re PR tree-optimization/90836 (Missing popcount pattern matching)

2019-10-08  Dmitrij Pochepko <dmitrij.pochepko@bell-sw.com>

	PR tree-optimization/90836
	* lib/target-supports.exp (check_effective_target_popcount)
	(check_effective_target_popcountll): New effective targets.
	* gcc.dg/tree-ssa/popcount4.c: New test.
	* gcc.dg/tree-ssa/popcount4l.c: New test.
	* gcc.dg/tree-ssa/popcount4ll.c: New test.

From-SVN: r276722

1 files changed, 23 insertions, 0 deletions

diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index a7b76b69b75..179202f0f7d 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -6933,6 +6933,29 @@ proc check_effective_target_popcountl { } {
     } "" ]
 }
 
+# Return 1 if the target supports popcount on long long.
+
+proc check_effective_target_popcountll { } {
+    return [check_no_messages_and_pattern popcountll "!\\(call" rtl-expand {
+        int foo (long long b)
+          {
+            return __builtin_popcountll (b);
+          }
+    } "" ]
+}
+
+
+# Return 1 if the target supports popcount on int.
+
+proc check_effective_target_popcount { } {
+    return [check_no_messages_and_pattern popcount "!\\(call" rtl-expand {
+        int foo (int b)
+          {
+            return __builtin_popcount (b);
+          }
+    } "" ]
+}
+
 # Return 1 if the target supports atomic operations on "long long"
 # and can execute them.
 #