1 files changed, 0 insertions, 156 deletions

diff --git a/src/video_core/shader/decode/xmad.cpp b/src/video_core/shader/decode/xmad.cpp
deleted file mode 100644
index 233b8fa42..000000000
--- a/src/video_core/shader/decode/xmad.cpp
+++ /dev/null
@@ -1,156 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "video_core/engines/shader_bytecode.h"
-#include "video_core/shader/node_helper.h"
-#include "video_core/shader/shader_ir.h"
-
-namespace VideoCommon::Shader {
-
-using Tegra::Shader::Instruction;
-using Tegra::Shader::OpCode;
-using Tegra::Shader::PredCondition;
-
-u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) {
-    const Instruction instr = {program_code[pc]};
-    const auto opcode = OpCode::Decode(instr);
-
-    UNIMPLEMENTED_IF(instr.xmad.sign_a);
-    UNIMPLEMENTED_IF(instr.xmad.sign_b);
-    UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                         "Condition codes generation in XMAD is not implemented");
-
-    Node op_a = GetRegister(instr.gpr8);
-
-    // TODO(bunnei): Needs to be fixed once op_a or op_b is signed
-    UNIMPLEMENTED_IF(instr.xmad.sign_a != instr.xmad.sign_b);
-    const bool is_signed_a = instr.xmad.sign_a == 1;
-    const bool is_signed_b = instr.xmad.sign_b == 1;
-    const bool is_signed_c = is_signed_a;
-
-    auto [is_merge, is_psl, is_high_b, mode, op_b_binding,
-          op_c] = [&]() -> std::tuple<bool, bool, bool, Tegra::Shader::XmadMode, Node, Node> {
-        switch (opcode->get().GetId()) {
-        case OpCode::Id::XMAD_CR:
-            return {instr.xmad.merge_56,
-                    instr.xmad.product_shift_left_second,
-                    instr.xmad.high_b,
-                    instr.xmad.mode_cbf,
-                    GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()),
-                    GetRegister(instr.gpr39)};
-        case OpCode::Id::XMAD_RR:
-            return {instr.xmad.merge_37, instr.xmad.product_shift_left, instr.xmad.high_b_rr,
-                    instr.xmad.mode,     GetRegister(instr.gpr20),      GetRegister(instr.gpr39)};
-        case OpCode::Id::XMAD_RC:
-            return {false,
-                    false,
-                    instr.xmad.high_b,
-                    instr.xmad.mode_cbf,
-                    GetRegister(instr.gpr39),
-                    GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())};
-        case OpCode::Id::XMAD_IMM:
-            return {instr.xmad.merge_37,
-                    instr.xmad.product_shift_left,
-                    false,
-                    instr.xmad.mode,
-                    Immediate(static_cast<u32>(instr.xmad.imm20_16)),
-                    GetRegister(instr.gpr39)};
-        default:
-            UNIMPLEMENTED_MSG("Unhandled XMAD instruction: {}", opcode->get().GetName());
-            return {false, false, false, Tegra::Shader::XmadMode::None, Immediate(0), Immediate(0)};
-        }
-    }();
-
-    op_a = SignedOperation(OperationCode::IBitfieldExtract, is_signed_a, std::move(op_a),
-                           instr.xmad.high_a ? Immediate(16) : Immediate(0), Immediate(16));
-
-    const Node original_b = op_b_binding;
-    const Node op_b =
-        SignedOperation(OperationCode::IBitfieldExtract, is_signed_b, std::move(op_b_binding),
-                        is_high_b ? Immediate(16) : Immediate(0), Immediate(16));
-
-    // we already check sign_a and sign_b is difference or not before so just use one in here.
-    Node product = SignedOperation(OperationCode::IMul, is_signed_a, op_a, op_b);
-    if (is_psl) {
-        product =
-            SignedOperation(OperationCode::ILogicalShiftLeft, is_signed_a, product, Immediate(16));
-    }
-    SetTemporary(bb, 0, product);
-    product = GetTemporary(0);
-
-    Node original_c = op_c;
-    const Tegra::Shader::XmadMode set_mode = mode; // Workaround to clang compile error
-    op_c = [&] {
-        switch (set_mode) {
-        case Tegra::Shader::XmadMode::None:
-            return original_c;
-        case Tegra::Shader::XmadMode::CLo:
-            return BitfieldExtract(std::move(original_c), 0, 16);
-        case Tegra::Shader::XmadMode::CHi:
-            return BitfieldExtract(std::move(original_c), 16, 16);
-        case Tegra::Shader::XmadMode::CBcc: {
-            Node shifted_b = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed_b,
-                                             original_b, Immediate(16));
-            return SignedOperation(OperationCode::IAdd, is_signed_c, std::move(original_c),
-                                   std::move(shifted_b));
-        }
-        case Tegra::Shader::XmadMode::CSfu: {
-            const Node comp_a =
-                GetPredicateComparisonInteger(PredCondition::EQ, is_signed_a, op_a, Immediate(0));
-            const Node comp_b =
-                GetPredicateComparisonInteger(PredCondition::EQ, is_signed_b, op_b, Immediate(0));
-            const Node comp = Operation(OperationCode::LogicalOr, comp_a, comp_b);
-
-            const Node comp_minus_a = GetPredicateComparisonInteger(
-                PredCondition::NE, is_signed_a,
-                SignedOperation(OperationCode::IBitwiseAnd, is_signed_a, op_a,
-                                Immediate(0x80000000)),
-                Immediate(0));
-            const Node comp_minus_b = GetPredicateComparisonInteger(
-                PredCondition::NE, is_signed_b,
-                SignedOperation(OperationCode::IBitwiseAnd, is_signed_b, op_b,
-                                Immediate(0x80000000)),
-                Immediate(0));
-
-            Node new_c = Operation(
-                OperationCode::Select, comp_minus_a,
-                SignedOperation(OperationCode::IAdd, is_signed_c, original_c, Immediate(-65536)),
-                original_c);
-            new_c = Operation(
-                OperationCode::Select, comp_minus_b,
-                SignedOperation(OperationCode::IAdd, is_signed_c, new_c, Immediate(-65536)),
-                std::move(new_c));
-
-            return Operation(OperationCode::Select, comp, original_c, std::move(new_c));
-        }
-        default:
-            UNREACHABLE();
-            return Immediate(0);
-        }
-    }();
-
-    SetTemporary(bb, 1, op_c);
-    op_c = GetTemporary(1);
-
-    // TODO(Rodrigo): Use an appropiate sign for this operation
-    Node sum = SignedOperation(OperationCode::IAdd, is_signed_a, product, std::move(op_c));
-    SetTemporary(bb, 2, sum);
-    sum = GetTemporary(2);
-    if (is_merge) {
-        const Node a = SignedOperation(OperationCode::IBitfieldExtract, is_signed_a, std::move(sum),
-                                       Immediate(0), Immediate(16));
-        const Node b = SignedOperation(OperationCode::ILogicalShiftLeft, is_signed_b, original_b,
-                                       Immediate(16));
-        sum = SignedOperation(OperationCode::IBitwiseOr, is_signed_a, a, b);
-    }
-
-    SetInternalFlagsFromInteger(bb, sum, instr.generates_cc);
-    SetRegister(bb, instr.gpr0, std::move(sum));
-
-    return pc;
-}
-
-} // namespace VideoCommon::Shader