suyu/src/shader_recompiler/frontend/maxwell/translate/impl/floating_point_range_reduction.cpp
2021-07-22 21:51:22 -04:00

41 lines
1,012 B
C++

// 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 {
enum class Mode : u64 {
SINCOS,
EX2,
};
void RRO(TranslatorVisitor& v, u64 insn, const IR::F32& src) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<39, 1, Mode> mode;
BitField<45, 1, u64> neg;
BitField<49, 1, u64> abs;
} const rro{insn};
v.F(rro.dest_reg, v.ir.FPAbsNeg(src, rro.abs != 0, rro.neg != 0));
}
} // Anonymous namespace
void TranslatorVisitor::RRO_reg(u64 insn) {
RRO(*this, insn, GetFloatReg20(insn));
}
void TranslatorVisitor::RRO_cbuf(u64 insn) {
RRO(*this, insn, GetFloatCbuf(insn));
}
void TranslatorVisitor::RRO_imm(u64) {
throw NotImplementedException("RRO (imm)");
}
} // namespace Shader::Maxwell