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-rw-r--r--gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c
new file mode 100644
index 0000000..9f4e8e9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c
@@ -0,0 +1,64 @@
+/* { dg-require-effective-target vect_int } */
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 256
+
+void bar (float *pa, float *pb, float *pc)
+{
+ int i;
+
+ /* check results: */
+ for (i = 0; i < N/2; i++)
+ {
+ if (pa[i] != (pb[i+1] * pc[i+1]))
+ abort ();
+ }
+
+ return;
+}
+
+/* Unaligned pointer read accesses with known alignment,
+ and an unaligned write access with unknown alignment.
+ The loop bound is iunknown.
+ Can't prove that the pointers don't alias.
+ vect-57.c is similar to this one with one difference:
+ the loop bound is known.
+ vect-60.c is similar to this one with two differences:
+ aliasing is not a problem, and the write access is unaligned. */
+
+int
+main1 (int n , float *pa)
+{
+ int i;
+ float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+ float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+ float *pb = b;
+ float *pc = c;
+
+ for (i = 0; i < n/2; i++)
+ {
+ pa[i] = pb[i+1] * pc[i+1];
+ }
+
+ bar (pa,pb,pc);
+
+ return 0;
+}
+
+int main (void)
+{
+ int i;
+ int n=N;
+ float a[N] __attribute__ ((__aligned__(16)));
+
+ check_vect ();
+ main1 (n,a);
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */