VM: Remove collection of unused range feedback.

runtime/vm/assembler_mips.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 808 matching lines @@
   Bind(&done);
 }
 
 
 void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
   LoadClassIdMayBeSmi(result, object);
   SmiTag(result);
 }
 
 
-void Assembler::ComputeRange(Register result,
-                             Register value,
-                             Label* miss) {
-  const Register hi = TMP;
-  const Register lo = CMPRES2;
-
-  Label done;
-  srl(result, value, kBitsPerWord - 1);
-  andi(CMPRES1, value, Immediate(kSmiTagMask));
-  beq(CMPRES1, ZR, &done);
-
-  LoadClassId(CMPRES1, value);
-  BranchNotEqual(CMPRES1, Immediate(kMintCid), miss);
-  LoadFieldFromOffset(hi, value, Mint::value_offset() + kWordSize);
-  LoadFieldFromOffset(lo, value, Mint::value_offset());
-  sra(lo, lo, kBitsPerWord - 1);
-
-  LoadImmediate(result, ICData::kInt32RangeBit);
-
-  beq(hi, lo, &done);
-  delay_slot()->subu(result, result, hi);
-
-  beq(hi, ZR, &done);
-  delay_slot()->addiu(result, ZR, Immediate(ICData::kUint32RangeBit));
-  LoadImmediate(result, ICData::kInt64RangeBit);
-  Bind(&done);
-}
-
-
-void Assembler::UpdateRangeFeedback(Register value,
-                                    intptr_t index,
-                                    Register ic_data,
-                                    Register scratch,
-                                    Label* miss) {
-  ASSERT(ICData::IsValidRangeFeedbackIndex(index));
-  ComputeRange(scratch, value, miss);
-  LoadFieldFromOffset(TMP, ic_data, ICData::state_bits_offset());
-  sll(scratch, scratch, ICData::RangeFeedbackShift(index));
-  or_(TMP, TMP, scratch);
-  StoreFieldToOffset(TMP, ic_data, ICData::state_bits_offset());
-}
-
-
 void Assembler::EnterFrame() {
   ASSERT(!in_delay_slot_);
   addiu(SP, SP, Immediate(-2 * kWordSize));
   sw(RA, Address(SP, 1 * kWordSize));
   sw(FP, Address(SP, 0 * kWordSize));
   mov(FP, SP);
 }
 
 
 void Assembler::LeaveFrameAndReturn() {
@@ skipping 424 matching lines @@
   Label stop;
   b(&stop);
   Emit(reinterpret_cast<int32_t>(message));
   Bind(&stop);
   break_(Instr::kStopMessageCode);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS