gl_shader_decompiler: Implement HSET2_R
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@ -831,6 +831,21 @@ union Instruction {
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BitField<56, 1, u64> neg_imm;
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BitField<56, 1, u64> neg_imm;
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} fset;
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} fset;
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union {
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BitField<49, 1, u64> bf;
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BitField<35, 3, PredCondition> cond;
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BitField<50, 1, u64> ftz;
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BitField<45, 2, PredOperation> op;
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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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} hset2;
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union {
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union {
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BitField<39, 3, u64> pred39;
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BitField<39, 3, u64> pred39;
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BitField<42, 1, u64> neg_pred;
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BitField<42, 1, u64> neg_pred;
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@ -1257,6 +1272,7 @@ public:
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HFMA2_RR,
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HFMA2_RR,
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HFMA2_IMM_R,
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HFMA2_IMM_R,
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HSETP2_R,
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HSETP2_R,
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HSET2_R,
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POPC_C,
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POPC_C,
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POPC_R,
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POPC_R,
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POPC_IMM,
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POPC_IMM,
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@ -1343,6 +1359,7 @@ public:
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FloatSetPredicate,
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FloatSetPredicate,
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IntegerSet,
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IntegerSet,
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IntegerSetPredicate,
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IntegerSetPredicate,
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HalfSet,
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HalfSetPredicate,
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HalfSetPredicate,
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PredicateSetPredicate,
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PredicateSetPredicate,
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PredicateSetRegister,
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PredicateSetRegister,
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@ -1516,6 +1533,7 @@ private:
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INST("0101110100000---", Id::HFMA2_RR, Type::Hfma2, "HFMA2_RR"),
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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("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("0101110100100---", Id::HSETP2_R, Type::HalfSetPredicate, "HSETP_R"),
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INST("0101110100011---", Id::HSET2_R, Type::HalfSet, "HSET2_R"),
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INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
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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("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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INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),
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@ -2996,6 +2996,50 @@ private:
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}
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}
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break;
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break;
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}
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}
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case OpCode::Type::HalfSet: {
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ASSERT_MSG(instr.hset2.ftz == 0, "Unimplemented");
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const std::string op_a =
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GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr8, 0, false), instr.hset2.type_a,
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instr.hset2.abs_a != 0, instr.hset2.negate_a != 0);
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const std::string op_b = [&]() {
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switch (opcode->GetId()) {
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case OpCode::Id::HSET2_R:
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return GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr20, 0, false),
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instr.hset2.type_b, instr.hset2.abs_b != 0,
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instr.hset2.negate_b != 0);
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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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const std::string second_pred =
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GetPredicateCondition(instr.hset2.pred39, instr.hset2.neg_pred != 0);
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const std::string combiner = GetPredicateCombiner(instr.hset2.op);
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// HSET2 operates on each half float in the pack.
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std::string result;
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for (int i = 0; i < 2; ++i) {
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const std::string float_value = i == 0 ? "0x00003c00" : "0x3c000000";
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const std::string integer_value = i == 0 ? "0x0000ffff" : "0xffff0000";
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const std::string value = instr.hset2.bf == 1 ? float_value : integer_value;
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const std::string comp = std::string(".") + "xy"[i];
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const std::string predicate =
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"((" + GetPredicateComparison(instr.hset2.cond, op_a + comp, op_b + comp) +
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") " + combiner + " (" + second_pred + "))";
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result += '(' + predicate + " ? " + value + " : 0)";
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if (i == 0) {
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result += " | ";
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}
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}
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regs.SetRegisterToInteger(instr.gpr0, false, 0, '(' + result + ')', 1, 1);
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break;
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}
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case OpCode::Type::Xmad: {
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case OpCode::Type::Xmad: {
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ASSERT_MSG(!instr.xmad.sign_a, "Unimplemented");
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ASSERT_MSG(!instr.xmad.sign_a, "Unimplemented");
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ASSERT_MSG(!instr.xmad.sign_b, "Unimplemented");
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ASSERT_MSG(!instr.xmad.sign_b, "Unimplemented");
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