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Fix ff1_i32_b64 not accepting vcc as its argument

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This commit is contained in:
Marcin Mikołajczyk 2025-07-15 19:07:05 +01:00
parent b68ca43166
commit 16e471f92d
1 changed files with 13 additions and 3 deletions
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16
src/shader_recompiler/frontend/translate/scalar_alu.cpp
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@ -1,6 +1,7 @@
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <magic_enum/magic_enum.hpp>
#include "common/assert.h"
#include "shader_recompiler/frontend/translate/translate.h"
@ -680,9 +681,18 @@ void Translator::S_FF1_I32_B32(const GcnInst& inst) {
}
void Translator::S_FF1_I32_B64(const GcnInst& inst) {
ASSERT(inst.src[0].field == OperandField::ScalarGPR);
const IR::U32 result{
ir.BallotFindLsb(ir.Ballot(ir.GetThreadBitScalarReg(IR::ScalarReg(inst.src[0].code))))};
const auto src = [&] {
switch (inst.src[0].field) {
case OperandField::ScalarGPR:
return ir.GetThreadBitScalarReg(IR::ScalarReg(inst.src[0].code));
case OperandField::VccLo:
return ir.GetVcc();
default:
UNREACHABLE_MSG("unhandled operand type {}", magic_enum::enum_name(inst.src[0].field));
}
}();
const IR::U32 result{ir.BallotFindLsb(ir.Ballot(src))};
SetDst(inst.dst[0], result);
}