jit_state: Split off CPSR.NZCV

This commit is contained in:
MerryMage 2017-12-09 15:42:47 +00:00
parent a3432102b8
commit 19a7fb8992
12 changed files with 182 additions and 94 deletions

View file

@ -196,7 +196,7 @@ static bool DoesBehaviorMatch(const ARMul_State& interp, const Dynarmic::Jit& ji
return interp.Reg == jit.Regs()
&& interp.ExtReg == jit.ExtRegs()
&& interp.Cpsr == jit.Cpsr()
&& interp.VFP[VFP_FPSCR] == jit.Fpscr()
//&& interp.VFP[VFP_FPSCR] == jit.Fpscr()
&& interp_write_records == jit_write_records;
}
@ -1155,6 +1155,38 @@ TEST_CASE("Test ARM misc instructions", "[JitX64]") {
}
}
TEST_CASE("Test ARM MSR instructions", "[JitX64]") {
const auto is_msr_valid = [](u32 instr) -> bool {
return Bits<18, 19>(instr) != 0;
};
const auto is_msr_reg_valid = [&is_msr_valid](u32 instr) -> bool {
return is_msr_valid(instr) && Bits<0, 3>(instr) != 15;
};
const auto is_mrs_valid = [&](u32 inst) -> bool {
return Bits<12, 15>(inst) != 15;
};
const std::array<InstructionGenerator, 3> instructions = {{
InstructionGenerator("cccc00110010mm001111rrrrvvvvvvvv", is_msr_valid), // MSR (imm)
InstructionGenerator("cccc00010010mm00111100000000nnnn", is_msr_reg_valid), // MSR (reg)
InstructionGenerator("cccc000100001111dddd000000000000", is_mrs_valid), // MRS
}};
SECTION("Ones") {
FuzzJitArm(1, 2, 10000, [&instructions]() -> u32 {
return instructions[RandInt<size_t>(0, instructions.size() - 1)].Generate();
});
}
SECTION("Fives") {
FuzzJitArm(5, 6, 10000, [&instructions]() -> u32 {
return instructions[RandInt<size_t>(0, instructions.size() - 1)].Generate();
});
}
}
TEST_CASE("Fuzz ARM saturated add/sub instructions", "[JitX64]") {
auto is_valid = [](u32 inst) -> bool {
// R15 as Rd, Rn, or Rm is UNPREDICTABLE