diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c new file mode 100644 index 000000000..cda573935 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c @@ -0,0 +1,74 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 64 + +typedef struct { + unsigned char a; + unsigned char b; +} s; + +__attribute__ ((noinline)) int +main1 () +{ + s arr[N]; + s *ptr = arr; + s res[N]; + int i; + + for (i = 0; i < N; i++) + { + arr[i].a = i; + arr[i].b = i * 2; + if (arr[i].a == 178) + abort(); + } + + for (i = 0; i < N; i++) + { + res[i].a = ptr->a; + res[i].b = ptr->a; + ptr++; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (res[i].a != arr[i].a + || res[i].b != arr[i].a) + abort (); + } + + ptr = arr; + /* Not vectorizable: gap in store. */ + for (i = 0; i < N; i++) + { + res[i].a = ptr->b; + ptr++; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (res[i].a != arr[i].b) + abort (); + } + + + return 0; +} + +int main (void) +{ + 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" } } */ + |