1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c
new file mode 100644
index 000000000..68c4b7ef2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c
@@ -0,0 +1,18 @@
+/* { dg-options "-O2 -mr10k-cache-barrier=store -mips4 -mbranch-likely -mno-abicalls" } */
+int bar (int);
+
+/* Test that code after a branch-likely does not get an unnecessary
+   cache barrier.  */
+
+NOMIPS16 void
+foo (int n, int *x)
+{
+  do
+    n = bar (n * 4 + 1);
+  while (n);
+  /* The preceding branch should be a branch likely, with the shift as
+     its delay slot.  We therefore don't need a cache barrier here.  */
+  x[0] = 0;
+}
+
+/* { dg-final { scan-assembler-not "\tcache\t" } } */