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VP8LDoFillBitWindow: remove stale TODO

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the read size may be fixed, but the offsets into buf_ are not. forcing
an aligned read then shifting or using a temporary would be costly. this
is less important now that WebPMemToUint32() is being used.

Change-Id: I357fec8f750969cce91987abebed2f95e27a835f
This commit is contained in:
James Zern 2016-05-19 23:07:10 -07:00
parent 2ec2de1450
commit d39ceb58ac
1 changed files with 0 additions and 2 deletions
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2
src/utils/bit_reader.c
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@ -192,8 +192,6 @@ static void ShiftBytes(VP8LBitReader* const br) {
void VP8LDoFillBitWindow(VP8LBitReader* const br) { void VP8LDoFillBitWindow(VP8LBitReader* const br) {
assert(br->bit_pos_ >= VP8L_WBITS); assert(br->bit_pos_ >= VP8L_WBITS);
// TODO(jzern): given the fixed read size it may be possible to force
// alignment in this block.
#if defined(VP8L_USE_UNALIGNED_LOAD) #if defined(VP8L_USE_UNALIGNED_LOAD)
if (br->pos_ + sizeof(br->val_) < br->len_) { if (br->pos_ + sizeof(br->val_) < br->len_) {
br->val_ >>= VP8L_WBITS; br->val_ >>= VP8L_WBITS;