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| author | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-05 12:07:02 -0400 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-05 12:07:02 -0400 |
| commit | 29d1369a796580c952e7512ca24541966e0498c4 (patch) | |
| tree | 0b54ab712c1b91cb97a8e39d74b17b414439e5bd /silk/process_NLSFs.c | |
| parent | 3f4a64fabfbb3bd07267c2f087d9af7a03732d1d (diff) | |
| download | opus-29d1369a796580c952e7512ca24541966e0498c4.tar.gz | |
Replace another useless 32x16 multiply with 16x16
Diffstat (limited to 'silk/process_NLSFs.c')
| -rw-r--r-- | silk/process_NLSFs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/silk/process_NLSFs.c b/silk/process_NLSFs.c index 248000bc..0ab71f01 100644 --- a/silk/process_NLSFs.c +++ b/silk/process_NLSFs.c @@ -41,7 +41,7 @@ void silk_process_NLSFs( { opus_int i, doInterpolate; opus_int NLSF_mu_Q20; - opus_int32 i_sqr_Q15; + opus_int16 i_sqr_Q15; opus_int16 pNLSF0_temp_Q15[ MAX_LPC_ORDER ]; opus_int16 pNLSFW_QW[ MAX_LPC_ORDER ]; opus_int16 pNLSFW0_temp_QW[ MAX_LPC_ORDER ]; @@ -79,7 +79,8 @@ void silk_process_NLSFs( /* Update NLSF weights with contribution from first half */ i_sqr_Q15 = silk_LSHIFT( silk_SMULBB( psEncC->indices.NLSFInterpCoef_Q2, psEncC->indices.NLSFInterpCoef_Q2 ), 11 ); for( i = 0; i < psEncC->predictLPCOrder; i++ ) { - pNLSFW_QW[ i ] = silk_SMLAWB( silk_RSHIFT( pNLSFW_QW[ i ], 1 ), (opus_int32)pNLSFW0_temp_QW[ i ], i_sqr_Q15 ); + pNLSFW_QW[ i ] = silk_ADD16( silk_RSHIFT( pNLSFW_QW[ i ], 1 ), silk_RSHIFT( + silk_SMULBB( pNLSFW0_temp_QW[ i ], i_sqr_Q15 ), 16) ); silk_assert( pNLSFW_QW[ i ] >= 1 ); } } |