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[dynarmic] fix pre-SSE4.1 having errors on CMHI/CMLO, fix extra nuisances and add INTERP testcase (#4025)

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does a bit of code dedup
fixes pre-SSE4.1 having horrific CMHI/CMLO

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4025
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
This commit is contained in:
lizzie
2026-06-03 22:53:21 +02:00
committed by crueter
parent f729dbb3c3
commit ad9af25027
6 changed files with 158 additions and 115 deletions
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src/dynarmic/tests/A64/a64.cpp
+31 -2
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@@ -2587,11 +2587,11 @@ TEST_CASE("A64: Manual Vector Min/Max U64 (Optimizer Test)", "[a64]") {
// MaxU64 pattern: (a > b) ? a : b
code.CMHI(V2.D2(), V0.D2(), V1.D2()); // V2 = Mask (A > B)
code.BSL(V2.B16(), V0.B16(), V1.B16()); // V2 = Resul
code.BSL(V2.B16(), V0.B16(), V1.B16()); // V2 = Result
// MinU64 pattern: (a > b) ? b : a
code.CMHI(V3.D2(), V0.D2(), V1.D2()); // V3 = Mask (A > B)
code.BSL(V3.B16(), V1.B16(), V0.B16()); // V3 = Resul
code.BSL(V3.B16(), V1.B16(), V0.B16()); // V3 = Result
jit.SetPC(0);
jit.SetVector(0, {100, 20});
@@ -2603,3 +2603,32 @@ TEST_CASE("A64: Manual Vector Min/Max U64 (Optimizer Test)", "[a64]") {
CHECK(jit.GetVector(2) == Vector{100, 200});
CHECK(jit.GetVector(3) == Vector{50, 20});
}
TEST_CASE("A64: Rounding", "[a64]") {
A64TestEnv env;
A64::UserConfig jit_user_config{};
jit_user_config.callbacks = &env;
A64::Jit jit{jit_user_config};
oaknut::VectorCodeGenerator code{env.code_mem, nullptr};
code.FRINTN(V1.S4(), V0.S4()); // ToNearest_TieEven
code.FRINTM(V2.S4(), V0.S4()); // TowardsMinusInfinity
code.FRINTP(V3.S4(), V0.S4()); // TowardsPlusInfinity
code.FRINTZ(V4.S4(), V0.S4()); // TowardsZero
code.FRINTA(V5.S4(), V0.S4()); // ToNearest_TieAwayFromZero
code.FRINTX(V6.S4(), V0.S4()); // ToNearest_TieAwayFromZero
jit.SetPC(0);
jit.SetVector(0, {0x4001e17c4001e17c, 0x4001e17c4001e17c});
env.ticks_left = env.code_mem.size();
CheckedRun([&]() { jit.Run(); });
CHECK(jit.GetVector(0) == Vector{0x4001e17c4001e17c, 0x4001e17c4001e17c});
CHECK(jit.GetVector(1) == Vector{0x4000000040000000, 0x4000000040000000});
CHECK(jit.GetVector(2) == Vector{0x4000000040000000, 0x4000000040000000});
CHECK(jit.GetVector(3) == Vector{0x4040000040400000, 0x4040000040400000});
CHECK(jit.GetVector(4) == Vector{0x4000000040000000, 0x4000000040000000});
CHECK(jit.GetVector(5) == Vector{0x4000000040000000, 0x4000000040000000});
CHECK(jit.GetVector(6) == Vector{0x4000000040000000, 0x4000000040000000});
}