| /* APPLE LOCAL file AV data dependence */ |
| /* { dg-do run } */ |
| /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */ |
| /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* x86_64-*-* } } */ |
| |
| #include <stdarg.h> |
| #include <signal.h> |
| |
| #define N 64 |
| #define MAX 42 |
| |
| extern void abort(void); |
| |
| int main () |
| { |
| int A[N]; |
| int B[N]; |
| int C[N]; |
| int D[N]; |
| |
| int i, j; |
| |
| for (i = 0; i < N; i++) |
| { |
| A[i] = i; |
| B[i] = i; |
| C[i] = i; |
| D[i] = i; |
| } |
| |
| /* Vectorizable */ |
| for (i = 0; i < 16; i++) |
| { |
| A[i] = A[i+20]; |
| } |
| |
| /* check results: */ |
| for (i = 0; i < 16; i++) |
| { |
| if (A[i] != A[i+20]) |
| abort (); |
| } |
| |
| /* Vectorizable */ |
| for (i = 0; i < 16; i++) |
| { |
| B[i] = B[i] + 5; |
| } |
| |
| /* check results: */ |
| for (i = 0; i < 16; i++) |
| { |
| if (B[i] != C[i] + 5) |
| abort (); |
| } |
| |
| /* Not vectorizable */ |
| for (i = 0; i < 4; i++) |
| { |
| C[i] = C[i+3]; |
| } |
| |
| /* check results: */ |
| for (i = 0; i < 4; i++) |
| { |
| if (C[i] != D[i+3]) |
| abort (); |
| } |
| |
| |
| return 0; |
| } |
| |
| |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ |