| /* { dg-additional-options "-fdump-tree-cunroll-details" } */ |
| |
| #include "tree-vect.h" |
| |
| int ii[32]; |
| struct { char a; char b[66]; } cc = { 0, |
| { 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, |
| 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0, |
| 20, 0, 21, 0, 22, 0, 23, 0, 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0, |
| 30, 0, 31, 0 } |
| }; |
| |
| void __attribute__((noinline,noclone)) |
| foo (int s) |
| { |
| int i; |
| for (i = 0; i < s; i++) |
| ii[i] = (int) cc.b[i*2]; |
| } |
| |
| int main (int argc, const char **argv) |
| { |
| int i; |
| check_vect (); |
| foo (32); |
| for (i = 0; i < 32; i++) |
| if (ii[i] != i) |
| __builtin_abort (); |
| } |
| |
| /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } } */ |
| /* { dg-final { scan-tree-dump "loop turned into non-loop; it never loops" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */ |
| /* { dg-final { scan-tree-dump-not "loop with 2 iterations completely unrolled" "cunroll" { target { i?86-*-* x86_64-*-* } } } } */ |
