Viewing file:  memset-inline-6.c (1.16 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-skip-if "Don't inline memset using neon instructions" { ! arm_tune_string_ops_prefer_neon } } */
/* { dg-options "-save-temps -O2 -fno-inline" } */
/* { dg-add-options "arm_neon" } */
#include <string.h>
#include <stdlib.h>
#define LEN (100)
int a[LEN];
int b[LEN];
int c[LEN];
void
foo1 (void)
{
memset (a, -1, 20);
return;
}
void
foo2 (void)
{
memset (b, 1, 24);
return;
}
void
foo3 (void)
{
memset (c, -1, 32);
return;
}
void
check (signed char *arr, int idx, int len, int v)
{
int i;
for (i = 0; i < idx; i++)
if (arr[i] != v)
abort ();
for (i = idx; i < len; i++)
if (arr[i] != 0)
abort ();
}
int
main(void)
{
foo1 ();
check ((signed char *)a, 20, sizeof (a), -1);
foo2 ();
check ((signed char *)b, 24, sizeof (b), 1);
foo3 ();
check ((signed char *)c, 32, sizeof (c), -1);
return 0;
}
/* { dg-final { scan-assembler-not "bl?\[ \t\]+memset" { target { arm_little_endian && arm_neon } } } } */
/* { dg-final { scan-assembler-times "vst1" 3 { target { arm_little_endian && arm_neon } } } } */
/* { dg-final { scan-assembler-times "vstr" 4 { target { arm_little_endian && arm_neon } } } } */
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