testsuite/92177 fix for SLP build changes

We're now consistently building SLP operations with only
scalar defs from scalars which makes the testcase no longer
testing multiplication vectorization.  The following smuggles
in a constant making the vector variant profitable for SLP build.

2020-02-05  Richard Biener  <rguenther@suse.de>

	PR testsuite/92177
	* gcc.dg/vect/bb-slp-22.c: Adjust.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 873a7c4..8ee124b 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,8 +1,12 @@
 2020-02-05  Richard Biener  <rguenther@suse.de>
 
+       PR testsuite/92177
+       * gcc.dg/vect/bb-slp-22.c: Adjust.
+
+2020-02-05  Richard Biener  <rguenther@suse.de>
+
        PR middle-end/90648
-       * genmatch.c (dt_node::gen_kids_1): Emit number of argument
-       checks before matching calls.
+       * gcc.dg/pr90648.c: New testcase.
 
 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
 

diff --git a/gcc/testsuite/gcc.dg/vect/bb-slp-22.c b/gcc/testsuite/gcc.dg/vect/bb-slp-22.c
index 992f589..6dc2375 100644 (file)
--- a/gcc/testsuite/gcc.dg/vect/bb-slp-22.c
+++ b/gcc/testsuite/gcc.dg/vect/bb-slp-22.c
@@ -29,10 +29,10 @@ main1 (unsigned int x, unsigned int y)
     }
   else
     {
-      out[0] = a0 * x;
-      out[1] = a1 * y;
-      out[2] = a2 * x;
-      out[3] = a3 * y;
+      out[0] = a0 * (x + 1);
+      out[1] = a1 * (y + 1);
+      out[2] = a2 * (x + 1);
+      out[3] = a3 * (y + 1);
     }
 
   if (x)
@@ -40,10 +40,10 @@ main1 (unsigned int x, unsigned int y)
 
   /* Check results.  */
   if ((x <= y 
-       && (out[0] != (in[0] + 23) * x
-           || out[1] != (in[1] + 142) * y
-           || out[2] != (in[2] + 2) * x
-           || out[3] != (in[3] + 31) * y))
+       && (out[0] != (in[0] + 23) * (x + 1)
+           || out[1] != (in[1] + 142) * (y + 1)
+           || out[2] != (in[2] + 2) * (x + 1)
+           || out[3] != (in[3] + 31) * (y + 1)))
        || (x > y
            && (b[0] != (in[0] + 23)
                || b[1] != (in[1] + 142)