diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index caf7aee83ca..f645a7e7e59 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,16 @@
+2013-10-14  Chao-ying Fu  <Chao-ying.Fu@imgtec.com>
+
+	* mips.h (mips_operand_type): Add OP_IMM_INDEX and OP_REG_INDEX.
+	(mips_reg_operand_type): Add OP_REG_MSA and OP_REG_MSA_CTRL.
+	For MIPS, add comments for +d, +e, +h, +k, +l, +n, +o, +u, +v, +w,
+	+T, +U, +V, +W, +~, +!, +@, +#, +$, +%, +^, +&, +*, +|.
+	For MIPS, update extension character sequences after +.
+	(ASE_MSA): New define.
+	(ASE_MSA64): New define.
+	For microMIPS, add comments for +d, +e, +h, +k, +l, +n, +o, +u, +v, +w,
+	+x, +T, +U, +V, +W, +~, +!, +@, +#, +$, +%, +^, +&, +*, +|.
+	For microMIPS, update extension character sequences after +.
+
 2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
 
 	PR binutils/15834
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index f21697ec498..cb16d2a45e4 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -413,7 +413,13 @@ enum mips_operand_type {
 
   /* Like OP_VU0_SUFFIX, but used when the operand's value has already
      been set.  Any suffix used here must match the previous value.  */
-  OP_VU0_MATCH_SUFFIX
+  OP_VU0_MATCH_SUFFIX,
+
+  /* An index selected by an integer, e.g. [1].  */
+  OP_IMM_INDEX,
+
+  /* An index selected by a register, e.g. [$2].  */
+  OP_REG_INDEX
 };
 
 /* Enumerates the types of MIPS register.  */
@@ -454,7 +460,13 @@ enum mips_reg_operand_type {
   OP_REG_R5900_I,
   OP_REG_R5900_Q,
   OP_REG_R5900_R,
-  OP_REG_R5900_ACC
+  OP_REG_R5900_ACC,
+
+  /* MSA registers $w0-$w31.  */
+  OP_REG_MSA,
+
+  /* MSA control registers $0-$31.  */
+  OP_REG_MSA_CTRL
 };
 
 /* Base class for all operands.  */
@@ -891,6 +903,32 @@ struct mips_opcode
    Enhanced VA Scheme:
    "+j" 9-bit signed offset in bit 7 (OP_*_EVAOFFSET)
 
+   MSA Extension:
+   "+d" 5-bit MSA register (FD)
+   "+e" 5-bit MSA register (FS)
+   "+h" 5-bit MSA register (FT)
+   "+k" 5-bit GPR at bit 6
+   "+l" 5-bit MSA control register at bit 6
+   "+n" 5-bit MSA control register at bit 11
+   "+o" 5-bit vector element index at bit 16
+   "+u" 4-bit vector element index at bit 16
+   "+v" 3-bit vector element index at bit 16
+   "+w" 2-bit vector element index at bit 16
+   "+T" (-512 .. 511) << 0 at bit 16
+   "+U" (-512 .. 511) << 1 at bit 16
+   "+V" (-512 .. 511) << 2 at bit 16
+   "+W" (-512 .. 511) << 3 at bit 16
+   "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+   "+!" 3 bit unsigned bit position at bit 16
+   "+@" 4 bit unsigned bit position at bit 16
+   "+#" 6 bit unsigned bit position at bit 16
+   "+$" 5 bit unsigned immediate at bit 16
+   "+%" 5 bit signed immediate at bit 16
+   "+^" 10 bit signed immediate at bit 11
+   "+&" 0 vector element index
+   "+*" 5-bit register vector element index at bit 16
+   "+|" 8-bit mask at bit 16
+
    Other:
    "()" parens surrounding optional value
    ","  separates operands
@@ -905,8 +943,9 @@ struct mips_opcode
    Extension character sequences used so far ("+" followed by the
    following), for quick reference when adding more:
    "1234567890"
-   "ABCEFGHJKLMNPQSXZ"
-   "abcfgijmpqrstxyz"
+   "~!@#$%^&*|"
+   "ABCEFGHJKLMNPQSTUVWXZ"
+   "abcdefghijklmnopqrstuvwxyz"
 */
 
 /* These are the bits which may be set in the pinfo field of an
@@ -1115,6 +1154,9 @@ static const unsigned int mips_isa_table[] =
 /* Virtualization ASE */
 #define ASE_VIRT		0x00000200
 #define ASE_VIRT64		0x00000400
+/* MSA Extension  */
+#define ASE_MSA			0x00000800
+#define ASE_MSA64		0x00001000
 
 /* MIPS ISA defines, use instead of hardcoding ISA level.  */
 
@@ -2044,6 +2086,33 @@ extern const int bfd_mips16_num_opcodes;
    microMIPS Enhanced VA Scheme:
    "+j" 9-bit signed offset in bit 0 (OP_*_EVAOFFSET)
 
+   MSA Extension:
+   "+d" 5-bit MSA register (FD)
+   "+e" 5-bit MSA register (FS)
+   "+h" 5-bit MSA register (FT)
+   "+k" 5-bit GPR at bit 6
+   "+l" 5-bit MSA control register at bit 6
+   "+n" 5-bit MSA control register at bit 11
+   "+o" 5-bit vector element index at bit 16
+   "+u" 4-bit vector element index at bit 16
+   "+v" 3-bit vector element index at bit 16
+   "+w" 2-bit vector element index at bit 16
+   "+x" 5-bit shift amount at bit 16
+   "+T" (-512 .. 511) << 0 at bit 16
+   "+U" (-512 .. 511) << 1 at bit 16
+   "+V" (-512 .. 511) << 2 at bit 16
+   "+W" (-512 .. 511) << 3 at bit 16
+   "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+   "+!" 3 bit unsigned bit position at bit 16
+   "+@" 4 bit unsigned bit position at bit 16
+   "+#" 6 bit unsigned bit position at bit 16
+   "+$" 5 bit unsigned immediate at bit 16
+   "+%" 5 bit signed immediate at bit 16
+   "+^" 10 bit signed immediate at bit 11
+   "+&" 0 vector element index
+   "+*" 5-bit register vector element index at bit 16
+   "+|" 8-bit mask at bit 16
+
    Other:
    "()" parens surrounding optional value
    ","  separates operands
@@ -2059,9 +2128,9 @@ extern const int bfd_mips16_num_opcodes;
    Extension character sequences used so far ("+" followed by the
    following), for quick reference when adding more:
    ""
-   ""
-   "ABCEFGH"
-   "ij"
+   "~!@#$%^&*|"
+   "ABCEFGHTUVW"
+   "dehijklnouvwx"
 
    Extension character sequences used so far ("m" followed by the
    following), for quick reference when adding more: