Subzero, MIPS32: Intrinsic call Cttz for i32

src/IceAssemblerMIPS32.cpp

 //===- subzero/src/IceAssemblerMIPS32.cpp - MIPS32 Assembler --------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 759 matching lines @@
   static constexpr IValueT Opcode = 0x44000001;
   emitCOP1FmtFtFsFd(Opcode, DoublePrecision, OpFd, OpFs, OpFt, "sub.d");
 }
 
 void AssemblerMIPS32::sub_s(const Operand *OpFd, const Operand *OpFs,
                             const Operand *OpFt) {
   static constexpr IValueT Opcode = 0x44000001;
   emitCOP1FmtFtFsFd(Opcode, SinglePrecision, OpFd, OpFs, OpFt, "sub.s");
 }
 
+void AssemblerMIPS32::subu(const Operand *OpRd, const Operand *OpRs,
+                           const Operand *OpRt) {
+  static constexpr IValueT Opcode = 0x00000023;
+  emitRdRsRt(Opcode, OpRd, OpRs, OpRt, "subu");
+}
+
 void AssemblerMIPS32::sw(const Operand *OpRt, const Operand *OpBase,
                          const uint32_t Offset) {
   switch (OpRt->getType()) {
   case IceType_i1:
   case IceType_i8: {
     static constexpr IValueT Opcode = 0xA0000000;
     emitRtRsImm16(Opcode, OpRt, OpBase, Offset, "sb");
     break;
   }
   case IceType_i16: {
@@ skipping 132 matching lines @@
     emitBr(Cond, OpRs, OpRtNone, Dest);
     return;
   }
   const IOffsetT Position = Buffer.size();
   emitBr(Cond, OpRs, OpRtNone, TargetLabel->getEncodedPosition());
   TargetLabel->linkTo(*this, Position);
 }
 
 } // end of namespace MIPS32
 } // end of namespace Ice