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Add Subv's sign/zero extension tests

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This commit is contained in:
Tillmann Karras 2016-08-05 02:35:27 +01:00
parent a281fcc744
commit 81d9d4b012
1 changed files with 41 additions and 0 deletions
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41
tests/arm/fuzz_arm.cpp
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@ -671,6 +671,47 @@ TEST_CASE("Fuzz ARM Load/Store instructions", "[JitX64]") {
}
*/
TEST_CASE("Fuzz ARM extension instructions", "[JitX64]") {
const auto is_valid = [](u32 instr) -> bool {
// R15 as Rd or Rm is UNPREDICTABLE
return Dynarmic::Common::Bits<0, 3>(instr) != 0b1111 && Dynarmic::Common::Bits<12, 15>(instr) != 0b1111;
};
const std::array<InstructionGenerator, 6> signed_instructions = {
{
InstructionGenerator("cccc011010101111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc011010001111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc011010111111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101010nnnnddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101000nnnnddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101011nnnnddddrr000111mmmm", is_valid),
}
};
const std::array<InstructionGenerator, 6> unsigned_instructions = {
{
InstructionGenerator("cccc011011101111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc011011001111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc011011111111ddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101110nnnnddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101100nnnnddddrr000111mmmm", is_valid),
InstructionGenerator("cccc01101111nnnnddddrr000111mmmm", is_valid),
}
};
SECTION("Signed extension") {
FuzzJitArm(1, 1, 10000, [&signed_instructions]() -> u32 {
return signed_instructions[RandInt<size_t>(0, signed_instructions.size() - 1)].Generate();
});
}
SECTION("Unsigned extension") {
FuzzJitArm(1, 1, 10000, [&unsigned_instructions]() -> u32 {
return unsigned_instructions[RandInt<size_t>(0, unsigned_instructions.size() - 1)].Generate();
});
}
}
TEST_CASE("Fuzz ARM multiply instructions", "[JitX64]") {
auto validate_d_m_n = [](u32 inst) -> bool {
return Dynarmic::Common::Bits<16, 19>(inst) != 15 &&