1 // Auto-generated file. Do not edit! 2 // Template: src/qs8-f32-vcvt/scalar.c.in 3 // Generator: tools/xngen 4 // 5 // Copyright 2021 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 12 #include <xnnpack/common.h> 13 #include <xnnpack/math.h> 14 #include <xnnpack/vcvt.h> 15 16 xnn_qu8_f32_vcvt_ukernel__scalar_x2(size_t n,const uint8_t * x,float * y,const union xnn_qu8_f32_cvt_params params[restrict XNN_MIN_ELEMENTS (1)])17void xnn_qu8_f32_vcvt_ukernel__scalar_x2( 18 size_t n, 19 const uint8_t* x, 20 float* y, 21 const union xnn_qu8_f32_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) 22 { 23 assert(n != 0); 24 assert(n % sizeof(uint8_t) == 0); 25 assert(x != NULL); 26 assert(y != NULL); 27 28 const int32_t vzero_point = params->scalar.zero_point; 29 const float vscale = params->scalar.scale; 30 31 for (; n >= 2 * sizeof(uint8_t); n -= 2 * sizeof(uint8_t)) { 32 int32_t vx0 = (int32_t) x[0]; 33 int32_t vx1 = (int32_t) x[1]; 34 x += 2; 35 36 vx0 -= vzero_point; 37 vx1 -= vzero_point; 38 39 float vy0 = (float) vx0; 40 float vy1 = (float) vx1; 41 42 vy0 *= vscale; 43 vy1 *= vscale; 44 45 y[0] = vy0; 46 y[1] = vy1; 47 y += 2; 48 } 49 if XNN_UNLIKELY(n != 0) { 50 int32_t vx = *x; 51 vx -= vzero_point; 52 53 float vy = (float) vx; 54 vy *= vscale; 55 *y = vy; 56 } 57 } 58