Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 99 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-24-big-array.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-24-big-array.c
new file mode 100644
index 000000000..10b31aaac
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-24-big-array.c
@@ -0,0 +1,99 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 64
+
+typedef struct {
+   unsigned char a;
+   unsigned char b;
+   unsigned char c;
+   unsigned char d;
+} s;
+
+unsigned char ub[N*2];
+unsigned char uc[N];
+
+volatile int y = 0;
+unsigned char check_diff = 2;
+
+void
+main1 (unsigned char x, unsigned char max_result, unsigned char min_result, s *arr)
+{
+  int i;
+  unsigned char udiff = 2;
+  unsigned char umax = x;
+  unsigned char umin = x;
+  unsigned char ua1[N*2];
+  s *pIn = arr;
+  s out[N];
+
+  for (i = 0; i < N; i++) {
+    udiff += (unsigned char) (ub[i] - uc[i]);
+
+    ua1[2*i+1] = ub[2*i+1];
+    ua1[2*i] = ub[2*i];
+
+    out[i].d = pIn->d - 1;
+    out[i].b = pIn->b - 4;
+    out[i].c = pIn->c - 8;
+    out[i].a = pIn->a - 3;
+
+    pIn++;
+  }
+
+  for (i = 0; i < N; i++) {
+    if (ua1[2*i] != ub[2*i]
+        || ua1[2*i+1] != ub[2*i+1]
+        || out[i].a != arr[i].a - 3
+        || out[i].b != arr[i].b - 4
+        || out[i].c != arr[i].c - 8
+        || out[i].d != arr[i].d - 1)
+      abort ();
+  }
+
+  /* check results:  */
+  if (udiff != check_diff)
+    abort ();
+}
+
+int main (void)
+{
+  int i;
+  s arr[N];
+
+  check_diff = 2;
+  ub[0] = uc[0] = 1;
+  for (i = 1; i < N; i++) {
+    ub[i] = (i%5 == 0)?i*3:i;
+    uc[i] = i;
+    check_diff += (unsigned char) (ub[i] - uc[i]);
+    if (y) /* Avoid vectorization.  */
+      abort ();
+  }
+  for (; i < 2*N; i++) {
+    ub[i] = 0;
+    if (y) /* Avoid vectorization.  */
+      abort ();
+  }
+
+  for (i = 0; i < N; i++)
+    {
+      arr[i].a = i + 9;
+      arr[i].b = i * 2 + 10;
+      arr[i].c = 17;
+      arr[i].d = i+34;
+      if (y) /* Avoid vectorization.  */
+        abort ();
+    }
+  check_vect ();
+
+  main1 (100, 100, 1, arr);
+  main1 (0, 15, 0, arr);
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail { vect_no_align && ilp32 } } } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { xfail { vect_no_align && ilp32 } } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */