| /* { 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 } } } } */ |
| |
| |