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Using SSAT in SIG2WORD16() on ARMv6

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This commit is contained in:
Jean-Marc Valin 2014-01-22 19:22:05 -05:00
parent 9b3a3ad7ff
commit 2e6876c07a
4 changed files with 29 additions and 11 deletions
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9
celt/fixed_generic.h
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@ -135,4 +135,13 @@
/** Divide a 32-bit value by a 32-bit value. Result fits in 32 bits */
#define DIV32(a,b) (((opus_val32)(a))/((opus_val32)(b)))
static OPUS_INLINE opus_val16 SIG2WORD16_generic(celt_sig x)
{
x = PSHR32(x, SIG_SHIFT);
x = MAX32(x, -32768);
x = MIN32(x, 32767);
return EXTRACT16(x);
}
#define SIG2WORD16(x) (SIG2WORD16_generic(x))
#endif