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fuzz_with_unicorn: Move data outside loop

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Given we know we're only ever going to use one instruction, we can just presize the vector and reassign to it
instead of potentially reallocating the same memory 100000 times
This commit is contained in:
Lioncash 2018-01-27 15:06:55 -05:00 committed by MerryMage
parent cd69c6a17c
commit 71422c2b48
1 changed files with 5 additions and 4 deletions
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9
tests/A64/fuzz_with_unicorn.cpp
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@ -96,13 +96,14 @@ static void RunTestInstance(const std::array<u64, 31>& regs, const std::array<Ve
} }
TEST_CASE("A64: Single random instruction", "[a64]") { TEST_CASE("A64: Single random instruction", "[a64]") {
std::array<u64, 31> regs;
std::array<Vector, 32> vecs;
std::vector<u32> instructions(1);
for (size_t iteration = 0; iteration < 100000; ++iteration) { for (size_t iteration = 0; iteration < 100000; ++iteration) {
std::array<u64, 31> regs;
std::generate(regs.begin(), regs.end(), []{ return RandInt<u64>(0, ~u64(0)); }); std::generate(regs.begin(), regs.end(), []{ return RandInt<u64>(0, ~u64(0)); });
std::array<Vector, 32> vecs;
std::generate(vecs.begin(), vecs.end(), RandomVector); std::generate(vecs.begin(), vecs.end(), RandomVector);
std::vector<u32> instructions; instructions[0] = GenRandomInst(0, true);
instructions.push_back(GenRandomInst(0, true));
u32 pstate = RandInt<u32>(0, 0xF) << 28; u32 pstate = RandInt<u32>(0, 0xF) << 28;
INFO("Instruction: 0x" << std::hex << instructions[0]); INFO("Instruction: 0x" << std::hex << instructions[0]);