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Jit x86: Implement vhdp

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This commit is contained in:
Henrik Rydgard
2013-07-28 16:22:40 +02:00
parent 580ce69897
commit daaed2183f
1 changed files with 48 additions and 5 deletions
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53
Core/MIPS/x86/CompVFPU.cpp
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@@ -439,8 +439,55 @@ void Jit::Comp_VDot(u32 op) {
ADDSS(tempxreg, R(XMM1));
}
if (!fpr.V(dregs[0]).IsSimpleReg(tempxreg))
if (!fpr.V(dregs[0]).IsSimpleReg(tempxreg)) {
fpr.MapRegsV(dregs, V_Single, MAP_NOINIT);
MOVSS(fpr.V(dregs[0]), tempxreg);
}
ApplyPrefixD(dregs, V_Single);
fpr.ReleaseSpillLocks();
}
void Jit::Comp_VHdp(u32 op) {
CONDITIONAL_DISABLE;
if (js.HasUnknownPrefix())
DISABLE;
VectorSize sz = GetVecSize(op);
int n = GetNumVectorElements(sz);
// TODO: Force read one of them into regs? probably not.
u8 sregs[4], tregs[4], dregs[1];
GetVectorRegsPrefixS(sregs, sz, _VS);
GetVectorRegsPrefixT(tregs, sz, _VT);
GetVectorRegsPrefixD(dregs, V_Single, _VD);
X64Reg tempxreg = XMM0;
if (IsOverlapSafe(dregs[0], 0, n, sregs, n, tregs))
{
fpr.MapRegsV(dregs, V_Single, MAP_NOINIT);
tempxreg = fpr.VX(dregs[0]);
}
// Need to start with +0.0f so it doesn't result in -0.0f.
MOVSS(tempxreg, fpr.V(sregs[0]));
MULSS(tempxreg, fpr.V(tregs[0]));
for (int i = 1; i < n; i++)
{
// sum += (i == n-1) ? t[i] : s[i]*t[i];
if (i == n - 1) {
ADDSS(tempxreg, fpr.V(tregs[i]));
} else {
MOVSS(XMM1, fpr.V(sregs[i]));
MULSS(XMM1, fpr.V(tregs[i]));
ADDSS(tempxreg, R(XMM1));
}
}
if (!fpr.V(dregs[0]).IsSimpleReg(tempxreg)) {
fpr.MapRegsV(dregs, V_Single, MAP_NOINIT);
MOVSS(fpr.V(dregs[0]), tempxreg);
}
@@ -1122,10 +1169,6 @@ void Jit::Comp_Vtfm(u32 op) {
}
void Jit::Comp_VHdp(u32 op) {
DISABLE;
}
void Jit::Comp_VCrs(u32 op) {
DISABLE;
}