diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c new file mode 100644 index 00000000000..626b22f0565 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c @@ -0,0 +1,45 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 64 + +signed char X[N] __attribute__ ((__aligned__(16))); +signed char Y[N] __attribute__ ((__aligned__(16))); +short result[N]; + +/* char->short widening-mult */ +int +foo1(int len) { + int i; + + for (i=0; i<len; i++) { + result[i] = X[i] * Y[i]; + } +} + +int main (void) +{ + int i; + + check_vect (); + + for (i=0; i<N; i++) { + X[i] = i; + Y[i] = 64-i; + } + + foo1 (N); + + for (i=0; i<N; i++) { + if (result[i] != X[i] * Y[i]) + abort (); + } + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_qi_to_hi } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |