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Added some support for the OE flag. Thanks to j4ck.fr0st for the tip.

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This commit is contained in:
skidau 2012-01-01 16:12:53 +11:00
parent 2ee79e7057
commit 5a914744a2
2 changed files with 88 additions and 6 deletions
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2
Source/Core/Core/Src/PowerPC/Gekko.h
View File

@ -303,6 +303,8 @@ union UFPR
};
#define XER_CA_MASK 0x20000000
#define XER_OV_MASK 0x40000000
#define XER_SO_MASK 0x80000000
// XER
union UReg_XER
{

92
Source/Core/Core/Src/PowerPC/Jit64/Jit_Integer.cpp
View File

@ -703,7 +703,18 @@ void Jit64::subfcx(UGeckoInstruction inst)
MOV(32, gpr.R(d), R(EAX));
gpr.UnlockAll();
if (inst.OE) PanicAlert("OE: subfcx");
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc) {
ComputeRC(R(EAX));
}
@ -743,7 +754,18 @@ void Jit64::subfex(UGeckoInstruction inst)
gpr.UnlockAll();
gpr.UnlockAllX();
if (inst.OE) PanicAlert("OE: subfex");
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc) {
ComputeRC(R(EAX));
}
@ -843,7 +865,18 @@ void Jit64::subfx(UGeckoInstruction inst)
gpr.UnlockAll();
}
if (inst.OE) PanicAlert("OE: subfx");
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc)
{
ComputeRC(gpr.R(d));
@ -895,6 +928,18 @@ void Jit64::mullwx(UGeckoInstruction inst)
gpr.UnlockAll();
}
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc)
{
ComputeRC(gpr.R(d));
@ -965,6 +1010,18 @@ void Jit64::divwux(UGeckoInstruction inst)
gpr.UnlockAllX();
}
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc)
{
ComputeRC(gpr.R(d));
@ -976,8 +1033,6 @@ void Jit64::addx(UGeckoInstruction inst)
INSTRUCTION_START
JITDISABLE(Integer)
int a = inst.RA, b = inst.RB, d = inst.RD;
if (inst.OE)
NOTICE_LOG(DYNA_REC, "Add - OE enabled :(");
if (gpr.R(a).IsImm() && gpr.R(b).IsImm())
{
@ -1007,6 +1062,19 @@ void Jit64::addx(UGeckoInstruction inst)
gpr.UnlockAll();
}
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc)
{
ComputeRC(gpr.R(d));
@ -1053,7 +1121,6 @@ void Jit64::addcx(UGeckoInstruction inst)
INSTRUCTION_START
JITDISABLE(Integer)
int a = inst.RA, b = inst.RB, d = inst.RD;
_assert_msg_(DYNA_REC, !inst.OE, "Add - OE enabled :(");
if ((d == a) || (d == b))
{
@ -1074,6 +1141,19 @@ void Jit64::addcx(UGeckoInstruction inst)
gpr.UnlockAll();
}
if (inst.OE)
{
FixupBranch jno = J_CC(CC_NO);
//XER[OV/SO] = 1
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_SO_MASK));
OR(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(XER_OV_MASK));
FixupBranch exit = J();
SetJumpTarget(jno);
//XER[OV] = 0
AND(32, M(&PowerPC::ppcState.spr[SPR_XER]), Imm32(~XER_OV_MASK));
SetJumpTarget(exit);
}
if (inst.Rc)
{
ComputeRC(gpr.R(d));