diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-4m.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-outer-4m.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-4m.c b/gcc/testsuite/gcc.dg/vect/vect-outer-4m.c new file mode 100644 index 00000000000..f85ddbfd467 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-outer-4m.c @@ -0,0 +1,58 @@ +/* { dg-require-effective-target vect_int } */ +#include <stdarg.h> +#include "tree-vect.h" + +#define N 40 +#define M 128 +unsigned short in[N+M]; +unsigned int out[N]; + +/* Outer-loop vectorization. */ +/* Not vectorized due to multiple-types in the inner-loop. */ + +unsigned int +foo (){ + int i,j; + unsigned int diff; + unsigned int s=0; + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < M; j+=8) { + diff += in[j+i]; + } + s+=((unsigned short)diff>>3); + } + return s; +} + +int main (void) +{ + int i, j; + unsigned int diff; + unsigned int s=0,sum=0; + + check_vect (); + + for (i = 0; i < N+M; i++) { + in[i] = i; + } + + sum=foo (); + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < M; j+=8) { + diff += in[j+i]; + } + s += ((unsigned short)diff>>3); + } + + if (s != sum) + abort (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |