1 // Auto-generated file. Do not edit! 2 // Template: src/f32-vsqrt/wasmsimd-sqrt.c.in 3 // Generator: tools/xngen 4 // 5 // Copyright 2020 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 #include <math.h> 12 13 #include <wasm_simd128.h> 14 15 #include <xnnpack/common.h> 16 #include <xnnpack/vunary.h> 17 18 xnn_f32_vsqrt_ukernel__wasmsimd_sqrt_x8(size_t n,const float * x,float * y,const union xnn_f32_sqrt_params params[restrict XNN_MIN_ELEMENTS (1)])19void xnn_f32_vsqrt_ukernel__wasmsimd_sqrt_x8( 20 size_t n, 21 const float* x, 22 float* y, 23 const union xnn_f32_sqrt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN 24 { 25 assert(n != 0); 26 assert(n % sizeof(float) == 0); 27 28 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) { 29 const v128_t vx0123 = wasm_v128_load(x); 30 const v128_t vx4567 = wasm_v128_load(x + 4); 31 x += 8; 32 33 const v128_t vy0123 = wasm_f32x4_sqrt(vx0123); 34 const v128_t vy4567 = wasm_f32x4_sqrt(vx4567); 35 36 wasm_v128_store(y, vy0123); 37 wasm_v128_store(y + 4, vy4567); 38 y += 8; 39 } 40 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { 41 const v128_t vx = wasm_v128_load(x); 42 x += 4; 43 const v128_t vy = wasm_f32x4_sqrt(vx); 44 wasm_v128_store(y, vy); 45 y += 4; 46 } 47 if XNN_UNLIKELY(n != 0) { 48 do { 49 const float vx = *x++; 50 const float vy = sqrtf(vx); 51 *y++ = vy; 52 n -= sizeof(float); 53 } while (n != 0); 54 } 55 } 56