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addcx

This commit is contained in:
Ben Vanik 2013-10-19 19:03:30 -07:00
parent fc1be2bfd8
commit 4a72010e5f
1 changed files with 26 additions and 2 deletions
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28
src/xenia/cpu/x64/x64_emit_alu.cc
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@ -51,8 +51,32 @@ XEEMITTER(addx, 0x7C000214, XO )(X64Emitter& e, X86Compiler& c, InstrDat
}
XEEMITTER(addcx, 0x7C000014, XO )(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
// RD <- (RA) + (RB)
// CA <- carry bit
GpVar v(c.newGpVar());
c.mov(v, e.gpr_value(i.XO.RA));
c.add(v, e.gpr_value(i.XO.RB));
GpVar cc(c.newGpVar());
c.setc(cc.r8());
if (i.XO.OE) {
// With XER update.
XEASSERTALWAYS();
//e.update_xer_with_overflow(EFLAGS OF?);
}
e.update_gpr_value(i.XO.RT, v);
e.update_xer_with_carry(cc);
if (i.XO.Rc) {
// With cr0 update.
e.update_cr_with_cond(0, v);
}
e.clear_constant_gpr_value(i.XO.RT);
return 0;
}
XEEMITTER(addex, 0x7C000114, XO )(X64Emitter& e, X86Compiler& c, InstrData& i) {