| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_float } */ |
| /* { dg-additional-options "-Ofast -funroll-loops" } */ |
| |
| #define NXX 516 |
| #define NYY 516 |
| #define IND(x,y) ((x) + (y)*NXX) |
| float **In, **Out, **V; |
| |
| void foo(int I, int J, int K1, int K2, int L1, int L2 ) |
| { |
| for(int i=0; i < I; i++) |
| { |
| float *v = V[i]; |
| |
| for(int j=0; j < J; j++) |
| { |
| float *in = In[j]; |
| float *out = Out[j]; |
| for(int l=L1; l<L2; l++) |
| { |
| for(int k=K1; k<K2; k++) |
| { |
| float sum = 0; |
| int offset = 0; |
| for(int m=-2; m<=2; m++) |
| { |
| for(int n=-2; n<=2; n++, offset++) |
| sum += in[IND((k+n), (l+m))] * v[offset]; |
| } |
| out[IND(k,l)] = sum; |
| } |
| } |
| |
| } |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump "improved number of alias checks from \[0-9\]* to 2" "vect" } } */ |
