mirror of https://github.com/yuzu-mirror/yuzu
shader: Implement POPC
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cc55d28949
commit
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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namespace {
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void POPC(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
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union {
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u64 raw;
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BitField<0, 8, IR::Reg> dest_reg;
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BitField<40, 1, u64> tilde;
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} const popc{insn};
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const IR::U32 operand = popc.tilde == 0 ? src : v.ir.BitwiseNot(src);
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const IR::U32 result = v.ir.BitCount(operand);
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v.X(popc.dest_reg, result);
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}
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} // Anonymous namespace
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void TranslatorVisitor::POPC_reg(u64 insn) {
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POPC(*this, insn, GetReg20(insn));
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}
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void TranslatorVisitor::POPC_cbuf(u64 insn) {
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POPC(*this, insn, GetCbuf(insn));
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}
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void TranslatorVisitor::POPC_imm(u64 insn) {
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POPC(*this, insn, GetImm20(insn));
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}
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} // namespace Shader::Maxwell
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