From 49aa680ccdac46d1d2a7f9f250999b7ff7099548 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Sat, 29 Jun 2024 14:20:07 +0300
Subject: start adding tests
---
tests/qmulr.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 tests/qmulr.c
(limited to 'tests/qmulr.c')
diff --git a/tests/qmulr.c b/tests/qmulr.c
new file mode 100644
index 0000000..b7aa5e8
--- /dev/null
+++ b/tests/qmulr.c
@@ -0,0 +1,59 @@
+#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, 3, 0, 0);
+
+ jit_operand_t args[] =
+ { jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0),
+ jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R1),
+ jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R2),
+ jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_V0) };
+ jit_load_args(j, 4, args);
+
+ jit_qmulr(j, JIT_V1, JIT_V2, JIT_R2, JIT_V0);
+ jit_str(j, JIT_R0, JIT_V1);
+ jit_str(j, JIT_R1, JIT_V2);
+
+ jit_leave_jit_abi(j, 3, 0, align);
+
+ jit_ret(j);
+
+ size_t size = 0;
+ void* ret = jit_end(j, &size);
+
+ void (*f)(jit_word_t*, jit_word_t*, jit_word_t, jit_word_t) = ret;
+
+#define QMUL(a, b, c, d) \
+ do { \
+ jit_word_t C = 0, D = 0; f(&C, &D, a, b); ASSERT(C == c); \
+ ASSERT(D == d); \
+ } while (0)
+
+ QMUL(-2, -1, 2, 0);
+ QMUL(0, -1, 0, 0);
+ QMUL(-1, 0, 0, 0);
+ QMUL(1, -1, -1, -1);
+#if EJIT_WORDSIZE == 32
+ QMUL(0x7ffff, 0x7ffff, 0xfff00001, 0x3f);
+ QMUL(0x80000000, -2, 0, 1);
+ QMUL(0x80000000, 2, 0, -1);
+ QMUL(0x80000001, 3, 0x80000003, -2);
+ QMUL(0x80000001, -3, 0x7ffffffd, 1);
+#else
+ QMUL(0x7ffffffff, 0x7ffffffff, 0xfffffff000000001, 0x3f);
+ QMUL(0x8000000000000000, -2, 0, 1);
+ QMUL(0x8000000000000000, 2, 0, -1);
+ QMUL(0x8000000000000001, 3, 0x8000000000000003, -2);
+ QMUL(0x8000000000000001, -3, 0x7ffffffffffffffd, 1);
+#endif
+}
+
+int
+main (int argc, char *argv[])
+{
+ return main_helper(argc, argv, run_test);
+}
--
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