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