VM: Remove collection of unused range feedback.

runtime/vm/assembler_ia32.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_IA32)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 2921 matching lines @@
 }
 
 
 void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
   LoadClassIdMayBeSmi(result, object);
   // Tag the result.
   SmiTag(result);
 }
 
 
-void Assembler::ComputeRange(Register result,
-                             Register value,
-                             Register lo_temp,
-                             Register hi_temp,
-                             Label* not_mint) {
-  Label done;
-  movl(result, value);
-  shrl(result, Immediate(kBitsPerWord - 1));  // Sign bit.
-  testl(value, Immediate(kSmiTagMask));
-  j(ZERO, &done, Assembler::kNearJump);
-  CompareClassId(value, kMintCid, result);
-  j(NOT_EQUAL, not_mint);
-  movl(lo_temp, FieldAddress(value, Mint::value_offset()));
-  movl(hi_temp, FieldAddress(value, Mint::value_offset() + kWordSize));
-  movl(result, Immediate(ICData::kInt32RangeBit));
-  subl(result, hi_temp);  // 10 (positive int32), 11 (negative int32)
-  sarl(lo_temp, Immediate(kBitsPerWord - 1));
-  cmpl(lo_temp, hi_temp);
-  j(EQUAL, &done, Assembler::kNearJump);
-  movl(result, Immediate(ICData::kUint32RangeBit));  // Uint32
-  cmpl(hi_temp, Immediate(0));
-  j(EQUAL, &done, Assembler::kNearJump);
-  movl(result, Immediate(ICData::kInt64RangeBit));  // Int64
-  Bind(&done);
-}
-
-
-void Assembler::UpdateRangeFeedback(Register value,
-                                    intptr_t index,
-                                    Register ic_data,
-                                    Register scratch1,
-                                    Register scratch2,
-                                    Register scratch3,
-                                    Label* miss) {
-  ASSERT(ICData::IsValidRangeFeedbackIndex(index));
-  ComputeRange(scratch1, value, scratch2, scratch3, miss);
-  shll(scratch1, Immediate(ICData::RangeFeedbackShift(index)));
-  orl(FieldAddress(ic_data, ICData::state_bits_offset()), scratch1);
-}
-
-
 Address Assembler::ElementAddressForIntIndex(bool is_external,
                                              intptr_t cid,
                                              intptr_t index_scale,
                                              Register array,
                                              intptr_t index) {
   if (is_external) {
     return Address(array, index * index_scale);
   } else {
     const int64_t disp = static_cast<int64_t>(index) * index_scale +
         Instance::DataOffsetFor(cid);
@@ skipping 55 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32