emit_arm64_packed: Implement PackedAddS8
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1 changed files with 17 additions and 4 deletions
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@ -40,10 +40,23 @@ void EmitIR<IR::Opcode::PackedAddU8>(oaknut::CodeGenerator& code, EmitContext& c
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template<>
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void EmitIR<IR::Opcode::PackedAddS8>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
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(void)code;
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(void)ctx;
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(void)inst;
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ASSERT_FALSE("Unimplemented");
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const auto ge_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetGEFromOp);
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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auto Vresult = ctx.reg_alloc.WriteD(inst);
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auto Va = ctx.reg_alloc.ReadD(args[0]);
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auto Vb = ctx.reg_alloc.ReadD(args[1]);
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RegAlloc::Realize(Vresult, Va, Vb);
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code.ADD(Vresult->B8(), Va->B8(), Vb->B8());
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if (ge_inst) {
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auto Vge = ctx.reg_alloc.WriteD(ge_inst);
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RegAlloc::Realize(Vge);
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code.SHADD(Vge->B8(), Va->B8(), Vb->B8());
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code.CMGE(Vge->B8(), Vge->B8(), 0);
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}
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}
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template<>
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