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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-reduc-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-reduc-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-reduc-2.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-reduc-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-reduc-2.c
new file mode 100644
index 000000000..912e69c93
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-reduc-2.c
@@ -0,0 +1,53 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+#define DIFF 240
+
+int b[N] = {1,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+int c[N] = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+
+/* Test vectorization of reduction of signed-int. */
+
+__attribute__ ((noinline))
+void main1 (int x, int max_result, int min_result)
+{
+ int i;
+ int diff = 0;
+ int max = x;
+ int min = x;
+
+ for (i = 0; i < N; i++) {
+ diff += (b[i] - c[i]);
+ }
+
+ for (i = 0; i < N; i++) {
+ max = max < c[i] ? c[i] : max;
+ }
+
+ for (i = 0; i < N; i++) {
+ min = min > c[i] ? c[i] : min;
+ }
+
+ /* check results: */
+ if (diff != DIFF)
+ abort ();
+ if (max != max_result)
+ abort ();
+ if (min != min_result)
+ abort ();
+}
+
+int main (void)
+{
+ check_vect ();
+
+ main1 (100, 100, 1);
+ main1 (0, 15, 0);
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail { vect_no_int_add || vect_no_int_max } } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */