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2012 Nov 02
0
[LLVMdev] Alternate instruction encoding for subtargets - SOLVED
...;emitter-instfld". This specifies the name of the field in Instruction that holds the encoded bytes. In my target's td files I simply specify both encodings at the same time. This is my target's Instruction base class. It defines the traditional field Inst and also an additional field Inst6 that holds the alternate encodings for the KCPSM6 sub-target. /// base class - a picoblaze instruction class InstPB<Format form, dag outs, dag ins, string asmstr, list<dag> pattern> : Instruction { field bits<18> Inst; // for KCPSM3 field bits<18> Inst6;...