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Jit64: some cache flush changes 

- dynamically allocate third scratch register instead of forcing ECX
- use LEA as 3 operand add if possible
- use BT,JC instead of SHR,TEST,JNZ
- merge MOV,TEST
- use appropriate ABI function (no asm change)
This commit is contained in:
Tillmann Karras 2015-08-06 22:45:38 +02:00 committed by degasus
parent 6f34b27323
commit ac84d6d0fa
1 changed files with 15 additions and 14 deletions
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25
Source/Core/Core/PowerPC/Jit64/Jit_LoadStore.cpp
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@ -299,13 +299,17 @@ void Jit64::dcbx(UGeckoInstruction inst)
X64Reg addr = RSCRATCH; X64Reg addr = RSCRATCH;
X64Reg value = RSCRATCH2; X64Reg value = RSCRATCH2;
X64Reg tmp = ECX; X64Reg tmp = gpr.GetFreeXReg();
gpr.FlushLockX(tmp);
PUSH(tmp);
if (inst.RA && gpr.R(inst.RA).IsSimpleReg() && gpr.R(inst.RB).IsSimpleReg())
{
LEA(32, addr, MRegSum(gpr.RX(inst.RA), gpr.RX(inst.RB)));
}
else
{
MOV(32, R(addr), gpr.R(inst.RB)); MOV(32, R(addr), gpr.R(inst.RB));
if (inst.RA) if (inst.RA)
{
ADD(32, R(addr), gpr.R(inst.RA)); ADD(32, R(addr), gpr.R(inst.RA));
} }
@ -317,10 +321,9 @@ void Jit64::dcbx(UGeckoInstruction inst)
MOV(32, R(tmp), R(addr)); MOV(32, R(tmp), R(addr));
SHR(32, R(tmp), Imm8(5)); SHR(32, R(tmp), Imm8(5));
SHR(32, R(value), R(tmp)); BT(32, R(value), R(tmp));
TEST(32, R(value), Imm32(1));
FixupBranch c = J_CC(CC_NZ, true); FixupBranch c = J_CC(CC_C, true);
SwitchToFarCode(); SwitchToFarCode();
SetJumpTarget(c); SetJumpTarget(c);
BitSet32 registersInUse = CallerSavedRegistersInUse(); BitSet32 registersInUse = CallerSavedRegistersInUse();
@ -337,21 +340,19 @@ void Jit64::dcbx(UGeckoInstruction inst)
// dcbi // dcbi
if (inst.SUBOP10 == 470) if (inst.SUBOP10 == 470)
{ {
MOV(16, R(tmp), M(&DSP::g_dspState)); TEST(16, M(&DSP::g_dspState), Imm16(1 << 9));
TEST(16, R(tmp), Imm16(1 << 9));
c = J_CC(CC_NZ, true); c = J_CC(CC_NZ, true);
SwitchToFarCode(); SwitchToFarCode();
SetJumpTarget(c); SetJumpTarget(c);
ABI_PushRegistersAndAdjustStack(registersInUse, 0); ABI_PushRegistersAndAdjustStack(registersInUse, 0);
MOV(32, R(ABI_PARAM1), R(addr)); ABI_CallFunctionR((void*)DSP::FlushInstantDMA, addr);
ABI_CallFunction((void*)DSP::FlushInstantDMA);
ABI_PopRegistersAndAdjustStack(registersInUse, 0); ABI_PopRegistersAndAdjustStack(registersInUse, 0);
c = J(true); c = J(true);
SwitchToNearCode(); SwitchToNearCode();
SetJumpTarget(c); SetJumpTarget(c);
} }
POP(tmp); gpr.UnlockAllX();
} }
void Jit64::dcbt(UGeckoInstruction inst) void Jit64::dcbt(UGeckoInstruction inst)