[PATCH 13/31] VAX: Add a test for the SImode `ffs' operation

[Maciej W. Rozycki]

        gcc/testsuite/
        * gcc.target/vax/ffssi.c: New test.
---
 gcc/testsuite/gcc.target/vax/ffssi.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/vax/ffssi.c

diff --git a/gcc/testsuite/gcc.target/vax/ffssi.c 
b/gcc/testsuite/gcc.target/vax/ffssi.c
new file mode 100644
index 00000000000..3e7a3c2b301
--- /dev/null
+++ b/gcc/testsuite/gcc.target/vax/ffssi.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+
+int
+ffssi (int x)
+{
+  return __builtin_ffs (x);
+}
+
+/* Expect assembly like:
+
+       ffs $0,$32,%r1,%r0
+       jneq .L2
+       mnegl $1,%r0
+.L2:
+       incl %r0
+
+ */
+
+/* { dg-final { scan-assembler "\tffs \\\$0,\\\$32," } } */
-- 
2.11.0