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Some FPU optimization

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This commit is contained in:
Henrik Rydgard 2013-02-12 00:58:31 +01:00
parent 69da33bd29
commit 2c01b36585
1 changed files with 13 additions and 10 deletions
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23
Core/MIPS/x86/CompFPU.cpp
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@ -46,24 +46,27 @@ void Jit::CompFPTriArith(u32 op, void (XEmitter::*arith)(X64Reg reg, OpArg), boo
int ft = _FT;
int fs = _FS;
int fd = _FD;
fpr.SpillLock(ft, fs, fd);
fpr.SpillLock(fd, fs, ft);
if (false && fs == fd)
if (fs == fd)
{
fpr.BindToRegister(fd, true, true);
(this->*arith)(fpr.RX(fd), fpr.R(ft));
}
else
else if (ft == fd && !orderMatters)
{
/*
fpr.BindToRegister(fd, true, true);
if (fd != fs)
MOVSS(fpr.RX(fd), fpr.R(fs));
(this->*arith)(fpr.RX(fd), fpr.R(ft));*/
(this->*arith)(fpr.RX(fd), fpr.R(fs));
}
else if (ft != fd && fs != fd && ft != fs) {
fpr.BindToRegister(fd, false, true);
MOVSS(fpr.RX(fd), fpr.R(fs));
(this->*arith)(fpr.RX(fd), fpr.R(ft));
}
else {
fpr.BindToRegister(fd, true, true);
MOVSS(XMM0, fpr.R(fs));
MOVSS(XMM1, fpr.R(ft));
fpr.BindToRegister(fd, true, true);
(this->*arith)(XMM0, R(XMM1));
(this->*arith)(XMM0, fpr.R(ft));
MOVSS(fpr.RX(fd), R(XMM0));
}
fpr.ReleaseSpillLocks();