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Fixing stdux/stdx o_o

This commit is contained in:
Ben Vanik 2013-10-19 20:57:19 -07:00
parent 62b792c903
commit 5b91ba89e9
2 changed files with 28 additions and 24 deletions
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18
src/xenia/cpu/ppc/disasm_memory.cc
View File

@ -91,7 +91,11 @@ XEDISASMR(ldux, 0x7C00006A, X )(InstrData& i, InstrDisasm& d) {
XEDISASMR(ldx, 0x7C00002A, X )(InstrData& i, InstrDisasm& d) {
d.Init("ldx", "Load Doubleword Indexed", 0);
d.AddRegOperand(InstrRegister::kGPR, i.X.RT, InstrRegister::kWrite);
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kRead);
if (i.X.RA) {
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kRead);
} else {
d.AddUImmOperand(0, 1);
}
d.AddRegOperand(InstrRegister::kGPR, i.X.RB, InstrRegister::kRead);
return d.Finish();
}
@ -308,11 +312,7 @@ XEDISASMR(stdu, 0xF8000001, DS )(InstrData& i, InstrDisasm& d) {
XEDISASMR(stdux, 0x7C00016A, X )(InstrData& i, InstrDisasm& d) {
d.Init("stdux", "Store Doubleword with Update Indexed", 0);
d.AddRegOperand(InstrRegister::kGPR, i.X.RT, InstrRegister::kRead);
if (i.DS.RA) {
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kRead);
} else {
d.AddUImmOperand(0, 1);
}
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kReadWrite);
d.AddRegOperand(InstrRegister::kGPR, i.X.RB, InstrRegister::kRead);
return d.Finish();
}
@ -320,7 +320,11 @@ XEDISASMR(stdux, 0x7C00016A, X )(InstrData& i, InstrDisasm& d) {
XEDISASMR(stdx, 0x7C00012A, X )(InstrData& i, InstrDisasm& d) {
d.Init("stdx", "Store Doubleword Indexed", 0);
d.AddRegOperand(InstrRegister::kGPR, i.X.RT, InstrRegister::kRead);
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kReadWrite);
if (i.X.RA) {
d.AddRegOperand(InstrRegister::kGPR, i.X.RA, InstrRegister::kRead);
} else {
d.AddUImmOperand(0, 1);
}
d.AddRegOperand(InstrRegister::kGPR, i.X.RB, InstrRegister::kRead);
return d.Finish();
}

34
src/xenia/cpu/x64/x64_emit_memory.cc
View File

@ -690,6 +690,23 @@ XEEMITTER(stdu, 0xF8000001, DS )(X64Emitter& e, X86Compiler& c, InstrDat
}
XEEMITTER(stdux, 0x7C00016A, X )(X64Emitter& e, X86Compiler& c, InstrData& i) {
// EA <- (RA) + (RB)
// MEM(EA, 8) <- (RS)
// RA <- EA
GpVar ea(c.newGpVar());
c.mov(ea, e.gpr_value(i.X.RA));
c.add(ea, e.gpr_value(i.X.RB));
GpVar v = e.gpr_value(i.X.RT);
e.WriteMemory(i.address, ea, 8, v);
e.update_gpr_value(i.X.RA, ea);
e.clear_constant_gpr_value(i.X.RA);
return 0;
}
XEEMITTER(stdx, 0x7C00012A, X)(X64Emitter& e, X86Compiler& c, InstrData& i) {
// if RA = 0 then
// b <- 0
// else
@ -708,23 +725,6 @@ XEEMITTER(stdux, 0x7C00016A, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 0;
}
XEEMITTER(stdx, 0x7C00012A, X )(X64Emitter& e, X86Compiler& c, InstrData& i) {
// EA <- (RA) + (RB)
// MEM(EA, 8) <- (RS)
// RA <- EA
GpVar ea(c.newGpVar());
c.mov(ea, e.gpr_value(i.X.RA));
c.add(ea, e.gpr_value(i.X.RB));
GpVar v = e.gpr_value(i.X.RT);
e.WriteMemory(i.address, ea, 8, v);
e.update_gpr_value(i.X.RA, ea);
e.clear_constant_gpr_value(i.X.RA);
return 0;
}
XEEMITTER(sth, 0xB0000000, D )(X64Emitter& e, X86Compiler& c, InstrData& i) {
// if RA = 0 then
// b <- 0