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-rw-r--r--gcc/testsuite/gcc.dg/vect/slp-26.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/slp-26.c b/gcc/testsuite/gcc.dg/vect/slp-26.c
new file mode 100644
index 000000000..6821b2ced
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/slp-26.c
@@ -0,0 +1,52 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 8
+
+int
+main1 ()
+{
+ int i;
+ unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+ unsigned short out[N*8], a[N], b[N] = {3,6,9,12,15,18,21,24};
+
+ /* Partial SLP is not supported. */
+ for (i = 0; i < N; i++)
+ {
+ out[i*4] = in[i*4];
+ out[i*4 + 1] = in[i*4 + 1];
+ out[i*4 + 2] = in[i*4 + 2];
+ out[i*4 + 3] = in[i*4 + 3];
+
+ a[i] = b[i] / 3;
+ }
+
+ /* check results: */
+ for (i = 0; i < N; i++)
+ {
+ if (out[i*4] != in[i*4]
+ || out[i*4 + 1] != in[i*4 + 1]
+ || out[i*4 + 2] != in[i*4 + 2]
+ || out[i*4 + 3] != in[i*4 + 3]
+ || a[i] != b[i] / 3)
+ abort ();
+ }
+
+ return 0;
+}
+
+int main (void)
+{
+ check_vect ();
+
+ main1 ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
+