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Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c new file mode 100644 index 00000000000..5d45bf84c9d --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c @@ -0,0 +1,67 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 128 + +typedef struct { + unsigned short a; + unsigned short b; +} s; + +int +main1 () +{ + s arr[N]; + s *ptr = arr; + unsigned int iarr[N]; + unsigned int *iptr = iarr; + s res[N]; + unsigned int ires[N]; + int i; + + for (i = 0; i < N; i++) + { + arr[i].a = i; + arr[i].b = i * 2; + iarr[i] = i * 3; + if (arr[i].a == 178) + abort(); + } + + for (i = 0; i < N; i++) + { + ires[i] = *iptr; + res[i].b = ptr->b - ptr->a; + res[i].a = ptr->b + ptr->a; + iptr++; + ptr++; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (res[i].b != arr[i].b - arr[i].a + || ires[i] != iarr[i] + || res[i].a != arr[i].b + arr[i].a) + abort (); + } + + return 0; +} + +int main (void) +{ + int i; + + check_vect (); + + main1 (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |