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lib/x86/adler32: fix wrong array length in adler32_sse2_chunk() #347

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merged 2 commits into from
Mar 2, 2024
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lib/x86/adler32: fix wrong array length in adler32_sse2_chunk() #347

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190a44c
lib/x86/adler32: minor tweak for consistency
ebiggers Mar 2, 2024
677ebe7
lib/x86/adler32: fix wrong array length in adler32_sse2_chunk()
ebiggers Mar 2, 2024
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10 changes: 5 additions & 5 deletions lib/x86/adler32_impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -124,7 +124,7 @@
static forceinline ATTRIBUTES void
adler32_sse2_chunk(const __m128i *p, const __m128i *const end, u32 *s1, u32 *s2)
{
static const u16 _aligned_attribute(16) mults[4][16] = {
static const u16 _aligned_attribute(16) mults[4][8] = {
{ 32, 31, 30, 29, 28, 27, 26, 25 },
{ 24, 23, 22, 21, 20, 19, 18, 17 },
{ 16, 15, 14, 13, 12, 11, 10, 9 },
Expand Down Expand Up @@ -299,10 +299,10 @@ adler32_avx2_vnni_chunk(const __m256i *p, const __m256i *const end,
__m256i /* __v8su */ v_s2_d = zeroes;

do {
__m256i bytes_a = *p++;
__m256i bytes_b = *p++;
__m256i bytes_c = *p++;
__m256i bytes_d = *p++;
const __m256i bytes_a = *p++;
const __m256i bytes_b = *p++;
const __m256i bytes_c = *p++;
const __m256i bytes_d = *p++;

v_s2_a = _mm256_dpbusd_avx_epi32(v_s2_a, bytes_a, mults_a);
v_s2_b = _mm256_dpbusd_avx_epi32(v_s2_b, bytes_b, mults_b);
Expand Down
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