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bit_reader.c: s/VP8L_USE_UNALIGNED_LOAD/VP8L_USE_FAST_LOAD/

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no longer gate this on WEBP_FORCE_ALIGNED as WebPMemToUint32() provides
this service. replace that check with WORDS_BIGENDIAN as the block is
currently little-endian specific.

Change-Id: Ie04ec0179022d20dab53da878008ae049837782f
This commit is contained in:
James Zern 2016-05-19 23:14:02 -07:00
parent d39ceb58ac
commit ac49e4e4dc
1 changed files with 3 additions and 3 deletions
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6
src/utils/bit_reader.c
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@ -120,11 +120,11 @@ int32_t VP8GetSignedValue(VP8BitReader* const br, int bits) {
#define VP8L_LOG8_WBITS 4 // Number of bytes needed to store VP8L_WBITS bits. #define VP8L_LOG8_WBITS 4 // Number of bytes needed to store VP8L_WBITS bits.
#if !defined(WEBP_FORCE_ALIGNED) && \ #if !defined(WORDS_BIGENDIAN) && \
(defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || \ (defined(__arm__) || defined(_M_ARM) || defined(__aarch64__) || \
defined(__i386__) || defined(_M_IX86) || \ defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64__) || defined(_M_X64)) defined(__x86_64__) || defined(_M_X64))
#define VP8L_USE_UNALIGNED_LOAD #define VP8L_USE_FAST_LOAD
#endif #endif
static const uint32_t kBitMask[VP8L_MAX_NUM_BIT_READ + 1] = { static const uint32_t kBitMask[VP8L_MAX_NUM_BIT_READ + 1] = {
@ -192,7 +192,7 @@ 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);
#if defined(VP8L_USE_UNALIGNED_LOAD) #if defined(VP8L_USE_FAST_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;
br->bit_pos_ -= VP8L_WBITS; br->bit_pos_ -= VP8L_WBITS;