51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include "common/assert.h"
|
|
#include "shader_recompiler/frontend/instruction.h"
|
|
|
|
namespace Shader::Gcn {
|
|
|
|
u32 GcnInst::BranchTarget(u32 pc) const {
|
|
const s16 simm = static_cast<s16>(control.sopp.simm * 4);
|
|
const u32 target = pc + simm + 4;
|
|
return target;
|
|
}
|
|
|
|
bool GcnInst::IsTerminateInstruction() const {
|
|
return IsUnconditionalBranch() || IsConditionalBranch() || IsFork() ||
|
|
opcode == Opcode::S_ENDPGM;
|
|
}
|
|
|
|
bool GcnInst::IsUnconditionalBranch() const {
|
|
return opcode == Opcode::S_BRANCH;
|
|
}
|
|
|
|
bool GcnInst::IsFork() const {
|
|
return opcode == Opcode::S_CBRANCH_I_FORK || opcode == Opcode::S_CBRANCH_G_FORK ||
|
|
opcode == Opcode::S_CBRANCH_JOIN;
|
|
}
|
|
|
|
bool GcnInst::IsConditionalBranch() const {
|
|
switch (opcode) {
|
|
case Opcode::S_CBRANCH_SCC0:
|
|
case Opcode::S_CBRANCH_SCC1:
|
|
case Opcode::S_CBRANCH_VCCZ:
|
|
case Opcode::S_CBRANCH_VCCNZ:
|
|
case Opcode::S_CBRANCH_EXECZ:
|
|
case Opcode::S_CBRANCH_EXECNZ:
|
|
return true;
|
|
case Opcode::S_CBRANCH_CDBGSYS:
|
|
case Opcode::S_CBRANCH_CDBGUSER:
|
|
case Opcode::S_CBRANCH_CDBGSYS_OR_USER:
|
|
case Opcode::S_CBRANCH_CDBGSYS_AND_USER:
|
|
UNIMPLEMENTED();
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace Shader::Gcn
|