1 files changed, 53 insertions, 0 deletions
diff --git a/tests/fence_i.S b/tests/fence_i.S
new file mode 100644
index 0000000..8785c1e
--- /dev/null
+++ b/tests/fence_i.S
@@ -0,0 +1,53 @@
+# See LICENSE for license details.
+
+#*****************************************************************************
+# fence_i.S
+#-----------------------------------------------------------------------------
+#
+# Test self-modifying code and the fence.i instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV32U
+RVTEST_CODE_BEGIN
+
+li a3, 111
+la a0, 3f
+la a1, 1f
+la a2, 2f
+lw a0, 0(a0)
+
+# test I$ hit
+.align 6
+sw a0, 0(a1)
+fence.i
+
+1: addi a3, a3, 222
+TEST_CASE( 2, a3, 444, nop )
+
+# test prefetcher hit
+li a4, 100
+1: addi a4, a4, -1
+bnez a4, 1b
+
+sw a0, 0(a2)
+fence.i
+
+.align 6
+2: addi a3, a3, 555
+TEST_CASE( 3, a3, 777, nop )
+
+3: addi a3, a3, 333
+
+TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+  .data
+RVTEST_DATA_BEGIN
+
+  TEST_DATA
+
+RVTEST_DATA_END