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fix: Hifi stack arrays #10905

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fix: Hifi stack arrays #10905

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7842913
drc: hifi4: 8-byte align detector average input buffer
lrgirdwo Jun 11, 2026
d5b0110
up_down_mixer: hifi3: 8-byte align downmix coefficient array
lrgirdwo Jun 13, 2026
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2 changes: 1 addition & 1 deletion src/audio/drc/drc_hifi4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ void drc_update_detector_average(struct drc_state *state,
int nch)
{
ae_f32 detector_average = state->detector_average; /* Q2.30 */
ae_int32 abs_input_array[DRC_DIVISION_FRAMES]; /* Q1.31 */
ae_int32 abs_input_array[DRC_DIVISION_FRAMES] __attribute__((aligned(8))); /* Q1.31 */
ae_int32 *abs_input_array_p;
int div_start, i, ch;
ae_int16 *sample16_p; /* for s16 format case */
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2 changes: 1 addition & 1 deletion src/audio/up_down_mixer/up_down_mixer_hifi3.c
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Expand Up @@ -1247,7 +1247,7 @@ void downmix16bit_4ch_mono(struct up_down_mixer_data *cd, const uint8_t * const
uint32_t idx3 = get_channel_index(cd->in_channel_map, 2);
uint32_t idx4 = get_channel_index(cd->in_channel_map, 3);

uint16_t coeffs[4] = {cd->downmix_coefficients[idx1],
uint16_t coeffs[4] __attribute__((aligned(8))) = {cd->downmix_coefficients[idx1],
cd->downmix_coefficients[idx2],
cd->downmix_coefficients[idx3],
cd->downmix_coefficients[idx4]
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