add lightening jit

1 files changed, 36 insertions, 0 deletions

diff --git a/deps/lightening/tests/bmci.c b/deps/lightening/tests/bmci.c
new file mode 100644
index 0000000..e6c355a
--- /dev/null
+++ b/deps/lightening/tests/bmci.c
@@ -0,0 +1,36 @@
+#include "test.h"
+
+static void
+run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size)
+{
+  jit_begin(j, arena_base, arena_size);
+  size_t align = jit_enter_jit_abi(j, 0, 0, 0);
+  jit_load_args_1(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R0));
+
+#if __WORDSIZE == 64
+  jit_reloc_t r = jit_bmci(j, JIT_R0, 0xff00000001);
+#else
+  jit_reloc_t r = jit_bmci(j, JIT_R0, 1);
+#endif
+  jit_leave_jit_abi(j, 0, 0, align);
+  jit_reti(j, 0);
+  jit_patch_here(j, r);
+  jit_leave_jit_abi(j, 0, 0, align);
+  jit_reti(j, 1);
+
+  jit_word_t (*f)(jit_word_t) = jit_end(j, NULL);
+
+  ASSERT(f(0) == 1);
+  ASSERT(f(1) == 0);
+  ASSERT(f(-1) == 0);
+  ASSERT(f(2) == 1);
+#if __WORDSIZE == 64
+  ASSERT(f(0xfffffffff0) == 0);
+#endif
+}
+
+int
+main (int argc, char *argv[])
+{
+  return main_helper(argc, argv, run_test);
+}