diff --git a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
--- a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
+++ b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
@@ -528,6 +528,11 @@
     Inst.addOperand(MCOperand::createReg(VSRpRegs[getVSRpEvenReg()]));
   }
 
+  void addRegVSRpEvenRCOperands(MCInst &Inst, unsigned N) const {
+    assert(N == 1 && "Invalid number of operands!");
+    Inst.addOperand(MCOperand::createReg(VSRpRegs[getVSRpEvenReg()]));
+  }
+
   void addRegCRBITRCOperands(MCInst &Inst, unsigned N) const {
     assert(N == 1 && "Invalid number of operands!");
     Inst.addOperand(MCOperand::createReg(CRBITRegs[getCRBit()]));
diff --git a/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp b/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
--- a/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
+++ b/llvm/lib/Target/PowerPC/Disassembler/PPCDisassembler.cpp
@@ -212,6 +212,15 @@
   return MCDisassembler::Success;
 }
 
+static DecodeStatus decodeVSRpEvenOperands(MCInst &Inst, uint64_t RegNo,
+                                           uint64_t Address,
+                                           const void *Decoder) {
+  if (RegNo & 1)
+    return MCDisassembler::Fail;
+  Inst.addOperand(MCOperand::createReg(VSRpRegs[RegNo >> 1]));
+  return MCDisassembler::Success;
+}
+
 static DecodeStatus decodeMemRIOperands(MCInst &Inst, uint64_t Imm,
                                         int64_t Address, const void *Decoder) {
   // Decode the memri field (imm, reg), which has the low 16-bits as the
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.h b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.h
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.h
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.h
@@ -93,6 +93,9 @@
   unsigned get_crbitm_encoding(const MCInst &MI, unsigned OpNo,
                                SmallVectorImpl<MCFixup> &Fixups,
                                const MCSubtargetInfo &STI) const;
+  unsigned getVSRpEvenEncoding(const MCInst &MI, unsigned OpNo,
+                               SmallVectorImpl<MCFixup> &Fixups,
+                               const MCSubtargetInfo &STI) const;
 
   /// getMachineOpValue - Return binary encoding of operand. If the machine
   /// operand requires relocation, record the relocation and return zero.
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCCodeEmitter.cpp
@@ -94,6 +94,16 @@
   return 0;
 }
 
+unsigned
+PPCMCCodeEmitter::getVSRpEvenEncoding(const MCInst &MI, unsigned OpNo,
+                                      SmallVectorImpl<MCFixup> &Fixups,
+                                      const MCSubtargetInfo &STI) const {
+  assert(MI.getOperand(OpNo).isReg() && "Operand should be a register");
+  unsigned RegBits = getMachineOpValue(MI, MI.getOperand(OpNo), Fixups, STI)
+                     << 1;
+  return RegBits;
+}
+
 unsigned PPCMCCodeEmitter::getImm16Encoding(const MCInst &MI, unsigned OpNo,
                                        SmallVectorImpl<MCFixup> &Fixups,
                                        const MCSubtargetInfo &STI) const {
diff --git a/llvm/lib/Target/PowerPC/PPCInstrPrefix.td b/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
--- a/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
@@ -647,6 +647,185 @@
   let Inst{31} = 0;
 }
 
+class XX3Form_AT3_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                           string asmstr, InstrItinClass itin,
+                           list<dag> pattern>
+  : I<opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+
+  let Pattern = pattern;
+
+  let Inst{6-8} = AT;
+  let Inst{9-10} = 0;
+  let Inst{11-15} = XA{4-0};
+  let Inst{16-20} = XB{4-0};
+  let Inst{21-28} = xo;
+  let Inst{29}    = XA{5};
+  let Inst{30}    = XB{5};
+  let Inst{31} = 0;
+}
+
+class MMIRR_XX3Form_XY4P2_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                               string asmstr, InstrItinClass itin,
+                               list<dag> pattern>
+  : PI<1, opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+  bits<4> XMSK;
+  bits<4> YMSK;
+  bits<2> PMSK;
+
+  let Pattern = pattern;
+
+  // The prefix.
+  let Inst{6-7} = 3;
+  let Inst{8-11} = 9;
+  let Inst{12-15} = 0;
+  let Inst{16-17} = PMSK;
+  let Inst{18-23} = 0;
+  let Inst{24-27} = XMSK;
+  let Inst{28-31} = YMSK;
+
+  // The instruction.
+  let Inst{38-40} = AT;
+  let Inst{41-42} = 0;
+  let Inst{43-47} = XA{4-0};
+  let Inst{48-52} = XB{4-0};
+  let Inst{53-60} = xo;
+  let Inst{61} = XA{5};
+  let Inst{62} = XB{5};
+  let Inst{63} = 0;
+}
+
+class MMIRR_XX3Form_XY4_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                             string asmstr, InstrItinClass itin,
+                             list<dag> pattern>
+  : PI<1, opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+  bits<4> XMSK;
+  bits<4> YMSK;
+
+  let Pattern = pattern;
+
+  // The prefix.
+  let Inst{6-7} = 3;
+  let Inst{8-11} = 9;
+  let Inst{12-23} = 0;
+  let Inst{24-27} = XMSK;
+  let Inst{28-31} = YMSK;
+
+  // The instruction.
+  let Inst{38-40} = AT;
+  let Inst{41-42} = 0;
+  let Inst{43-47} = XA{4-0};
+  let Inst{48-52} = XB{4-0};
+  let Inst{53-60} = xo;
+  let Inst{61} = XA{5};
+  let Inst{62} = XB{5};
+  let Inst{63} = 0;
+}
+
+class MMIRR_XX3Form_X4Y2_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                              string asmstr, InstrItinClass itin,
+                              list<dag> pattern>
+  : PI<1, opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+  bits<4> XMSK;
+  bits<2> YMSK;
+
+  let Pattern = pattern;
+
+  // The prefix.
+  let Inst{6-7} = 3;
+  let Inst{8-11} = 9;
+  let Inst{12-23} = 0;
+  let Inst{24-27} = XMSK;
+  let Inst{28-29} = YMSK;
+  let Inst{30-31} = 0;
+
+  // The instruction.
+  let Inst{38-40} = AT;
+  let Inst{41-42} = 0;
+  let Inst{43-47} = XA{4-0};
+  let Inst{48-52} = XB{4-0};
+  let Inst{53-60} = xo;
+  let Inst{61} = XA{5};
+  let Inst{62} = XB{5};
+  let Inst{63} = 0;
+}
+
+class MMIRR_XX3Form_XY4P8_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                               string asmstr, InstrItinClass itin,
+                               list<dag> pattern>
+  : PI<1, opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+  bits<4> XMSK;
+  bits<4> YMSK;
+  bits<8> PMSK;
+
+  let Pattern = pattern;
+
+  // The prefix.
+  let Inst{6-7} = 3;
+  let Inst{8-11} = 9;
+  let Inst{12-15} = 0;
+  let Inst{16-23} = PMSK;
+  let Inst{24-27} = XMSK;
+  let Inst{28-31} = YMSK;
+
+  // The instruction.
+  let Inst{38-40} = AT;
+  let Inst{41-42} = 0;
+  let Inst{43-47} = XA{4-0};
+  let Inst{48-52} = XB{4-0};
+  let Inst{53-60} = xo;
+  let Inst{61} = XA{5};
+  let Inst{62} = XB{5};
+  let Inst{63} = 0;
+}
+
+class MMIRR_XX3Form_XYP4_XAB6<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
+                              string asmstr, InstrItinClass itin,
+                              list<dag> pattern>
+  : PI<1, opcode, OOL, IOL, asmstr, itin> {
+  bits<3> AT;
+  bits<6> XA;
+  bits<6> XB;
+  bits<4> XMSK;
+  bits<4> YMSK;
+  bits<4> PMSK;
+
+  let Pattern = pattern;
+
+  // The prefix.
+  let Inst{6-7} = 3;
+  let Inst{8-11} = 9;
+  let Inst{12-15} = 0;
+  let Inst{16-19} = PMSK;
+  let Inst{20-23} = 0;
+  let Inst{24-27} = XMSK;
+  let Inst{28-31} = YMSK;
+
+  // The instruction.
+  let Inst{38-40} = AT;
+  let Inst{41-42} = 0;
+  let Inst{43-47} = XA{4-0};
+  let Inst{48-52} = XB{4-0};
+  let Inst{53-60} = xo;
+  let Inst{61} = XA{5};
+  let Inst{62} = XB{5};
+  let Inst{63} = 0;
+}
+
 def PrefixInstrs : Predicate<"Subtarget->hasPrefixInstrs()">;
 def IsISA3_1 : Predicate<"Subtarget->isISA3_1()">;
 def PairedVectorMemops : Predicate<"Subtarget->pairedVectorMemops()">;
@@ -802,6 +981,286 @@
   }
 }
 
+// Multiclass definitions for MMA accumulator instructions.
+// ----------------------------------------------------------------------------
+
+// Defines 2 unmasked instructions where the xo field for acc/non-acc versioon
+// is even/odd.
+multiclass ACC_UM_XOEO<bits<6> opcode, bits<8> xo, dag IOL, string asmbase,
+                       string asmstr> {
+  let Predicates = [MMA] in {
+  def NAME :
+    XX3Form_AT3_XAB6<opcode, !or(xo, 0x01), (outs acc:$AT), IOL,
+                     !strconcat(asmbase#" ", asmstr), IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PP :
+    XX3Form_AT3_XAB6<opcode, xo, (outs acc:$AT), !con((ins acc:$ATi), IOL),
+                     !strconcat(asmbase#"pp ", asmstr), IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 4 instructions, masked/unmasked with masks 8, 4, 4 bits.
+// The XO field for acc/non-acc version is even/odd.
+multiclass ACC_UM_M844_XOEO<bits<6> opcode, bits<8> xo, dag IOL, string asmbase,
+                            string asmstr> {
+  defm NAME : ACC_UM_XOEO<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_XY4P8_XAB6<
+      opcode, !or(xo, 0x01), (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u8imm:$PMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_XY4P8_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con((ins acc:$ATi),
+           !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u8imm:$PMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 4 instructions, masked/unmasked with masks 4, 4, 4 bits.
+// The XO field for acc/non-acc version is even/odd.
+multiclass ACC_UM_M444_XOEO<bits<6> opcode, bits<8> xo, dag IOL, string asmbase,
+                            string asmstr> {
+  defm NAME : ACC_UM_XOEO<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_XYP4_XAB6<
+      opcode, !or(xo, 0x01), (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u4imm:$PMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_XYP4_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con((ins acc:$ATi),
+           !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u4imm:$PMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 4 instructions, masked/unmasked with masks 2, 4, 4 bits.
+// The XO field for acc/non-acc version is even/odd.
+multiclass ACC_UM_M244_XOEO<bits<6> opcode, bits<8> xo, dag IOL, string asmbase,
+                            string asmstr> {
+  defm NAME : ACC_UM_XOEO<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, !or(xo, 0x01), (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 4 instructions, masked/unmasked with masks 2, 4, 4 bits.
+// Upper nibble of XO field for acc/non-acc version is 0x4/0x6.
+multiclass ACC_UM_M244_XO46<bits<6> opcode, bits<8> xo, dag IOL, string asmbase,
+                            string asmstr> {
+  let Predicates = [MMA] in {
+  def NAME :
+    XX3Form_AT3_XAB6<opcode, xo, (outs acc:$AT), IOL,
+                     !strconcat(asmbase#" ", asmstr), IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PP :
+    XX3Form_AT3_XAB6<
+      opcode, !or(xo, 0x20), (outs acc:$AT), !con((ins acc:$ATi), IOL),
+      !strconcat(asmbase#"pp ", asmstr), IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, !or(xo, 0x20), (outs acc:$AT),
+      !con((ins acc:$ATi),
+           !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 10 instructions, operand negating, unmasked, masked with 2, 4, 4
+// bits. Upper nibble are masked with 0x8, 0x4, 0xC for negating operands.
+multiclass ACC_NEG_UM_M244_XOM84C<bits<6> opcode, bits<8> xo, dag IOL,
+                                  string asmbase, string asmstr> {
+  defm NAME : ACC_UM_M244_XOEO<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA] in {
+  def PN : XX3Form_AT3_XAB6<
+             opcode, !or(xo, 0x80), (outs acc:$AT), !con((ins acc:$ATi), IOL),
+             !strconcat(asmbase#"pn ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def NP : XX3Form_AT3_XAB6<
+             opcode, !or(xo, 0x40), (outs acc:$AT), !con((ins acc:$ATi), IOL),
+             !strconcat(asmbase#"np ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def NN : XX3Form_AT3_XAB6<
+             opcode, !or(xo, 0xC0), (outs acc:$AT), !con((ins acc:$ATi), IOL),
+             !strconcat(asmbase#"nn ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME#PN :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, !or(xo, 0x80), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK))),
+      !strconcat("pm"#asmbase#"pn ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NP :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, !or(xo, 0x40), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK))),
+      !strconcat("pm"#asmbase#"np ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NN :
+    MMIRR_XX3Form_XY4P2_XAB6<
+      opcode, !or(xo, 0xC0), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK, u2imm:$PMSK))),
+      !strconcat("pm"#asmbase#"nn ", asmstr#", $XMSK, $YMSK, $PMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 5 instructions, unmasked, operand negating.
+// Upper nibble are masked with 0x8, 0x4, 0xC for negating operands.
+multiclass ACC_NEG_UM_XOM84C<bits<6> opcode, bits<8> xo, dag IOL,
+                             string asmbase, string asmstr> {
+  defm NAME : ACC_UM_XOEO<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA] in {
+  def PN : XX3Form_AT3_XAB6<opcode, !or(xo, 0x80), (outs acc:$AT),
+                            !con((ins acc:$ATi), IOL),
+                            !strconcat(asmbase#"pn ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def NP : XX3Form_AT3_XAB6<opcode, !or(xo, 0x40), (outs acc:$AT),
+                            !con((ins acc:$ATi), IOL),
+                            !strconcat(asmbase#"np ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def NN : XX3Form_AT3_XAB6<opcode, !or(xo, 0xC0), (outs acc:$AT),
+                            !con((ins acc:$ATi), IOL),
+                            !strconcat(asmbase#"nn ", asmstr), IIC_VecFP, []>,
+           RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 10 instructions, operand negating, unmasked, masked with 4, 4 bits.
+// Upper nibble are masked with 0x8, 0x4, 0xC for negating operands.
+multiclass ACC_NEG_UM_M44_XOM84C<bits<6> opcode, bits<8> xo, dag IOL,
+                                 string asmbase, string asmstr> {
+  defm NAME : ACC_NEG_UM_XOM84C<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_XY4_XAB6<
+      opcode, !or(xo, 0x01), (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_XY4_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#PN :
+    MMIRR_XX3Form_XY4_XAB6<
+      opcode, !or(xo, 0x80), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK))),
+      !strconcat("pm"#asmbase#"pn ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NP :
+    MMIRR_XX3Form_XY4_XAB6<
+      opcode, !or(xo, 0x40), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK))),
+      !strconcat("pm"#asmbase#"np ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NN :
+    MMIRR_XX3Form_XY4_XAB6<
+      opcode, !or(xo, 0xC0), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u4imm:$YMSK))),
+      !strconcat("pm"#asmbase#"nn ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// Defines 10 instructions, operand negating, unmasked, masked with 4, 2 bits.
+// Upper nibble are masked with 0x8, 0x4, 0xC for negating operands.
+multiclass ACC_NEG_UM_M42_XOM84C<bits<6> opcode, bits<8> xo, dag IOL,
+                                 string asmbase, string asmstr> {
+  defm NAME : ACC_NEG_UM_XOM84C<opcode, xo, IOL, asmbase, asmstr>;
+  let Predicates = [MMA, PrefixInstrs] in {
+  def PM#NAME :
+    MMIRR_XX3Form_X4Y2_XAB6<
+      opcode, !or(xo, 0x01), (outs acc:$AT),
+      !con(IOL, (ins u4imm:$XMSK, u2imm:$YMSK)),
+      !strconcat("pm"#asmbase#" ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"@earlyclobber $AT">;
+  def PM#NAME#PP :
+    MMIRR_XX3Form_X4Y2_XAB6<
+      opcode, xo, (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u2imm:$YMSK))),
+      !strconcat("pm"#asmbase#"pp ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#PN :
+    MMIRR_XX3Form_X4Y2_XAB6<
+      opcode, !or(xo, 0x80), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u2imm:$YMSK))),
+      !strconcat("pm"#asmbase#"pn ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NP :
+    MMIRR_XX3Form_X4Y2_XAB6<
+      opcode, !or(xo, 0x40), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u2imm:$YMSK))),
+      !strconcat("pm"#asmbase#"np ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  def PM#NAME#NN :
+    MMIRR_XX3Form_X4Y2_XAB6<
+      opcode, !or(xo, 0xC0), (outs acc:$AT),
+      !con((ins acc:$ATi), !con(IOL, (ins u4imm:$XMSK, u2imm:$YMSK))),
+      !strconcat("pm"#asmbase#"nn ", asmstr#", $XMSK, $YMSK"),
+      IIC_VecFP, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+  }
+}
+
+// End of class definitions.
+//-----------------------------------------------------------------------------
+
 let Predicates = [MMA] in {
   def XXMFACC :
     XForm_AT3<31, 0, 177, (outs acc:$ASo), (ins acc:$AS), "xxmfacc $AS",
@@ -824,8 +1283,62 @@
       XForm_AT3<31, 3, 177, (outs acc:$AT), (ins), "xxsetaccz $AT",
                 IIC_VecGeneral, []>;
   }
+  def XVI8GER4SPP :
+    XX3Form_AT3_XAB6<59, 99, (outs acc:$AT), (ins acc:$ATi, vsrc:$XA, vsrc:$XB),
+                     "xvi8ger4spp $AT, $XA, $XB", IIC_VecGeneral, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
+}
+
+let Predicates = [MMA, PrefixInstrs] in {
+  def PMXVI8GER4SPP :
+    MMIRR_XX3Form_XYP4_XAB6<59, 99, (outs acc:$AT),
+                            (ins acc:$ATi, vsrc:$XA,vsrc:$XB, u4imm:$XMSK,
+                             u4imm:$YMSK, u4imm:$PMSK),
+                            "pmxvi8ger4spp $AT, $XA, $XB, $XMSK, $YMSK, $PMSK",
+                            IIC_VecGeneral, []>,
+    RegConstraint<"$ATi = $AT">, NoEncode<"$ATi">;
 }
 
+// MMA accumulating/non-aaccumlating instructions.
+//------------------------------------------------------------------------------
+
+// XVBF16GER2, XVBF16GER2PP, XVBF16GER2PN, XVBF16GER2NP, XVBF16GER2NN
+// PMXVBF16GER2, PMXVBF16GER2PP, PMXVBF16GER2PN, PMXVBF16GER2NP, PMXVBF16GER2NN
+defm XVBF16GER2 : ACC_NEG_UM_M244_XOM84C<59, 50, (ins vsrc:$XA, vsrc:$XB),
+                                         "xvbf16ger2", "$AT, $XA, $XB">;
+
+// XVI4GER8, XVI4GER8PP, PMXVI4GER8,  PMXVI4GER8PP
+defm XVI4GER8 : ACC_UM_M844_XOEO<59, 34, (ins vsrc:$XA, vsrc:$XB),
+                                 "xvi4ger8", "$AT, $XA, $XB">;
+
+// XVI8GER4, XVI8GER4PP, PMXVI8GER4, PMXVI8GER4PP
+defm XVI8GER4 : ACC_UM_M444_XOEO<59, 2, (ins vsrc:$XA, vsrc:$XB),
+                                 "xvi8ger4", "$AT, $XA, $XB">;
+
+// XVI16GER2, XVI16GER2PP, PMXVI16GER2, PMXVI16GER2PP
+defm XVI16GER2 : ACC_UM_M244_XO46<59, 75, (ins vsrc:$XA, vsrc:$XB),
+                                  "xvi16ger2", "$AT, $XA, $XB">;
+
+// XVI16GER2S, XVI16GER2SPP, PMXVI16GER2S, PMXVI16GER2SPP
+defm XVI16GER2S : ACC_UM_M244_XOEO<59, 42, (ins vsrc:$XA, vsrc:$XB),
+                                   "xvi16ger2s", "$AT, $XA, $XB">;
+
+// XVF16GER2, XVF16GER2PP, XVF16GER2PN, XVF16GER2NP, XVF16GER2NN
+// PMXVF16GER2, PMXVF16GER2PP, PMXVF16GER2PN, PMXVF16GER2NP, PMXVF16GER2NN
+defm XVF16GER2 : ACC_NEG_UM_M244_XOM84C<59, 18, (ins vsrc:$XA, vsrc:$XB),
+                                        "xvf16ger2", "$AT, $XA, $XB">;
+
+// XVF32GER, XVF32GERPP, XVF32GERPN, XVF32GERNP, XVF32GERPP
+// PMXVF32GER, PMXVF32GERPP, PMXVF32GERPN, PMXVF32GERNP, PMXVF32GERPP
+defm XVF32GER : ACC_NEG_UM_M44_XOM84C<59, 26, (ins vsrc:$XA, vsrc:$XB),
+                                      "xvf32ger", "$AT, $XA, $XB">;
+
+// XVF64GER, XVF64GERPP, XVF64GERPN, XVF64GERNP, XVF64GERNN
+// PMXVF64GER, PMXVF64GERPP, PMXVF64GERPN, PMXVF64GERNP, PMXVF64GERNN
+defm XVF64GER : ACC_NEG_UM_M42_XOM84C<59, 58, (ins vsrpevenrc:$XA, vsrc:$XB),
+                                      "xvf64ger", "$AT, $XA, $XB">;
+//------------------------------------------------------------------------------
+
 def Concats {
   dag VecsToVecPair0 =
     (v256i1 (INSERT_SUBREG
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ISA31.txt b/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ISA31.txt
--- a/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ISA31.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ISA31.txt
@@ -34,6 +34,180 @@
 # CHECK: xxsetaccz 0
 0x7c 0x03 0x01 0x62
 
+# CHECK: pmxvf16ger2 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x10 0x98
+
+# CHECK: pmxvf16ger2pp 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x10 0x90
+
+# CHECK: pmxvf16ger2pn 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x14 0x90
+
+# CHECK: pmxvf16ger2np 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x12 0x90
+
+# CHECK: pmxvf16ger2nn 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x16 0x90
+
+# CHECK: pmxvf32ger 0, 1, 2, 4, 4
+0x07 0x90 0x00 0x44 0xec 0x01 0x10 0xd8
+
+# CHECK: pmxvf32gerpp 0, 1, 2, 4, 4
+0x07 0x90 0x00 0x44 0xec 0x01 0x10 0xd0
+
+# CHECK: pmxvf32gerpn 0, 1, 2, 4, 4
+0x07 0x90 0x00 0x44 0xec 0x01 0x14 0xd0
+
+# CHECK: pmxvf32gernp 0, 1, 2, 4, 4
+0x07 0x90 0x00 0x44 0xec 0x01 0x12 0xd0
+
+# CHECK: pmxvf32gernn 0, 1, 2, 4, 4
+0x07 0x90 0x00 0x44 0xec 0x01 0x16 0xd0
+
+# CHECK: pmxvf64ger 0, 0, 2, 4, 3
+0x07 0x90 0x00 0x4c 0xec 0x00 0x11 0xd8
+
+# CHECK: pmxvf64gerpp 0, 2, 2, 4, 3
+0x07 0x90 0x00 0x4c 0xec 0x02 0x11 0xd0
+
+# CHECK: pmxvf64gerpn 0, 4, 2, 4, 3
+0x07 0x90 0x00 0x4c 0xec 0x04 0x15 0xd0
+
+# CHECK: pmxvf64gernp 0, 62, 2, 4, 3
+0x07 0x90 0x00 0x4c 0xec 0x1e 0x13 0xd4
+
+# CHECK: pmxvf64gernn 0, 30, 2, 4, 3
+0x07 0x90 0x00 0x4c 0xec 0x1e 0x17 0xd0
+
+# CHECK: pmxvi4ger8 0, 1, 2, 4, 4, 4
+0x07 0x90 0x04 0x44 0xec 0x01 0x11 0x18
+
+# CHECK: pmxvi4ger8pp 0, 1, 2, 4, 4, 4
+0x07 0x90 0x04 0x44 0xec 0x01 0x11 0x10
+
+# CHECK: pmxvi8ger4 0, 1, 2, 4, 4, 4
+0x07 0x90 0x40 0x44 0xec 0x01 0x10 0x18
+
+# CHECK: pmxvi8ger4pp 0, 1, 2, 4, 4, 4
+0x07 0x90 0x40 0x44 0xec 0x01 0x10 0x10
+
+# CHECK: pmxvi16ger2s 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x11 0x58
+
+# CHECK: pmxvi16ger2spp 0, 1, 2, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x01 0x11 0x50
+
+# CHECK: xvf16ger2 0, 1, 2
+0xec 0x01 0x10 0x98
+
+# CHECK: xvf16ger2pp 0, 1, 2
+0xec 0x01 0x10 0x90
+
+# CHECK: xvf16ger2pn 0, 1, 2
+0xec 0x01 0x14 0x90
+
+# CHECK: xvf16ger2np 0, 1, 2
+0xec 0x01 0x12 0x90
+
+# CHECK: xvf16ger2nn 0, 1, 2
+0xec 0x01 0x16 0x90
+
+# CHECK: xvf32ger 0, 1, 2
+0xec 0x01 0x10 0xd8
+
+# CHECK: xvf32gerpp 0, 1, 2
+0xec 0x01 0x10 0xd0
+
+# CHECK: xvf32gerpn 0, 1, 2
+0xec 0x01 0x14 0xd0
+
+# CHECK: xvf32gernp 0, 1, 2
+0xec 0x01 0x12 0xd0
+
+# CHECK: xvf32gernn 0, 1, 2
+0xec 0x01 0x16 0xd0
+
+# CHECK: xvf64ger 0, 0, 2
+0xec 0x00 0x11 0xd8
+
+# CHECK: xvf64gerpp 0, 2, 2
+0xec 0x02 0x11 0xd0
+
+# CHECK: xvf64gerpn 0, 62, 2
+0xec 0x1e 0x15 0xd4
+
+# CHECK: xvf64gernp 0, 0, 2
+0xec 0x00 0x13 0xd0
+
+# CHECK: xvf64gernn 0, 0, 2
+0xec 0x00 0x17 0xd0
+
+# CHECK: xvi4ger8 0, 1, 2
+0xec 0x01 0x11 0x18
+
+# CHECK: xvi4ger8pp 0, 1, 2
+0xec 0x01 0x11 0x10
+
+# CHECK: xvi8ger4 0, 1, 2
+0xec 0x01 0x10 0x18
+
+# CHECK: xvi8ger4pp 0, 1, 2
+0xec 0x01 0x10 0x10
+
+# CHECK: xvi16ger2s 0, 1, 2
+0xec 0x01 0x11 0x58
+
+# CHECK: xvi16ger2spp 0, 1, 2
+0xec 0x01 0x11 0x50
+
+# CHECK: xvbf16ger2 2, 33, 34
+0xed 0x01 0x11 0x9e
+
+# CHECK: xvbf16ger2pp 1, 33, 34
+0xec 0x81 0x11 0x96
+
+# CHECK: xvbf16ger2pn 2, 33, 34
+0xed 0x01 0x15 0x96
+
+# CHECK: xvbf16ger2np 1, 33, 34
+0xec 0x81 0x13 0x96
+
+# CHECK: xvbf16ger2nn 2, 33, 34
+0xed 0x01 0x17 0x96
+
+# CHECK: pmxvbf16ger2 2, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xed 0x01 0x11 0x9e
+
+# CHECK: pmxvbf16ger2pp 1, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x81 0x11 0x96
+
+# CHECK: pmxvbf16ger2pn 2, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xed 0x01 0x15 0x96
+
+# CHECK: pmxvbf16ger2np 1, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x81 0x13 0x96
+
+# CHECK: pmxvbf16ger2nn 2, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xed 0x01 0x17 0x96
+
+# CHECK: xvi8ger4spp 1, 33, 34
+0xec 0x81 0x13 0x1e
+
+# CHECK: xvi16ger2 1, 33, 34
+0xec 0x81 0x12 0x5e
+
+# CHECK: xvi16ger2pp 1, 33, 34
+0xec 0x81 0x13 0x5e
+
+# CHECK: pmxvi8ger4spp 1, 33, 34, 4, 4, 8
+0x07 0x90 0x80 0x44 0xec 0x81 0x13 0x1e
+
+# CHECK: pmxvi16ger2 1, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x81 0x12 0x5e
+
+# CHECK: pmxvi16ger2pp 1, 33, 34, 4, 4, 2
+0x07 0x90 0x80 0x44 0xec 0x81 0x13 0x5e
+
 # CHECK: lxvp 2, 32(4)
 0x18 0x44 0x00 0x20
 
diff --git a/llvm/test/MC/PowerPC/ppc64-encoding-ISA31.s b/llvm/test/MC/PowerPC/ppc64-encoding-ISA31.s
--- a/llvm/test/MC/PowerPC/ppc64-encoding-ISA31.s
+++ b/llvm/test/MC/PowerPC/ppc64-encoding-ISA31.s
@@ -32,6 +32,238 @@
 # CHECK-BE: xxsetaccz 1                        # encoding: [0x7c,0x83,0x01,0x62]
 # CHECK-LE: xxsetaccz 1                        # encoding: [0x62,0x01,0x83,0x7c]
             xxsetaccz 1
+# CHECK-BE: pmxvf16ger2 0, 1, 2, 4, 4, 2     # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x10,0x98]
+# CHECK-LE: pmxvf16ger2 0, 1, 2, 4, 4, 2     # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                          0x98,0x10,0x01,0xec]
+            pmxvf16ger2 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvf16ger2pp 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x10,0x90]
+# CHECK-LE: pmxvf16ger2pp 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                          0x90,0x10,0x01,0xec
+            pmxvf16ger2pp 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvf16ger2pn 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x14,0x90]
+# CHECK-LE: pmxvf16ger2pn 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                          0x90,0x14,0x01,0xec]
+            pmxvf16ger2pn 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvf16ger2np 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x12,0x90]
+# CHECK-LE: pmxvf16ger2np 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                          0x90,0x12,0x01,0xec]
+            pmxvf16ger2np 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvf16ger2nn 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x16,0x90]
+# CHECK-LE: pmxvf16ger2nn 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                          0x90,0x16,0x01,0xec]
+            pmxvf16ger2nn 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvf32ger 0, 1, 2, 4, 4      # encoding: [0x07,0x90,0x00,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x10,0xd8]
+# CHECK-LE: pmxvf32ger 0, 1, 2, 4, 4      # encoding: [0x44,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                          0xd8,0x10,0x01,0xec]
+            pmxvf32ger 0, 1, 2, 4, 4
+# CHECK-BE: pmxvf32gerpp 0, 1, 2, 4, 4    # encoding: [0x07,0x90,0x00,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x10,0xd0]
+# CHECK-LE: pmxvf32gerpp 0, 1, 2, 4, 4    # encoding: [0x44,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                          0xd0,0x10,0x01,0xec]
+            pmxvf32gerpp 0, 1, 2, 4, 4
+# CHECK-BE: pmxvf32gerpn 0, 1, 2, 4, 4    # encoding: [0x07,0x90,0x00,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x14,0xd0]
+# CHECK-LE: pmxvf32gerpn 0, 1, 2, 4, 4    # encoding: [0x44,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                          0xd0,0x14,0x01,0xec]
+            pmxvf32gerpn 0, 1, 2, 4, 4
+# CHECK-BE: pmxvf32gernp 0, 1, 2, 4, 4    # encoding: [0x07,0x90,0x00,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x12,0xd0]
+# CHECK-LE: pmxvf32gernp 0, 1, 2, 4, 4    # encoding: [0x44,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                          0xd0,0x12,0x01,0xec]
+            pmxvf32gernp 0, 1, 2, 4, 4
+# CHECK-BE: pmxvf32gernn 0, 1, 2, 4, 4    # encoding: [0x07,0x90,0x00,0x44,
+# CHECK-BE-SAME:                                          0xec,0x01,0x16,0xd0]
+# CHECK-LE: pmxvf32gernn 0, 1, 2, 4, 4    # encoding: [0x44,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                          0xd0,0x16,0x01,0xec]
+            pmxvf32gernn 0, 1, 2, 4, 4
+# CHECK-BE: pmxvf64ger 0, 0, 2, 4, 3      # encoding: [0x07,0x90,0x00,0x4c,
+# CHECK-BE-SAME:                                       0xec,0x00,0x11,0xd8]
+# CHECK-LE: pmxvf64ger 0, 0, 2, 4, 3      # encoding: [0x4c,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                       0xd8,0x11,0x00,0xec]
+            pmxvf64ger 0, 0, 2, 4, 3
+# CHECK-BE: pmxvf64gerpp 0, 2, 2, 4, 3    # encoding: [0x07,0x90,0x00,0x4c,
+# CHECK-BE-SAME:                                       0xec,0x02,0x11,0xd0]
+# CHECK-LE: pmxvf64gerpp 0, 2, 2, 4, 3    # encoding: [0x4c,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                       0xd0,0x11,0x02,0xec]
+            pmxvf64gerpp 0, 2, 2, 4, 3
+# CHECK-BE: pmxvf64gerpn 0, 4, 2, 4, 3    # encoding: [0x07,0x90,0x00,0x4c,
+# CHECK-BE-SAME:                                       0xec,0x04,0x15,0xd0]
+# CHECK-LE: pmxvf64gerpn 0, 4, 2, 4, 3    # encoding: [0x4c,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                       0xd0,0x15,0x04,0xec]
+            pmxvf64gerpn 0, 4, 2, 4, 3
+# CHECK-BE: pmxvf64gernp 0, 32, 2, 4, 3    # encoding: [0x07,0x90,0x00,0x4c,
+# CHECK-BE-SAME:                                       0xec,0x00,0x13,0xd4]
+# CHECK-LE: pmxvf64gernp 0, 32, 2, 4, 3    # encoding: [0x4c,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                       0xd4,0x13,0x00,0xec]
+            pmxvf64gernp 0, 32, 2, 4, 3
+# CHECK-BE: pmxvf64gernn 0, 62, 2, 4, 3    # encoding: [0x07,0x90,0x00,0x4c,
+# CHECK-BE-SAME:                                       0xec,0x1e,0x17,0xd4]
+# CHECK-LE: pmxvf64gernn 0, 62, 2, 4, 3    # encoding: [0x4c,0x00,0x90,0x07,
+# CHECK-LE-SAME:                                       0xd4,0x17,0x1e,0xec]
+            pmxvf64gernn 0, 62, 2, 4, 3
+# CHECK-BE: pmxvi4ger8 0, 1, 2, 4, 4, 4     # encoding: [0x07,0x90,0x04,0x44,
+# CHECK-BE-SAME:                                         0xec,0x01,0x11,0x18]
+# CHECK-LE: pmxvi4ger8 0, 1, 2, 4, 4, 4     # encoding: [0x44,0x04,0x90,0x07
+# CHECK-LE-SAME:                                         0x18,0x11,0x01,0xec]
+            pmxvi4ger8 0, 1, 2, 4, 4, 4
+# CHECK-BE: pmxvi4ger8pp 0, 1, 2, 4, 4, 4     # encoding: [0x07,0x90,0x04,0x44,
+# CHECK-BE-SAME:                                         0xec,0x01,0x11,0x10]
+# CHECK-LE: pmxvi4ger8pp 0, 1, 2, 4, 4, 4     # encoding: [0x44,0x04,0x90,0x07
+# CHECK-LE-SAME:                                         0x10,0x11,0x01,0xec]
+            pmxvi4ger8pp 0, 1, 2, 4, 4, 4
+# CHECK-BE: pmxvi8ger4 0, 1, 2, 4, 4, 4     # encoding: [0x07,0x90,0x40,0x44,
+# CHECK-BE-SAME:                                         0xec,0x01,0x10,0x18]
+# CHECK-LE: pmxvi8ger4 0, 1, 2, 4, 4, 4     # encoding: [0x44,0x40,0x90,0x07,
+# CHECK-LE-SAME:                                         0x18,0x10,0x01,0xec]
+            pmxvi8ger4 0, 1, 2, 4, 4, 4
+# CHECK-BE: pmxvi8ger4pp 0, 1, 2, 4, 4, 4     # encoding: [0x07,0x90,0x40,0x44,
+# CHECK-BE-SAME:                                           0xec,0x01,0x10,0x10]
+# CHECK-LE: pmxvi8ger4pp 0, 1, 2, 4, 4, 4     # encoding: [0x44,0x40,0x90,0x07,
+# CHECK-LE-SAME:                                           0x10,0x10,0x01,0xec]
+            pmxvi8ger4pp 0, 1, 2, 4, 4, 4
+# CHECK-BE: pmxvi16ger2s 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                         0xec,0x01,0x11,0x58]
+# CHECK-LE: pmxvi16ger2s 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                         0x58,0x11,0x01,0xec]
+            pmxvi16ger2s 0, 1, 2, 4, 4, 2
+# CHECK-BE: pmxvi16ger2spp 0, 1, 2, 4, 4, 2   # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                           0xec,0x01,0x11,0x50]
+# CHECK-LE: pmxvi16ger2spp 0, 1, 2, 4, 4, 2   # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                           0x50,0x11,0x01,0xec]
+            pmxvi16ger2spp 0, 1, 2, 4, 4, 2
+# CHECK-BE: xvf16ger2 0, 1, 2                 # encoding: [0xec,0x01,0x10,0x98]
+# CHECK-LE: xvf16ger2 0, 1, 2                 # encoding: [0x98,0x10,0x01,0xec]
+            xvf16ger2 0, 1, 2
+# CHECK-BE: xvf16ger2pp 0, 1, 2               # encoding: [0xec,0x01,0x10,0x90]
+# CHECK-LE: xvf16ger2pp 0, 1, 2               # encoding: [0x90,0x10,0x01,0xec]
+            xvf16ger2pp 0, 1, 2
+# CHECK-BE: xvf16ger2pn 0, 1, 2               # encoding: [0xec,0x01,0x14,0x90]
+# CHECK-LE: xvf16ger2pn 0, 1, 2               # encoding: [0x90,0x14,0x01,0xec]
+            xvf16ger2pn 0, 1, 2
+# CHECK-BE: xvf16ger2np 0, 1, 2               # encoding: [0xec,0x01,0x12,0x90]
+# CHECK-LE: xvf16ger2np 0, 1, 2               # encoding: [0x90,0x12,0x01,0xec]
+            xvf16ger2np 0, 1, 2
+# CHECK-BE: xvf16ger2nn 0, 1, 2               # encoding: [0xec,0x01,0x16,0x90]
+# CHECK-LE: xvf16ger2nn 0, 1, 2               # encoding: [0x90,0x16,0x01,0xec]
+            xvf16ger2nn 0, 1, 2
+# CHECK-BE: xvf32ger 0, 1, 2                 # encoding: [0xec,0x01,0x10,0xd8]
+# CHECK-LE: xvf32ger 0, 1, 2                 # encoding: [0xd8,0x10,0x01,0xec]
+            xvf32ger 0, 1, 2
+# CHECK-BE: xvf32gerpp 0, 1, 2               # encoding: [0xec,0x01,0x10,0xd0]
+# CHECK-LE: xvf32gerpp 0, 1, 2               # encoding: [0xd0,0x10,0x01,0xec]
+            xvf32gerpp 0, 1, 2
+# CHECK-BE: xvf32gerpn 0, 1, 2               # encoding: [0xec,0x01,0x14,0xd0]
+# CHECK-LE: xvf32gerpn 0, 1, 2               # encoding: [0xd0,0x14,0x01,0xec]
+            xvf32gerpn 0, 1, 2
+# CHECK-BE: xvf32gernp 0, 1, 2               # encoding: [0xec,0x01,0x12,0xd0]
+# CHECK-LE: xvf32gernp 0, 1, 2               # encoding: [0xd0,0x12,0x01,0xec]
+            xvf32gernp 0, 1, 2
+# CHECK-BE: xvf32gernn 0, 1, 2               # encoding: [0xec,0x01,0x16,0xd0]
+# CHECK-LE: xvf32gernn 0, 1, 2               # encoding: [0xd0,0x16,0x01,0xec]
+            xvf32gernn 0, 1, 2
+# CHECK-BE: xvf64ger 0, 2, 2                 # encoding: [0xec,0x02,0x11,0xd8]
+# CHECK-LE: xvf64ger 0, 2, 2                 # encoding: [0xd8,0x11,0x02,0xec]
+            xvf64ger 0, 2, 2
+# CHECK-BE: xvf64gerpp 0, 0, 2               # encoding: [0xec,0x00,0x11,0xd0]
+# CHECK-LE: xvf64gerpp 0, 0, 2               # encoding: [0xd0,0x11,0x00,0xec]
+            xvf64gerpp 0, 0, 2
+# CHECK-BE: xvf64gerpn 0, 4, 2               # encoding: [0xec,0x04,0x15,0xd0]
+# CHECK-LE: xvf64gerpn 0, 4, 2               # encoding: [0xd0,0x15,0x04,0xec]
+            xvf64gerpn 0, 4, 2
+# CHECK-BE: xvf64gernp 0, 62, 2               # encoding: [0xec,0x1e,0x13,0xd4]
+# CHECK-LE: xvf64gernp 0, 62, 2               # encoding: [0xd4,0x13,0x1e,0xec]
+            xvf64gernp 0, 62, 2
+# CHECK-BE: xvf64gernn 0, 0, 2               # encoding: [0xec,0x00,0x17,0xd0]
+# CHECK-LE: xvf64gernn 0, 0, 2               # encoding: [0xd0,0x17,0x00,0xec]
+            xvf64gernn 0, 0, 2
+# CHECK-BE: xvi4ger8 0, 1, 2                # encoding: [0xec,0x01,0x11,0x18]
+# CHECK-LE: xvi4ger8 0, 1, 2                # encoding: [0x18,0x11,0x01,0xec]
+            xvi4ger8 0, 1, 2
+# CHECK-BE: xvi4ger8pp 0, 1, 2              # encoding: [0xec,0x01,0x11,0x10]
+# CHECK-LE: xvi4ger8pp 0, 1, 2              # encoding: [0x10,0x11,0x01,0xec]
+            xvi4ger8pp 0, 1, 2
+# CHECK-BE: xvi8ger4 0, 1, 2                # encoding: [0xec,0x01,0x10,0x18]
+# CHECK-LE: xvi8ger4 0, 1, 2                # encoding: [0x18,0x10,0x01,0xec]
+            xvi8ger4 0, 1, 2
+# CHECK-BE: xvi8ger4pp 0, 1, 2              # encoding: [0xec,0x01,0x10,0x10]
+# CHECK-LE: xvi8ger4pp 0, 1, 2              # encoding: [0x10,0x10,0x01,0xec]
+            xvi8ger4pp 0, 1, 2
+# CHECK-BE: xvi16ger2s 0, 1, 2              # encoding: [0xec,0x01,0x11,0x58]
+# CHECK-LE: xvi16ger2s 0, 1, 2              # encoding: [0x58,0x11,0x01,0xec]
+            xvi16ger2s 0, 1, 2
+# CHECK-BE: xvi16ger2spp 0, 1, 2            # encoding: [0xec,0x01,0x11,0x50]
+# CHECK-LE: xvi16ger2spp 0, 1, 2            # encoding: [0x50,0x11,0x01,0xec]
+            xvi16ger2spp 0, 1, 2
+# CHECK-BE: xvbf16ger2 2, 33, 34                  # encoding: [0xed,0x01,0x11,0x9e]
+# CHECK-LE: xvbf16ger2 2, 33, 34                  # encoding: [0x9e,0x11,0x01,0xed]
+            xvbf16ger2 2, 33, 34
+# CHECK-BE: xvbf16ger2pp 1, 33, 34                # encoding: [0xec,0x81,0x11,0x96]
+# CHECK-LE: xvbf16ger2pp 1, 33, 34                # encoding: [0x96,0x11,0x81,0xec]
+            xvbf16ger2pp 1, 33, 34
+# CHECK-BE: xvbf16ger2pn 2, 33, 34                # encoding: [0xed,0x01,0x15,0x96]
+# CHECK-LE: xvbf16ger2pn 2, 33, 34                # encoding: [0x96,0x15,0x01,0xed]
+            xvbf16ger2pn 2, 33, 34
+# CHECK-BE: xvbf16ger2np 1, 33, 34                # encoding: [0xec,0x81,0x13,0x96]
+# CHECK-LE: xvbf16ger2np 1, 33, 34                # encoding: [0x96,0x13,0x81,0xec]
+            xvbf16ger2np 1, 33, 34
+# CHECK-BE: xvbf16ger2nn 2, 33, 34                # encoding: [0xed,0x01,0x17,0x96]
+# CHECK-LE: xvbf16ger2nn 2, 33, 34                # encoding: [0x96,0x17,0x01,0xed]
+            xvbf16ger2nn 2, 33, 34
+# CHECK-BE: pmxvbf16ger2 2, 33, 34, 4, 4, 2       # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xed,0x01,0x11,0x9e]
+# CHECK-LE: pmxvbf16ger2 2, 33, 34, 4, 4, 2       # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x9e,0x11,0x01,0xed]
+            pmxvbf16ger2 2, 33, 34, 4, 4, 2
+# CHECK-BE: pmxvbf16ger2pp 1, 33, 34, 4, 4, 2     # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xec,0x81,0x11,0x96]
+# CHECK-LE: pmxvbf16ger2pp 1, 33, 34, 4, 4, 2     # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x96,0x11,0x81,0xec]
+            pmxvbf16ger2pp 1, 33, 34, 4, 4, 2
+# CHECK-BE: pmxvbf16ger2pn 2, 33, 34, 4, 4, 2     # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xed,0x01,0x15,0x96]
+# CHECK-LE: pmxvbf16ger2pn 2, 33, 34, 4, 4, 2     # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x96,0x15,0x01,0xed]
+            pmxvbf16ger2pn 2, 33, 34, 4, 4, 2
+# CHECK-BE: pmxvbf16ger2np 1, 33, 34, 4, 4, 2     # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xec,0x81,0x13,0x96]
+# CHECK-LE: pmxvbf16ger2np 1, 33, 34, 4, 4, 2     # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x96,0x13,0x81,0xec]
+            pmxvbf16ger2np 1, 33, 34, 4, 4, 2
+# CHECK-BE: pmxvbf16ger2nn 2, 33, 34, 4, 4, 2     # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xed,0x01,0x17,0x96]
+# CHECK-LE: pmxvbf16ger2nn 2, 33, 34, 4, 4, 2     # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x96,0x17,0x01,0xed]
+            pmxvbf16ger2nn 2, 33, 34, 4, 4, 2
+# CHECK-BE: xvi8ger4spp 1, 33, 34                 # encoding: [0xec,0x81,0x13,0x1e]
+# CHECK-LE: xvi8ger4spp 1, 33, 34                 # encoding: [0x1e,0x13,0x81,0xec]
+            xvi8ger4spp 1, 33, 34
+# CHECK-BE: xvi16ger2 1, 33, 34                   # encoding: [0xec,0x81,0x12,0x5e]
+# CHECK-LE: xvi16ger2 1, 33, 34                   # encoding: [0x5e,0x12,0x81,0xec]
+            xvi16ger2 1, 33, 34
+# CHECK-BE: xvi16ger2pp 1, 33, 34                 # encoding: [0xec,0x81,0x13,0x5e]
+# CHECK-LE: xvi16ger2pp 1, 33, 34                 # encoding: [0x5e,0x13,0x81,0xec]
+            xvi16ger2pp 1, 33, 34
+# CHECK-BE: pmxvi8ger4spp 1, 33, 34, 4, 4, 8      # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xec,0x81,0x13,0x1e]
+# CHECK-LE: pmxvi8ger4spp 1, 33, 34, 4, 4, 8      # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x1e,0x13,0x81,0xec]
+            pmxvi8ger4spp 1, 33, 34, 4, 4, 8
+# CHECK-BE: pmxvi16ger2 1, 33, 34, 4, 4, 2        # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xec,0x81,0x12,0x5e]
+# CHECK-LE: pmxvi16ger2 1, 33, 34, 4, 4, 2        # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x5e,0x12,0x81,0xec]
+            pmxvi16ger2 1, 33, 34, 4, 4, 2
+# CHECK-BE: pmxvi16ger2pp 1, 33, 34, 4, 4, 2      # encoding: [0x07,0x90,0x80,0x44,
+# CHECK-BE-SAME:                                               0xec,0x81,0x13,0x5e]
+# CHECK-LE: pmxvi16ger2pp 1, 33, 34, 4, 4, 2      # encoding: [0x44,0x80,0x90,0x07,
+# CHECK-LE-SAME:                                               0x5e,0x13,0x81,0xec]
+            pmxvi16ger2pp 1, 33, 34, 4, 4, 2
 # CHECK-BE: lxvp 2, 32(4)                      # encoding: [0x18,0x44,0x00,0x20]
 # CHECK-LE: lxvp 2, 32(4)                      # encoding: [0x20,0x00,0x44,0x18]
             lxvp 2, 32(4)