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shader/arithmetic_integer: Fix edge case and mark IADD.X Rd.CC as unimplemented
IADD.X Rd.CC requires some extra logic that is not currently implemented. Abort when this is hit.
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@ -35,7 +35,8 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
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case OpCode::Id::IADD_C:
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case OpCode::Id::IADD_R:
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case OpCode::Id::IADD_IMM: {
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UNIMPLEMENTED_IF_MSG(instr.alu.saturate_d, "IADD saturation not implemented");
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UNIMPLEMENTED_IF_MSG(instr.alu.saturate_d, "IADD.SAT");
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UNIMPLEMENTED_IF_MSG(instr.iadd.x && instr.generates_cc, "IADD.X Rd.CC");
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op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true);
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op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true);
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@ -49,6 +50,10 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
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}
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if (instr.generates_cc) {
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// Avoid changing result's carry flag
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SetTemporary(bb, 0, std::move(value));
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value = GetTemporary(0);
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const Node i0 = Immediate(0);
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Node zero = Operation(OperationCode::LogicalIEqual, value, i0);
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