[mips][microMIPS] Implement ADDIUS5 instruction
Differential Revision: http://reviews.llvm.org/D5049
llvm-svn: 219495
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 21d2876..db9c679 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -1117,6 +1117,25 @@
} // for
} // if load/store
+ // TODO: Handle this with the AsmOperandClass.PredicateMethod.
+ if (inMicroMipsMode()) {
+ MCOperand Opnd;
+ int Imm;
+
+ switch (Inst.getOpcode()) {
+ default:
+ break;
+ case Mips::ADDIUS5_MM:
+ Opnd = Inst.getOperand(2);
+ if (!Opnd.isImm())
+ return Error(IDLoc, "expected immediate operand kind");
+ Imm = Opnd.getImm();
+ if (Imm < -8 || Imm > 7)
+ return Error(IDLoc, "immediate operand value out of range");
+ break;
+ }
+ }
+
if (needsExpansion(Inst))
return expandInstruction(Inst, IDLoc, Instructions);
else