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-rw-r--r--src/common/hash.cpp141
1 files changed, 0 insertions, 141 deletions
diff --git a/src/common/hash.cpp b/src/common/hash.cpp
deleted file mode 100644
index a02e9e5b9..000000000
--- a/src/common/hash.cpp
+++ /dev/null
@@ -1,141 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#if defined(_MSC_VER)
-#include <stdlib.h>
-#endif
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/hash.h"
-
-namespace Common {
-
-// MurmurHash3 was written by Austin Appleby, and is placed in the public
-// domain. The author hereby disclaims copyright to this source code.
-
-// Block read - if your platform needs to do endian-swapping or can only handle aligned reads, do
-// the conversion here
-static FORCE_INLINE u64 getblock64(const u64* p, size_t i) {
- return p[i];
-}
-
-// Finalization mix - force all bits of a hash block to avalanche
-static FORCE_INLINE u64 fmix64(u64 k) {
- k ^= k >> 33;
- k *= 0xff51afd7ed558ccdllu;
- k ^= k >> 33;
- k *= 0xc4ceb9fe1a85ec53llu;
- k ^= k >> 33;
-
- return k;
-}
-
-// This is the 128-bit variant of the MurmurHash3 hash function that is targeted for 64-bit
-// platforms (MurmurHash3_x64_128). It was taken from:
-// https://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp
-void MurmurHash3_128(const void* key, size_t len, u32 seed, void* out) {
- const u8* data = (const u8*)key;
- const size_t nblocks = len / 16;
-
- u64 h1 = seed;
- u64 h2 = seed;
-
- const u64 c1 = 0x87c37b91114253d5llu;
- const u64 c2 = 0x4cf5ad432745937fllu;
-
- // Body
-
- const u64* blocks = (const u64*)(data);
-
- for (size_t i = 0; i < nblocks; i++) {
- u64 k1 = getblock64(blocks, i * 2 + 0);
- u64 k2 = getblock64(blocks, i * 2 + 1);
-
- k1 *= c1;
- k1 = _rotl64(k1, 31);
- k1 *= c2;
- h1 ^= k1;
-
- h1 = _rotl64(h1, 27);
- h1 += h2;
- h1 = h1 * 5 + 0x52dce729;
-
- k2 *= c2;
- k2 = _rotl64(k2, 33);
- k2 *= c1;
- h2 ^= k2;
-
- h2 = _rotl64(h2, 31);
- h2 += h1;
- h2 = h2 * 5 + 0x38495ab5;
- }
-
- // Tail
-
- const u8* tail = (const u8*)(data + nblocks * 16);
-
- u64 k1 = 0;
- u64 k2 = 0;
-
- switch (len & 15) {
- case 15:
- k2 ^= ((u64)tail[14]) << 48;
- case 14:
- k2 ^= ((u64)tail[13]) << 40;
- case 13:
- k2 ^= ((u64)tail[12]) << 32;
- case 12:
- k2 ^= ((u64)tail[11]) << 24;
- case 11:
- k2 ^= ((u64)tail[10]) << 16;
- case 10:
- k2 ^= ((u64)tail[9]) << 8;
- case 9:
- k2 ^= ((u64)tail[8]) << 0;
- k2 *= c2;
- k2 = _rotl64(k2, 33);
- k2 *= c1;
- h2 ^= k2;
-
- case 8:
- k1 ^= ((u64)tail[7]) << 56;
- case 7:
- k1 ^= ((u64)tail[6]) << 48;
- case 6:
- k1 ^= ((u64)tail[5]) << 40;
- case 5:
- k1 ^= ((u64)tail[4]) << 32;
- case 4:
- k1 ^= ((u64)tail[3]) << 24;
- case 3:
- k1 ^= ((u64)tail[2]) << 16;
- case 2:
- k1 ^= ((u64)tail[1]) << 8;
- case 1:
- k1 ^= ((u64)tail[0]) << 0;
- k1 *= c1;
- k1 = _rotl64(k1, 31);
- k1 *= c2;
- h1 ^= k1;
- };
-
- // Finalization
-
- h1 ^= len;
- h2 ^= len;
-
- h1 += h2;
- h2 += h1;
-
- h1 = fmix64(h1);
- h2 = fmix64(h2);
-
- h1 += h2;
- h2 += h1;
-
- ((u64*)out)[0] = h1;
- ((u64*)out)[1] = h2;
-}
-
-} // namespace Common