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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c
new file mode 100644
index 000000000..22b1d98de
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-2.c
@@ -0,0 +1,47 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+float out[N];
+float check_res[N] = {880,864,848,832,816,800,784,768,752,736,720,704,688,672,656,640};
+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 = 1000;
+
+ 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 } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
+