search for: op0t

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2017 Sep 25
1
TableGen questions.
...t that doesn't generate. I'm currently trying to create a class containing the ins and outs dags, using if(eq()) extensively, so that the multiclass template for the instructions is a single line. Code follows (probably not correct due to name mangling). class IO_MultSrc<bits<2> op0Type, RegisterClass Src0RC> { dag insDefault = !if(!eq(op0Type, 0b01), (ins SpecialReg:$dst, Src0RC:$a), (ins Src0RC:$a)); ... } multiclass MultSrc1Spec<bits<5> subOpcode, bits<2> op0t, string opcodeStr, RegisterClass RegType> {...
2017 Sep 26
0
TableGen questions.
> > On 9/25/2017 6:03 PM, Shane Ryoo via llvm-dev wrote: > > MultSrcOneDestInst<subOpcode, op0t, 0b00, > > IO_MultSrc<op0t, SpecialReg>.outsDefault, > > IO_MultSrc<op0t, SpecialReg>.insDefault>; > I suspect that the use of IO_MultSrc here is the culprit. TableGen has > some limitations here, when it comes to...