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gl_shader_decompiler: Implement HSETP2_R
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2 changed files with 65 additions and 0 deletions
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@ -800,6 +800,23 @@ union Instruction {
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BitField<45, 4, PredOperation> op; // op with pred39
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} csetp;
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union {
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BitField<35, 4, PredCondition> cond;
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BitField<49, 1, u64> h_and;
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BitField<6, 1, u64> ftz;
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BitField<45, 2, PredOperation> op;
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BitField<3, 3, u64> pred3;
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BitField<0, 3, u64> pred0;
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BitField<43, 1, u64> negate_a;
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BitField<44, 1, u64> abs_a;
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BitField<47, 2, HalfType> type_a;
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BitField<31, 1, u64> negate_b;
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BitField<30, 1, u64> abs_b;
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BitField<28, 2, HalfType> type_b;
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BitField<42, 1, u64> neg_pred;
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BitField<39, 3, u64> pred39;
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} hsetp2;
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union {
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BitField<39, 3, u64> pred39;
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BitField<42, 1, u64> neg_pred;
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@ -1239,6 +1256,7 @@ public:
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HFMA2_RC,
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HFMA2_RR,
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HFMA2_IMM_R,
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HSETP2_R,
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POPC_C,
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POPC_R,
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POPC_IMM,
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@ -1325,6 +1343,7 @@ public:
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FloatSetPredicate,
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IntegerSet,
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IntegerSetPredicate,
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HalfSetPredicate,
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PredicateSetPredicate,
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PredicateSetRegister,
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Conversion,
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@ -1496,6 +1515,7 @@ private:
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INST("01100---1-------", Id::HFMA2_RC, Type::Hfma2, "HFMA2_RC"),
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INST("0101110100000---", Id::HFMA2_RR, Type::Hfma2, "HFMA2_RR"),
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INST("01110---0-------", Id::HFMA2_IMM_R, Type::Hfma2, "HFMA2_R_IMM"),
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INST("0101110100100---", Id::HSETP2_R, Type::HalfSetPredicate, "HSETP_R"),
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INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
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INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"),
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INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),
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@ -2791,6 +2791,51 @@ private:
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}
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break;
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}
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case OpCode::Type::HalfSetPredicate: {
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ASSERT_MSG(instr.hsetp2.ftz == 0, "Unimplemented");
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const std::string op_a =
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GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr8, 0, false), instr.hsetp2.type_a,
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instr.hsetp2.abs_a, instr.hsetp2.negate_a);
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const std::string op_b = [&]() {
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switch (opcode->GetId()) {
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case OpCode::Id::HSETP2_R:
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return GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr20, 0, false),
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instr.hsetp2.type_b, instr.hsetp2.abs_a,
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instr.hsetp2.negate_b);
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default:
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UNREACHABLE();
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return std::string("vec2(0)");
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}
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}();
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// We can't use the constant predicate as destination.
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ASSERT(instr.hsetp2.pred3 != static_cast<u64>(Pred::UnusedIndex));
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const std::string second_pred =
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GetPredicateCondition(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0);
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const std::string combiner = GetPredicateCombiner(instr.hsetp2.op);
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const std::string component_combiner = instr.hsetp2.h_and ? "&&" : "||";
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const std::string predicate =
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'(' + GetPredicateComparison(instr.hsetp2.cond, op_a + ".x", op_b + ".x") + ' ' +
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component_combiner + ' ' +
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GetPredicateComparison(instr.hsetp2.cond, op_a + ".y", op_b + ".y") + ')';
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// Set the primary predicate to the result of Predicate OP SecondPredicate
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SetPredicate(instr.hsetp2.pred3,
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'(' + predicate + ") " + combiner + " (" + second_pred + ')');
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if (instr.hsetp2.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
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// Set the secondary predicate to the result of !Predicate OP SecondPredicate,
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// if enabled
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SetPredicate(instr.hsetp2.pred0,
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"!(" + predicate + ") " + combiner + " (" + second_pred + ')');
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}
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break;
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}
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case OpCode::Type::PredicateSetRegister: {
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const std::string op_a =
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GetPredicateCondition(instr.pset.pred12, instr.pset.neg_pred12 != 0);
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