Index: lib/Target/Mips/Mips.td
===================================================================
--- lib/Target/Mips/Mips.td
+++ lib/Target/Mips/Mips.td
@@ -159,14 +159,14 @@
 def : Proc<"mips2", [FeatureMips2, FeatureO32]>;
 def : Proc<"mips32", [FeatureMips32, FeatureO32]>;
 def : Proc<"mips32r2", [FeatureMips32r2, FeatureO32]>;
-def : Proc<"mips32r6", [FeatureMips32r6, FeatureO32]>;
+def : Proc<"mips32r6", [FeatureMips32r6, FeatureO32, FeatureMSA]>;
 
 def : Proc<"mips3", [FeatureMips3, FeatureN64]>;
 def : Proc<"mips4", [FeatureMips4, FeatureN64]>;
 def : Proc<"mips5", [FeatureMips5, FeatureN64]>;
 def : Proc<"mips64", [FeatureMips64, FeatureN64]>;
 def : Proc<"mips64r2", [FeatureMips64r2, FeatureN64]>;
-def : Proc<"mips64r6", [FeatureMips64r6, FeatureN64]>;
+def : Proc<"mips64r6", [FeatureMips64r6, FeatureN64, FeatureMSA]>;
 def : Proc<"mips16", [FeatureMips16, FeatureO32]>;
 def : Proc<"octeon", [FeatureMips64r2, FeatureN64, FeatureCnMips]>;
 
Index: lib/Target/Mips/MipsMSAInstrFormats.td
===================================================================
--- lib/Target/Mips/MipsMSAInstrFormats.td
+++ lib/Target/Mips/MipsMSAInstrFormats.td
@@ -11,12 +11,12 @@
              AssemblerPredicate<"FeatureMSA">;
 
 class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
-  let Predicates = [HasMSA];
+  let Predicates = [HasMSA, NotMips32r6, NotMips64r6];
   let Inst{31-26} = 0b011110;
 }
 
 class MSA64Inst : MSAInst {
-  let Predicates = [HasMSA, HasMips64];
+  let Predicates = [HasMSA, HasMips64, NotMips32r6, NotMips64r6];
 }
 
 class MSACBranch : MSAInst {
@@ -34,7 +34,7 @@
 class MSAPseudo<dag outs, dag ins, list<dag> pattern,
                 InstrItinClass itin = IIPseudo>:
   MipsPseudo<outs, ins, pattern, itin> {
-  let Predicates = [HasMSA];
+  let Predicates = [HasMSA, NotMips32r6, NotMips64r6];
 }
 
 class MSA_BIT_B_FMT<bits<3> major, bits<6> minor>: MSAInst {
Index: lib/Target/Mips/MipsMSAInstrInfo.td
===================================================================
--- lib/Target/Mips/MipsMSAInstrInfo.td
+++ lib/Target/Mips/MipsMSAInstrInfo.td
@@ -3246,8 +3246,12 @@
 def LDI_W : LDI_W_ENC, LDI_W_DESC;
 def LDI_D : LDI_D_ENC, LDI_D_DESC;
 
+let Predicates = [HasMSA] in {
 def LSA : LSA_ENC, LSA_DESC;
+}
+let Predicates = [HasMSA, IsN64] in {
 def DLSA : DLSA_ENC, DLSA_DESC;
+}
 
 def MADD_Q_H : MADD_Q_H_ENC, MADD_Q_H_DESC;
 def MADD_Q_W : MADD_Q_W_ENC, MADD_Q_W_DESC;
Index: test/MC/Mips/mips32r6/valid.s
===================================================================
--- test/MC/Mips/mips32r6/valid.s
+++ test/MC/Mips/mips32r6/valid.s
@@ -92,6 +92,7 @@
         divu    $2,$3,$4         # CHECK: divu $2, $3, $4  # encoding: [0x00,0x64,0x10,0x9b]
         jialc   $5, 256          # CHECK: jialc $5, 256    # encoding: [0xf8,0x05,0x01,0x00]
         jic     $5, 256          # CHECK: jic $5, 256      # encoding: [0xd8,0x05,0x01,0x00]
+        lsa     $2, $3, $4, 3    # CHECK: lsa  $2, $3, $4, 3 # encoding: [0x00,0x64,0x10,0x85]
         lwpc    $2,268           # CHECK: lwpc $2, 268     # encoding: [0xec,0x48,0x00,0x43]
         lwupc   $2,268           # CHECK: lwupc $2, 268    # encoding: [0xec,0x50,0x00,0x43]
         mod     $2,$3,$4         # CHECK: mod $2, $3, $4   # encoding: [0x00,0x64,0x10,0xda]
Index: test/MC/Mips/mips64r6/valid.s
===================================================================
--- test/MC/Mips/mips64r6/valid.s
+++ test/MC/Mips/mips64r6/valid.s
@@ -103,6 +103,8 @@
         ddivu   $2,$3,$4         # CHECK: ddivu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9f]
         dmod    $2,$3,$4         # CHECK: dmod $2, $3, $4  # encoding: [0x00,0x64,0x10,0xde]
         dmodu   $2,$3,$4         # CHECK: dmodu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xdf]
+        lsa     $2, $3, $4, 3    # CHECK: lsa  $2, $3, $4, 3 # encoding: [0x00,0x64,0x10,0x85]
+        dlsa    $2, $3, $4, 3    # CHECK: dlsa $2, $3, $4, 3 # encoding: [0x00,0x64,0x10,0x95]
         lwpc    $2,268           # CHECK: lwpc $2, 268     # encoding: [0xec,0x48,0x00,0x43]
         lwupc   $2,268           # CHECK: lwupc $2, 268    # encoding: [0xec,0x50,0x00,0x43]
 #        mul     $2,$3,$4         # CHECK-TODO: mul $2, $3, $4   # encoding: [0x00,0x64,0x10,0x98]