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actually do the sse4.2 compile check for fast_hash

This commit is contained in:
espes 2015-07-12 01:58:24 +10:00
parent c47148e63d
commit be5a78e918
1 changed files with 4 additions and 4 deletions
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8
hw/xbox/nv2a.c
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@ -1478,7 +1478,7 @@ static uint64_t fnv_hash(const uint8_t *data, size_t len)
static uint64_t fast_hash(const uint8_t *data, size_t len, unsigned int samples)
{
// #ifdef __SSE4_2__
#ifdef __SSE4_2__
uint64_t h[4] = {len, 0, 0, 0};
assert(samples > 0);
@ -1507,9 +1507,9 @@ static uint64_t fast_hash(const uint8_t *data, size_t len, unsigned int samples)
h[2] = __builtin_ia32_crc32di(h[2], dp[step * 2]);
return h[0] + (h[1] << 10) + (h[2] << 21) + (h[3] << 32);
// #else
// return fnv_hash(data, len);
// #endif
#else
return fnv_hash(data, len);
#endif
}
static void update_irq(NV2AState *d)