[PATCH] Sparc: support the "set" synthetic instruction.

[James Y Knight]

================
Comment at: lib/Target/Sparc/AsmParser/SparcAsmParser.cpp:81
@@ +80,3 @@
+
+  void ExpandSET(MCInst &Inst, SMLoc IDLoc,
+                 SmallVectorImpl<MCInst> &Instructions,
----------------
venkatra wrote:
> Change the function name to expandSET().
> 
> According to the coding standard, function names should start with lower case.  
Done.

================
Comment at: lib/Target/Sparc/AsmParser/SparcAsmParser.cpp:438
@@ +437,3 @@
+  // the imm operand can be either an expression or an immediate.
+  bool IsImm = Inst.getOperand(1).isImm();
+  uint64_t ImmValue = IsImm ? Inst.getOperand(1).getImm() : 0;
----------------
venkatra wrote:
> Use MCValOp itself.
Done.

http://reviews.llvm.org/D9089

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