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* basic impl * minor improvements * clang * more clang * improvements requested by squidbus
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/assert.h"
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#include "shader_recompiler/frontend/instruction.h"
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namespace Shader::Gcn {
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u32 GcnInst::BranchTarget(u32 pc) const {
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const s32 simm = static_cast<s32>(control.sopp.simm) * 4;
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const u32 target = pc + simm + 4;
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return target;
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}
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bool GcnInst::IsTerminateInstruction() const {
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return IsUnconditionalBranch() || IsConditionalBranch() || IsFork() ||
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opcode == Opcode::S_ENDPGM;
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}
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bool GcnInst::IsUnconditionalBranch() const {
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return opcode == Opcode::S_BRANCH || opcode == Opcode::S_SETPC_B64;
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}
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bool GcnInst::IsFork() const {
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return opcode == Opcode::S_CBRANCH_I_FORK || opcode == Opcode::S_CBRANCH_G_FORK ||
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opcode == Opcode::S_CBRANCH_JOIN;
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}
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bool GcnInst::IsConditionalBranch() const {
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switch (opcode) {
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case Opcode::S_CBRANCH_SCC0:
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case Opcode::S_CBRANCH_SCC1:
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case Opcode::S_CBRANCH_VCCZ:
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case Opcode::S_CBRANCH_VCCNZ:
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case Opcode::S_CBRANCH_EXECZ:
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case Opcode::S_CBRANCH_EXECNZ:
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return true;
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case Opcode::S_CBRANCH_CDBGSYS:
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case Opcode::S_CBRANCH_CDBGUSER:
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case Opcode::S_CBRANCH_CDBGSYS_OR_USER:
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case Opcode::S_CBRANCH_CDBGSYS_AND_USER:
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UNIMPLEMENTED();
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return true;
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default:
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break;
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}
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return false;
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}
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bool GcnInst::IsCmpx() const {
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if ((opcode >= Opcode::V_CMPX_F_F32 && opcode <= Opcode::V_CMPX_T_F32) ||
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(opcode >= Opcode::V_CMPX_F_F64 && opcode <= Opcode::V_CMPX_T_F64) ||
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(opcode >= Opcode::V_CMPSX_F_F32 && opcode <= Opcode::V_CMPSX_T_F32) ||
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(opcode >= Opcode::V_CMPSX_F_F64 && opcode <= Opcode::V_CMPSX_T_F64) ||
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(opcode >= Opcode::V_CMPX_F_I32 && opcode <= Opcode::V_CMPX_CLASS_F32) ||
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(opcode >= Opcode::V_CMPX_F_I64 && opcode <= Opcode::V_CMPX_CLASS_F64) ||
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(opcode >= Opcode::V_CMPX_F_U32 && opcode <= Opcode::V_CMPX_T_U32) ||
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(opcode >= Opcode::V_CMPX_F_U64 && opcode <= Opcode::V_CMPX_T_U64)) {
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return true;
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}
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return false;
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}
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} // namespace Shader::Gcn
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