diff --git a/Include/auROXTL/auFNV1Utils.hpp b/Include/auROXTL/auFNV1Utils.hpp index d47c223..f5fbabb 100644 --- a/Include/auROXTL/auFNV1Utils.hpp +++ b/Include/auROXTL/auFNV1Utils.hpp @@ -142,7 +142,7 @@ inline AuUInt32 AuFnv1a32Runtime(const void *base, AuUInt length) noexcept AuUInt i {}; for (; i < length; i++) { - result ^= AuUInt32(AuReadU8(base, i)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32(AuReadU8(base, i))) * AuUInt64(kFnv1MagicPrime32); } return result; @@ -155,7 +155,7 @@ inline AuUInt64 AuFnv1a64Runtime(const void *base, AuUInt length) noexcept AuUInt i {}; for (; i < length; i++) { - result ^= AuUInt64(AuReadU8(base, i)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64(AuReadU8(base, i))) * AuUInt64(kFnv1MagicPrime64); } return result; @@ -168,6 +168,131 @@ inline auto AuFnv1aRuntime(const void *base, AuUInt length) noexcept AuFnv1a64Runtime(base, length); } +template +inline AuUInt64 AuFnv1a64Runtime(const void *base) noexcept +{ + AuUInt64 result { kFnv1MagicVal64 }; + + AuUInt i {}; + for (; i < uCount; i++) + { + result = (result ^ AuUInt64(AuReadU8(base, i))) * AuUInt64(kFnv1MagicPrime64); + } + + return result; +} + + +template +inline AuUInt32 AuFnv1a32Runtime(const void *base) noexcept +{ + AuUInt32 result { kFnv1MagicVal32 }; + + AuUInt i {}; + for (; i < uCount; i++) + { + result = (result ^ AuUInt32(AuReadU8(base, i))) * AuUInt32(kFnv1MagicPrime32); + } + + return result; +} + +#if defined(AU_CPU_ENDIAN_LITTLE) + +template <> +inline AuUInt32 AuFnv1a32Runtime<2>(const void *base) noexcept +{ + AuUInt32 result { kFnv1MagicVal32 }; + + auto uWord16 = AuReadU16(base, 0); + result = (result ^ AuUInt32((uWord16 & 0xFF) >> 0)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord16 & 0xFF00) >> 8)) * AuUInt32(kFnv1MagicPrime32); + return result; +} + +template <> +inline AuUInt32 AuFnv1a32Runtime<4>(const void *base) noexcept +{ + AuUInt32 result { kFnv1MagicVal32 }; + + auto uWord32 = AuReadU32(base, 0); + result = (result ^ AuUInt32((uWord32 & 0xFF) >> 0)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF00) >> 8)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF0000) >> 16)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF000000) >> 24)) * AuUInt32(kFnv1MagicPrime32); + return result; +} + +template <> +inline AuUInt32 AuFnv1a32Runtime<8>(const void *base) noexcept +{ + AuUInt32 result { kFnv1MagicVal32 }; + + auto uWord32 = AuReadU32(base, 0); + auto uWord32Hi = AuReadU32(base, 4); + result = (result ^ AuUInt32((uWord32 & 0xFF) >> 0)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF00) >> 8)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF0000) >> 16)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32 & 0xFF000000) >> 24)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32Hi & 0xFF) >> 0)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32Hi & 0xFF00) >> 8)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32Hi & 0xFF0000) >> 16)) * AuUInt32(kFnv1MagicPrime32); + result = (result ^ AuUInt32((uWord32Hi & 0xFF000000) >> 24)) * AuUInt32(kFnv1MagicPrime32); + return result; +} + +template <> +inline AuUInt64 AuFnv1a64Runtime<2>(const void *base) noexcept +{ + AuUInt64 result { kFnv1MagicVal64 }; + + auto uWord16 = AuReadU16(base, 0); + result = (result ^ AuUInt64((uWord16 & 0xFF) >> 0)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord16 & 0xFF00) >> 8)) * AuUInt64(kFnv1MagicPrime64); + return result; +} + +template <> +inline AuUInt64 AuFnv1a64Runtime<4>(const void *base) noexcept +{ + AuUInt64 result { kFnv1MagicVal64 }; + + auto uWord64 = AuReadU32(base, 0); + result = (result ^ AuUInt64((uWord64 & 0xFF) >> 0)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord64 & 0xFF00) >> 8)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord64 & 0xFF0000) >> 16)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord64 & 0xFF000000) >> 24)) * AuUInt64(kFnv1MagicPrime64); + return result; +} + +template <> +inline AuUInt64 AuFnv1a64Runtime<8>(const void *base) noexcept +{ + AuUInt64 result { kFnv1MagicVal64 }; + + auto uWord32 = AuReadU32(base, 0); + auto uWord32Hi = AuReadU32(base, 4); + result = (result ^ AuUInt64((uWord32 & 0xFF) >> 0)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32 & 0xFF00) >> 8)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32 & 0xFF0000) >> 16)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32 & 0xFF000000) >> 24)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32Hi & 0xFF) >> 0)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32Hi & 0xFF00) >> 8)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32Hi & 0xFF0000) >> 16)) * AuUInt64(kFnv1MagicPrime64); + result = (result ^ AuUInt64((uWord32Hi & 0xFF000000) >> 24)) * AuUInt64(kFnv1MagicPrime64); + return result; +} + +#endif + +template +inline auto AuFnv1aRuntime(const void *base) noexcept +{ + return _AU_FNV1_32 ? + AuFnv1a32Runtime(base) : + AuFnv1a64Runtime(base); +} + #undef _AU_FNV1_32 #if defined(_AU_HASH_RETARD_COMPILER) diff --git a/Include/auROXTL/auHashUtils.hpp b/Include/auROXTL/auHashUtils.hpp index cf49c8e..a46e9d2 100644 --- a/Include/auROXTL/auHashUtils.hpp +++ b/Include/auROXTL/auHashUtils.hpp @@ -12,7 +12,7 @@ #define _AU_HASH_UTILS_HAS_STD -#if defined(AURORA_COMPILER_CLANG) && !defined(AURORA_BUG_DOES_CLANG_SUPPORT_64_BIT_CONSTEXPR_YET) +#if 1 || defined(AURORA_COMPILER_CLANG) && !defined(AURORA_BUG_DOES_CLANG_SUPPORT_64_BIT_CONSTEXPR_YET) #define _AU_HASH_RETARD_COMPILER #define _AH_HAS_RETARD_CONSTEXPR #else @@ -96,7 +96,7 @@ namespace AuHash #if defined(_AU_HASH_RETARD_COMPILER) return AuFnv1aRuntime(&key, sizeof(key)); #else - return AuFnv1aType(key); + return AuFnv1a64Runtime(&key); #endif } @@ -105,7 +105,7 @@ namespace AuHash #if defined(_AU_HASH_RETARD_COMPILER) return AuFnv1aRuntime(&key, sizeof(key)); #else - return AuFnv1aType(key); + return AuFnv1a64Runtime(&key); #endif } #endif @@ -117,7 +117,7 @@ namespace AuHash { \ _AH_HAS_RETARD_CONSTEXPR AuUInt operator ()(const type b) const \ { \ - return AuFnv1aRuntime(&b, sizeof(b)); \ + return AuFnv1aRuntime(&b); \ } \ }; #else @@ -127,7 +127,7 @@ namespace AuHash { \ _AH_HAS_RETARD_CONSTEXPR AuUInt operator ()(const type b) const \ { \ - return AuFnv1aType(b); \ + return AuFnv1aRuntime(&b); \ } \ }; #endif @@ -184,6 +184,7 @@ namespace AuHash #endif +#if 0 _HASH_INT32BIT(bool); _HASH_INT32BIT(char); _HASH_INT32BIT(signed char); @@ -200,6 +201,24 @@ namespace AuHash _HASH_INT64BIT(long long); _HASH_INT64BIT(unsigned long); _HASH_INT64BIT(unsigned long long); +#else + _HASH_INT(bool); + _HASH_INT(char); + _HASH_INT(signed char); + _HASH_INT(unsigned char); + _HASH_INT(char8_t); + _HASH_INT(char16_t); + _HASH_INT(char32_t); + _HASH_INT(wchar_t); + _HASH_INT(short); + _HASH_INT(unsigned short); + _HASH_INT(int); + _HASH_INT(unsigned int); + _HASH_INT(long); // I know, I don't care. + _HASH_INT(long long); + _HASH_INT(unsigned long); + _HASH_INT(unsigned long long); +#endif _HASH_INT(float); _HASH_INT(double); _HASH_INT(long double); @@ -409,9 +428,9 @@ struct AuEnableHashCodeOnData AuUInt HashCode() const { #if defined(AURORA_IS_32BIT) - return AuFnv1a32Runtime(AuStaticCast>(this), sizeof(T)); + return AuFnv1a64Runtime(AuStaticCast>(this)); #else - return AuFnv1a64Runtime(AuStaticCast>(this), sizeof(T)); + return AuFnv1a64Runtime(AuStaticCast>(this)); #endif } };