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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/integer_set_predicate.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_set_predicate.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_set_predicate.cpp new file mode 100644 index 000000000..bee10e5b9 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_set_predicate.cpp @@ -0,0 +1,58 @@ +// 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 { +IR::U1 IsetpCompare(IR::IREmitter& ir, const IR::U32& operand_1, const IR::U32& operand_2, + CompareOp compare_op, bool is_signed, bool x) { + return x ? ExtendedIntegerCompare(ir, operand_1, operand_2, compare_op, is_signed) + : IntegerCompare(ir, operand_1, operand_2, compare_op, is_signed); +} + +void ISETP(TranslatorVisitor& v, u64 insn, const IR::U32& op_b) { + union { + u64 raw; + BitField<0, 3, IR::Pred> dest_pred_b; + BitField<3, 3, IR::Pred> dest_pred_a; + BitField<8, 8, IR::Reg> src_reg_a; + BitField<39, 3, IR::Pred> bop_pred; + BitField<42, 1, u64> neg_bop_pred; + BitField<43, 1, u64> x; + BitField<45, 2, BooleanOp> bop; + BitField<48, 1, u64> is_signed; + BitField<49, 3, CompareOp> compare_op; + } const isetp{insn}; + + const bool is_signed{isetp.is_signed != 0}; + const bool x{isetp.x != 0}; + const BooleanOp bop{isetp.bop}; + const CompareOp compare_op{isetp.compare_op}; + const IR::U32 op_a{v.X(isetp.src_reg_a)}; + const IR::U1 comparison{IsetpCompare(v.ir, op_a, op_b, compare_op, is_signed, x)}; + const IR::U1 bop_pred{v.ir.GetPred(isetp.bop_pred, isetp.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(isetp.dest_pred_a, result_a); + v.ir.SetPred(isetp.dest_pred_b, result_b); +} +} // Anonymous namespace + +void TranslatorVisitor::ISETP_reg(u64 insn) { + ISETP(*this, insn, GetReg20(insn)); +} + +void TranslatorVisitor::ISETP_cbuf(u64 insn) { + ISETP(*this, insn, GetCbuf(insn)); +} + +void TranslatorVisitor::ISETP_imm(u64 insn) { + ISETP(*this, insn, GetImm20(insn)); +} + +} // namespace Shader::Maxwell |