Public-Mirror/GARbro-mirror
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2024-12-23 19:34:15 +08:00
Code Issues Projects Releases Wiki Activity

(MMX): added paddb and pslld instructions.

Browse Source
This commit is contained in:
morkt 2015-11-07 00:14:03 +04:00
parent 99ae2f3e4e
commit 682be864fa
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
ArcFormats/ArcCommon.cs
View File

@ -408,6 +408,16 @@ namespace GameRes.Formats
public static class MMX
{
public static ulong PAddB (ulong x, ulong y)
{
ulong r = 0;
for (ulong mask = 0xFF; mask != 0; mask <<= 8)
{
r |= ((x & mask) + (y & mask)) & mask;
}
return r;
}
public static ulong PAddW (ulong x, ulong y)
{
ulong mask = 0xffff;
@ -428,6 +438,13 @@ namespace GameRes.Formats
mask <<= 32;
return r | ((x & mask) + (y & mask)) & mask;
}
public static ulong PSllD (ulong x, int count)
{
ulong mask = 0xFFFFFFFFu << count;
mask |= mask << 32;
return (x << count) & mask;
}
}
public static class Dump