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[shader_recompiler/Maxwell] Implement ISBERD shift operation

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SDK Chan 2025-07-29 18:04:16 +00:00 • committed by crueter
parent e4953d5866
commit 4eb1d9106f
1 changed files with 13 additions and 1 deletions
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14
src/shader_recompiler/frontend/maxwell/translate/impl/internal_stage_buffer_entry_read.cpp
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@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -46,7 +49,16 @@ void TranslatorVisitor::ISBERD(u64 insn) {
throw NotImplementedException("Mode {}", isberd.mode.Value());
}
if (isberd.shift != Shift::Default) {
throw NotImplementedException("Shift {}", isberd.shift.Value());
IR::U32 result{};
switch (static_cast<u64>(isberd.shift.Value())) {
case static_cast<u64>(Shift::U16):
result = ir.ShiftLeftLogical(result, static_cast<IR::U32>(ir.Imm16(1)));
break;
case static_cast<u64>(Shift::B32):
result = ir.ShiftLeftLogical(result, ir.Imm32(1));
break;
}
X(isberd.dest_reg, result);
}
//LOG_DEBUG(Shader, "(STUBBED) called {}", insn);
if (isberd.src_reg_num == 0xFF) {