gcc/testsuite/gcc.target/arm/memset-inline-8.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "Don't inline memset using neon instructions" { ! arm_tune_string_ops_prefer_neon } } */
   3 /* { dg-options "-save-temps -O2 -fno-inline"  } */
   4 /* { dg-add-options "arm_neon" } */
   5
   6 #include <string.h>
   7 #include <stdlib.h>
   8
   9 #define LEN (100)
  10 short a[LEN];
  11 void
  12 foo (void)
  13 {
  14     memset (a, -1, 14);
  15     return;
  16 }
  17
  18 void
  19 check (signed char *arr, int idx, int len, int v)
  20 {
  21   int i;
  22   for (i = 0; i < idx; i++)
  23     if (arr[i] != v)
  24       abort ();
  25
  26   for (i = idx; i < len; i++)
  27     if (arr[i] != 0)
  28       abort ();
  29 }
  30
  31 int
  32 main(void)
  33 {
  34   foo ();
  35   check ((signed char *)a, 14, sizeof (a), -1);
  36
  37   return 0;
  38 }
  39
  40 /* { dg-final { scan-assembler-not "bl?\[ \t\]*memset" { target { arm_thumb2_ok } } } } */
  41 /* { dg-final { scan-assembler "vst1" { target { arm_little_endian && arm_neon } } } } */
  42 /* { dg-final { scan-assembler-not "vstr" { target { arm_little_endian && arm_neon } } } } */