+def : MipsPat<(i64 (sext_inreg CPU64Regs:$src, i32)),
+ (SLL64_64 CPU64Regs:$src)>;
+
+// bswap MipsPattern
+def : MipsPat<(bswap CPU64Regs:$rt), (DSHD (DSBH CPU64Regs:$rt))>;
+
+//===----------------------------------------------------------------------===//
+// Instruction aliases
+//===----------------------------------------------------------------------===//
+def : InstAlias<"move $dst, $src",
+ (DADDu CPU64RegsOpnd:$dst, CPU64RegsOpnd:$src, ZERO_64), 1>,
+ Requires<[HasMips64]>;
+def : InstAlias<"move $dst, $src",
+ (OR64 CPU64RegsOpnd:$dst, CPU64RegsOpnd:$src, ZERO_64), 0>,
+ Requires<[HasMips64]>;
+def : InstAlias<"and $rs, $rt, $imm",
+ (DANDi CPU64RegsOpnd:$rs, CPU64RegsOpnd:$rt, uimm16_64:$imm),
+ 1>,
+ Requires<[HasMips64]>;
+def : InstAlias<"slt $rs, $rt, $imm",
+ (SLTi64 CPURegsOpnd:$rs, CPU64Regs:$rt, simm16_64:$imm), 1>,
+ Requires<[HasMips64]>;
+def : InstAlias<"xor $rs, $rt, $imm",
+ (XORi64 CPU64RegsOpnd:$rs, CPU64RegsOpnd:$rt, uimm16_64:$imm),
+ 1>,
+ Requires<[HasMips64]>;
+def : InstAlias<"not $rt, $rs",
+ (NOR64 CPU64RegsOpnd:$rt, CPU64RegsOpnd:$rs, ZERO_64), 1>,
+ Requires<[HasMips64]>;
+def : InstAlias<"j $rs", (JR64 CPU64Regs:$rs), 0>, Requires<[HasMips64]>;
+def : InstAlias<"jalr $rs", (JALR64 RA_64, CPU64Regs:$rs)>,
+ Requires<[HasMips64]>;
+def : InstAlias<"daddu $rs, $rt, $imm",
+ (DADDiu CPU64RegsOpnd:$rs, CPU64RegsOpnd:$rt, simm16_64:$imm),
+ 1>;
+def : InstAlias<"dadd $rs, $rt, $imm",
+ (DADDi CPU64RegsOpnd:$rs, CPU64RegsOpnd:$rt, simm16_64:$imm),
+ 1>;
+
+/// Move between CPU and coprocessor registers
+
+let DecoderNamespace = "Mips64" in {
+def DMFC0_3OP64 : MFC3OP<(outs CPU64RegsOpnd:$rt),
+ (ins CPU64RegsOpnd:$rd, uimm16:$sel),
+ "dmfc0\t$rt, $rd, $sel">, MFC3OP_FM<0x10, 1>;
+def DMTC0_3OP64 : MFC3OP<(outs CPU64RegsOpnd:$rd, uimm16:$sel),
+ (ins CPU64RegsOpnd:$rt),
+ "dmtc0\t$rt, $rd, $sel">, MFC3OP_FM<0x10, 5>;
+def DMFC2_3OP64 : MFC3OP<(outs CPU64RegsOpnd:$rt),
+ (ins CPU64RegsOpnd:$rd, uimm16:$sel),
+ "dmfc2\t$rt, $rd, $sel">, MFC3OP_FM<0x12, 1>;
+def DMTC2_3OP64 : MFC3OP<(outs CPU64RegsOpnd:$rd, uimm16:$sel),
+ (ins CPU64RegsOpnd:$rt),
+ "dmtc2\t$rt, $rd, $sel">, MFC3OP_FM<0x12, 5>;
+}
+
+// Two operand (implicit 0 selector) versions:
+def : InstAlias<"dmfc0 $rt, $rd",
+ (DMFC0_3OP64 CPU64RegsOpnd:$rt, CPU64RegsOpnd:$rd, 0), 0>;
+def : InstAlias<"dmtc0 $rt, $rd",
+ (DMTC0_3OP64 CPU64RegsOpnd:$rd, 0, CPU64RegsOpnd:$rt), 0>;
+def : InstAlias<"dmfc2 $rt, $rd",
+ (DMFC2_3OP64 CPU64RegsOpnd:$rt, CPU64RegsOpnd:$rd, 0), 0>;
+def : InstAlias<"dmtc2 $rt, $rd",
+ (DMTC2_3OP64 CPU64RegsOpnd:$rd, 0, CPU64RegsOpnd:$rt), 0>;