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fnmadd(s)x

This commit is contained in:
Ben Vanik 2015-01-05 22:11:02 -08:00
parent a82629efd5
commit 4aa98ae1e9
1 changed files with 23 additions and 4 deletions
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27
src/alloy/frontend/ppc/ppc_emit_fpu.cc
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@ -255,13 +255,32 @@ XEEMITTER(fmsubsx, 0xEC000038, A)(PPCHIRBuilder& f, InstrData& i) {
}
XEEMITTER(fnmaddx, 0xFC00003E, A)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
// frD <- -([frA x frC] + frB)
Value* v = f.Neg(
f.MulAdd(f.LoadFPR(i.A.FRA), f.LoadFPR(i.A.FRC), f.LoadFPR(i.A.FRB)));
f.StoreFPR(i.A.FRT, v);
// f.UpdateFPRF(v);
if (i.A.Rc) {
// e.update_cr_with_cond(1, v);
XEINSTRNOTIMPLEMENTED();
return 1;
}
return 0;
}
XEEMITTER(fnmaddsx, 0xEC00003E, A)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
// frD <- -([frA x frC] + frB)
Value* v = f.Neg(
f.MulAdd(f.LoadFPR(i.A.FRA), f.LoadFPR(i.A.FRC), f.LoadFPR(i.A.FRB)));
v = f.Convert(f.Convert(v, FLOAT32_TYPE), FLOAT64_TYPE);
f.StoreFPR(i.A.FRT, v);
// f.UpdateFPRF(v);
if (i.A.Rc) {
// e.update_cr_with_cond(1, v);
XEINSTRNOTIMPLEMENTED();
return 1;
}
return 0;
}
XEEMITTER(fnmsubx, 0xFC00003C, A)(PPCHIRBuilder& f, InstrData& i) {