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[PPC] Implement `vaddcuw` 

I don't know of any title that utilizes this instruction, but I went
ahead and implemented it for completeness.

Verified the implementation with `instr__gen_vaddcuw` from #1348. Can be
grabbed with:
```
git checkout origin/gen_tests -- src\xenia\cpu\ppc\testing\*vaddcuw.s
```
This commit is contained in:
Wunkolo 2023-02-05 17:00:43 -08:00 committed by Rick Gibbed
parent ed64e3072b
commit 93b77fb775
1 changed files with 7 additions and 2 deletions
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9
src/xenia/cpu/ppc/ppc_emit_altivec.cc
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@ -358,8 +358,13 @@ int InstrEmit_mtvscr(PPCHIRBuilder& f, const InstrData& i) {
}
int InstrEmit_vaddcuw(PPCHIRBuilder& f, const InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
Value* sum = f.VectorAdd(f.LoadVR(i.VX.VA), f.LoadVR(i.VX.VB), INT32_TYPE,
ARITHMETIC_UNSIGNED);
Value* overflow = f.VectorCompareUGT(f.LoadVR(i.VX.VA), sum, INT32_TYPE);
Value* carry =
f.VectorShr(overflow, f.LoadConstantVec128(vec128i(31)), INT32_TYPE);
f.StoreVR(i.VX.VD, carry);
return 0;
}
int InstrEmit_vaddfp_(PPCHIRBuilder& f, uint32_t vd, uint32_t va, uint32_t vb) {