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ccaa
2012 Nov 02
0
[LLVMdev] Alternate instruction encoding for subtargets - SOLVED
...ode which is different
between the sub-targets is also specified twice in the class
parameters as the op13 (KCPSM3) and op16 (KCPSM6) argument.
class AJumpCC<bits<6> op13, bits<6> op16,
dag outs, dag ins, string asmstr, list<dag> pattern>
: InstPB<FCCAA, outs, ins, asmstr, pattern>
{
bits<2> cc; // condition codes
bits<12> dst; // address field
// encode KCPSM3
let Inst{17-12} = op13;
let Inst{11-10} = cc;
let Inst{9-0} = dst{9-0};
// encode KCPSM6
let Inst6{17-16} = op16{5-4};
le...