1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/truncate-5.c b/gcc/testsuite/gcc.target/mips/truncate-5.c
new file mode 100644
index 000000000..6cdb7f71e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/truncate-5.c
@@ -0,0 +1,15 @@
+/* If we AND in DI mode (i.e. replace the order of TRUNCATE and AND) then we
+   can remove the TRUNCATE.  */
+/* { dg-options "-O -mgp64" } */
+/* { dg-final { scan-assembler-not "\tsll\t\[^\n\]*,0" } } */
+
+struct s
+{
+  unsigned a:5;
+};
+
+NOMIPS16 void
+f (struct s *s, unsigned long long a)
+{
+  s->a = a & 0x3;
+}