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QoL improvements

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This commit is contained in:
Alex
2023-03-27 20:11:32 +03:00
parent 3eb6923374
commit 93afcd2210
59 changed files with 612 additions and 424 deletions
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31
Library/MemOp.c
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@ -4,6 +4,9 @@
#include <limits.h>
#include <debug.h>
#pragma GCC diagnostic ignored "-Wconversion"
#pragma GCC diagnostic ignored "-Wsign-conversion"
/* Some of the functions are from musl library */
/* https://www.musl-libc.org/ */
/*
@ -85,9 +88,11 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
}
if (n >= 32)
{
switch ((uintptr_t)d % 4)
{
case 1:
{
w = *(u32 *)s;
*d++ = *s++;
*d++ = *s++;
@ -105,7 +110,9 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
*(u32 *)(d + 12) = (x LS 24) | (w RS 8);
}
break;
}
case 2:
{
w = *(u32 *)s;
*d++ = *s++;
*d++ = *s++;
@ -122,7 +129,9 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
*(u32 *)(d + 12) = (x LS 16) | (w RS 16);
}
break;
}
case 3:
{
w = *(u32 *)s;
*d++ = *s++;
n -= 1;
@ -139,6 +148,11 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
}
break;
}
default:
break;
}
}
if (n & 16)
{
*d++ = *s++;
@ -158,6 +172,7 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
*d++ = *s++;
*d++ = *s++;
}
if (n & 8)
{
*d++ = *s++;
@ -169,6 +184,7 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
*d++ = *s++;
*d++ = *s++;
}
if (n & 4)
{
*d++ = *s++;
@ -176,11 +192,13 @@ void *memcpy_unsafe(void *dest, const void *src, size_t n)
*d++ = *s++;
*d++ = *s++;
}
if (n & 2)
{
*d++ = *s++;
*d++ = *s++;
}
if (n & 1)
{
*d = *s;
@ -200,18 +218,24 @@ void *memset_unsafe(void *dest, int c, size_t n)
if (!n)
return dest;
s[0] = c;
s[n - 1] = c;
if (n <= 2)
return dest;
s[1] = c;
s[2] = c;
s[n - 2] = c;
s[n - 3] = c;
if (n <= 6)
return dest;
s[3] = c;
s[n - 4] = c;
if (n <= 8)
return dest;
@ -227,14 +251,18 @@ void *memset_unsafe(void *dest, int c, size_t n)
u32 c32 = ((u32)-1) / 255 * (unsigned char)c;
*(u32 *)(s + 0) = c32;
*(u32 *)(s + n - 4) = c32;
if (n <= 8)
return dest;
*(u32 *)(s + 4) = c32;
*(u32 *)(s + 8) = c32;
*(u32 *)(s + n - 12) = c32;
*(u32 *)(s + n - 8) = c32;
if (n <= 24)
return dest;
*(u32 *)(s + 12) = c32;
*(u32 *)(s + 16) = c32;
*(u32 *)(s + 20) = c32;
@ -276,6 +304,7 @@ void *memmove_unsafe(void *dest, const void *src, size_t n)
if (d == s)
return d;
if ((uintptr_t)s - (uintptr_t)d - n <= -2 * n)
return memcpy(d, s, n);
@ -288,6 +317,7 @@ void *memmove_unsafe(void *dest, const void *src, size_t n)
{
if (!n--)
return dest;
*d++ = *s++;
}
for (; n >= WS; n -= WS, d += WS, s += WS)
@ -306,6 +336,7 @@ void *memmove_unsafe(void *dest, const void *src, size_t n)
{
if (!n--)
return dest;
d[n] = s[n];
}
while (n >= WS)