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fuzz_arm: Add tests for parallel add/subtract (modulo)

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MerryMage 2016-12-04 20:51:12 +00:00
parent 25f21b5371
commit 370f654590
1 changed files with 21 additions and 0 deletions
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21
tests/arm/fuzz_arm.cpp
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@ -839,6 +839,21 @@ TEST_CASE("Fuzz ARM parallel instructions", "[JitX64]") {
return Bits<0, 3>(instr) != 0b1111 && Bits<12, 15>(instr) != 0b1111 && Bits<16, 19>(instr) != 0b1111;
};
const std::array<InstructionGenerator, 12> modulo_instructions = {{
InstructionGenerator("cccc01100001nnnndddd11111001mmmm", is_valid), // SADD8
InstructionGenerator("cccc01100001nnnndddd11110001mmmm", is_valid), // SADD16
InstructionGenerator("cccc01100001nnnndddd11110011mmmm", is_valid), // SASX
InstructionGenerator("cccc01100001nnnndddd11110101mmmm", is_valid), // SSAX
InstructionGenerator("cccc01100001nnnndddd11111111mmmm", is_valid), // SSUB8
InstructionGenerator("cccc01100001nnnndddd11110111mmmm", is_valid), // SSUB16
InstructionGenerator("cccc01100101nnnndddd11111001mmmm", is_valid), // UADD8
InstructionGenerator("cccc01100101nnnndddd11110001mmmm", is_valid), // UADD16
InstructionGenerator("cccc01100101nnnndddd11110011mmmm", is_valid), // UASX
InstructionGenerator("cccc01100101nnnndddd11110101mmmm", is_valid), // USAX
InstructionGenerator("cccc01100101nnnndddd11111111mmmm", is_valid), // USUB8
InstructionGenerator("cccc01100101nnnndddd11110111mmmm", is_valid), // USUB16
}};
const std::array<InstructionGenerator, 8> saturating_instructions = {{
InstructionGenerator("cccc01100010nnnndddd11111001mmmm", is_valid), // QADD8
InstructionGenerator("cccc01100010nnnndddd11111111mmmm", is_valid), // QSUB8
@ -865,6 +880,12 @@ TEST_CASE("Fuzz ARM parallel instructions", "[JitX64]") {
InstructionGenerator("cccc01100111nnnndddd11110111mmmm", is_valid), // UHSUB16
}};
SECTION("Parallel Add/Subtract (Modulo)") {
FuzzJitArm(1, 1, 10000, [&modulo_instructions]() -> u32 {
return modulo_instructions[RandInt<size_t>(0, modulo_instructions.size() - 1)].Generate();
});
}
SECTION("Parallel Add/Subtract (Saturating)") {
FuzzJitArm(1, 1, 10000, [&saturating_instructions]() -> u32 {
return saturating_instructions[RandInt<size_t>(0, saturating_instructions.size() - 1)].Generate();