diff gcc/testsuite/gcc.dg/vect/vect-nest-cycle-1.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,47 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16 
+
+float in[N] = {232,132,32,432,532,321,327,323,321,324,322,329,432,832,932,232};
+float out[N];
+float check_res[N] = {112,-4,-120,264,348,121,111,91,73,60,42,33,120,504,588,-128};
+float a[2*N] = {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};
+
+/* Outer-loop vectorization.  */
+
+__attribute__ ((noinline)) void 
+foo () 
+{
+  int i, j;
+  float res;
+
+  for (i = 0; i < N; i++)
+    {
+      res = in[i];
+
+      for (j = 0; j < N; j++) 
+        res = res - a[i+j];
+        
+      out[i] = res;
+    }
+
+  for (i = 0; i < N; i++)  
+    if (out[i] != check_res[i])
+      abort ();
+
+}
+
+int main ()
+{
+  check_vect ();
+
+  foo();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */
+