[mips][mips64r6] Add bitswap, and dbitswap

[oota-llvm.git] / lib / Target / Mips / Mips32r6InstrFormats.td

diff --git a/lib/Target/Mips/Mips32r6InstrFormats.td b/lib/Target/Mips/Mips32r6InstrFormats.td
index b1ab7670f3ecf4098bf666f1eb883e239467bca1..505f0f9b5bf5c784b910b515855759b05bfddc38 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrFormats.td
+++ b/lib/Target/Mips/Mips32r6InstrFormats.td
@@ -47,8 +47,10 @@ def OPCODE5_DATI : OPCODE5<0b11110>;
 class OPCODE6<bits<6> Val> {
   bits<6> Value = Val;
 }
-def OPCODE6_ALIGN  : OPCODE6<0b100000>;
-def OPCODE6_DALIGN : OPCODE6<0b100100>;
+def OPCODE6_ALIGN    : OPCODE6<0b100000>;
+def OPCODE6_DALIGN   : OPCODE6<0b100100>;
+def OPCODE6_BITSWAP  : OPCODE6<0b100000>;
+def OPCODE6_DBITSWAP : OPCODE6<0b100100>;
 
 class FIELD_FMT<bits<5> Val> {
   bits<5> Value = Val;
@@ -118,6 +120,20 @@ class PCREL19_FM<OPCODE2 Operation> : MipsR6Inst {
   let Inst{18-0} = imm;
 }
 
+class SPECIAL3_2R_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<5> rd;
+  bits<5> rt;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL3.Value;
+  let Inst{25-21} = 0b00000;
+  let Inst{20-16} = rt;
+  let Inst{15-11} = rd;
+  let Inst{10-6}  = 0b00000;
+  let Inst{5-0}   = Operation.Value;
+}
+
 class SPECIAL_3R_FM<bits<5> mulop, bits<6> funct> : MipsR6Inst {
   bits<5> rd;
   bits<5> rs;