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fix unaligned

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This commit is contained in:
laurent
2022-08-22 12:55:23 +02:00
parent ad8381a66b
commit 0475b78ff4
1 changed files with 8 additions and 16 deletions
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openair1/PHY/TOOLS/cmult_sv.c
+8 -16
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@@ -85,38 +85,30 @@ void multadd_real_vector_complex_scalar(int16_t *x,
uint32_t i;
// do 8 multiplications at a time
simd_q15_t alpha_r_128,alpha_i_128,yr,yi,*x_128=(simd_q15_t*)x,*y_128=(simd_q15_t*)y;
int j;
simd_q15_t alpha_r_128, alpha_i_128, yr, yi, *x_128 = (simd_q15_t *)x, *y_128 = (simd_q15_t *)y;
// printf("alpha = %d,%d\n",alpha[0],alpha[1]);
alpha_r_128 = set1_int16(alpha[0]);
alpha_i_128 = set1_int16(alpha[1]);
j=0;
for (i=0; i<N>>3; i++) {
yr = mulhi_s1_int16(alpha_r_128,x_128[i]);
yi = mulhi_s1_int16(alpha_i_128,x_128[i]);
#if defined(__x86_64__) || defined(__i386__)
y_128[j] = _mm_adds_epi16(y_128[j],_mm_unpacklo_epi16(yr,yi));
j++;
y_128[j] = _mm_adds_epi16(y_128[j],_mm_unpackhi_epi16(yr,yi));
j++;
const simd_q15_t tmp = _mm_loadu_si128(y_128);
_mm_storeu_si128(y_128++, _mm_adds_epi16(tmp, _mm_unpacklo_epi16(yr, yi)));
const simd_q15_t tmp2 = _mm_loadu_si128(y_128);
_mm_storeu_si128(y_128++, _mm_adds_epi16(tmp2, _mm_unpackhi_epi16(yr, yi)));
#elif defined(__arm__)
int16x8x2_t yint;
yint = vzipq_s16(yr,yi);
y_128[j] = adds_int16(y_128[j],yint.val[0]);
*y_128 = adds_int16(*y_128, yint.val[0]);
j++;
y_128[j] = adds_int16(y_128[j],yint.val[1]);
*y_128 = adds_int16(*y_128, yint.val[1]);
j++;
#endif
}
_mm_empty();
_m_empty();
}
void multadd_real_four_symbols_vector_complex_scalar(int16_t *x,