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Implement Fletcher-16 using SSSE3 instructions

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This commit is contained in:
JosJuice
2023-09-23 20:33:41 +02:00
committed by Natalia Portillo
parent a9b6c4868b
commit 2878dea20d
5 changed files with 327 additions and 1 deletions
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10
fletcher16.c
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@@ -66,6 +66,16 @@ AARU_EXPORT int AARU_CALL fletcher16_update(fletcher16_ctx *ctx, const uint8_t *
{
if(!ctx || !data) return -1;
#if defined(__x86_64__) || defined(__amd64) || defined(_M_AMD64) || defined(_M_X64) || defined(__I386__) || \
defined(__i386__) || defined(__THW_INTEL) || defined(_M_IX86)
if(have_ssse3())
{
fletcher16_ssse3(&ctx->sum1, &ctx->sum2, data, len);
return 0;
}
#endif
uint32_t sum1 = ctx->sum1;
uint32_t sum2 = ctx->sum2;
unsigned n;