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Optimizing the mr case.

This commit is contained in:
Ben Vanik 2013-05-24 17:59:01 -07:00
parent 748bfe509f
commit 7e3268621d
1 changed files with 6 additions and 2 deletions
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8
src/xenia/cpu/x64/x64_emit_alu.cc
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@ -742,8 +742,12 @@ XEEMITTER(orx, 0x7C000378, X )(X64Emitter& e, X86Compiler& c, InstrDat
// RA <- (RS) | (RB) // RA <- (RS) | (RB)
GpVar v(c.newGpVar()); GpVar v(c.newGpVar());
c.mov(v, e.gpr_value(i.X.RT)); if (i.X.RT == i.X.RB) {
c.or_(v, e.gpr_value(i.X.RB)); c.mov(v, e.gpr_value(i.X.RT));
} else {
c.mov(v, e.gpr_value(i.X.RT));
c.or_(v, e.gpr_value(i.X.RB));
}
e.update_gpr_value(i.X.RA, v); e.update_gpr_value(i.X.RA, v);
if (i.X.Rc) { if (i.X.Rc) {