hyung-hwan/qse
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Browse Source
This commit is contained in:
hyung-hwan 2008-04-25 07:21:17 +00:00
parent ff2f612422
commit 9d8423c51a
1 changed files with 34 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
ase/cmn/mem.c
View File

@ -1,5 +1,5 @@
/* /*
* $Id: mem.c 163 2008-04-24 13:08:14Z baconevi $ * $Id: mem.c 164 2008-04-24 13:21:17Z baconevi $
* *
* {License} * {License}
*/ */
@ -29,15 +29,15 @@ void* ase_memcpy (void* dst, const void* src, ase_size_t n)
ase_byte_t* d; ase_byte_t* d;
ase_byte_t* s; ase_byte_t* s;
if (n >= ASE_SIZEOF(ase_ulong_t) && IS_BOTH_ALIGNED(dst,src)) if (n >= ASE_SIZEOF(ase_size_t) && IS_BOTH_ALIGNED(dst,src))
{ {
ase_ulong_t* du = (ase_ulong_t*)dst; ase_size_t* du = (ase_size_t*)dst;
ase_ulong_t* su = (ase_ulong_t*)src; ase_size_t* su = (ase_size_t*)src;
while (n >= ASE_SIZEOF(ase_ulong_t)) while (n >= ASE_SIZEOF(ase_size_t))
{ {
*du++ = *su++; *du++ = *su++;
n -= ASE_SIZEOF(ase_ulong_t); n -= ASE_SIZEOF(ase_size_t);
} }
d = (ase_byte_t*)du; d = (ase_byte_t*)du;
@ -79,10 +79,9 @@ void* ase_memset (void* dst, int val, ase_size_t n)
if (rem > 0) if (rem > 0)
{ {
ase_byte_t* d = (ase_byte_t*)dst; ase_byte_t* d = (ase_byte_t*)dst;
do
{ do { *d++ = (ase_byte_t)val; }
*d++ = (ase_byte_t)val; while (n-- > 0 && ++rem <= ASE_SIZEOF(v16));
} while (n-- > 0 && ++rem <= ASE_SIZEOF(v16));
vd = (vector unsigned char*)d; vd = (vector unsigned char*)d;
} }
@ -104,33 +103,42 @@ void* ase_memset (void* dst, int val, ase_size_t n)
#else #else
ase_byte_t* d; ase_byte_t* d = (ase_byte_t*)dst;
ase_size_t rem;
if (n >= ASE_SIZEOF(ase_ulong_t) && IS_ALIGNED(dst)) rem = IS_UNALIGNED(dst);
if (rem > 0)
{ {
ase_ulong_t* u = (ase_ulong_t*)dst; d = (ase_byte_t*)dst;
ase_ulong_t uv = 0; do { *d++ = (ase_byte_t)val;
printf ("unaligned...\n");
}
while (n-- > 0 && ++rem <= ASE_SIZEOF(ase_size_t));
}
if (n >= ASE_SIZEOF(ase_size_t))
{
ase_size_t* u = d;
ase_size_t uv = 0;
int i; int i;
if (val != 0) if (val != 0)
{ {
for (i = 0; i < ASE_SIZEOF(ase_ulong_t); i++) for (i = 0; i < ASE_SIZEOF(ase_size_t); i++)
uv = (uv << 8) | (ase_byte_t)val; uv = (uv << 8) | (ase_byte_t)val;
} }
while (n >= ASE_SIZEOF(ase_ulong_t)) while (n >= ASE_SIZEOF(ase_size_t))
{ {
printf ("block...\n");
*u++ = uv; *u++ = uv;
n -= ASE_SIZEOF(ase_ulong_t); n -= ASE_SIZEOF(ase_size_t);
} }
d = (ase_byte_t*)u; d = (ase_byte_t*)u;
} }
else
{
d = (ase_byte_t*)dst;
}
printf ("unaligned %lld...\n", (long long)n);
while (n-- > 0) *d++ = (ase_byte_t)val; while (n-- > 0) *d++ = (ase_byte_t)val;
return dst; return dst;
@ -170,16 +178,16 @@ int ase_memcmp (const void* s1, const void* s2, ase_size_t n)
const ase_byte_t* b1; const ase_byte_t* b1;
const ase_byte_t* b2; const ase_byte_t* b2;
if (n >= ASE_SIZEOF(ase_ulong_t) && IS_BOTH_ALIGNED(s1,s2)) if (n >= ASE_SIZEOF(ase_size_t) && IS_BOTH_ALIGNED(s1,s2))
{ {
const ase_ulong_t* u1 = (const ase_ulong_t*)s1; const ase_size_t* u1 = (const ase_size_t*)s1;
const ase_ulong_t* u2 = (const ase_ulong_t*)s2; const ase_size_t* u2 = (const ase_size_t*)s2;
while (n >= ASE_SIZEOF(ase_ulong_t)) while (n >= ASE_SIZEOF(ase_size_t))
{ {
if (*u1 != *u2) break; if (*u1 != *u2) break;
u1++; u2++; u1++; u2++;
n -= ASE_SIZEOF(ase_ulong_t); n -= ASE_SIZEOF(ase_size_t);
} }
b1 = (const ase_byte_t*)u1; b1 = (const ase_byte_t*)u1;