Dep/SFMT: updated to newest upstream version from https://github.com/MersenneTwister-Lab/SFMT

* only needed files added
* used CMake and SFMTRand from https://github.com/TrinityCore/TrinityCore/pull/23240 (Thank you Artox)

(cherry picked from commit 4e0279b0e48c9992842010b9f3f132e54a460128)

1 files changed, 321 insertions, 0 deletions

diff --git a/dep/SFMT/SFMT-sse2-msc.h b/dep/SFMT/SFMT-sse2-msc.h
new file mode 100644
index 00000000000..9839df1a218
--- /dev/null
+++ b/dep/SFMT/SFMT-sse2-msc.h
@@ -0,0 +1,321 @@
+#pragma once
+/**
+ * @file  SFMT-sse2-msc.h
+ * @brief SIMD oriented Fast Mersenne Twister(SFMT) for Intel SSE2 for MSC
+ *
+ * @author Mutsuo Saito (Hiroshima University)
+ * @author Makoto Matsumoto (Hiroshima University)
+ *
+ * @note We assume LITTLE ENDIAN in this file
+ *
+ * Copyright (C) 2006, 2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima
+ * University. All rights reserved.
+ * Copyright (C) 2013 Mutsuo Saito, Makoto Matsumoto and Hiroshima
+ * University.
+ *
+ * The new BSD License is applied to this software, see LICENSE.txt
+ */
+
+#ifndef SFMT_SSE2_MSC_H
+#define SFMT_SSE2_MSC_H
+
+/* This header file is included only when _MSC_VER is defined. */
+#if _MSC_VER > 1700
+
+inline static __m128i __vectorcall mm_recursion(__m128i a, __m128i b,
+                                                __m128i c, __m128i d);
+
+/**
+ * This function represents the recursion formula.
+ * @param a a 128-bit part of the interal state array
+ * @param b a 128-bit part of the interal state array
+ * @param c a 128-bit part of the interal state array
+ * @param d a 128-bit part of the interal state array
+ * @return new value
+ */
+inline static __m128i __vectorcall mm_recursion(__m128i a, __m128i b,
+                                                __m128i c, __m128i d)
+{
+    __m128i v, x, y, z;
+
+    y = _mm_srli_epi32(b, SFMT_SR1);
+    z = _mm_srli_si128(c, SFMT_SR2);
+    v = _mm_slli_epi32(d, SFMT_SL1);
+    z = _mm_xor_si128(z, a);
+    z = _mm_xor_si128(z, v);
+    x = _mm_slli_si128(a, SFMT_SL2);
+    y = _mm_and_si128(y, sse2_param_mask.si);
+    z = _mm_xor_si128(z, x);
+    return _mm_xor_si128(z, y);
+}
+
+/**
+ * This function fills the internal state array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state
+ */
+void sfmt_gen_rand_all(sfmt_t * sfmt) {
+    int i;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        pstate[i].si = mm_recursion(pstate[i].si,
+                                    pstate[i + SFMT_POS1].si, r1, r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        pstate[i].si = mm_recursion(pstate[i].si,
+                                    pstate[i + SFMT_POS1 - SFMT_N].si,
+                                    r1, r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+}
+
+/**
+ * This function fills the user-specified array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state.
+ * @param array an 128-bit array to be filled by pseudorandom numbers.
+ * @param size number of 128-bit pseudorandom numbers to be generated.
+ */
+static void gen_rand_array(sfmt_t * sfmt, w128_t * array, int size)
+{
+    int i, j;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        array[i].si = mm_recursion(pstate[i].si,
+                                   pstate[i + SFMT_POS1].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        array[i].si = mm_recursion(pstate[i].si,
+                                   array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < size - SFMT_N; i++) {
+        array[i].si = mm_recursion(array[i - SFMT_N].si,
+                                   array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (j = 0; j < 2 * SFMT_N - size; j++) {
+        pstate[j] = array[j + size - SFMT_N];
+    }
+    for (; i < size; i++, j++) {
+        array[i].si = mm_recursion(array[i - SFMT_N].si,
+                                   array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+        pstate[j] = array[i];
+    }
+}
+
+#elif defined(SFMT_USE_MACRO_FUNCTION_FOR_MSC)
+/**
+ * This function represents the recursion formula.
+ * @param r an output
+ * @param a a 128-bit part of the interal state array
+ * @param b a 128-bit part of the interal state array
+ * @param c a 128-bit part of the interal state array
+ * @param d a 128-bit part of the interal state array
+ */
+#define mm_recursion(r, a, b, c, d)           \
+do {                                          \
+    __m128i v, x, y, z;                       \
+                                              \
+    y = _mm_srli_epi32((b), SFMT_SR1);        \
+    z = _mm_srli_si128((c), SFMT_SR2);        \
+    v = _mm_slli_epi32((d), SFMT_SL1);        \
+    z = _mm_xor_si128(z, (a));                \
+    z = _mm_xor_si128(z, v);                  \
+    x = _mm_slli_si128((a), SFMT_SL2);        \
+    y = _mm_and_si128(y, sse2_param_mask.si); \
+    z = _mm_xor_si128(z, x);                  \
+    r = _mm_xor_si128(z, y);                  \
+} while (0)
+
+/**
+ * This function fills the internal state array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state
+ */
+void sfmt_gen_rand_all(sfmt_t * sfmt) {
+    int i;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        mm_recursion(pstate[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1].si, r1, r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        mm_recursion(pstate[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1 - SFMT_N].si,
+                     r1, r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+}
+
+/**
+ * This function fills the user-specified array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state.
+ * @param array an 128-bit array to be filled by pseudorandom numbers.
+ * @param size number of 128-bit pseudorandom numbers to be generated.
+ */
+static void gen_rand_array(sfmt_t * sfmt, w128_t * array, int size)
+{
+    int i, j;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        mm_recursion(array[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        mm_recursion(array[i].si, pstate[i].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < size - SFMT_N; i++) {
+        mm_recursion(array[i].si, array[i - SFMT_N].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (j = 0; j < 2 * SFMT_N - size; j++) {
+        pstate[j] = array[j + size - SFMT_N];
+    }
+    for (; i < size; i++, j++) {
+        mm_recursion(array[i].si, array[i - SFMT_N].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, r2);
+        r1 = r2;
+        r2 = array[i].si;
+        pstate[j] = array[i];
+    }
+}
+#else
+inline static void mm_recursion(__m128i * r, __m128i a, __m128i b,
+                                __m128i c, __m128i * d);
+
+/**
+ * This function represents the recursion formula.
+ * @param r an output
+ * @param a a 128-bit part of the interal state array
+ * @param b a 128-bit part of the interal state array
+ * @param c a 128-bit part of the interal state array
+ * @param d a 128-bit part of the interal state array
+ */
+inline static void mm_recursion(__m128i * r, __m128i a, __m128i b,
+                                __m128i c, __m128i * d)
+{
+    __m128i v, x, y, z;
+
+    y = _mm_srli_epi32(b, SFMT_SR1);
+    z = _mm_srli_si128(c, SFMT_SR2);
+    v = _mm_slli_epi32(*d, SFMT_SL1);
+    z = _mm_xor_si128(z, a);
+    z = _mm_xor_si128(z, v);
+    x = _mm_slli_si128(a, SFMT_SL2);
+    y = _mm_and_si128(y, sse2_param_mask.si);
+    z = _mm_xor_si128(z, x);
+    z = _mm_xor_si128(z, y);
+    *r = z;
+}
+
+/**
+ * This function fills the internal state array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state
+ */
+void sfmt_gen_rand_all(sfmt_t * sfmt) {
+    int i;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        mm_recursion(&pstate[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1].si, r1, &r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        mm_recursion(&pstate[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1 - SFMT_N].si,
+                     r1, &r2);
+        r1 = r2;
+        r2 = pstate[i].si;
+    }
+}
+
+/**
+ * This function fills the user-specified array with pseudorandom
+ * integers.
+ * @param sfmt SFMT internal state.
+ * @param array an 128-bit array to be filled by pseudorandom numbers.
+ * @param size number of 128-bit pseudorandom numbers to be generated.
+ */
+static void gen_rand_array(sfmt_t * sfmt, w128_t * array, int size)
+{
+    int i, j;
+    __m128i r1, r2;
+    w128_t * pstate = sfmt->state;
+
+    r1 = pstate[SFMT_N - 2].si;
+    r2 = pstate[SFMT_N - 1].si;
+    for (i = 0; i < SFMT_N - SFMT_POS1; i++) {
+        mm_recursion(&array[i].si, pstate[i].si,
+                     pstate[i + SFMT_POS1].si, r1, &r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < SFMT_N; i++) {
+        mm_recursion(&array[i].si, pstate[i].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, &r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (; i < size - SFMT_N; i++) {
+        mm_recursion(&array[i].si, array[i - SFMT_N].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, &r2);
+        r1 = r2;
+        r2 = array[i].si;
+    }
+    for (j = 0; j < 2 * SFMT_N - size; j++) {
+        pstate[j] = array[j + size - SFMT_N];
+    }
+    for (; i < size; i++, j++) {
+        mm_recursion(&array[i].si, array[i - SFMT_N].si,
+                     array[i + SFMT_POS1 - SFMT_N].si, r1, &r2);
+        r1 = r2;
+        r2 = array[i].si;
+        pstate[j] = array[i];
+    }
+}
+#endif
+
+#endif