dynarmic/tests/A64/fp_min_max.cpp

110 lines
3.7 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2022 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#include <vector>
#include <catch2/catch.hpp>
#include <mcl/stdint.hpp>
#include "./testenv.h"
using namespace Dynarmic;
namespace {
struct TestCase {
u32 a;
u32 b;
u32 fmax;
u32 fmaxnm;
u32 fmin;
u32 fminnm;
};
const std::vector test_cases{
// a b fmax fmaxnm fmin fminnm
TestCase{0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, // +0.0
TestCase{0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000}, // -0.0
TestCase{0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000}, // +1.0
TestCase{0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000, 0xbf800000}, // -1.0
TestCase{0x7f800000, 0x7f800000, 0x7f800000, 0x7f800000, 0x7f800000, 0x7f800000}, // +Inf
TestCase{0xff800000, 0xff800000, 0xff800000, 0xff800000, 0xff800000, 0xff800000}, // -Inf
TestCase{0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // QNaN
TestCase{0x7f800042, 0x7f800042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // SNaN
TestCase{0x00000000, 0x80000000, 0x00000000, 0x00000000, 0x80000000, 0x80000000}, // (+0.0, -0.0)
TestCase{0x3f800000, 0xbf800000, 0x3f800000, 0x3f800000, 0xbf800000, 0xbf800000}, // (+1.0, -1.0)
TestCase{0x3f800000, 0x7f800000, 0x7f800000, 0x7f800000, 0x3f800000, 0x3f800000}, // (+1.0, +Inf)
TestCase{0x3f800000, 0xff800000, 0x3f800000, 0x3f800000, 0xff800000, 0xff800000}, // (+1.0, -Inf)
TestCase{0x3f800000, 0x7fc00042, 0x7fc00042, 0x3f800000, 0x7fc00042, 0x3f800000}, // (+1.0, QNaN)
TestCase{0x3f800000, 0x7f800042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // (+1.0, SNaN)
};
template<typename Fn>
void run_test(u32 instruction, Fn fn) {
A64TestEnv env;
A64::Jit jit{A64::UserConfig{&env}};
for (const auto test_case : test_cases) {
env.code_mem.emplace_back(instruction); // FMAX S0, S1, S2
env.code_mem.emplace_back(0x14000000); // B .
INFO(test_case.a);
INFO(test_case.b);
jit.SetVector(0, {42, 0});
jit.SetVector(1, {test_case.a, 0});
jit.SetVector(2, {test_case.b, 0});
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(0)[0] == fn(test_case));
jit.SetVector(0, {42, 0});
jit.SetVector(1, {test_case.b, 0});
jit.SetVector(2, {test_case.a, 0});
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(0)[0] == fn(test_case));
}
}
} // namespace
TEST_CASE("A64: FMAX (scalar)", "[a64]") {
run_test(0x1e224820, [](const TestCase& test_case) { return test_case.fmax; });
}
TEST_CASE("A64: FMIN (scalar)", "[a64]") {
run_test(0x1e225820, [](const TestCase& test_case) { return test_case.fmin; });
}
TEST_CASE("A64: FMAXNM (scalar)", "[a64]") {
run_test(0x1e226820, [](const TestCase& test_case) { return test_case.fmaxnm; });
}
TEST_CASE("A64: FMINNM (scalar)", "[a64]") {
run_test(0x1e227820, [](const TestCase& test_case) { return test_case.fminnm; });
}
TEST_CASE("A64: FMAX (vector)", "[a64]") {
run_test(0x4e22f420, [](const TestCase& test_case) { return test_case.fmax; });
}
TEST_CASE("A64: FMIN (vector)", "[a64]") {
run_test(0x4ea2f420, [](const TestCase& test_case) { return test_case.fmin; });
}
TEST_CASE("A64: FMAXNM (vector)", "[a64]") {
run_test(0x4e22c420, [](const TestCase& test_case) { return test_case.fmaxnm; });
}
TEST_CASE("A64: FMINNM (vector)", "[a64]") {
run_test(0x4ea2c420, [](const TestCase& test_case) { return test_case.fminnm; });
}