The-Homebrew-Cloud/dolphin
2
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-02-15 08:49:20 +01:00
Code Issues Packages Projects Releases Wiki Activity

Jit64: fix fmrx regression

Browse Source 
Revision ddaf29e039d1736be1ca48c1c0b6af1c8d4ec47d introduced a register
corruption bug (#6825). Since fmrx/MOVSD only modifies ps0 but we save
both ps0 and ps1 in one xmm register, not loading the previous value
when binding to a x64 register trashed ps1.

But hey, a good opportunity to shave off one more instruction ;)
This commit is contained in:
Tillmann Karras 2013-11-20 21:30:49 +01:00
parent 4f13f6ecaa
commit bcefa880e4
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Source/Core/Core/Src/PowerPC/Jit64/Jit_FloatingPoint.cpp
View File

@ -229,11 +229,12 @@ void Jit64::fmrx(UGeckoInstruction inst)
} }
int d = inst.FD; int d = inst.FD;
int b = inst.FB; int b = inst.FB;
fpr.Lock(b, d); if (d != b) {
fpr.BindToRegister(d, d == b, true); fpr.Lock(b, d);
MOVSD(XMM0, fpr.R(b)); fpr.BindToRegister(d);
MOVSD(fpr.R(d), XMM0); MOVSD(fpr.RX(d), fpr.R(b));
fpr.UnlockAll(); fpr.UnlockAll();
}
} }
void Jit64::fcmpx(UGeckoInstruction inst) void Jit64::fcmpx(UGeckoInstruction inst)