VM: Remove collection of unused range feedback.

runtime/vm/assembler_ia32.cc

Index: runtime/vm/assembler_ia32.cc
diff --git a/runtime/vm/assembler_ia32.cc b/runtime/vm/assembler_ia32.cc
index 1bc37d8f758c220f71e2d773fcaaa102b94a2e29..c6383148cc2e288a8e87c4f6a792984571a93028 100644
--- a/runtime/vm/assembler_ia32.cc
+++ b/runtime/vm/assembler_ia32.cc
@@ -2939,47 +2939,6 @@ void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
 }
 
 
-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,