Moved SIMD mem* functions to separate files

Library/MemorySetSIMD.cpp

@@ -0,0 +1,156 @@
+#include <convert.h>
+
+#include <memory.hpp>
+#include <limits.h>
+#include <debug.h>
+#include <cpu.hpp>
+
+// TODO: Implement these functions properly
+
+EXTERNC void *memset_sse(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0xF) == 0)
+    {
+        size_t num_vectors = n / 16;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movaps (%0), %%xmm0\n"
+                 "movaps %%xmm0, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}
+
+EXTERNC void *memset_sse2(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0xF) == 0)
+    {
+        size_t num_vectors = n / 16;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movdqa (%0), %%xmm0\n"
+                 "movdqa %%xmm0, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}
+
+EXTERNC void *memset_sse3(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0x7) == 0)
+    {
+        size_t num_vectors = n / 8;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movq (%0), %%xmm0\n"
+                 "movddup %%xmm0, %%xmm1\n"
+                 "movq %%xmm1, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0", "xmm1");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}
+
+EXTERNC void *memset_ssse3(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0xF) == 0)
+    {
+        size_t num_vectors = n / 16;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movdqa (%0), %%xmm0\n"
+                 "movdqa 16(%0), %%xmm1\n"
+                 "palignr $8, %%xmm0, %%xmm1\n"
+                 "movdqa %%xmm1, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0", "xmm1");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}
+
+EXTERNC void *memset_sse4_1(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0xF) == 0)
+    {
+        size_t num_vectors = n / 16;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movdqa (%0), %%xmm0\n"
+                 "movdqa %%xmm0, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}
+
+EXTERNC void *memset_sse4_2(void *dest, int c, size_t n)
+{
+    return memset_unsafe(dest, c, n);
+    char *d = (char *)dest;
+
+    if (((uintptr_t)d & 0xF) == 0)
+    {
+        size_t num_vectors = n / 16;
+        for (size_t i = 0; i < num_vectors; i++)
+        {
+            asmv("movdqa (%0), %%xmm0\n"
+                 "pcmpistri $0, (%0), %%xmm0\n"
+                 "movdqa %%xmm0, (%1)\n"
+                 :
+                 : "r"(c), "r"(d)
+                 : "xmm0");
+            d += 16;
+        }
+        n -= num_vectors * 16;
+    }
+
+    memset_unsafe(d, c, n);
+    return dest;
+}