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Sync opus codec to upstream git

Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1
This commit is contained in:
William Wilgus 2019-01-04 02:01:18 -06:00 committed by Solomon Peachy
parent 75d9393796
commit 14c6bb798d
286 changed files with 48931 additions and 1278 deletions

View file

@ -29,6 +29,11 @@ POSSIBILITY OF SUCH DAMAGE.
#ifndef SILK_MACROS_ARMv5E_H
#define SILK_MACROS_ARMv5E_H
/* This macro only avoids the undefined behaviour from a left shift of
a negative value. It should only be used in macros that can't include
SigProc_FIX.h. In other cases, use silk_LSHIFT32(). */
#define SAFE_SHL(a,b) ((opus_int32)((opus_uint32)(a) << (b)))
/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
#undef silk_SMULWB
static OPUS_INLINE opus_int32 silk_SMULWB_armv5e(opus_int32 a, opus_int16 b)
@ -190,7 +195,7 @@ static OPUS_INLINE opus_int32 silk_CLZ16_armv5(opus_int16 in16)
"#silk_CLZ16\n\t"
"clz %0, %1;\n"
: "=r"(res)
: "r"(in16<<16|0x8000)
: "r"(SAFE_SHL(in16,16)|0x8000)
);
return res;
}
@ -210,4 +215,6 @@ static OPUS_INLINE opus_int32 silk_CLZ32_armv5(opus_int32 in32)
}
#define silk_CLZ32(in32) (silk_CLZ32_armv5(in32))
#undef SAFE_SHL
#endif /* SILK_MACROS_ARMv5E_H */