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manyoperands
2005 Aug 11
1
[LLVMdev] Define an instruction with many operands
...n in TableGen *.td file?
(1) Similar to what has been done to complex X86 addressing mode. A
single 32-bit immediate (i32) encodes how to add many MachineOperands
to the MachineInstr object (With the help of functions in
X86InstrBuilder.h).
// similar to X86MemOperand in X86InstrInfo.td !!
class ManyOperands : Operand<i32> {
let NumMIOperands = 100; // a very large number
let PrintMethod = "printManyOperands";
}
def MO : ManyOperands;
def FOOBAR: Instruction<(ops MO:$operands), "foobar {$operands}">;
(2) 'Collapse' all operands in .td file. Contrary to me...