Subzero, MIPS32: Implement logical instructions ashr, lshr, shl

src/IceInstMIPS32.h

 //===- subzero/src/IceInstMIPS32.h - MIPS32 machine instrs --*- C++ -*-===    //
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 121 matching lines @@
     Mov, // actually a pseudo op for addi rd, rs, 0
     Mthi,
     Mtlo,
     Mul,
     Mult,
     Multu,
     Or,
     Ori,
     Ret,
     Sll,
+    Sllv,
     Slt,
     Slti,
     Sltiu,
     Sltu,
     Sra,
+    Srav,
+    Srl,

[Jim Stichnoth, 2016/05/17 20:15:00]

Just curious - I didn't see any actual uses of Srl, wondering if this is just
for aesthetic completeness, or for future use.

+    Srlv,
     Sub,
     Subu,
     Xor,
     Xori
   };
 
   static const char *getWidthString(Type Ty);
 
   void dump(const Cfg *Func) const override;
 
@@ skipping 314 matching lines @@
 using InstMIPS32Mfhi = InstMIPS32UnaryopGPR<InstMIPS32::Mfhi>;
 using InstMIPS32Mflo = InstMIPS32UnaryopGPR<InstMIPS32::Mflo>;
 using InstMIPS32Mthi = InstMIPS32UnaryopGPR<InstMIPS32::Mthi>;
 using InstMIPS32Mtlo = InstMIPS32UnaryopGPR<InstMIPS32::Mtlo>;
 using InstMIPS32Mul = InstMIPS32ThreeAddrGPR<InstMIPS32::Mul>;
 using InstMIPS32Mult = InstMIPS32ThreeAddrGPR<InstMIPS32::Mult>;
 using InstMIPS32Multu = InstMIPS32ThreeAddrGPR<InstMIPS32::Multu>;
 using InstMIPS32Or = InstMIPS32ThreeAddrGPR<InstMIPS32::Or>;
 using InstMIPS32Ori = InstMIPS32Imm16<InstMIPS32::Ori>;
 using InstMIPS32Sll = InstMIPS32Imm16<InstMIPS32::Sll>;
+using InstMIPS32Sllv = InstMIPS32ThreeAddrGPR<InstMIPS32::Sllv>;
 using InstMIPS32Slt = InstMIPS32ThreeAddrGPR<InstMIPS32::Slt>;
 using InstMIPS32Slti = InstMIPS32Imm16<InstMIPS32::Slti>;
 using InstMIPS32Sltiu = InstMIPS32Imm16<InstMIPS32::Sltiu>;
 using InstMIPS32Sltu = InstMIPS32ThreeAddrGPR<InstMIPS32::Sltu>;
 using InstMIPS32Sra = InstMIPS32Imm16<InstMIPS32::Sra>;
+using InstMIPS32Srav = InstMIPS32ThreeAddrGPR<InstMIPS32::Srav>;
+using InstMIPS32Srl = InstMIPS32Imm16<InstMIPS32::Srl>;
+using InstMIPS32Srlv = InstMIPS32ThreeAddrGPR<InstMIPS32::Srlv>;
 using InstMIPS32Sub = InstMIPS32ThreeAddrGPR<InstMIPS32::Sub>;
 using InstMIPS32Subu = InstMIPS32ThreeAddrGPR<InstMIPS32::Subu>;
 using InstMIPS32Ori = InstMIPS32Imm16<InstMIPS32::Ori>;
 using InstMIPS32Xor = InstMIPS32ThreeAddrGPR<InstMIPS32::Xor>;
 using InstMIPS32Xori = InstMIPS32Imm16<InstMIPS32::Xori>;
 
 /// Handles (some of) vmov's various formats.
 class InstMIPS32Mov final : public InstMIPS32 {
   InstMIPS32Mov() = delete;
   InstMIPS32Mov(const InstMIPS32Mov &) = delete;
@@ skipping 40 matching lines @@
 template <> void InstMIPS32Mfhi::emit(const Cfg *Func) const;
 template <> void InstMIPS32Mtlo::emit(const Cfg *Func) const;
 template <> void InstMIPS32Mthi::emit(const Cfg *Func) const;
 template <> void InstMIPS32Mult::emit(const Cfg *Func) const;
 template <> void InstMIPS32Multu::emit(const Cfg *Func) const;
 
 } // end of namespace MIPS32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTMIPS32_H