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authorSzuWei Lin <szuweilin@google.com>2019-12-23 18:43:15 +0800
committerSzuWei Lin <szuweilin@google.com>2019-12-23 18:43:15 +0800
commit07719d9fcbff51738527be625de9a76a487d94a3 (patch)
tree86b5889aa7313f85d3477fb94ac88ca3d707f528
parentf52454f858828fddd6b45b478ed4081dadcc8ac4 (diff)
parent9c311310c6b1c7ef18fad78572670c7486fc65dc (diff)
downloadlibopus-android10-gsi.tar.gz
Merge branch android10-qpr1-releaseandroid10-gsi
Change-Id: I878671322c0532c8e6082bac19b96e02dcf270a9
-rw-r--r--silk/fixed/arm/warped_autocorrelation_FIX_neon_intr.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/silk/fixed/arm/warped_autocorrelation_FIX_neon_intr.c b/silk/fixed/arm/warped_autocorrelation_FIX_neon_intr.c
index ee06f986..99d5754c 100644
--- a/silk/fixed/arm/warped_autocorrelation_FIX_neon_intr.c
+++ b/silk/fixed/arm/warped_autocorrelation_FIX_neon_intr.c
@@ -84,7 +84,9 @@ void silk_warped_autocorrelation_FIX_neon(
silk_assert( ( order & 1 ) == 0 );
silk_assert( 2 * QS - QC >= 0 );
- ALLOC( input_QST, length + 2 * MAX_SHAPE_LPC_ORDER, opus_int32 );
+ /* The additional +4 is to ensure a later vld1q_s32 call does not overflow. */
+ /* Strictly, only +3 is needed but +4 simplifies initialization using the 4x32 neon load. */
+ ALLOC( input_QST, length + 2 * MAX_SHAPE_LPC_ORDER + 4, opus_int32 );
input_QS = input_QST;
/* input_QS has zero paddings in the beginning and end. */
@@ -121,6 +123,8 @@ void silk_warped_autocorrelation_FIX_neon(
vst1q_s32( input_QS, vdupq_n_s32( 0 ) );
input_QS += 4;
vst1q_s32( input_QS, vdupq_n_s32( 0 ) );
+ input_QS += 4;
+ vst1q_s32( input_QS, vdupq_n_s32( 0 ) );
input_QS = input_QST + MAX_SHAPE_LPC_ORDER - orderT;
/* The following loop runs ( length + order ) times, with ( order ) extra epilogues. */
@@ -153,7 +157,8 @@ void silk_warped_autocorrelation_FIX_neon(
opus_int o = orderT;
int32x4_t state_QS_s32x4[ 3 ][ 2 ];
- ALLOC( state, length + orderT, opus_int32 );
+ /* The additional +4 is to ensure a later vld1q_s32 call does not overflow. */
+ ALLOC( state, length + order + 4, opus_int32 );
state_QS_s32x4[ 2 ][ 1 ] = vdupq_n_s32( 0 );
/* Calculate 8 taps of all inputs in each loop. */