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[dynarmic] use (v)pshufb (SSSE3+) for VREV32/64 emits (#2851)

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2851
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: Caio Oliveira <caiooliveirafarias0@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-10-29 13:12:39 +01:00 • committed by crueter
parent 9582dfffee
commit e4b0c03a22
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2 changed files with 48 additions and 27 deletions
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22
src/dynarmic/tests/A64/a64.cpp
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@ -91,6 +91,28 @@ TEST_CASE("A64: CLZ", "[a64]") {
REQUIRE(jit.GetVector(5) == Vector{0x0, 0x0000001e0000001f});
}
TEST_CASE("A64: VREV", "[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.REV32(V0.B16(), V5.B16());
code.REV32(V1.H8(), V5.H8());
code.REV64(V2.B16(), V5.B16());
code.REV64(V3.H8(), V5.H8());
code.REV64(V4.S4(), V5.S4());
jit.SetPC(0);
jit.SetVector(5, {0x1020304050607080, 0x90A0B0C0D0E0F000});
env.ticks_left = env.code_mem.size();
CheckedRun([&]() { jit.Run(); });
REQUIRE(jit.GetVector(0) == Vector{0x4030201080706050, 0xc0b0a09000f0e0d0});
REQUIRE(jit.GetVector(1) == Vector{0x3040102070805060, 0xb0c090a0f000d0e0});
REQUIRE(jit.GetVector(2) == Vector{0x8070605040302010, 0x00f0e0d0c0b0a090});
REQUIRE(jit.GetVector(3) == Vector{0x7080506030401020, 0xf000d0e0b0c090a0});
REQUIRE(jit.GetVector(4) == Vector{0x5060708010203040, 0xd0e0f00090a0b0c0});
}
TEST_CASE("A64: UADDL{V,P}", "[a64]") {
A64TestEnv env;
A64::UserConfig jit_user_config{};