add lightening jit

1 files changed, 34 insertions, 0 deletions

diff --git a/deps/lightening/tests/bgtr.c b/deps/lightening/tests/bgtr.c
new file mode 100644
index 0000000..c4dcd51
--- /dev/null
+++ b/deps/lightening/tests/bgtr.c
@@ -0,0 +1,34 @@
+#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_2(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R0),
+                  jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R1));
+
+  jit_reloc_t r = jit_bgtr(j, JIT_R0, JIT_R1);
+  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_word_t) = jit_end(j, NULL);
+
+  ASSERT(f(0, 0) == 0);
+  ASSERT(f(0, 1) == 0);
+  ASSERT(f(1, 0) == 1);
+  ASSERT(f(-1, 0) == 0);
+  ASSERT(f(0, -1) == 1);
+#if __WORDSIZE == 64
+  ASSERT(f(0xffffffffff, 1) == 1);
+#endif
+}
+
+int
+main (int argc, char *argv[])
+{
+  return main_helper(argc, argv, run_test);
+}