| // Auto-generated file. Do not edit! |
| // Template: src/f32-vunary/avx512f.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/common.h> |
| #include <xnnpack/intrinsics-polyfill.h> |
| #include <xnnpack/vunary.h> |
| |
| |
| void xnn_f32_vneg_ukernel__avx512f_x16( |
| size_t n, |
| const float* x, |
| float* y, |
| const union xnn_f32_neg_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const __m512i vsign_mask = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse.sign_mask)); |
| for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) { |
| const __m512i vx0123456789ABCDEF = _mm512_loadu_si512(x); |
| x += 16; |
| |
| const __m512i vy0123456789ABCDEF = _mm512_xor_epi32(vx0123456789ABCDEF, vsign_mask); |
| |
| _mm512_storeu_si512(y, vy0123456789ABCDEF); |
| y += 16; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| assert(n >= 1 * sizeof(float)); |
| assert(n <= 15 * sizeof(float)); |
| // Prepare mask for valid 32-bit elements (depends on n). |
| n >>= 2 /* log2(sizeof(float)) */; |
| const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1))); |
| |
| const __m512i vx = _mm512_maskz_loadu_epi32(vmask, x); |
| const __m512i vy = _mm512_xor_epi32(vx, vsign_mask); |
| _mm512_mask_storeu_epi32(y, vmask, vy); |
| } |
| } |