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(MMX): added paddb and pslld instructions.

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morkt 2015-11-07 00:14:03 +04:00
parent 99ae2f3e4e
commit 682be864fa
1 changed files with 17 additions and 0 deletions
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17
ArcFormats/ArcCommon.cs
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@ -408,6 +408,16 @@ namespace GameRes.Formats
public static class MMX 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) public static ulong PAddW (ulong x, ulong y)
{ {
ulong mask = 0xffff; ulong mask = 0xffff;
@ -428,6 +438,13 @@ namespace GameRes.Formats
mask <<= 32; mask <<= 32;
return r | ((x & mask) + (y & mask)) & mask; 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 public static class Dump