add reprod examples for issues
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20
reprod/16_custom_register_read.core_desc
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20
reprod/16_custom_register_read.core_desc
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// Custom registers can be read only once (also for custom register fields)
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InstructionSet Zbb {
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architectural_state {
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unsigned int XLEN=32;
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const register unsigned<32> XLEN_R = 32;
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register unsigned<XLEN> X[32] [[is_main_reg]];
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register unsigned<8> LFSR;
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}
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instructions {
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TEST {
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encoding: 12'b011000000000 :: rs1[4:0] :: 3'b001 :: rd[4:0] :: 7'b0010011;
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assembly: "{name(rd)}, {name(rs1)}";
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behavior: {
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unsigned<8> a = LFSR;
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unsigned<8> b = LFSR;
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}
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}
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}
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}
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