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fuzz_with_unicorn: Move std::vector outside loop in small random block test case

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Avoids constructing and destructing the vector repeatedly, we can just
alter the contents of the vector on each iteration instead. Also move
out the std::array instances as well, like with the floating-point test
case and the single random instruction test case.

We can also use the regular form of std::generate and avoid hardcoding
size values twice.
This commit is contained in:
Lioncash 2018-07-13 09:39:56 -04:00 committed by Merry
parent 537df2e0b8
commit a665470545
1 changed files with 13 additions and 10 deletions
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23
tests/A64/fuzz_with_unicorn.cpp
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@ -372,17 +372,20 @@ TEST_CASE("A64: Floating point instructions", "[a64]") {
}
TEST_CASE("A64: Small random block", "[a64]") {
std::array<u64, 31> regs;
std::array<Vector, 32> vecs;
std::vector<u32> instructions(5);
for (size_t iteration = 0; iteration < 100000; ++iteration) {
std::array<u64, 31> regs;
std::generate_n(regs.begin(), 31, []{ return RandInt<u64>(0, ~u64(0)); });
std::array<Vector, 32> vecs;
std::generate_n(vecs.begin(), 32, []{ return RandomVector(); });
std::vector<u32> instructions;
instructions.push_back(GenRandomInst(0, false));
instructions.push_back(GenRandomInst(4, false));
instructions.push_back(GenRandomInst(8, false));
instructions.push_back(GenRandomInst(12, false));
instructions.push_back(GenRandomInst(16, true));
std::generate(regs.begin(), regs.end(), [] { return RandInt<u64>(0, ~u64(0)); });
std::generate(vecs.begin(), vecs.end(), RandomVector);
instructions[0] = GenRandomInst(0, false);
instructions[1] = GenRandomInst(4, false);
instructions[2] = GenRandomInst(8, false);
instructions[3] = GenRandomInst(12, false);
instructions[4] = GenRandomInst(16, true);
u32 pstate = RandInt<u32>(0, 0xF) << 28;
u32 fpcr = RandInt<u32>(0, 0x3) << 22; // randomize RMode