diff gcc/testsuite/gcc.dg/vect/slp-perm-1.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/slp-perm-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,66 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define M00 100
+#define M10 216
+#define M20 23
+#define M01 1322
+#define M11 13
+#define M21 27271
+#define M02 74
+#define M12 191
+#define M22 500
+
+#define N 16
+
+void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
+{
+  unsigned int i, a, b, c;
+
+  for (i = 0; i < N / 3; i++)
+    {
+       a = *pInput++;
+       b = *pInput++;
+       c = *pInput++;
+
+       *pOutput++ = M00 * a + M01 * b + M02 * c;
+       *pOutput++ = M10 * a + M11 * b + M12 * c;
+       *pOutput++ = M20 * a + M21 * b + M22 * c;
+    }
+}
+
+int main (int argc, const char* argv[])
+{
+  unsigned int input[N], output[N], i;
+  unsigned int check_results[N] = {1470, 395, 28271, 5958, 1655, 111653, 10446, 2915, 195035, 14934, 4175, 278417, 19422, 5435, 361799, 0};
+
+  check_vect ();
+
+  for (i = 0; i < N; i++)
+    {
+      input[i] = i%256;
+      output[i] = 0;
+      __asm__ volatile ("");
+    }
+
+  foo (input, output);
+
+  for (i = 0; i < N; i++)
+    {
+      if (output[i] != check_results[i])
+	abort ();
+      __asm__ volatile ("");
+    }
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_perm } } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && {! vect_load_lanes } } } } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */
+/* { dg-final { scan-tree-dump "note: Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm && vect_load_lanes } } } } */
+/* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */
+/* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */
+