VM: Remove collection of unused range feedback.

runtime/vm/assembler_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 1903 matching lines @@
   LoadImmediate(result, kSmiCid, EQ);
 }
 
 
 void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
   LoadClassIdMayBeSmi(result, object);
   SmiTag(result);
 }
 
 
-void Assembler::ComputeRange(Register result,
-                             Register value,
-                             Register scratch,
-                             Label* not_mint) {
-  const Register hi = TMP;
-  const Register lo = scratch;
-
-  Label done;
-  mov(result, Operand(value, LSR, kBitsPerWord - 1));
-  tst(value, Operand(kSmiTagMask));
-  b(&done, EQ);
-  CompareClassId(value, kMintCid, result);
-  b(not_mint, NE);
-  ldr(hi, FieldAddress(value, Mint::value_offset() + kWordSize));
-  ldr(lo, FieldAddress(value, Mint::value_offset()));
-  rsb(result, hi, Operand(ICData::kInt32RangeBit));
-  cmp(hi, Operand(lo, ASR, kBitsPerWord - 1));
-  b(&done, EQ);
-  LoadImmediate(result, ICData::kUint32RangeBit);  // Uint32
-  tst(hi, Operand(hi));
-  LoadImmediate(result, ICData::kInt64RangeBit, NE);  // Int64
-  Bind(&done);
-}
-
-
-void Assembler::UpdateRangeFeedback(Register value,
-                                    intptr_t index,
-                                    Register ic_data,
-                                    Register scratch1,
-                                    Register scratch2,
-                                    Label* miss) {
-  ASSERT(ICData::IsValidRangeFeedbackIndex(index));
-  ComputeRange(scratch1, value, scratch2, miss);
-  ldr(scratch2, FieldAddress(ic_data, ICData::state_bits_offset()));
-  orr(scratch2,
-      scratch2,
-      Operand(scratch1, LSL, ICData::RangeFeedbackShift(index)));
-  str(scratch2, FieldAddress(ic_data, ICData::state_bits_offset()));
-}
-
-
 static bool CanEncodeBranchOffset(int32_t offset) {
   ASSERT(Utils::IsAligned(offset, 4));
   return Utils::IsInt(Utils::CountOneBits(kBranchOffsetMask), offset);
 }
 
 
 int32_t Assembler::EncodeBranchOffset(int32_t offset, int32_t inst) {
   // The offset is off by 8 due to the way the ARM CPUs read PC.
   offset -= Instr::kPCReadOffset;
 
@@ skipping 1572 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM