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Fixing comparison between two gpvars.

This commit is contained in:
Ben Vanik 2013-05-24 20:09:11 -07:00
parent 5e66f7b04b
commit 97b0e2aa3d
1 changed files with 11 additions and 4 deletions
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15
src/xenia/cpu/x64/x64_emitter.cc
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@ -1394,12 +1394,19 @@ void X64Emitter::update_cr_with_cond(uint32_t n, GpVar& lhs, GpVar& rhs) {
// bit3 = XER[SO]
// Compare and set bits.
GpVar v_l(c.newGpVar());
GpVar v_g(c.newGpVar());
GpVar v_e(c.newGpVar());
c.cmp(lhs, rhs);
GpVar v_l(c.newGpVar()); c.setl(v_l);
GpVar v_g(c.newGpVar()); c.setg(v_g); c.shl(v_g, imm(1));
GpVar v_e(c.newGpVar()); c.sete(v_e); c.shl(v_e, imm(2));
c.setl(v_l);
c.setg(v_g);
c.sete(v_e);
GpVar v(c.newGpVar());
c.or_(v, v_l); c.or_(v, v_g); c.or_(v, v_e);
c.shl(v_g, imm(1));
c.shl(v_e, imm(2));
c.or_(v, v_l);
c.or_(v, v_g);
c.or_(v, v_e);
// TODO(benvanik): set bit 4 to XER[SO]
// c.seto?