start adding tests

1 files changed, 48 insertions, 0 deletions

diff --git a/tests/xorr.c b/tests/xorr.c
new file mode 100644
index 0000000..123bfb7
--- /dev/null
+++ b/tests/xorr.c
@@ -0,0 +1,48 @@
+#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_xorr(j, JIT_R0, JIT_R0, JIT_R1);
+	jit_leave_jit_abi(j, 0, 0, align);
+	jit_retr(j, JIT_R0);
+
+	size_t size = 0;
+	void* ret = jit_end(j, &size);
+
+	jit_word_t (*f)(jit_word_t, jit_word_t) = ret;
+
+	ASSERT(f(0x7fffffff, 1) == 0x7ffffffe);
+	ASSERT(f(1, 0x7fffffff) == 0x7ffffffe);
+	ASSERT(f(0x80000000, 1) == 0x80000001);
+	ASSERT(f(1, 0x80000000) == 0x80000001);
+	ASSERT(f(0x7fffffff, 0x80000000) == 0xffffffff);
+	ASSERT(f(0x80000000, 0x7fffffff) == 0xffffffff);
+	ASSERT(f(0x7fffffff, 0xffffffff) == 0x80000000);
+	ASSERT(f(0xffffffff, 0x7fffffff) == 0x80000000);
+	ASSERT(f(0xffffffff, 0xffffffff) == 0);
+	ASSERT(f(0x7fffffff, 0) == 0x7fffffff);
+	ASSERT(f(0, 0x7fffffff) == 0x7fffffff);
+#if EJIT_WORDSIZE == 64
+	ASSERT(f(0x7fffffffffffffff, 1) == 0x7ffffffffffffffe);
+	ASSERT(f(1, 0x7fffffffffffffff) == 0x7ffffffffffffffe);
+	ASSERT(f(0x8000000000000000, 1) == 0x8000000000000001);
+	ASSERT(f(1, 0x8000000000000000) == 0x8000000000000001);
+	ASSERT(f(0x7fffffffffffffff, 0x8000000000000000) == 0xffffffffffffffff);
+	ASSERT(f(0x8000000000000000, 0x7fffffffffffffff) == 0xffffffffffffffff);
+	ASSERT(f(0x7fffffffffffffff, 0xffffffffffffffff) == 0x8000000000000000);
+	ASSERT(f(0xffffffffffffffff, 0x7fffffffffffffff) == 0x8000000000000000);
+	ASSERT(f(0xffffffffffffffff, 0xffffffffffffffff) == 0);
+#endif
+}
+
+int
+main (int argc, char *argv[])
+{
+	return main_helper(argc, argv, run_test);
+}