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grubbymits
2013 Oct 04
1
[LLVMdev] ADDE to use branch registers
Hi,
I am working on a LLVM backend that has eight different branch registers. I am having a lot of trouble with implementing the following instructions:
addcg $r0.1, $b0.0 = $r0.1, $r0.1, $b0.0
(r is a general purpose register and b is a 1 bit branch register) The branch register is used for carry in and carry out.
I have noticed that this instruction is very closely related to the ADDE