diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/slp-35.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/slp-35.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/slp-35.c b/gcc/testsuite/gcc.dg/vect/slp-35.c new file mode 100644 index 000000000..f75691431 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/slp-35.c @@ -0,0 +1,73 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 128 + +typedef struct { + int a; + int b; + int c; + int d; + int e; +} s; + +int +main1 (s *arr) +{ + int i; + s *ptr = arr; + s res[N]; + + /* SLP with unrolling by 4. */ + for (i = 0; i < N; i++) + { + res[i].c = ptr->c + ptr->c; + res[i].a = ptr->a + ptr->a; + res[i].d = ptr->d + ptr->d; + res[i].b = ptr->b + ptr->b; + res[i].e = ptr->e + ptr->e; + ptr++; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (res[i].c != arr[i].c + arr[i].c + || res[i].a != arr[i].a + arr[i].a + || res[i].d != arr[i].d + arr[i].d + || res[i].b != arr[i].b + arr[i].b + || res[i].e != arr[i].e + arr[i].e) + abort(); + } + +} + +int main (void) +{ + int i; + s arr[N]; + + check_vect (); + + for (i = 0; i < N; i++) + { + arr[i].a = i; + arr[i].b = i * 2; + arr[i].c = 17; + arr[i].d = i+34; + arr[i].e = i * 3 + 5; + if (arr[i].a == 178) + abort(); + } + + main1 (arr); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ +/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |