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shader: Implement POPC

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This commit is contained in:
ameerj 2021-02-26 21:41:46 -05:00
parent cc55d28949
commit a8c41c50d3
8 changed files with 59 additions and 12 deletions
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36
src/shader_recompiler/frontend/maxwell/translate/impl/integer_popcount.cpp Normal file
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@ -0,0 +1,36 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void POPC(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<40, 1, u64> tilde;
} const popc{insn};
const IR::U32 operand = popc.tilde == 0 ? src : v.ir.BitwiseNot(src);
const IR::U32 result = v.ir.BitCount(operand);
v.X(popc.dest_reg, result);
}
} // Anonymous namespace
void TranslatorVisitor::POPC_reg(u64 insn) {
POPC(*this, insn, GetReg20(insn));
}
void TranslatorVisitor::POPC_cbuf(u64 insn) {
POPC(*this, insn, GetCbuf(insn));
}
void TranslatorVisitor::POPC_imm(u64 insn) {
POPC(*this, insn, GetImm20(insn));
}
} // namespace Shader::Maxwell

12
src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
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@ -653,18 +653,6 @@ void TranslatorVisitor::PLONGJMP(u64) {
ThrowNotImplemented(Opcode::PLONGJMP);
}
void TranslatorVisitor::POPC_reg(u64) {
ThrowNotImplemented(Opcode::POPC_reg);
}
void TranslatorVisitor::POPC_cbuf(u64) {
ThrowNotImplemented(Opcode::POPC_cbuf);
}
void TranslatorVisitor::POPC_imm(u64) {
ThrowNotImplemented(Opcode::POPC_imm);
}
void TranslatorVisitor::PRET(u64) {
ThrowNotImplemented(Opcode::PRET);
}