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backend/arm64: Implement Pack2x64To1x128

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Merry 2022-07-22 23:52:41 +01:00 committed by merry
parent 98806139a5
commit 7c86b06233
1 changed files with 35 additions and 4 deletions
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39
src/dynarmic/backend/arm64/emit_arm64_data_processing.cpp
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@ -34,10 +34,41 @@ void EmitIR<IR::Opcode::Pack2x32To1x64>(oaknut::CodeGenerator& code, EmitContext
template<>
void EmitIR<IR::Opcode::Pack2x64To1x128>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (args[0].IsInGpr() && args[1].IsInGpr()) {
auto Xlo = ctx.reg_alloc.ReadX(args[0]);
auto Xhi = ctx.reg_alloc.ReadX(args[1]);
auto Qresult = ctx.reg_alloc.WriteQ(inst);
RegAlloc::Realize(Xlo, Xhi, Qresult);
code.FMOV(Qresult->toD(), Xlo);
code.MOV(oaknut::VRegSelector{Qresult->index()}.D()[1], Xhi);
} else if (args[0].IsInGpr()) {
auto Xlo = ctx.reg_alloc.ReadX(args[0]);
auto Dhi = ctx.reg_alloc.ReadD(args[1]);
auto Qresult = ctx.reg_alloc.WriteQ(inst);
RegAlloc::Realize(Xlo, Dhi, Qresult);
code.FMOV(Qresult->toD(), Xlo);
code.MOV(oaknut::VRegSelector{Qresult->index()}.D()[1], oaknut::VRegSelector{Dhi->index()}.D()[0]);
} else if (args[1].IsInGpr()) {
auto Dlo = ctx.reg_alloc.ReadD(args[0]);
auto Xhi = ctx.reg_alloc.ReadX(args[1]);
auto Qresult = ctx.reg_alloc.WriteQ(inst);
RegAlloc::Realize(Dlo, Xhi, Qresult);
code.FMOV(Qresult->toD(), Dlo); // TODO: Move eliminiation
code.MOV(oaknut::VRegSelector{Qresult->index()}.D()[1], Xhi);
} else {
auto Dlo = ctx.reg_alloc.ReadD(args[0]);
auto Dhi = ctx.reg_alloc.ReadD(args[1]);
auto Qresult = ctx.reg_alloc.WriteQ(inst);
RegAlloc::Realize(Dlo, Dhi, Qresult);
code.FMOV(Qresult->toD(), Dlo); // TODO: Move eliminiation
code.MOV(oaknut::VRegSelector{Qresult->index()}.D()[1], oaknut::VRegSelector{Dhi->index()}.D()[0]);
}
}
template<>