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 873a7c415ae70af8e16204e4685fcaa374d55d81..8ee124ba7821c08dabb1a9106f23590bd0b24c5b 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 992f5898409dd2a35a74f375ca8f04b8b3890713..6dc2375f5d1e38c98d9740bd40c8be582a570deb 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)