1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/cris/builtin_ctz_v3.c b/gcc/testsuite/gcc.target/cris/builtin_ctz_v3.c
new file mode 100644
index 000000000..8971a47a0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/cris/builtin_ctz_v3.c
@@ -0,0 +1,12 @@
+/* Check that we don't use the swap insn for ctz by checking
+   assembler output.  The swap instruction was implemented in v8.  */
+/* { dg-do compile } */
+/* { dg-skip-if "" { "cris*-*-elf" } { "-march*" } { "" } } */
+/* { dg-options "-O2 -march=v3" } */
+/* { dg-final { scan-assembler-not "\[ \t\]swapwbr\[ \t\]" } } */
+
+int
+f (int a)
+{
+	return __builtin_ctz(a);
+}