From b4addd256474ea4198b9a90dedd0cc11c69b9e23 Mon Sep 17 00:00:00 2001
From: SachinVin <sachinvinayak2000@gmail.com>
Date: Sun, 6 Oct 2019 11:22:25 +0530
Subject: [PATCH] tests/A32: Check if Q flag is cleared properly

---
 tests/A32/test_arm_instructions.cpp | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tests/A32/test_arm_instructions.cpp b/tests/A32/test_arm_instructions.cpp
index 11b263f9..d01e3810 100644
--- a/tests/A32/test_arm_instructions.cpp
+++ b/tests/A32/test_arm_instructions.cpp
@@ -464,4 +464,40 @@ TEST_CASE("arm: PackedAbsDiffSumS8", "[arm][A32]") {
     REQUIRE(jit.Regs()[14] == 0xe591fd11);
     REQUIRE(jit.Regs()[15] == 0x00000008);
     REQUIRE(jit.Cpsr() == 0xb0000010);
+
+TEST_CASE("arm: Cleared Q flag", "[arm][A32]") {
+    ArmTestEnv test_env;
+    A32::Jit jit{GetUserConfig(&test_env)};
+
+    //    qadd r1, r0, r0
+    //    msr APSR_nzcvq, #0
+    //    qadd r3, r2, r2
+    //    b +#0 (infinite loop)
+    test_env.code_mem = {
+        0xe1001050,
+        0xe328f000,
+        0xe1023052,
+        0xeafffffe, 
+    };
+
+    jit.Regs() = {
+                0x7FFFFFFF, // R0
+                0x80008000, // R1
+                0x00008000, // R2
+                0x7f7f7f7f, // R3
+                0, 0, 0, 0,
+                0, 0, 0, 0,
+                0, 0, 0, 0,
+    };
+
+    jit.SetCpsr(0x000001d0); // User-mode
+
+    test_env.ticks_left = 4;
+    jit.Run();
+
+    REQUIRE(jit.Regs()[0] == 0x7FFFFFFF);
+    REQUIRE(jit.Regs()[1] == 0x7FFFFFFF);
+    REQUIRE(jit.Regs()[2] == 0x00008000);
+    REQUIRE(jit.Regs()[3] == 0x00010000);
+    REQUIRE(jit.Cpsr() == 0x000001d0);
 }