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-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_set_predicate.cpp60
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