Re: [PATCH] Fix PR84512

[Tom de Vries]

On 02/27/2018 01:42 PM, Richard Biener wrote:
Index: gcc/testsuite/gcc.dg/tree-ssa/pr84512.c
===================================================================
--- gcc/testsuite/gcc.dg/tree-ssa/pr84512.c     (nonexistent)
+++ gcc/testsuite/gcc.dg/tree-ssa/pr84512.c     (working copy)
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-optimized" } */
+
+int foo()
+{
+  int a[10];
+  for(int i = 0; i < 10; ++i)
+    a[i] = i*i;
+  int res = 0;
+  for(int i = 0; i < 10; ++i)
+    res += a[i];
+  return res;
+}
+
+/* { dg-final { scan-tree-dump "return 285;" "optimized" } } */

This fails for nvptx, because it doesn't have the required vector 
operations. To fix the fail, I've added requiring effective target 
vect_int_mult.

Thanks,
- Tom
[testsuite] Require vect_int_mult in pr84512.c

2018-03-16  Tom de Vries  <t...@codesourcery.com>

	* gcc.dg/tree-ssa/pr84512.c: Require effective target vect_int_mult.

---
 gcc/testsuite/gcc.dg/tree-ssa/pr84512.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr84512.c b/gcc/testsuite/gcc.dg/tree-ssa/pr84512.c
index 288fa5d..41b6c06 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/pr84512.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr84512.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O3 -fdump-tree-optimized" } */
+/* { dg-require-effective-target vect_int_mult } */
 
 int foo()
 {