tests: Add tests for vadd

CMakeLists.txt

@@ -301,9 +301,9 @@ get_git_head_revision(GIT_REF_SPEC GIT_REV)
 git_describe(GIT_DESC --always --long --dirty)
 git_branch_name(GIT_BRANCH)
 
+enable_testing()
 add_subdirectory(externals)
 add_subdirectory(src)
-enable_testing()
 
 
 # Installation instructions

src/tests/CMakeLists.txt

@@ -1,6 +1,7 @@
 set(SRCS
             common/param_package.cpp
             core/arm/arm_test_common.cpp
+            core/arm/dyncom/arm_dyncom_vfp_tests.cpp
             core/file_sys/path_parser.cpp
             core/hle/kernel/hle_ipc.cpp
             glad.cpp

src/tests/core/arm/arm_test_common.h

@@ -25,7 +25,8 @@ class TestEnvironment final {
 public:
     /*
      * Inititalise test environment
-     * @param mutable_memory If false, writes to memory can never be read back. (Memory is immutable.)
+     * @param mutable_memory If false, writes to memory can never be read back.
+     *                       (Memory is immutable.)
      */
     explicit TestEnvironment(bool mutable_memory = false);
 

src/tests/core/arm/dyncom/arm_dyncom_vfp_tests.cpp

@@ -0,0 +1,50 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <catch.hpp>
+
+#include "core/arm/dyncom/arm_dyncom.h"
+#include "tests/core/arm/arm_test_common.h"
+
+namespace ArmTests {
+
+struct VfpTestCase {
+    u32 initial_fpscr;
+    u32 a;
+    u32 b;
+    u32 result;
+    u32 final_fpscr;
+};
+
+TEST_CASE("ARM_DynCom (vfp): vadd", "[arm_dyncom]") {
+    TestEnvironment test_env(false);
+    test_env.SetMemory32(0, 0xEE321A03); // vadd.f32 s2, s4, s6
+    test_env.SetMemory32(4, 0xEAFFFFFE); // b +#0
+
+    ARM_DynCom dyncom(USER32MODE);
+
+    std::vector<VfpTestCase> test_cases{{
+#include "vfp_vadd_f32.inc"
+    }};
+
+    for (const auto& test_case : test_cases) {
+        dyncom.down_count = 1000; // Ensure that CoreTimeing will not be called.
+        dyncom.SetPC(0);
+        dyncom.SetVFPSystemReg(VFP_FPSCR, test_case.initial_fpscr);
+        dyncom.SetVFPReg(4, test_case.a);
+        dyncom.SetVFPReg(6, test_case.b);
+        dyncom.ExecuteInstructions(1);
+        if (dyncom.GetVFPReg(2) != test_case.result ||
+            dyncom.GetVFPSystemReg(VFP_FPSCR) != test_case.final_fpscr) {
+            printf("f: %x\n", test_case.initial_fpscr);
+            printf("a: %x\n", test_case.a);
+            printf("b: %x\n", test_case.b);
+            printf("c: %x (%x)\n", dyncom.GetVFPReg(2), test_case.result);
+            printf("f: %x (%x)\n", dyncom.GetVFPSystemReg(VFP_FPSCR), test_case.final_fpscr);
+            FAIL();
+        }
+    }
+}
+
+} // namespace ArmTests