kode54
/
cog
2
1
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

libFLAC: One more time 

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
CQTexperiment
Christopher Snowhill 2022-02-06 03:18:55 -08:00
parent b73f1f280e
commit 361f61618a
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Frameworks/FLAC/flac-1.3.3/src/libFLAC/bitreader.c
View File

@ -990,18 +990,21 @@ extern FLAC__bool FLAC__bitreader_read_uint32_little_endian(FLAC__BitReader *br,
* === LZCNT ===
*/
#define __LZCNT__
#include <x86intrin.h>
#undef COUNT_ZERO_MSBS
#undef COUNT_ZERO_MSBS2
#if (ENABLE_64_BIT_WORDS == 0)
#define COUNT_ZERO_MSBS(word) __lzcnt(word)
#define COUNT_ZERO_MSBS2(word) __lzcnt(word)
#define COUNT_ZERO_MSBS(word) __lzcnt32(word)
#define COUNT_ZERO_MSBS2(word) __lzcnt32(word)
#else
#define COUNT_ZERO_MSBS(word) __lzcnt64(word)
#define COUNT_ZERO_MSBS2(word) __lzcnt64(word)
#endif
#pragma clang attribute push (__attribute__((target("lzcnt"))), apply_to=function)
FLAC__bool FLAC__bitreader_read_unary_unsigned__LZCNT(FLAC__BitReader* br, uint32_t* val)
{
uint32_t i;
@ -1061,7 +1064,6 @@ FLAC__bool FLAC__bitreader_read_unary_unsigned__LZCNT(FLAC__BitReader* br, uint3
/* this is by far the most heavily used reader call. it ain't pretty but it's fast */
#pragma clang attribute push (__attribute__((target("lzcnt"))), apply_to=function)
FLAC__bool FLAC__bitreader_read_rice_signed_block__LZCNT(FLAC__BitReader* br, int vals[], uint32_t nvals, uint32_t parameter)
{
/* try and get br->consumed_words and br->consumed_bits into register;