eden/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
Morph 2b87305d31 general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

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1.4 KiB
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void ICMP(TranslatorVisitor& v, u64 insn, const IR::U32& src_a, const IR::U32& operand) {
union {
u64 insn;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_reg;
BitField<48, 1, u64> is_signed;
BitField<49, 3, CompareOp> compare_op;
} const icmp{insn};
const IR::U32 zero{v.ir.Imm32(0)};
const bool is_signed{icmp.is_signed != 0};
const IR::U1 cmp_result{IntegerCompare(v.ir, operand, zero, icmp.compare_op, is_signed)};
const IR::U32 src_reg{v.X(icmp.src_reg)};
const IR::U32 result{v.ir.Select(cmp_result, src_reg, src_a)};
v.X(icmp.dest_reg, result);
}
} // Anonymous namespace
void TranslatorVisitor::ICMP_reg(u64 insn) {
ICMP(*this, insn, GetReg20(insn), GetReg39(insn));
}
void TranslatorVisitor::ICMP_rc(u64 insn) {
ICMP(*this, insn, GetReg39(insn), GetCbuf(insn));
}
void TranslatorVisitor::ICMP_cr(u64 insn) {
ICMP(*this, insn, GetCbuf(insn), GetReg39(insn));
}
void TranslatorVisitor::ICMP_imm(u64 insn) {
ICMP(*this, insn, GetImm20(insn), GetReg39(insn));
}
} // namespace Shader::Maxwell