gcc/testsuite/gcc.target/aarch64/sve/popcount_1.c

   1 /* { dg-do assemble { target aarch64_asm_sve_ok } } */
   2 /* { dg-options "-O2 -ftree-vectorize --save-temps" } */
   3
   4 #include <stdint.h>
   5
   6 void __attribute__ ((noinline, noclone))
   7 popcount_32 (unsigned int *restrict dst, uint32_t *restrict src, int size)
   8 {
   9   for (int i = 0; i < size; ++i)
  10     dst[i] = __builtin_popcount (src[i]);
  11 }
  12
  13 void __attribute__ ((noinline, noclone))
  14 popcount_64 (unsigned int *restrict dst, uint64_t *restrict src, int size)
  15 {
  16   for (int i = 0; i < size; ++i)
  17     dst[i] = __builtin_popcountl (src[i]);
  18 }
  19
  20 /* { dg-final { scan-assembler-times {\tcnt\tz[0-9]+\.s, p[0-7]/m, z[0-9]+\.s\n} 1 } } */
  21 /* { dg-final { scan-assembler-times {\tcnt\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d\n} 2 } } */
  22 /* { dg-final { scan-assembler-times {\tuzp1\tz[0-9]+\.s, z[0-9]+\.s, z[0-9]+\.s\n} 1 } } */