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gsdx: Add runion_ordered to GSVector 

Allows to save a few instructions cycles when xy and zw are already
sorted (min and max rectangle coords).
This commit is contained in:
Jonathan Li 2016-01-14 23:20:48 +00:00
parent 2fc3ef8124
commit 14dffa762b
1 changed files with 14 additions and 9 deletions
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23
plugins/GSdx/GSVector.h
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@ -239,15 +239,7 @@ public:
if(i == 0xffff)
{
#if _M_SSE >= 0x401
return min_i32(a).upl64(max_i32(a).srl<8>());
#else
return GSVector4i(min(x, a.x), min(y, a.y), max(z, a.z), max(w, a.w));
#endif
return runion_ordered(a);
}
if((i & 0x00ff) == 0x00ff)
@ -263,6 +255,19 @@ public:
return GSVector4i::zero();
}
__forceinline GSVector4i runion_ordered(const GSVector4i& a) const
{
#if _M_SSE >= 0x401
return min_i32(a).upl64(max_i32(a).srl<8>());
#else
return GSVector4i(min(x, a.x), min(y, a.y), max(z, a.z), max(w, a.w));
#endif
}
__forceinline GSVector4i rintersect(const GSVector4i& a) const
{
return sat_i32(a);