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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_set_predicate.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_set_predicate.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_set_predicate.cpp new file mode 100644 index 000000000..5f93a1513 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_set_predicate.cpp @@ -0,0 +1,60 @@ +// 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 { +namespace { +void FSETP(TranslatorVisitor& v, u64 insn, const IR::F32& src_b) { + union { + u64 insn; + BitField<0, 3, IR::Pred> dest_pred_b; + BitField<3, 3, IR::Pred> dest_pred_a; + BitField<6, 1, u64> negate_b; + BitField<7, 1, u64> abs_a; + BitField<8, 8, IR::Reg> src_a_reg; + BitField<39, 3, IR::Pred> bop_pred; + BitField<42, 1, u64> neg_bop_pred; + BitField<43, 1, u64> negate_a; + BitField<44, 1, u64> abs_b; + BitField<45, 2, BooleanOp> bop; + BitField<47, 1, u64> ftz; + BitField<48, 4, FPCompareOp> compare_op; + } const fsetp{insn}; + + const IR::F32 op_a{v.ir.FPAbsNeg(v.F(fsetp.src_a_reg), fsetp.abs_a != 0, fsetp.negate_a != 0)}; + const IR::F32 op_b = v.ir.FPAbsNeg(src_b, fsetp.abs_b != 0, fsetp.negate_b != 0); + const IR::FpControl control{ + .no_contraction = false, + .rounding = IR::FpRounding::DontCare, + .fmz_mode = (fsetp.ftz != 0 ? IR::FmzMode::FTZ : IR::FmzMode::None), + }; + + const BooleanOp bop{fsetp.bop}; + const FPCompareOp compare_op{fsetp.compare_op}; + const IR::U1 comparison{FloatingPointCompare(v.ir, op_a, op_b, compare_op, control)}; + const IR::U1 bop_pred{v.ir.GetPred(fsetp.bop_pred, fsetp.neg_bop_pred != 0)}; + const IR::U1 result_a{PredicateCombine(v.ir, comparison, bop_pred, bop)}; + const IR::U1 result_b{PredicateCombine(v.ir, v.ir.LogicalNot(comparison), bop_pred, bop)}; + v.ir.SetPred(fsetp.dest_pred_a, result_a); + v.ir.SetPred(fsetp.dest_pred_b, result_b); +} +} // Anonymous namespace + +void TranslatorVisitor::FSETP_reg(u64 insn) { + FSETP(*this, insn, GetFloatReg20(insn)); +} + +void TranslatorVisitor::FSETP_cbuf(u64 insn) { + FSETP(*this, insn, GetFloatCbuf(insn)); +} + +void TranslatorVisitor::FSETP_imm(u64 insn) { + FSETP(*this, insn, GetFloatImm20(insn)); +} + +} // namespace Shader::Maxwell |