1 // Auto-generated file. Do not edit! 2 // Template: src/s16-rmaxabs/scalar.c.in 3 // Generator: tools/xngen 4 // 5 // Copyright 2022 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 <stddef.h> 12 #include <stdint.h> 13 14 #include <xnnpack/math.h> 15 #include <xnnpack/rmaxabs.h> 16 17 xnn_s16_rmaxabs_ukernel__scalar_x2(size_t batch,const int16_t * input,uint16_t * output)18void xnn_s16_rmaxabs_ukernel__scalar_x2( 19 size_t batch, 20 const int16_t* input, 21 uint16_t* output) { 22 23 assert(batch > 0); 24 assert(input != NULL); 25 assert(output != NULL); 26 27 uint32_t vmax0 = 0; 28 uint32_t vmax1 = 0; 29 30 for (; batch >= 2; batch -= 2) { 31 const int32_t vi0 = (int32_t) input[0]; 32 const int32_t vi1 = (int32_t) input[1]; 33 input += 2; 34 35 const uint32_t vabs0 = math_abs_s32(vi0); 36 const uint32_t vabs1 = math_abs_s32(vi1); 37 38 vmax0 = math_max_u32(vmax0, vabs0); 39 vmax1 = math_max_u32(vmax1, vabs1); 40 } 41 42 vmax0 = math_max_u32(vmax0, vmax1); 43 44 if (batch != 0) { 45 do { 46 const int32_t vi = (int32_t) *input++; 47 const uint32_t vabs = math_abs_s32(vi); 48 vmax0 = math_max_u32(vmax0, vabs); 49 } while (--batch != 0); 50 } 51 *output = (uint16_t) vmax0; 52 } 53