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tests/fp_min_max: Add a few more test cases

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Merry 2022-12-29 17:16:06 +00:00 committed by merry
parent 90d6a51f82
commit 0869c26b4f
2 changed files with 96 additions and 5 deletions
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18
tests/A64/a64.cpp
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@ -702,6 +702,24 @@ TEST_CASE("A64: FMAXNM (example)", "[a64]") {
REQUIRE(jit.GetVector(2) == Vector{0x7fc0000009503366, 0x3ff0000000000000});
}
TEST_CASE("A64: FMAXNM (example 2)", "[a64]") {
A64TestEnv env;
A64::Jit jit{A64::UserConfig{&env}};
env.code_mem.emplace_back(0x4e3bc6fd); // FMAXNM.4S V29, V23, V27
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetFpcr(0x01400000);
jit.SetVector(23, {0xb485877c'42280000, 0x317285d3'b5c8e5d3});
jit.SetVector(27, {0xbc48d091'c79b271e, 0xff800001'3304c3ef});
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(29) == Vector{0xb485877c'42280000, 0xffc00001'3304c3ef});
}
TEST_CASE("A64: 128-bit exclusive read/write", "[a64]") {
A64TestEnv env;
ExclusiveMonitor monitor{1};

83
tests/A64/fp_min_max.cpp
View file

@ -31,28 +31,50 @@ const std::vector test_cases{
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{0x7fc00041, 0x7fc00041, 0x7fc00041, 0x7fc00041, 0x7fc00041, 0x7fc00041}, // 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{0x7f800000, 0xff800000, 0x7f800000, 0x7f800000, 0xff800000, 0xff800000}, // (+Inf, -Inf)
TestCase{0x3f800000, 0x7fc00041, 0x7fc00041, 0x3f800000, 0x7fc00041, 0x3f800000}, // (+1.0, QNaN)
TestCase{0x3f800000, 0x7f800042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // (+1.0, SNaN)
TestCase{0x7f800000, 0x7fc00041, 0x7fc00041, 0x7f800000, 0x7fc00041, 0x7f800000}, // (+Inf, QNaN)
TestCase{0x7f800000, 0x7f800042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // (+Inf, SNaN)
TestCase{0x7fc00041, 0x7f800042, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // (QNaN, SNaN)
TestCase{0xffa57454, 0xe343a6b3, 0xffe57454, 0xffe57454, 0xffe57454, 0xffe57454},
};
const std::vector unidirectional_test_cases{
TestCase{0x7fc00041, 0x7fc00043, 0x7fc00041, 0x7fc00041, 0x7fc00041, 0x7fc00041}, // (QNaN, QNaN)
TestCase{0x7f800042, 0x7f800044, 0x7fc00042, 0x7fc00042, 0x7fc00042, 0x7fc00042}, // (SNaN, SNaN)
};
constexpr u32 default_nan = 0x7fc00000;
bool is_nan(u32 value) {
return (value & 0x7f800000) == 0x7f800000 && (value & 0x007fffff) != 0;
}
u32 force_default_nan(u32 value) {
return is_nan(value) ? default_nan : value;
}
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 .
env.code_mem.emplace_back(instruction); // FMAX S0, S1, S2
env.code_mem.emplace_back(0x14000000); // B .
for (const auto test_case : test_cases) {
INFO(test_case.a);
INFO(test_case.b);
jit.SetFpcr(0);
jit.SetVector(0, {42, 0});
jit.SetVector(1, {test_case.a, 0});
jit.SetVector(2, {test_case.b, 0});
@ -72,6 +94,57 @@ void run_test(u32 instruction, Fn fn) {
jit.Run();
REQUIRE(jit.GetVector(0)[0] == fn(test_case));
jit.SetFpcr(0x02000000);
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] == force_default_nan(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] == force_default_nan(fn(test_case)));
}
for (const auto test_case : unidirectional_test_cases) {
INFO(test_case.a);
INFO(test_case.b);
jit.SetFpcr(0);
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.SetFpcr(0x02000000);
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] == force_default_nan(fn(test_case)));
}
}