| /* Disabling epilogues until we find a better way to deal with scans. */ |
| /* { dg-additional-options "--param vect-epilogues-nomask=0" } */ |
| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 16 |
| |
| unsigned int ub[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; |
| unsigned int uc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; |
| |
| /* Vectorization of reduction using loop-aware SLP (with unrolling). */ |
| |
| __attribute__ ((noinline)) |
| int main1 (int n, int res0, int res1, int res2, int res3) |
| { |
| int i; |
| unsigned int udiff0 = 5, udiff1 = 10; |
| |
| for (i = 0; i < n; i++) { |
| udiff1 += (ub[2*i + 1] - uc[2*i + 1]); |
| udiff0 += (ub[2*i] - uc[2*i]); |
| } |
| |
| /* Check results: */ |
| if (udiff0 != res0 |
| || udiff1 != res1) |
| abort (); |
| |
| return 0; |
| } |
| |
| int main (void) |
| { |
| check_vect (); |
| |
| main1 (N/2, 117, 138, 84, 102); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */ |
| /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { xfail vect_no_int_add } } } */ |
| /* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 0 "vect" } } */ |
| |
