| /* { dg-require-effective-target vect_int } */ |
| /* PR tree-optimization/67682. */ |
| |
| #include "tree-vect.h" |
| |
| int __attribute__((__aligned__(8))) a[8]; |
| int __attribute__((__aligned__(8))) b[4]; |
| |
| __attribute__ ((noinline)) void |
| test () |
| { |
| a[0] = b[0]; |
| a[1] = b[1]; |
| a[2] = b[2]; |
| a[3] = b[3]; |
| a[4] = 0; |
| a[5] = 0; |
| a[6] = 0; |
| a[7] = 0; |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| check_vect (); |
| |
| for (int i = 0; i < 8; i++) |
| a[i] = 1; |
| for (int i = 0; i < 4; i++) |
| b[i] = i + 4; |
| __asm__ volatile ("" : : : "memory"); |
| test (a, b); |
| __asm__ volatile ("" : : : "memory"); |
| for (int i = 0; i < 4; i++) |
| if (a[i] != i+4) |
| abort (); |
| for (int i = 4; i < 8; i++) |
| if (a[i] != 0) |
| abort (); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Basic block will be vectorized using SLP" 1 "slp2" } } */ |
| /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" } } */ |