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Add SSSE3 implementation for Adler32.

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Natalia Portillo
2021-09-28 20:16:40 +01:00
parent 04d7f954d6
commit 00a8cb8668
6 changed files with 188 additions and 1 deletions
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12
adler32.c
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@@ -29,6 +29,7 @@
#include "library.h"
#include "adler32.h"
#include "simd.h"
AARU_EXPORT adler32_ctx* AARU_CALL adler32_init()
{
@@ -48,8 +49,19 @@ AARU_EXPORT int AARU_CALL adler32_update(adler32_ctx* ctx, const uint8_t* data,
{
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())
{
adler32_ssse3(&ctx->sum1, &ctx->sum2, data, len);
return 0;
}
#endif
uint32_t sum1 = ctx->sum1;
uint32_t sum2 = ctx->sum2;
unsigned n;
/* in case user likes doing a byte at a time, keep it fast */