The-Homebrew-Cloud/dolphin
2
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-01-10 08:09:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

Jit_Paired: ps_sum

Browse Source
This commit is contained in:
MerryMage 2018-10-15 21:02:08 +01:00
parent be8fec6244
commit 1550729688
1 changed files with 17 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
Source/Core/Core/PowerPC/Jit64/Jit_Paired.cpp
View File

@ -38,43 +38,46 @@ void Jit64::ps_sum(UGeckoInstruction inst)
int a = inst.FA;
int b = inst.FB;
int c = inst.FC;
fpr.Lock(a, b, c, d);
OpArg op_a = fpr.R(a);
fpr.BindToRegister(d, d == b || d == c);
RCOpArg Ra = fpr.Use(a, RCMode::Read);
RCOpArg Rb = fpr.Use(b, RCMode::Read);
RCOpArg Rc = fpr.Use(c, RCMode::Read);
RCX64Reg Rd = fpr.Bind(d, RCMode::Write);
RegCache::Realize(Ra, Rb, Rc, Rd);
X64Reg tmp = XMM1;
MOVDDUP(tmp, op_a); // {a.ps0, a.ps0}
ADDPD(tmp, fpr.R(b)); // {a.ps0 + b.ps0, a.ps0 + b.ps1}
MOVDDUP(tmp, Ra); // {a.ps0, a.ps0}
ADDPD(tmp, Rb); // {a.ps0 + b.ps0, a.ps0 + b.ps1}
switch (inst.SUBOP5)
{
case 10: // ps_sum0: {a.ps0 + b.ps1, c.ps1}
UNPCKHPD(tmp, fpr.R(c));
UNPCKHPD(tmp, Rc);
break;
case 11: // ps_sum1: {c.ps0, a.ps0 + b.ps1}
if (fpr.R(c).IsSimpleReg())
if (Rc.IsSimpleReg())
{
if (cpu_info.bSSE4_1)
{
BLENDPD(tmp, fpr.R(c), 1);
BLENDPD(tmp, Rc, 1);
}
else
{
MOVAPD(XMM0, fpr.R(c));
MOVAPD(XMM0, Rc);
SHUFPD(XMM0, R(tmp), 2);
tmp = XMM0;
}
}
else
{
MOVLPD(tmp, fpr.R(c));
MOVLPD(tmp, Rc);
}
break;
default:
PanicAlert("ps_sum WTF!!!");
}
HandleNaNs(inst, fpr.RX(d), tmp, tmp == XMM1 ? XMM0 : XMM1);
ForceSinglePrecision(fpr.RX(d), fpr.R(d));
SetFPRFIfNeeded(fpr.RX(d));
fpr.UnlockAll();
HandleNaNs(inst, Rd, tmp, tmp == XMM1 ? XMM0 : XMM1);
ForceSinglePrecision(Rd, Rd);
SetFPRFIfNeeded(Rd);
}
void Jit64::ps_muls(UGeckoInstruction inst)