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tests/A32: Check if Q flag is cleared properly

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This commit is contained in:
SachinVin 2019-10-06 11:22:25 +05:30
parent 296bbdd0b0
commit f8594f3bb9
1 changed files with 37 additions and 0 deletions
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37
tests/A32/test_arm_instructions.cpp
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@ -425,3 +425,40 @@ TEST_CASE("arm: Test stepping 3", "[arm]") {
REQUIRE(jit.Regs()[15] == 20);
REQUIRE(jit.Cpsr() == 0x000001d0);
}
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);
}