Index: llvm/trunk/lib/Target/Mips/MicroMipsInstrInfo.td
===================================================================
--- llvm/trunk/lib/Target/Mips/MicroMipsInstrInfo.td
+++ llvm/trunk/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -776,7 +776,8 @@
                  ADD_FM_MM<0, 0x290>, ISA_MICROMIPS32_NOT_MIPS32R6;
   def XOR_MM   : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
                  ADD_FM_MM<0, 0x310>, ISA_MICROMIPS32_NOT_MIPS32R6;
-  def NOR_MM   : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM_MM<0, 0x2d0>;
+  def NOR_MM   : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM_MM<0, 0x2d0>,
+                 ISA_MICROMIPS32_NOT_MIPS32R6;
   def MULT_MM  : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
                  MULT_FM_MM<0x22c>, ISA_MICROMIPS32_NOT_MIPS32R6;
   def MULTu_MM : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
@@ -1397,6 +1398,10 @@
   def : MipsInstAlias<"j $rs", (JR_MM GPR32Opnd:$rs), 0>,
         ISA_MICROMIPS32_NOT_MIPS32R6;
 }
+def : MipsInstAlias<"rdhwr $rt, $rs",
+                    (RDHWR_MM GPR32Opnd:$rt, HWRegsOpnd:$rs, 0), 1>,
+      ISA_MICROMIPS32_NOT_MIPS32R6;
+
 def : MipsInstAlias<"hypcall", (HYPCALL_MM 0), 1>,
                     ISA_MICROMIPS32R5, ASE_VIRT;
 def : MipsInstAlias<"mfgc0 $rt, $rs",
Index: llvm/trunk/lib/Target/Mips/MipsInstrFormats.td
===================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrFormats.td
+++ llvm/trunk/lib/Target/Mips/MipsInstrFormats.td
@@ -508,6 +508,7 @@
 class RDHWR_FM : StdArch {
   bits<5> rt;
   bits<5> rd;
+  bits<3> sel;
 
   bits<32> Inst;
 
@@ -515,7 +516,8 @@
   let Inst{25-21} = 0;
   let Inst{20-16} = rt;
   let Inst{15-11} = rd;
-  let Inst{10-6}  = 0;
+  let Inst{10-9}  = 0b00;
+  let Inst{8-6}   = sel;
   let Inst{5-0}   = 0x3b;
 }
 
Index: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
===================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
@@ -1824,8 +1824,8 @@
 
 // Read Hardware
 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
-  InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
-         II_RDHWR, FrmR, "rdhwr">;
+  InstSE<(outs CPURegOperand:$rt), (ins RO:$rd, uimm8:$sel),
+         "rdhwr\t$rt, $rd, $sel", [], II_RDHWR, FrmR, "rdhwr">;
 
 // Ext and Ins
 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
@@ -1834,7 +1834,7 @@
   InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, SizeOpnd:$size),
          !strconcat(opstr, "\t$rt, $rs, $pos, $size"),
          [(set RO:$rt, (Op RO:$rs, PosImm:$pos, SizeImm:$size))], II_EXT,
-         FrmR, opstr>, ISA_MIPS32R2;
+         FrmR, opstr>;
 
 // 'ins' and its' 64 bit variants are matched by C++ code.
 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
@@ -1843,7 +1843,7 @@
          !strconcat(opstr, "\t$rt, $rs, $pos, $size"),
          [(set RO:$rt, (null_frag RO:$rs, PosImm:$pos, SizeImm:$size,
                                   RO:$src))],
-         II_INS, FrmR, opstr>, ISA_MIPS32R2 {
+         II_INS, FrmR, opstr> {
   let Constraints = "$src = $rt";
 }
 
@@ -2050,19 +2050,20 @@
 ///  aligned
 let AdditionalPredicates = [NotInMicroMips] in {
   def LB  : LoadMemory<"lb", GPR32Opnd, mem_simmptr, sextloadi8, II_LB>, MMRel,
-            LW_FM<0x20>;
+            LW_FM<0x20>, ISA_MIPS1;
   def LBu : LoadMemory<"lbu", GPR32Opnd, mem_simmptr, zextloadi8, II_LBU,
-                       addrDefault>, MMRel, LW_FM<0x24>;
+                       addrDefault>, MMRel, LW_FM<0x24>, ISA_MIPS1;
   def LH  : LoadMemory<"lh", GPR32Opnd, mem_simmptr, sextloadi16, II_LH,
-                       addrDefault>, MMRel, LW_FM<0x21>;
+                       addrDefault>, MMRel, LW_FM<0x21>, ISA_MIPS1;
   def LHu : LoadMemory<"lhu", GPR32Opnd, mem_simmptr, zextloadi16, II_LHU>,
-            MMRel, LW_FM<0x25>;
+            MMRel, LW_FM<0x25>, ISA_MIPS1;
   def LW  : StdMMR6Rel, Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
-            LW_FM<0x23>;
+            LW_FM<0x23>, ISA_MIPS1;
   def SB  : StdMMR6Rel, Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
-            LW_FM<0x28>;
-  def SH  : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
-  def SW  : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
+            LW_FM<0x28>, ISA_MIPS1;
+  def SH  : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>,
+            ISA_MIPS1;
+  def SW  : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>, ISA_MIPS1;
 }
 
 /// load/store left/right
@@ -2210,10 +2211,10 @@
                ISA_MIPS1_NOT_32R6_64R6;
   def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd>,
                 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
-  def BAL_BR : BAL_BR_Pseudo<BGEZAL, brtarget>;
+  def BAL_BR : BAL_BR_Pseudo<BGEZAL, brtarget>, ISA_MIPS1;
 }
 let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips] in {
-  def TAILCALL : TailCall<J, jmptarget>;
+  def TAILCALL : TailCall<J, jmptarget>, ISA_MIPS1;
 }
 let AdditionalPredicates = [NotInMips16Mode, NotInMicroMips,
                             NoIndirectJumpGuards] in
@@ -2357,15 +2358,15 @@
                                  0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
   def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
                                  0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
-  def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
+  def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM, ISA_MIPS1;
   // TODO: Add '0 < pos+size <= 32' constraint check to ext instruction
   def EXT : MMRel, StdMMR6Rel, ExtBase<"ext", GPR32Opnd, uimm5, uimm5_plus1,
                                        immZExt5, immZExt5Plus1, MipsExt>,
-            EXT_FM<0>;
+            EXT_FM<0>, ISA_MIPS32R2;
   def INS : MMRel, StdMMR6Rel, InsBase<"ins", GPR32Opnd, uimm5,
                                        uimm5_inssize_plus1, immZExt5,
                                        immZExt5Plus1>,
-            EXT_FM<4>;
+            EXT_FM<4>, ISA_MIPS32R2;
 }
 /// Move Control Registers From/To CPU Registers
 let AdditionalPredicates = [NotInMicroMips] in {
@@ -2711,6 +2712,9 @@
                       (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
   def : MipsInstAlias<"tne $rs, $rt",
                       (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
+  def : MipsInstAlias<"rdhwr $rt, $rs",
+                      (RDHWR GPR32Opnd:$rt, HWRegsOpnd:$rs, 0), 1>, ISA_MIPS1;
+
 }
 def : MipsInstAlias<"sub, $rd, $rs, $imm",
                     (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
Index: llvm/trunk/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
+++ llvm/trunk/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
@@ -976,9 +976,9 @@
     }
 
     SDNode *Rdhwr =
-      CurDAG->getMachineNode(RdhwrOpc, DL,
-                             Node->getValueType(0),
-                             CurDAG->getRegister(Mips::HWR29, MVT::i32));
+        CurDAG->getMachineNode(RdhwrOpc, DL, Node->getValueType(0),
+                               CurDAG->getRegister(Mips::HWR29, MVT::i32),
+                               CurDAG->getTargetConstant(0, DL, MVT::i32));
     SDValue Chain = CurDAG->getCopyToReg(CurDAG->getEntryNode(), DL, DestReg,
                                          SDValue(Rdhwr, 0));
     SDValue ResNode = CurDAG->getCopyFromReg(Chain, DL, DestReg, PtrVT);
Index: llvm/trunk/test/CodeGen/Mips/mirparser/target-flags-static-tls.mir
===================================================================
--- llvm/trunk/test/CodeGen/Mips/mirparser/target-flags-static-tls.mir
+++ llvm/trunk/test/CodeGen/Mips/mirparser/target-flags-static-tls.mir
@@ -157,7 +157,7 @@
     %0 = ADDu killed %8, killed %14
     %15 = LUi64 target-flags(mips-tprel-hi) @__tls_guard
     %16 = DADDiu killed %15, target-flags(mips-tprel-lo) @__tls_guard
-    %17 = RDHWR64 $hwr29
+    %17 = RDHWR64 $hwr29, 0
     $v1_64 = COPY %17
     %18 = COPY $v1_64
     %19 = DADDu %18, killed %16
@@ -170,7 +170,7 @@
 
     %32 = LUi64 target-flags(mips-tprel-hi) @k
     %33 = DADDiu killed %32, target-flags(mips-tprel-lo) @k
-    %34 = RDHWR64 $hwr29
+    %34 = RDHWR64 $hwr29, 0
     $v1_64 = COPY %34
     %35 = COPY $v1_64
     %36 = DADDu %35, killed %33
@@ -182,7 +182,7 @@
 
     %21 = LUi64 target-flags(mips-tprel-hi) @__tls_guard
     %22 = DADDiu killed %21, target-flags(mips-tprel-lo) @__tls_guard
-    %23 = RDHWR64 $hwr29
+    %23 = RDHWR64 $hwr29, 0
     $v1_64 = COPY %23
     %24 = COPY $v1_64
     %25 = DADDu %24, killed %22
@@ -222,7 +222,7 @@
     ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
 
   bb.5._ZTW1j.exit:
-    %44 = RDHWR64 $hwr29
+    %44 = RDHWR64 $hwr29, 0
     $v1_64 = COPY %44
     %45 = LD %43, target-flags(mips-gottprel) @j :: (load 8)
     %46 = COPY $v1_64
Index: llvm/trunk/test/MC/Mips/micromips/valid.s
===================================================================
--- llvm/trunk/test/MC/Mips/micromips/valid.s
+++ llvm/trunk/test/MC/Mips/micromips/valid.s
@@ -131,6 +131,7 @@
 xor $3, $3, $5              # CHECK: xor $3, $3, $5         # encoding: [0x00,0xa3,0x1b,0x10]
 xori $9, $6, 17767          # CHECK: xori $9, $6, 17767     # encoding: [0x71,0x26,0x45,0x67]
 nor $9, $6, $7              # CHECK: nor $9, $6, $7         # encoding: [0x00,0xe6,0x4a,0xd0]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} NOR_MM
 not $7, $8                  # CHECK: not $7, $8             # encoding: [0x00,0x08,0x3a,0xd0]
 not $7                      # CHECK: not $7, $7             # encoding: [0x00,0x07,0x3a,0xd0]
 mul $9, $6, $7              # CHECK: mul $9, $6, $7         # encoding: [0x00,0xe6,0x4a,0x10]
@@ -142,6 +143,12 @@
 div.d $f0, $f2, $f4         # CHECK: div.d $f0, $f2, $f4    # encoding: [0x54,0x82,0x01,0xf0]
                             # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} FDIV_D32_MM
 divu $zero, $9, $7          # CHECK: divu $zero, $9, $7     # encoding: [0x00,0xe9,0xbb,0x3c]
+rdhwr $5, $29, 2            # CHECK: rdhwr $5, $29, 2       # encoding: [0x00,0xbd,0x6b,0x3c]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} RDHWR_MM
+rdhwr $5, $29, 0            # CHECK: rdhwr $5, $29          # encoding: [0x00,0xbd,0x6b,0x3c]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} RDHWR_MM
+rdhwr $5, $29               # CHECK: rdhwr $5, $29          # encoding: [0x00,0xbd,0x6b,0x3c]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} RDHWR_MM
 sll $4, $3, 7               # CHECK: sll $4, $3, 7          # encoding: [0x00,0x83,0x38,0x00]
                             # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} SLL_MM
 sllv $2, $3, $5             # CHECK: sllv $2, $3, $5        # encoding: [0x00,0x65,0x10,0x10]
@@ -157,15 +164,25 @@
 rotr $9, $6, 7              # CHECK: rotr $9, $6, 7         # encoding: [0x01,0x26,0x38,0xc0]
 rotrv $9, $6, $7            # CHECK: rotrv $9, $6, $7       # encoding: [0x00,0xc7,0x48,0xd0]
 lb $5, 8($4)                # CHECK: lb $5, 8($4)           # encoding: [0x1c,0xa4,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LB_MM
 lbu $6, 8($4)               # CHECK: lbu $6, 8($4)          # encoding: [0x14,0xc4,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LBu_MM
 lh $2, 8($4)                # CHECK: lh $2, 8($4)           # encoding: [0x3c,0x44,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LH_MM
 lhu $4, 8($2)               # CHECK: lhu $4, 8($2)          # encoding: [0x34,0x82,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LHu_MM
 lw  $6, 4($5)               # CHECK: lw  $6, 4($5)          # encoding: [0xfc,0xc5,0x00,0x04]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LW_MM
 lw $6, 123($sp)             # CHECK: lw $6, 123($sp)        # encoding: [0xfc,0xdd,0x00,0x7b]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} LW_MM
 sb $5, 8($4)                # CHECK: sb $5, 8($4)           # encoding: [0x18,0xa4,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} SB_MM
 sh  $2, 8($4)               # CHECK: sh  $2, 8($4)          # encoding: [0x38,0x44,0x00,0x08]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} SH_MM
 sw  $5, 4($6)               # CHECK: sw  $5, 4($6)          # encoding: [0xf8,0xa6,0x00,0x04]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} SW_MM
 sw $5, 123($sp)             # CHECK: sw $5, 123($sp)        # encoding: [0xf8,0xbd,0x00,0x7b]
+                            # CHECK-NEXT:                   # <MCInst #{{[0-9]+}} SW_MM
 lwu $2, 8($4)               # CHECK: lwu $2, 8($4)          # encoding: [0x60,0x44,0xe0,0x08]
 lwl $4, 16($5)              # CHECK: lwl $4, 16($5)         # encoding: [0x60,0x85,0x00,0x10]
 lwr $4, 16($5)              # CHECK: lwr $4, 16($5)         # encoding: [0x60,0x85,0x10,0x10]
Index: llvm/trunk/test/MC/Mips/micromips32r6/valid.s
===================================================================
--- llvm/trunk/test/MC/Mips/micromips32r6/valid.s
+++ llvm/trunk/test/MC/Mips/micromips32r6/valid.s
@@ -82,7 +82,9 @@
   lapc $7, 1048572         # CHECK: lapc $7, 1048572    # encoding: [0x78,0xe3,0xff,0xff]
   lapc $7, -1048576        # CHECK: lapc $7, -1048576   # encoding: [0x78,0xe4,0x00,0x00]
   lh $2, 8($4)             # CHECK: lh $2, 8($4)        # encoding: [0x3c,0x44,0x00,0x08]
+                           # CHECK-NEXT:                # <MCInst #{{.*}} LH_MM
   lhu $4, 8($2)            # CHECK: lhu $4, 8($2)       # encoding: [0x34,0x82,0x00,0x08]
+                           # CHECK-NEXT:                # <MCInst #{{.*}} LHu_MM
   lsa $2, $3, $4, 3        # CHECK: lsa  $2, $3, $4, 3  # encoding: [0x00,0x43,0x24,0x0f]
   lwpc    $2,268           # CHECK: lwpc $2, 268        # encoding: [0x78,0x48,0x00,0x43]
   lwm $16, $17, $ra, 8($sp)   # CHECK: lwm16 $16, $17, $ra, 8($sp) # encoding: [0x45,0x22]
@@ -124,6 +126,7 @@
   muhu $3, $4, $5          # CHECK: muhu $3, $4, $5      # encoding: [0x00,0xa4,0x18,0xd8]
   nop                      # CHECK: nop                 # encoding: [0x00,0x00,0x00,0x00]
   nor $3, $4, $5           # CHECK: nor $3, $4, $5      # encoding: [0x00,0xa4,0x1a,0xd0]
+                           # CHECK-NEXT:                # <MCInst #{{.*}} NOR_MMR6
   or $3, $4, $5            # CHECK: or $3, $4, $5       # encoding: [0x00,0xa4,0x1a,0x90]
   ori $3, $4, 1234         # CHECK: ori $3, $4, 1234    # encoding: [0x50,0x64,0x04,0xd2]
   pref 1, 8($5)            # CHECK: pref 1, 8($5)       # encoding: [0x60,0x25,0x20,0x08]
@@ -143,6 +146,7 @@
   subu $3, $4, $5          # CHECK: subu $3, $4, $5     # encoding: [0x00,0xa4,0x19,0xd0]
   sw $4, 124($sp)          # CHECK: sw $4, 124($sp)     # encoding: [0xc8,0x9f]
   sw $4, 128($sp)          # CHECK: sw $4, 128($sp)     # encoding: [0xf8,0x9d,0x00,0x80]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} SW_MMR6
   sw16 $4, 4($17)          # CHECK: sw16 $4, 4($17)     # encoding: [0xea,0x11]
   sw16 $0, 4($17)          # CHECK: sw16 $zero, 4($17)  # encoding: [0xe8,0x11]
   swm $16, $17, $ra, 8($sp)   # CHECK: swm16 $16, $17, $ra, 8($sp) # encoding: [0x45,0x2a]
@@ -151,8 +155,11 @@
   wsbh $3, $4              # CHECK: wsbh $3, $4         # encoding: [0x00,0x64,0x7b,0x3c]
   pause                    # CHECK: pause               # encoding: [0x00,0x00,0x28,0x00]
   rdhwr $5, $29, 2         # CHECK: rdhwr $5, $29, 2    # encoding: [0x00,0xbd,0x11,0xc0]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} RDHWR_MMR6
   rdhwr $5, $29, 0         # CHECK: rdhwr $5, $29       # encoding: [0x00,0xbd,0x01,0xc0]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} RDHWR_MMR6
   rdhwr $5, $29            # CHECK: rdhwr $5, $29       # encoding: [0x00,0xbd,0x01,0xc0]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} RDHWR_MMR6
   wait                     # CHECK: wait                # encoding: [0x00,0x00,0x93,0x7c]
   wait 17                  # CHECK: wait 17             # encoding: [0x00,0x11,0x93,0x7c]
   ssnop                    # CHECK: ssnop               # encoding: [0x00,0x00,0x08,0x00]
@@ -276,7 +283,9 @@
   lbu16 $3, 4($17)         # CHECK: lbu16 $3, 4($17)    # encoding: [0x09,0x94]
   lbu16 $3, -1($17)        # CHECK: lbu16 $3, -1($17)   # encoding: [0x09,0x9f]
   sb  $4, 6($5)            # CHECK: sb  $4, 6($5)       # encoding: [0x18,0x85,0x00,0x06]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} SB_MMR6
   sh $4, 6($5)             # CHECK: sh $4, 6($5)        # encoding: [0x38,0x85,0x00,0x06]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} SH_MMR6
   lw $4, 6($5)             # CHECK: lw $4, 6($5)        # encoding: [0xfc,0x85,0x00,0x06]
   lui $6, 17767            # CHECK: lui $6, 17767       # encoding: [0x10,0xc0,0x45,0x67]
   addu16 $6, $17, $4       # CHECK: addu16 $6, $17, $4  # encoding: [0x04,0xcc]
@@ -305,7 +314,9 @@
   subu16 $5, $16, $3       # CHECK: subu16 $5, $16, $3  # encoding: [0x04,0x3b]
   xor16 $17, $5            # CHECK: xor16 $17, $5       # encoding: [0x44,0xd8]
   lb $4, 8($5)             # CHECK: lb $4, 8($5)        # encoding: [0x1c,0x85,0x00,0x08]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} LB_MMR6
   lbu $4, 8($5)            # CHECK: lbu $4, 8($5)       # encoding: [0x14,0x85,0x00,0x08]
+                           # CHECK-NEXT:                # <MCInst #{{[0-9]+}} LBU_MMR6
   recip.s $f2, $f4         # CHECK: recip.s $f2, $f4    # encoding: [0x54,0x44,0x12,0x3b]
   recip.d $f2, $f4         # CHECK: recip.d $f2, $f4    # encoding: [0x54,0x44,0x52,0x3b]
   rint.s $f2, $f4          # CHECK: rint.s $f2, $f4     # encoding: [0x54,0x82,0x00,0x20]
Index: llvm/trunk/test/MC/Mips/mips1/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips1/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips1/invalid-mips32r2.s
@@ -9,3 +9,5 @@
         di                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei      $t6                 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
Index: llvm/trunk/test/MC/Mips/mips2/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips2/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips2/invalid-mips32r2.s
@@ -98,3 +98,5 @@
         suxc1   $f12,$k1($t5)       # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         swxc1   $f19,$t4($k0)       # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         wsbh    $k1,$t1             # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
Index: llvm/trunk/test/MC/Mips/mips3/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips3/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips3/invalid-mips32r2.s
@@ -9,3 +9,5 @@
         di                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei      $t6                 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
Index: llvm/trunk/test/MC/Mips/mips32/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips32/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips32/invalid-mips32r2.s
@@ -34,3 +34,5 @@
         suxc1   $f12,$k1($t5)       # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         swxc1   $f19,$t4($k0)       # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         wsbh    $k1,$t1             # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
Index: llvm/trunk/test/MC/Mips/mips4/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips4/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips4/invalid-mips32r2.s
@@ -9,3 +9,5 @@
         di                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei      $t6                 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
Index: llvm/trunk/test/MC/Mips/mips5/invalid-mips32r2.s
===================================================================
--- llvm/trunk/test/MC/Mips/mips5/invalid-mips32r2.s
+++ llvm/trunk/test/MC/Mips/mips5/invalid-mips32r2.s
@@ -9,3 +9,5 @@
         di                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei      $t6                 # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
         ei                          # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ext     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled
+        ins     $1, $2, 4, 5        # CHECK: :[[@LINE]]:{{[0-9]+}}: error: instruction requires a CPU feature not currently enabled