diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-strided-same-dr.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-strided-same-dr.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-strided-same-dr.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-strided-same-dr.c new file mode 100644 index 000000000..9768d7263 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-strided-same-dr.c @@ -0,0 +1,78 @@ +/* { 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; + +s buffer1[N], buffer2[N]; + +volatile int y = 0; + +__attribute__ ((noinline)) int +main1 (s * __restrict__ pIn, s* __restrict__ pOut) +{ + unsigned short i, x, y, d; + s *p, *q; + + p = pIn; + q = pOut; + + for (i = 0; i < N/2; i++) + { + x = pIn->a + 5; + y = pIn->a + 2; + pOut->a = x; + pOut->b = pIn->b; + pOut++; + pOut->a = y; + pOut->b = pIn->b; + pOut++; + pIn++; + } + + /* check results: */ + for (i = 0; i < N/2; i++) + { + if (q->a != p->a + 5 + || q->b != p->b) + abort (); + q++; + if (q->a != p->a + 2 + || q->b != p->b) + abort (); + q++; + p++; + } + + return 0; +} + +int main (void) +{ + short i; + + for (i = 0; i < N; i++) + { + buffer1[i].a = i; + buffer1[i].b = i + 8; + buffer2[i].a = i * 3; + buffer2[i].b = i * 2; + if (y) /* Avoid vectorization. */ + abort (); + } + + check_vect (); + + main1 (buffer1, buffer2); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |