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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp new file mode 100644 index 000000000..b02789874 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp @@ -0,0 +1,53 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +void TranslatorVisitor::PSET(u64 insn) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<12, 3, IR::Pred> pred_a; + BitField<15, 1, u64> neg_pred_a; + BitField<24, 2, BooleanOp> bop_1; + BitField<29, 3, IR::Pred> pred_b; + BitField<32, 1, u64> neg_pred_b; + BitField<39, 3, IR::Pred> pred_c; + BitField<42, 1, u64> neg_pred_c; + BitField<44, 1, u64> bf; + BitField<45, 2, BooleanOp> bop_2; + BitField<47, 1, u64> cc; + } const pset{insn}; + + const IR::U1 pred_a{ir.GetPred(pset.pred_a, pset.neg_pred_a != 0)}; + const IR::U1 pred_b{ir.GetPred(pset.pred_b, pset.neg_pred_b != 0)}; + const IR::U1 pred_c{ir.GetPred(pset.pred_c, pset.neg_pred_c != 0)}; + + const IR::U1 res_1{PredicateCombine(ir, pred_a, pred_b, pset.bop_1)}; + const IR::U1 res_2{PredicateCombine(ir, res_1, pred_c, pset.bop_2)}; + + const IR::U32 true_result{pset.bf != 0 ? ir.Imm32(0x3f800000) : ir.Imm32(-1)}; + const IR::U32 zero{ir.Imm32(0)}; + + const IR::U32 result{ir.Select(res_2, true_result, zero)}; + + X(pset.dest_reg, result); + if (pset.cc != 0) { + const IR::U1 is_zero{ir.IEqual(result, zero)}; + SetZFlag(is_zero); + if (pset.bf != 0) { + ResetSFlag(); + } else { + SetSFlag(ir.LogicalNot(is_zero)); + } + ResetOFlag(); + ResetCFlag(); + } +} + +} // namespace Shader::Maxwell |