gcc/testsuite/gcc.dg/vect/vect-div-bitmask-1.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdint.h>
   4 #include "tree-vect.h"
   5
   6 #define N 50
   7 #define TYPE uint8_t
   8
   9 __attribute__((noipa, noinline, optimize("O1")))
  10 void fun1(TYPE* restrict pixel, TYPE level, int n)
  11 {
  12   for (int i = 0; i < n; i+=1)
  13     pixel[i] = (pixel[i] * level) / 0xff;
  14 }
  15
  16 __attribute__((noipa, noinline, optimize("O3")))
  17 void fun2(TYPE* restrict pixel, TYPE level, int n)
  18 {
  19   for (int i = 0; i < n; i+=1)
  20     pixel[i] = (pixel[i] * level) / 0xff;
  21 }
  22
  23 #include "vect-div-bitmask.h"
  24
  25 /* { dg-final { scan-tree-dump-not "vect_recog_divmod_pattern: detected" "vect" { target aarch64*-*-* } } } */