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Merge remote-tracking branch 'origin/nullPointerArithmeticRedundantCheck_cppcheck_fix_on_w27_2023' into integration_2023_w33

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This commit is contained in:
Robert Schmidt
2023-08-18 13:04:19 +02:00
parent 5b943f598d a6e11e7029
commit 8b87c656e0
4 changed files with 42 additions and 23 deletions
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openair1/PHY/TOOLS/cmult_sv.c
+5 -5
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@@ -89,8 +89,7 @@ void rotate_cpx_vector(const c16_t *const x, const c16_t *const alpha, c16_t *y,
// stores result in y
// N is the number of complex numbers
// output_shift reduces the result of the multiplication by this number of bits
//AssertFatal(N%8==0, "To be developped");
if ( (intptr_t)x%32 == 0 && !(intptr_t)y%32 == 0 && __builtin_cpu_supports("avx2")) {
if ( __builtin_cpu_supports("avx2")) {
// output is 32 bytes aligned, but not the input
const c16_t for_re={alpha->r, -alpha->i};
@@ -132,13 +131,14 @@ void rotate_cpx_vector(const c16_t *const x, const c16_t *const alpha, c16_t *y,
__m256i* xd= (__m256i*)x;
const __m256i *end=xd+N/8;
for( __m256i* yd = (__m256i *)y; xd<end ; yd++, xd++) {
const __m256i xre = simde_mm256_srai_epi32(simde_mm256_madd_epi16(*xd,alpha_for_real),
const __m256i y256= _mm256_lddqu_si256(xd);
const __m256i xre = simde_mm256_srai_epi32(simde_mm256_madd_epi16(y256,alpha_for_real),
output_shift);
const __m256i xim = simde_mm256_srai_epi32(simde_mm256_madd_epi16(*xd,alpha_for_im),
const __m256i xim = simde_mm256_srai_epi32(simde_mm256_madd_epi16(y256,alpha_for_im),
output_shift);
// a bit faster than unpacklo+unpackhi+packs
const __m256i tmp=simde_mm256_packs_epi32(xre,xim);
*yd=simde_mm256_shuffle_epi8(tmp,perm_mask);
_mm256_storeu_si256(yd,simde_mm256_shuffle_epi8(tmp,perm_mask));
}
c16_t* alpha16=(c16_t*) alpha, *yLast;
yLast=((c16_t*)y)+(N/8)*8;