[mips] Range check uimm6_lsl2.

Summary:

Reviewers: vkalintiris

Subscribers: dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D17291

llvm-svn: 263419

1 files changed, 3 insertions, 10 deletions

diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 86521de614c..cc54f1d57f6 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -1855,16 +1855,6 @@ bool MipsAsmParser::processInstruction(MCInst &Inst, SMLoc IDLoc,
               ((Imm % 4 == 0) && Imm < 28 && Imm > 0)))
           return Error(IDLoc, "immediate operand value out of range");
         break;
-      case Mips::ADDIUR1SP_MM:
-        Opnd = Inst.getOperand(1);
-        if (!Opnd.isImm())
-          return Error(IDLoc, "expected immediate operand kind");
-        Imm = Opnd.getImm();
-        if (OffsetToAlignment(Imm, 4LL))
-          return Error(IDLoc, "misaligned immediate operand value");
-        if (Imm < 0 || Imm > 255)
-          return Error(IDLoc, "immediate operand value out of range");
-        break;
       case Mips::ANDI16_MM:
         Opnd = Inst.getOperand(2);
         if (!Opnd.isImm())
@@ -3765,6 +3755,9 @@ bool MipsAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
   case Match_UImm6_0:
     return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
                  "expected 6-bit unsigned immediate");
+  case Match_UImm6_Lsl2:
+    return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
+                 "expected both 8-bit unsigned immediate and multiple of 4");
   case Match_SImm6_0:
     return Error(RefineErrorLoc(IDLoc, Operands, ErrorInfo),
                  "expected 6-bit signed immediate");