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shader: Implement BFE and BFI CC

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Fix two bugs in BFI.
This commit is contained in:
ameerj 2021-04-17 00:48:35 -04:00
parent 80940b1706
commit be431f5ed0
3 changed files with 17 additions and 14 deletions
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11
src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp
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@ -18,10 +18,6 @@ void BFE(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
BitField<48, 1, u64> is_signed;
} const bfe{insn};
if (bfe.cc != 0) {
throw NotImplementedException("BFE CC");
}
const IR::U32 offset{v.ir.BitFieldExtract(src, v.ir.Imm32(0), v.ir.Imm32(8), false)};
const IR::U32 count{v.ir.BitFieldExtract(src, v.ir.Imm32(8), v.ir.Imm32(8), false)};
@ -53,6 +49,13 @@ void BFE(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
result = IR::U32{v.ir.Select(zero_count, zero, result)};
v.X(bfe.dest_reg, result);
if (bfe.cc != 0) {
v.SetZFlag(v.ir.IEqual(result, zero));
v.SetSFlag(v.ir.ILessThan(result, zero, true));
v.ResetCFlag();
v.ResetOFlag();
}
}
} // Anonymous namespace