gcc/testsuite/gcc.target/arm/memset-inline-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-save-temps -O2 -fno-inline" } */
   3
   4 #include <string.h>
   5 #include <stdlib.h>
   6
   7 #define LEN (100)
   8 short a[LEN];
   9 void
  10 foo (void)
  11 {
  12     memset (a, -1, 7);
  13     return;
  14 }
  15
  16 void
  17 check (signed char *arr, int idx, int len, int v)
  18 {
  19   int i;
  20   for (i = 0; i < idx; i++)
  21     if (arr[i] != v)
  22       abort ();
  23
  24   for (i = idx; i < len; i++)
  25     if (arr[i] != 0)
  26       abort ();
  27 }
  28
  29 int
  30 main(void)
  31 {
  32   foo ();
  33   check ((signed char *)a, 7, sizeof (a), -1);
  34
  35   return 0;
  36 }
  37
  38 /* { dg-final { scan-assembler-not "bl?\[ \t\]*memset" { target { ! arm_thumb1_ok } } } } */
  39 /* { dg-final { scan-assembler-not "strh" { target { arm_unaligned } } } } */
  40 /* { dg-final { scan-assembler-not "strb" { target { arm_unaligned } } } } */