[LLVMdev] Need Help Understanding Operands in X86 MachineFunctionPass
preston.gurd at intel.com
Tue Sep 11 11:52:45 PDT 2012
From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of John Criswell
Sent: Tuesday, September 11, 2012 1:42 PM
To: Steve Checkoway
Cc: LLVMdev at cs.uiuc.edu
Subject: Re: [LLVMdev] Need Help Understanding Operands in X86 MachineFunctionPass
>> The code for adding the 32-bit instruction is:
> That's surprising to me. What are all of those registers and immediates for?
That is precisely my question. What do all of those register and immediate arguments do?
-- John T.
The X86 backend records a machine memory operand using a sequence of five operands, as follows:
More information about the llvm-dev