1 files changed, 0 insertions, 153 deletions
diff --git a/src/video_core/shader/decode/shift.cpp b/src/video_core/shader/decode/shift.cpp
deleted file mode 100644
index a53819c15..000000000
--- a/src/video_core/shader/decode/shift.cpp
+++ /dev/null
@@ -1,153 +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 std::move;
-using Tegra::Shader::Instruction;
-using Tegra::Shader::OpCode;
-using Tegra::Shader::ShfType;
-using Tegra::Shader::ShfXmode;
-
-namespace {
-
-Node IsFull(Node shift) {
-    return Operation(OperationCode::LogicalIEqual, move(shift), Immediate(32));
-}
-
-Node Shift(OperationCode opcode, Node value, Node shift) {
-    Node shifted = Operation(opcode, move(value), shift);
-    return Operation(OperationCode::Select, IsFull(move(shift)), Immediate(0), move(shifted));
-}
-
-Node ClampShift(Node shift, s32 size = 32) {
-    shift = Operation(OperationCode::IMax, move(shift), Immediate(0));
-    return Operation(OperationCode::IMin, move(shift), Immediate(size));
-}
-
-Node WrapShift(Node shift, s32 size = 32) {
-    return Operation(OperationCode::UBitwiseAnd, move(shift), Immediate(size - 1));
-}
-
-Node ShiftRight(Node low, Node high, Node shift, Node low_shift, ShfType type) {
-    // These values are used when the shift value is less than 32
-    Node less_low = Shift(OperationCode::ILogicalShiftRight, low, shift);
-    Node less_high = Shift(OperationCode::ILogicalShiftLeft, high, low_shift);
-    Node less = Operation(OperationCode::IBitwiseOr, move(less_high), move(less_low));
-
-    if (type == ShfType::Bits32) {
-        // On 32 bit shifts we are either full (shifting 32) or shifting less than 32 bits
-        return Operation(OperationCode::Select, IsFull(move(shift)), move(high), move(less));
-    }
-
-    // And these when it's larger than or 32
-    const bool is_signed = type == ShfType::S64;
-    const auto opcode = SignedToUnsignedCode(OperationCode::IArithmeticShiftRight, is_signed);
-    Node reduced = Operation(OperationCode::IAdd, shift, Immediate(-32));
-    Node greater = Shift(opcode, high, move(reduced));
-
-    Node is_less = Operation(OperationCode::LogicalILessThan, shift, Immediate(32));
-    Node is_zero = Operation(OperationCode::LogicalIEqual, move(shift), Immediate(0));
-
-    Node value = Operation(OperationCode::Select, move(is_less), move(less), move(greater));
-    return Operation(OperationCode::Select, move(is_zero), move(high), move(value));
-}
-
-Node ShiftLeft(Node low, Node high, Node shift, Node low_shift, ShfType type) {
-    // These values are used when the shift value is less than 32
-    Node less_low = Operation(OperationCode::ILogicalShiftRight, low, low_shift);
-    Node less_high = Operation(OperationCode::ILogicalShiftLeft, high, shift);
-    Node less = Operation(OperationCode::IBitwiseOr, move(less_low), move(less_high));
-
-    if (type == ShfType::Bits32) {
-        // On 32 bit shifts we are either full (shifting 32) or shifting less than 32 bits
-        return Operation(OperationCode::Select, IsFull(move(shift)), move(low), move(less));
-    }
-
-    // And these when it's larger than or 32
-    Node reduced = Operation(OperationCode::IAdd, shift, Immediate(-32));
-    Node greater = Shift(OperationCode::ILogicalShiftLeft, move(low), move(reduced));
-
-    Node is_less = Operation(OperationCode::LogicalILessThan, shift, Immediate(32));
-    Node is_zero = Operation(OperationCode::LogicalIEqual, move(shift), Immediate(0));
-
-    Node value = Operation(OperationCode::Select, move(is_less), move(less), move(greater));
-    return Operation(OperationCode::Select, move(is_zero), move(high), move(value));
-}
-
-} // Anonymous namespace
-
-u32 ShaderIR::DecodeShift(NodeBlock& bb, u32 pc) {
-    const Instruction instr = {program_code[pc]};
-    const auto opcode = OpCode::Decode(instr);
-
-    Node op_a = GetRegister(instr.gpr8);
-    Node op_b = [this, instr] {
-        if (instr.is_b_imm) {
-            return Immediate(instr.alu.GetSignedImm20_20());
-        } else if (instr.is_b_gpr) {
-            return GetRegister(instr.gpr20);
-        } else {
-            return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
-        }
-    }();
-
-    switch (const auto opid = opcode->get().GetId(); opid) {
-    case OpCode::Id::SHR_C:
-    case OpCode::Id::SHR_R:
-    case OpCode::Id::SHR_IMM: {
-        op_b = instr.shr.wrap ? WrapShift(move(op_b)) : ClampShift(move(op_b));
-
-        Node value = SignedOperation(OperationCode::IArithmeticShiftRight, instr.shift.is_signed,
-                                     move(op_a), move(op_b));
-        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
-        SetRegister(bb, instr.gpr0, move(value));
-        break;
-    }
-    case OpCode::Id::SHL_C:
-    case OpCode::Id::SHL_R:
-    case OpCode::Id::SHL_IMM: {
-        Node value = Operation(OperationCode::ILogicalShiftLeft, op_a, op_b);
-        SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
-        SetRegister(bb, instr.gpr0, move(value));
-        break;
-    }
-    case OpCode::Id::SHF_RIGHT_R:
-    case OpCode::Id::SHF_RIGHT_IMM:
-    case OpCode::Id::SHF_LEFT_R:
-    case OpCode::Id::SHF_LEFT_IMM: {
-        UNIMPLEMENTED_IF(instr.generates_cc);
-        UNIMPLEMENTED_IF_MSG(instr.shf.xmode != ShfXmode::None, "xmode={}",
-                             instr.shf.xmode.Value());
-
-        if (instr.is_b_imm) {
-            op_b = Immediate(static_cast<u32>(instr.shf.immediate));
-        }
-        const s32 size = instr.shf.type == ShfType::Bits32 ? 32 : 64;
-        Node shift = instr.shf.wrap ? WrapShift(move(op_b), size) : ClampShift(move(op_b), size);
-
-        Node negated_shift = Operation(OperationCode::INegate, shift);
-        Node low_shift = Operation(OperationCode::IAdd, move(negated_shift), Immediate(32));
-
-        const bool is_right = opid == OpCode::Id::SHF_RIGHT_R || opid == OpCode::Id::SHF_RIGHT_IMM;
-        Node value = (is_right ? ShiftRight : ShiftLeft)(
-            move(op_a), GetRegister(instr.gpr39), move(shift), move(low_shift), instr.shf.type);
-
-        SetRegister(bb, instr.gpr0, move(value));
-        break;
-    }
-    default:
-        UNIMPLEMENTED_MSG("Unhandled shift instruction: {}", opcode->get().GetName());
-    }
-
-    return pc;
-}
-
-} // namespace VideoCommon::Shader