From 65eee57a8cccc77a1bfd5ad5cde53460ad564124 Mon Sep 17 00:00:00 2001
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Sat, 5 Dec 2020 18:26:25 +0000
Subject: [PATCH] VAX: Add a test for the SImode `ffs' operation

	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 0000000..3e7a3c2
--- /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," } } */
-- 
2.7.4