From 0475b78ff43f925f909bf96494c4efe87f9be445 Mon Sep 17 00:00:00 2001 From: laurent Date: Mon, 22 Aug 2022 12:55:23 +0200 Subject: [PATCH] fix unaligned --- openair1/PHY/TOOLS/cmult_sv.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/openair1/PHY/TOOLS/cmult_sv.c b/openair1/PHY/TOOLS/cmult_sv.c index a9d502b9eb..fb2f4d589e 100644 --- a/openair1/PHY/TOOLS/cmult_sv.c +++ b/openair1/PHY/TOOLS/cmult_sv.c @@ -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>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,