fabi/Xenia-Canary
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Disable most XOP code by default, the manual must be wrong for the shifts or we must be assembling them incorrectly, will return to it later and fix

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comparisons and select done by xop are fine though
This commit is contained in:
chss95cs@gmail.com
2022-08-21 12:32:33 -07:00
parent b26c6ee1b8
commit b5ef3453c7
5 changed files with 255 additions and 103 deletions
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12
src/xenia/cpu/ppc/ppc_emit_fpu.cc
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@@ -452,7 +452,7 @@ Affected: FX, FEX, VX, OX (if Rc = 1)
*/
// f.UpdateFPSCR(v, i.X.Rc);
if (i.X.Rc) {
// todo
}
return 0;
}
@@ -469,7 +469,10 @@ int InstrEmit_fnabsx(PPCHIRBuilder& f, const InstrData& i) {
// frD <- !abs(frB)
Value* v = f.Neg(f.Abs(f.LoadFPR(i.X.RB)));
f.StoreFPR(i.X.RT, v);
f.UpdateFPSCR(v, i.X.Rc);
//f.UpdateFPSCR(v, i.X.Rc);
if (i.X.Rc) {
//todo
}
return 0;
}
@@ -477,7 +480,10 @@ int InstrEmit_fnegx(PPCHIRBuilder& f, const InstrData& i) {
// frD <- ¬ frB[0] || frB[1-63]
Value* v = f.Neg(f.LoadFPR(i.X.RB));
f.StoreFPR(i.X.RT, v);
f.UpdateFPSCR(v, i.X.Rc);
//f.UpdateFPSCR(v, i.X.Rc);
if (i.X.Rc) {
//todo
}
return 0;
}