 3 * sizeof(uint8_t)); |
| |
| __m128i vx = _mm_cvtepu8_epi32(_mm_loadu_si32(x)); |
| vx = _mm_add_epi32(vx, vminus_zero_point); |
| |
| __m128 vy = _mm_cvtepi32_ps(vx); |
| vy = _mm_mul_ps(vy, _mm256_castps256_ps128(vscale)); |
| |
| if (n & (2 * sizeof(uint8_t))) { |
| _mm_storel_pi((__m64*) y, vy); |
| vy = _mm_movehl_ps(vy, vy); |
| y += 2; |
| } |
| if (n & (1 * sizeof(uint8_t))) { |
| _mm_store_ss(y, vy); |
| } |
| } |
| } |