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Group E exponent changed from a static value (-240) to dynamic

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tevador
2019-04-30 21:14:50 +02:00
parent be21ba767c
commit ca96270509
8 changed files with 56 additions and 46 deletions
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src/vm_interpreted.cpp
+4 -5
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@@ -61,11 +61,10 @@ namespace randomx {
template<class Allocator, bool softAes>
FORCE_INLINE __m128d InterpretedVm<Allocator, softAes>::maskRegisterExponentMantissa(__m128d x) {
constexpr uint64_t mantissaMask64 = (1ULL << 52) - 1;
const __m128d mantissaMask = _mm_castsi128_pd(_mm_set_epi64x(mantissaMask64, mantissaMask64));
const __m128d exponentMask = _mm_load_pd((const double*)&config.eMask);
x = _mm_and_pd(x, mantissaMask);
x = _mm_or_pd(x, exponentMask);
const __m128d xmantissaMask = _mm_castsi128_pd(_mm_set_epi64x(dynamicMantissaMask, dynamicMantissaMask));
const __m128d xexponentMask = _mm_load_pd((const double*)&config.eMask);
x = _mm_and_pd(x, xmantissaMask);
x = _mm_or_pd(x, xexponentMask);
return x;
}