commit 0c3aa31b7151c3b67aa0dff1ae2b8718eeb905c7
author David Srbecky <dsrbecky@google.com> Fri Aug 03 14:52:32 2018 +0100
committer David Srbecky <dsrbecky@google.com> Fri Aug 10 12:40:01 2018 +0100
tree b7153d8f452ba686cc88052079aafae3f838d34e
parent 971a80e5aa36955d9fee6b479a5cbd554f50ca08

Move varint encoding/decoding to BitMemoryReader/Writer.

Test: test-art-host-gtest-bit_memory_region_test
Change-Id: I0f7d7dfc9efe9df0e3e746b1741c46f06a0bd3b4

runtime/stack_map.cc

diff --git a/runtime/stack_map.cc b/runtime/stack_map.cc
index b0c59a6..689904a 100644
--- a/runtime/stack_map.cc
+++ b/runtime/stack_map.cc
@@ -36,7 +36,7 @@
                                       BitMemoryReader& reader,
                                       const uint8_t* reader_data) {
   if (reader.ReadBit() /* is_deduped */) {
-    ssize_t bit_offset = reader.NumberOfReadBits() - DecodeVarintBits(reader);
+    ssize_t bit_offset = reader.NumberOfReadBits() - reader.ReadVarint();
     BitMemoryReader reader2(reader_data, bit_offset);  // The offset is negative.
     table.Decode(reader2);
   } else {
@@ -46,10 +46,10 @@
 
 void CodeInfo::Decode(const uint8_t* data, DecodeFlags flags) {
   BitMemoryReader reader(data);
-  packed_frame_size_ = DecodeVarintBits(reader);
-  core_spill_mask_ = DecodeVarintBits(reader);
-  fp_spill_mask_ = DecodeVarintBits(reader);
-  number_of_dex_registers_ = DecodeVarintBits(reader);
+  packed_frame_size_ = reader.ReadVarint();
+  core_spill_mask_ = reader.ReadVarint();
+  fp_spill_mask_ = reader.ReadVarint();
+  number_of_dex_registers_ = reader.ReadVarint();
   DecodeTable(stack_maps_, reader, data);
   DecodeTable(register_masks_, reader, data);
   DecodeTable(stack_masks_, reader, data);
@@ -82,7 +82,7 @@
   } else {
     writer_.WriteBit(true);  // Is deduped.
     size_t bit_offset = writer_.NumberOfWrittenBits();
-    EncodeVarintBits(writer_, bit_offset - it.first->second);
+    writer_.WriteVarint(bit_offset - it.first->second);
   }
 }
 
@@ -90,10 +90,10 @@
   writer_.ByteAlign();
   size_t deduped_offset = writer_.NumberOfWrittenBits() / kBitsPerByte;
   BitMemoryReader reader(code_info);
-  EncodeVarintBits(writer_, DecodeVarintBits(reader));  // packed_frame_size_.
-  EncodeVarintBits(writer_, DecodeVarintBits(reader));  // core_spill_mask_.
-  EncodeVarintBits(writer_, DecodeVarintBits(reader));  // fp_spill_mask_.
-  EncodeVarintBits(writer_, DecodeVarintBits(reader));  // number_of_dex_registers_.
+  writer_.WriteVarint(reader.ReadVarint());  // packed_frame_size_.
+  writer_.WriteVarint(reader.ReadVarint());  // core_spill_mask_.
+  writer_.WriteVarint(reader.ReadVarint());  // fp_spill_mask_.
+  writer_.WriteVarint(reader.ReadVarint());  // number_of_dex_registers_.
   DedupeTable<StackMap>(reader);
   DedupeTable<RegisterMask>(reader);
   DedupeTable<MaskInfo>(reader);