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r4riaddr
2005 Aug 11
1
[LLVMdev] Define an instruction with many operands
If I have an instruction which has many register and immediate
operands, what's the difference between these two implementations to
define the instruction 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).