1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-8.c b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-8.c
new file mode 100644
index 000000000..394bf486f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-8.c
@@ -0,0 +1,15 @@
+/* { dg-options "-O2 -mr10k-cache-barrier=store -G8" } */
+
+/* Test that in-range stores to components of static objects
+   do not get an unnecessary cache barrier.  */
+
+struct { struct { char i[4]; } a; struct { char j[4]; } b; } s;
+
+NOMIPS16 void
+foo (int sel)
+{
+  s.a.i[0] = 1;
+  s.b.j[3] = 100;
+}
+
+/* { dg-final { scan-assembler-not "\tcache\t" } } */